https://exeterastro.com/sky-calendar/2026-03-12T12:50:59+00:00weekly0.6https://exeterastro.com/2025/11/16/11-november-2025-geomagnetic-storm/https://exeterastro.com/wp-content/uploads/2025/11/jab0857.jpgA general all purpose profile.A general all purpose profile.https://exeterastro.com/wp-content/uploads/2025/11/jab0841.jpgA general all purpose profile.A general all purpose profile.https://exeterastro.com/wp-content/uploads/2025/11/jab0794.jpgA general all purpose profile.A general all purpose profile.https://exeterastro.com/wp-content/uploads/2025/11/jab0852.jpgA general all purpose profile.A general all purpose profile.https://exeterastro.com/wp-content/uploads/2025/11/img_1323.jpgIMG_1323https://exeterastro.com/wp-content/uploads/2025/11/img_1324.jpgIMG_1324https://exeterastro.com/wp-content/uploads/2025/11/img_1356.jpgIMG_1356https://exeterastro.com/wp-content/uploads/2025/11/img_1353.jpgIMG_1353https://exeterastro.com/wp-content/uploads/2025/11/img_1345.jpgIMG_1345https://exeterastro.com/wp-content/uploads/2025/11/img_1326.jpgIMG_13262025-11-16T14:01:44+00:00monthlyhttps://exeterastro.com/2025/03/21/march-2025-total-lunar-eclipse/https://exeterastro.com/wp-content/uploads/2025/03/img_9137.jpgIMG_9137https://exeterastro.com/wp-content/uploads/2025/03/img_9135.jpgIMG_9135https://exeterastro.com/wp-content/uploads/2025/03/20250314_totality_jab.jpg20250314_Totality_JABhttps://exeterastro.com/wp-content/uploads/2025/03/20250314-lunar-eclipse-series-jab.jpg20250314 Lunar Eclipse Series JAB2025-03-21T14:37:15+00:00monthlyhttps://exeterastro.com/2024/10/27/comet-c-2023-a3-tsuchinshan-atlas/https://exeterastro.com/wp-content/uploads/2024/10/lrgb-summed-ddped.jpgLRGB Summed DDPedhttps://exeterastro.com/wp-content/uploads/2024/10/median1.jpgc2023a3_c2023a3_https://exeterastro.com/wp-content/uploads/2024/10/jab1700.jpg_JAB1700https://exeterastro.com/wp-content/uploads/2024/10/c2023a3.jpgc2023A3https://exeterastro.com/wp-content/uploads/2024/10/jab1525-4.jpg_JAB1525-42024-10-27T16:07:13+00:00monthlyhttps://exeterastro.com/2024/10/11/10-11-october-2024-auroral-storm/https://exeterastro.com/wp-content/uploads/2024/10/jab1097.jpg_JAB1097https://exeterastro.com/wp-content/uploads/2024/10/jab1314.jpg_JAB1314https://exeterastro.com/wp-content/uploads/2024/10/jab1306.jpg_JAB1306https://exeterastro.com/wp-content/uploads/2024/10/jab_7791.jpgJAB_7791https://exeterastro.com/wp-content/uploads/2024/10/jab1328.jpg_JAB1328https://exeterastro.com/wp-content/uploads/2024/10/jab1081.jpg_JAB1081https://exeterastro.com/wp-content/uploads/2024/10/jab_7477-2.jpgJAB_7477-2https://exeterastro.com/wp-content/uploads/2024/10/jab_7698.jpgJAB_7698https://exeterastro.com/wp-content/uploads/2024/10/jab_7675.jpgJAB_7675https://exeterastro.com/wp-content/uploads/2024/10/jab1091.jpg_JAB10912024-10-11T15:22:09+00:00monthlyhttps://exeterastro.com/2024/05/13/11-may-2024-auroral-storm/https://exeterastro.com/wp-content/uploads/2024/05/jab1599.jpg_JAB1599https://exeterastro.com/wp-content/uploads/2024/05/jab1499.jpg_JAB1499https://exeterastro.com/wp-content/uploads/2024/05/jab1441.jpg_JAB1441https://exeterastro.com/wp-content/uploads/2024/05/jab1393.jpg_JAB1393https://exeterastro.com/wp-content/uploads/2024/05/group2.jpggroup2https://exeterastro.com/wp-content/uploads/2024/05/group1.jpggroup12024-05-13T22:49:02+00:00monthlyhttps://exeterastro.com/2024/04/17/2024-april-8-total-solar-eclipse-images/https://exeterastro.com/wp-content/uploads/2024/04/jab0929-2.jpgjab0929-2https://exeterastro.com/wp-content/uploads/2024/04/jab0848.jpgjab0848https://exeterastro.com/wp-content/uploads/2024/04/jab0998-1.jpgjab0998-1https://exeterastro.com/wp-content/uploads/2024/04/dr2_jab0984.jpgdr2_jab0984https://exeterastro.com/wp-content/uploads/2024/04/20240408_totality_radial_blur_jablackwell_v1.jpg20240408_totality_radial_blur_jablackwell_v12024-04-19T16:04:55+00:00monthlyhttps://exeterastro.com/2024/03/13/8-april-2024-total-solar-eclipse/2024-03-13T21:16:45+00:00monthlyhttps://exeterastro.com/gallery/https://exeterastro.com/wp-content/uploads/2024/03/barnard68-lrgb.jpgbarnard68-lrgbhttps://exeterastro.com/wp-content/uploads/2024/03/ic4628-lrgb.jpgIC4628IC4628https://exeterastro.com/wp-content/uploads/2024/03/m16-lrgb.jpgM16M16https://exeterastro.com/wp-content/uploads/2024/03/ngc6744_lrgb_ddp.jpgngc6744_lrgb_ddphttps://exeterastro.com/wp-content/uploads/2022/12/ngc-2070-hargb-small.jpgngc-2070-hargb-smallhttps://exeterastro.com/wp-content/uploads/2022/12/eta-carina-hargb-large.jpgeta-carina-hargb-largehttps://exeterastro.com/wp-content/uploads/2022/11/gum-29-lrgb.jpgGum 29Gum 29https://exeterastro.com/wp-content/uploads/2022/11/seagull-2-lrgb_v1-1.jpgSeagull-2Seagull-2https://exeterastro.com/wp-content/uploads/2022/11/seagull-2-lrgb_v1.jpgSeagull-2Seagull-22024-03-10T19:59:07+00:00weekly0.6https://exeterastro.com/2023/10/08/planning-2023-october-14-annular-solar-eclipse/2023-10-08T15:30:14+00:00monthlyhttps://exeterastro.com/2023/06/21/summer-and-time-for-a-cleaning/https://exeterastro.com/wp-content/uploads/2023/06/2023-06-21-10.16.11-2.jpg2023-06-21-10.16.11-2https://exeterastro.com/wp-content/uploads/2023/06/2023-06-21-10.16.11-1.jpg2023-06-21-10.16.11-1https://exeterastro.com/wp-content/uploads/2023/06/2023-06-21-10.14.45-1.jpg2023-06-21-10.14.45-1https://exeterastro.com/wp-content/uploads/2023/06/2023-06-21-10.09.20-1.jpg2023-06-21-10.09.20-12023-06-21T16:36:55+00:00monthlyhttps://exeterastro.com/2023/06/14/springtime-nova-v1716-sco/https://exeterastro.com/wp-content/uploads/2023/06/screenshot-2023-06-14-at-10.06.55-am.pngscreenshot-2023-06-14-at-10.06.55-am2023-06-14T14:13:38+00:00monthlyhttps://exeterastro.com/2023/06/13/supernova-in-m-101/https://exeterastro.com/wp-content/uploads/2023/06/sn-2023ixf-300sec-lum.jpgsn-2023ixf-300sec-lum2023-06-13T16:18:19+00:00monthlyhttps://exeterastro.com/2022/04/24/the-active-sun/2022-04-24T17:58:15+00:00monthlyhttps://exeterastro.com/2022/02/06/extrasolar-planet-transits-a-proof-of-concept/2022-02-06T20:47:36+00:00monthlyhttps://exeterastro.com/2021/06/10/10-june-2021-annular-solar-eclipse/2021-06-10T13:13:00+00:00monthlyhttps://exeterastro.com/2021/03/05/the-orion-nebula-star-forming-region-and-splendid-winter-target/https://exeterastro.com/wp-content/uploads/2021/03/screen-shot-2021-03-05-at-5.17.56-pm.pngScreen Shot 2021-03-05 at 5.17.56 PMhttps://exeterastro.com/wp-content/uploads/2021/03/jab_7218.jpgJAB_72182021-03-05T22:19:19+00:00monthlyhttps://exeterastro.com/2020/12/23/jupiter-saturn-conjunction-21st-december-2020/2020-12-23T16:09:46+00:00monthlyhttps://exeterastro.com/2020/11/28/telescope-buying-wonderful/2020-11-28T15:43:37+00:00monthlyhttps://exeterastro.com/2020/11/25/jupiter-and-saturns-big-month-together-2020-december/2020-11-25T12:55:47+00:00monthlyhttps://exeterastro.com/2020/10/18/ngc-6888-the-crescent-nebula/2020-10-18T16:09:18+00:00monthlyhttps://exeterastro.com/2020/07/11/comet-c-2020-f3-neowise-the-july-2020-surprise/https://exeterastro.com/wp-content/uploads/2020/07/jab_2888_edited1-1.jpgJAB_2888_edited1https://exeterastro.com/wp-content/uploads/2020/07/c2020f3neowise20200709_2-1.jpgC2020F3NEOWISE20200709_2https://exeterastro.com/wp-content/uploads/2020/07/c2020f3neowise20200709_1-1.jpgC2020F3NEOWISE20200709_1https://exeterastro.com/wp-content/uploads/2020/07/2020-07-09-03.55.52-1.jpg2020-07-09 03.55.52https://exeterastro.com/wp-content/uploads/2020/07/2020-07-09-03.52.27_widefield-1.jpg2020-07-09 03.52.27_widefieldhttps://exeterastro.com/wp-content/uploads/2020/07/2020-07-09-03.52.27_edit-1.jpg2020-07-09 03.52.27_edithttps://exeterastro.com/wp-content/uploads/2020/07/jab_2888_edited1.jpgJAB_2888_edited1https://exeterastro.com/wp-content/uploads/2020/07/c2020f3neowise20200709_2.jpgC2020F3NEOWISE20200709_2https://exeterastro.com/wp-content/uploads/2020/07/c2020f3neowise20200709_1.jpgC2020F3NEOWISE20200709_1https://exeterastro.com/wp-content/uploads/2020/07/2020-07-09-03.55.52.jpg2020-07-09 03.55.522020-07-11T18:54:53+00:00monthlyhttps://exeterastro.com/2020/03/28/spring-is-a-time-for-galaxies/https://exeterastro.com/wp-content/uploads/2020/03/m87_annotated.jpgM87_AnnotatedM-87 Annotated Region: Click to see in larger format.https://exeterastro.com/wp-content/uploads/2020/03/3c_273-0001_l_annotated.jpg3C_273https://exeterastro.com/wp-content/uploads/2020/03/3c_273-0001_l.jpg3C_2733C_273: one of the brighter nearby quasars in Virgo, this object holds the record for most distant object yet seen by the 0.7m telescope. It resides some 2.4 billion light years! As it is so luminous, it is not a difficult object to image, even with small telescopes, but is it fun to note that we are seeing such ancient light from the immediate surroundings of a black hole 2.4 billion light-years away! https://exeterastro.com/wp-content/uploads/2020/03/m87-details-20200327.jpgM87-details-20200327M-87 detail showing the relativistic jet. https://exeterastro.com/wp-content/uploads/2020/03/m87-20200327.jpgM87-20200327Wide field view of M-87 and surrounding galactic neighbors.https://exeterastro.com/wp-content/uploads/2020/03/m105-20200327.jpgM-105A galaxy trio: M-105, NGC 3384 and NGC 3389., all about 35 million light-years distant.https://exeterastro.com/wp-content/uploads/2020/03/m96-20200327.jpgM-96M-96, a spiral galaxy in Leo some 31 million light-years away.https://exeterastro.com/wp-content/uploads/2020/03/m95-20200327.jpgm95-20200327Spiral galaxy M-95. This is about 33 million light-years away and was discovered by Pierre Méchain in 1781.https://exeterastro.com/wp-content/uploads/2020/03/ngx3628_20200327.jpgngx3628_20200327NGC 3628, an edge on spiral galaxy in Leo about 3 million light-years away.https://exeterastro.com/wp-content/uploads/2020/03/m65-20200327.jpgM65-20200327M-65. A spiral galaxy 35 million light-years away. Part of the Leo Triplet with M-66 and NGC 3628.2020-03-28T19:41:35+00:00monthlyhttps://exeterastro.com/2020/02/23/first-light-for-the-0-7m/https://exeterastro.com/wp-content/uploads/2020/02/rgb.pngrgbThe Orion Nebula, M-42, a star birth region about 1300 light-years away. This can be seen with binoculars and small telescopes easily. It was almost too bright for our CCD imager! https://exeterastro.com/wp-content/uploads/2020/02/m82.jpgm82M-82, the Cigar Galaxy, a starburst galaxy about 12 million light-years distant. https://exeterastro.com/wp-content/uploads/2020/02/m81.jpgm81M-81, Bode's Galaxy, about 12 million light-years away. This resides very close to M-82. https://exeterastro.com/wp-content/uploads/2020/02/m1.jpgm1This is the Crab Nebula, M-1 in Taurus. This is a supernova remnant from a star that exploded back in 1054 A.D. https://exeterastro.com/wp-content/uploads/2020/02/screenshot-2020-02-08-21.16.05.pngScreenshot 2020-02-08 21.16.05The bright star betelgeuse just slightly out of focus. The focuser didn't have enough travel to bring the camera to the needed distance away from the scope. Time to order a part! 2020-02-23T15:52:49+00:00monthlyhttps://exeterastro.com/2020/02/18/telescope-installation/https://exeterastro.com/wp-content/uploads/2020/02/20.jpg20Brian, Matt and John: three happy and very tired telescope installers. https://exeterastro.com/wp-content/uploads/2020/02/19.jpg19The primary instrument will be an FLI CCD imager with a 10-place filter wheel, seen here at focal port #1.https://exeterastro.com/wp-content/uploads/2020/02/18.jpg18Those same wires, this time a view from the base of the telescope mount. Within the mount are USB hubs, power supplies, and encoder systems. All must be wired correctly to allow proper control and to prevent twisting as the telescope moves in azimuth.https://exeterastro.com/wp-content/uploads/2020/02/17.jpg17The many wires routed from the telescope's interior, to the control box and to the control room computer. https://exeterastro.com/wp-content/uploads/2020/02/16.jpg16Using a laser mounted onto one of the two Nasmyth focal points, Matt begins initial collimation of the three mirrors. The corrected Dall-Kirkham optical design uses an elliptical primary, a spherical secondary and a flat tertiary mirror. https://exeterastro.com/wp-content/uploads/2020/02/15.jpg15The many components within the control box.https://exeterastro.com/wp-content/uploads/2020/02/14.jpg14Next to install was the telescope's control system which feeds power, reads encoders and sends commands back and forth through a neat intranet system.https://exeterastro.com/wp-content/uploads/2020/02/13-e1582061582899.jpg13The secondary mirror arrives in place and is bolted to the telescope.https://exeterastro.com/wp-content/uploads/2020/02/12.jpg12Now it was time to repeat this whole process with the secondary mirror cage and assembly.https://exeterastro.com/wp-content/uploads/2020/02/11-e1582061460509.jpg11The telescope's mount holes aligned perfectly with the pier bolts. Everyone breathed a sigh of relief at the exact moment when the scope landed onto the levelling bolts. 2020-02-18T21:42:58+00:00monthlyhttps://exeterastro.com/2020/02/03/the-0-70m-imaging-train/https://exeterastro.com/wp-content/uploads/2020/02/2020-02-03-11.43.23-1.jpg2020-02-03 11.43.23-1The color filters in their packaging, ready to be installed.https://exeterastro.com/wp-content/uploads/2020/02/2020-02-03-10.54.00.jpg2020-02-03 10.54.00Equipment at the ready: it's time to install the filters.https://exeterastro.com/wp-content/uploads/2020/02/2020-01-22-14.36.07.jpg2020-01-22 14.36.07The FLI CFW-3-10 filter wheel ready to accept filters and the CCD imager. https://exeterastro.com/wp-content/uploads/2020/02/2020-01-22-14.02.03.jpg2020-01-22 14.02.03FLI CCD Imager right out of the box. 2020-02-03T20:56:04+00:00monthlyhttps://exeterastro.com/2020/01/18/a-wide-field-orion-taking-on-taurus/https://exeterastro.com/wp-content/uploads/2020/01/20200118_orion_median_titles.jpg20200118_Orion_Median_titleshttps://exeterastro.com/wp-content/uploads/2020/01/20200118_orion_median.jpg20200118_Orion_MedianOrion and Taurus Wide Field 2020-01-182020-01-19T20:02:21+00:00monthlyhttps://exeterastro.com/2020/01/15/betelgeuse-is-fading/https://exeterastro.com/wp-content/uploads/2020/01/screenshot-2020-01-15-09.55.04.pngScreenshot 2020-01-15 09.55.04Orion with Betelgeuse as it would appear at 9:00pm from mid-northern latitudes tonight (January 15)https://exeterastro.com/wp-content/uploads/2020/01/screenshot-2020-01-15-09.04.10.pngScreenshot 2020-01-15 09.04.10AAVSO V filter light curve of Betelgeuse2020-01-15T15:00:00+00:00monthlyhttps://exeterastro.com/2019/12/27/the-dome-works/https://exeterastro.com/wp-content/uploads/2019/12/2019-12-24-12.43.55.jpg2019-12-24 12.43.55All three of the observatory's domes visible for comparison. https://exeterastro.com/wp-content/uploads/2019/12/2019-12-24-11.49.09.jpg2019-12-24 11.49.09Exterior view with the lower shutter open and the dome rotated to point north. https://exeterastro.com/wp-content/uploads/2019/12/2019-12-24-11.32.42.jpg2019-12-24 11.32.42A wide angle look at the dome interior with the lower shutter open. 2019-12-27T16:02:40+00:00monthlyhttps://exeterastro.com/2019/12/21/there-is-a-roof-and-a-dome/https://exeterastro.com/wp-content/uploads/2019/12/2019-12-21-12.04.43.jpg2019-12-21 12.04.43Roof is complete. Dome is complete. Door has been installed. https://exeterastro.com/wp-content/uploads/2019/12/2019-12-16-08.13.13.jpg2019-12-16 08.13.13https://exeterastro.com/wp-content/uploads/2019/12/2019-12-16-07.43.49-hdr.jpg2019-12-16 07.43.49 HDRhttps://exeterastro.com/wp-content/uploads/2019/12/2019-12-06-13.11.28.jpg2019-12-06 13.11.28https://exeterastro.com/wp-content/uploads/2019/12/2019-12-06-13.10.59.jpg2019-12-06 13.10.59https://exeterastro.com/wp-content/uploads/2019/12/2019-12-06-13.10.50.jpg2019-12-06 13.10.50https://exeterastro.com/wp-content/uploads/2019/12/2019-11-23-13.33.56.jpg2019-11-23 13.33.56https://exeterastro.com/wp-content/uploads/2019/12/2019-11-23-13.33.37.jpg2019-11-23 13.33.372019-12-21T19:57:39+00:00monthlyhttps://exeterastro.com/2019/12/03/2019-geminid-meteor-shower/https://exeterastro.com/wp-content/uploads/2019/12/screenshot-2019-12-03-13.53.16.pngScreenshot 2019-12-03 13.53.162019-12-03T18:56:01+00:00monthlyhttps://exeterastro.com/2019/11/17/the-structure-takes-shape/https://exeterastro.com/wp-content/uploads/2019/11/img_6287.jpgIMG_6287Another view from the roof. Where is that dome? Here it is! It's the bundle of materials on the pallet. Some assembly is required. The black mats are covering what will be the walkway to the building. https://exeterastro.com/wp-content/uploads/2019/11/img_6286.jpgIMG_6286A view of the dome base framework now in place and the pier below. Imagine a large telescope on the pier with a 16' dome surrounding it. https://exeterastro.com/wp-content/uploads/2019/11/img_6281.jpgIMG_6281The entrance to the observatory. Note the walls inside have yet to receive their plywood, and the floor needs to have concrete poured. https://exeterastro.com/wp-content/uploads/2019/11/img_6292.jpgIMG_6292The four walls are up, and the roof's lower layers have been installed. There is also a ring for the dome. https://exeterastro.com/wp-content/uploads/2019/11/img_6269.jpgIMG_6269Work on the wall frames continues. Soon after this they will be sheathed with plywood.https://exeterastro.com/wp-content/uploads/2019/11/img_6266.jpgIMG_6266The corners of the building have been placed and the first wall frame goes up. 2019-11-17T21:12:09+00:00monthlyhttps://exeterastro.com/2019/11/10/now-that-is-a-pier/https://exeterastro.com/wp-content/uploads/2019/11/img_6237.jpgIMG_6237https://exeterastro.com/wp-content/uploads/2019/11/img_6236.jpgIMG_6236https://exeterastro.com/wp-content/uploads/2019/11/img_6235.jpgIMG_62352019-11-10T13:34:34+00:00monthlyhttps://exeterastro.com/2019/10/31/the-pier-is-poured/https://exeterastro.com/wp-content/uploads/2019/10/img_6192.jpgIMG_6192A view of the building's site with the framework around the Sonotube for the pier. https://exeterastro.com/wp-content/uploads/2019/10/img_6199.jpgIMG_6199A closeup of the pier near the completion of the pour. https://exeterastro.com/wp-content/uploads/2019/10/img_6195.jpgIMG_6195A wide field view of the site.2019-10-31T21:52:58+00:00monthlyhttps://exeterastro.com/2019/10/24/0-7m-telescope-observatory-construction-begins/https://exeterastro.com/wp-content/uploads/2019/10/img_6088.jpgIMG_6088The initial concrete pour which took place today. The central region is the base for the telescope pier. The surrounding is the base for the building's foundation. https://exeterastro.com/wp-content/uploads/2019/10/img_6046.jpgIMG_6046The gravel base for the concrete has been laid here. Looking closely you can see the inset region in the gravel where the pier for the telescope will rest. https://exeterastro.com/wp-content/uploads/2019/10/img_5994.jpgIMG_5994The boundaries of the structure have been posted here with wooden stakes. The ground is being prepped to dig for the base level foundation.https://exeterastro.com/wp-content/uploads/2019/10/img_2945.jpgIMG_2945https://exeterastro.com/wp-content/uploads/2019/10/screenshot-2019-10-24-11.36.21.pngScreenshot 2019-10-24 11.36.21Artists Impression of the 0.7m Telescope Dome.2019-10-24T15:57:14+00:00monthlyhttps://exeterastro.com/2019/08/01/the-perseid-meteor-shower-has-arrived/2019-08-01T11:28:35+00:00monthlyhttps://exeterastro.com/2019/01/02/then-and-now-astrophotography-on-the-simple-side/https://exeterastro.com/wp-content/uploads/2019/01/m42.jpgm422019-01-02T14:33:22+00:00monthlyhttps://exeterastro.com/2018/12/08/comet-46p-wirtanen/2018-12-08T19:24:08+00:00monthlyhttps://exeterastro.com/2018/11/29/20-21-january-2019-total-lunar-eclipse/2018-11-29T14:11:14+00:00monthlyhttps://exeterastro.com/2018/11/14/the-annual-leonid-meteor-shower-is-upon-us/https://exeterastro.com/wp-content/uploads/2018/11/screenshot-2018-11-14-07-12-31.pngScreenshot 2018-11-14 07.12.312018-11-14T12:16:34+00:00monthlyhttps://exeterastro.com/2018/11/12/a-new-and-potentially-bright-comet/2018-11-12T17:30:40+00:00monthlyhttps://exeterastro.com/2018/10/27/a-winter-comet-46p-wirtanen/https://exeterastro.com/wp-content/uploads/2018/10/screenshot-2018-10-27-12-35-40.pngscreenshot-2018-10-27-12-35-40Looking south of 16 December. (click to enlarge)https://exeterastro.com/wp-content/uploads/2018/10/screenshot-2018-10-27-12-34-43.pngscreenshot-2018-10-27-12-34-43Comet 46P/Wirtanen throughout December 2018. (click to enlarge)2018-10-29T17:42:44+00:00monthlyhttps://exeterastro.com/2018/10/20/the-orionid-meteor-shower-2018/https://exeterastro.com/wp-content/uploads/2018/10/orionids_2018.jpgOrionids_2018The sky as it will appear in the early hours of the morning looking southeast. The Orionid radiant: red circle. 2018-10-20T11:35:14+00:00monthlyhttps://exeterastro.com/2018/08/09/the-annual-perseid-meteor-shower/2018-08-09T16:54:06+00:00monthlyhttps://exeterastro.com/2018/06/14/a-meeting-of-the-moon-and-venus/https://exeterastro.com/wp-content/uploads/2018/06/screenshot-2018-06-13-15-28-40.pngScreenshot 2018-06-13 15.28.40Venus and the Moon June 16th 2018 looking west after sunset.2018-06-14T19:12:28+00:00monthlyhttps://exeterastro.com/2018/03/11/spring-the-time-for-planets-theyre-back/https://exeterastro.com/wp-content/uploads/2018/03/screenshot-2018-03-11-11-57-39.pngScreenshot 2018-03-11 11.57.39Jupiter, Mars, Saturn and the Moon visible at about 5:30am looking southeast on March 12th 2018.https://exeterastro.com/wp-content/uploads/2018/03/screenshot-2018-03-11-10-15-48.pngScreenshot 2018-03-11 10.15.48March 18th 2018 looking west right after sunset.2018-03-11T16:00:24+00:00monthlyhttps://exeterastro.com/about/https://exeterastro.com/wp-content/uploads/2012/02/jblackwell_domes.jpgJohn Blackwell2018-02-18T16:10:02+00:00weekly0.6https://exeterastro.com/weather/2018-02-17T19:12:01+00:00weekly0.6https://exeterastro.com/2017/08/30/hdr-of-eclipse-totality/https://exeterastro.com/wp-content/uploads/2017/08/2018-08-21_eclipse_jblackwell_c.jpg2018-08-21_Eclipse_JBlackwell_CHDR of the 21 August 2017 solar eclipse.2017-08-30T21:31:53+00:00monthlyhttps://exeterastro.com/2017/08/23/totality-from-casper-wyoming/https://exeterastro.com/wp-content/uploads/2017/08/4.jpg4The diamond ring as the eclipse reaches totality. https://exeterastro.com/wp-content/uploads/2017/08/3.jpg3Partial stage as the eclipse begins. There are a few sunspot groups to see there. https://exeterastro.com/wp-content/uploads/2017/08/2.jpg2Totality: The inner corona. Note the fain, pink solar prominences on the right limb. https://exeterastro.com/wp-content/uploads/2017/08/1.jpg1Totality: This is the mid-corona using a longer exposure to show the fainter regions.2017-08-24T11:46:32+00:00monthlyhttps://exeterastro.com/2017/08/19/a-casper-saturday-people-arrive/2017-08-20T00:34:45+00:00monthlyhttps://exeterastro.com/2017/08/19/arrived-casper-wyoming/2017-08-19T14:21:06+00:00monthlyhttps://exeterastro.com/2017/03/11/eclipse-photography-some-notes-for-the-august-event/2017-03-16T17:47:57+00:00monthlyhttps://exeterastro.com/2017/02/16/sdss-boss-plate-6192/https://exeterastro.com/wp-content/uploads/2017/02/screenshot-2017-02-14-15-50-12.pngscreenshot-2017-02-14-15-50-12https://exeterastro.com/wp-content/uploads/2017/02/screenshot-2017-02-14-15-55-00.pngscreenshot-2017-02-14-15-55-00https://exeterastro.com/wp-content/uploads/2017/02/img_5352.jpgimg_5352https://exeterastro.com/wp-content/uploads/2017/02/img_5303.jpgimg_5303https://exeterastro.com/wp-content/uploads/2017/02/fullsizerender-2.jpgfullsizerender-2https://exeterastro.com/wp-content/uploads/2017/02/fullsizerender-1.jpgfullsizerender-12017-02-16T18:32:49+00:00monthlyhttps://exeterastro.com/2017/02/11/10-february-2017-penumbral-lunar-eclipse/https://exeterastro.com/wp-content/uploads/2017/02/moondogs.jpgmoondogshttps://exeterastro.com/wp-content/uploads/2017/02/eclipse.jpgeclipse2017-02-12T15:37:44+00:00monthlyhttps://exeterastro.com/2016/12/18/magnetometer-testing-installation-and-software-operational/https://exeterastro.com/wp-content/uploads/2016/12/20161215.png20161215Geomagnetic activity from our magnetometer for 2016-December-15, a rather quiet day. 2016-12-19T16:34:05+00:00monthlyhttps://exeterastro.com/2016/10/15/magnetometer-testing-geomagnetic-storm-detected/https://exeterastro.com/wp-content/uploads/2016/10/screenshot-2016-10-15-11-42-35.pngscreenshot-2016-10-15-11-42-35https://exeterastro.com/wp-content/uploads/2016/10/screenshot-2016-10-15-11-34-09.pngscreenshot-2016-10-15-11-34-09https://exeterastro.com/wp-content/uploads/2016/10/screenshot-2016-10-15-11-28-56.pngscreenshot-2016-10-15-11-28-562016-10-15T15:44:38+00:00monthlyhttps://exeterastro.com/2016/09/06/summertime-time-for-repairs-and-maintenance/https://exeterastro.com/wp-content/uploads/2016/09/img_4429.jpgAltair being imaged at perfect focusAltair being imaged at perfect focus. Success! https://exeterastro.com/wp-content/uploads/2016/09/img_4255.jpgElectronic Controller for Focuser AssemblyElectronic Controller for Focuser Assembly. This unit controls heaters, fans, focus position and more. https://exeterastro.com/wp-content/uploads/2016/09/img_4254.jpgFocuser AssemblyFocuser Assemblyhttps://exeterastro.com/wp-content/uploads/2016/09/img_4252.jpgFocuser AssemblyFocuser Assemblyhttps://exeterastro.com/wp-content/uploads/2016/09/img_4251.jpgFocuser AssemblyFocuser Assembly: The secondary mirror is in the black housing inside the telescopes truss tubing.2016-09-06T12:40:33+00:00monthlyhttps://exeterastro.com/2016/08/11/summer-activity/https://exeterastro.com/wp-content/uploads/2016/08/milkywaynight2.jpgMilkyWayNight2As seen from Cerro Tololo, Chile. This is a 30 second exposure of the Milky Way through a fisheye lens. One could easily walk around via starlight. No flashlight required! 2016-08-11T14:32:51+00:00monthlyhttps://exeterastro.com/2016/05/18/magnetometer-build-status/https://exeterastro.com/wp-content/uploads/2016/05/2016-05-18-11-15-26.jpgInitial testing of the logging softwareInitial testing of the logging softwarehttps://exeterastro.com/wp-content/uploads/2016/05/2016-05-18-11-15-17.jpgFirst time operations with all SensorsFirst time operations with all three sensorshttps://exeterastro.com/wp-content/uploads/2016/05/2016-05-18-10-17-07.jpgFinal Tests then a New CaseFinal Tests then a New Casehttps://exeterastro.com/wp-content/uploads/2016/05/2016-02-02-10-52-10.jpgFirst BootThis is the first boot of the system! Success! https://exeterastro.com/wp-content/uploads/2016/05/2016-01-29-17-17-26.jpgAssembledThe boards and keyboard attached for testinghttps://exeterastro.com/wp-content/uploads/2016/05/2016-01-29-10-06-22.jpgThe display boardThe display boardhttps://exeterastro.com/wp-content/uploads/2016/05/2016-01-29-09-54-51.jpgThe completed main boardThe completed main board2016-05-18T15:33:40+00:00monthlyhttps://exeterastro.com/2016/05/10/9-may-2016-mercury-transit/https://exeterastro.com/wp-content/uploads/2016/05/heliostat_selfie.jpgheliostat_selfieThe heliostat in use. This is also a unique selfie opportunity.https://exeterastro.com/wp-content/uploads/2016/05/16inch_workjing_end.jpg16inch_workjing_endThe working end of the 16" SCT with the D7000 attached for prime focus work.https://exeterastro.com/wp-content/uploads/2016/05/9may2016_0803est.jpg9May2016_0803EST9 May Transit of Mercury seen through the 16" SCT. A Nikon D7000 was used to snap this image which shows the small round dot of Mercury along with two sunspot groups.2016-05-10T15:57:26+00:00monthlyhttps://exeterastro.com/2016/03/26/mercury-transit-9-may-2016/2016-03-26T18:09:36+00:00monthlyhttps://exeterastro.com/2016/02/16/gravitational-waves/2016-02-16T17:10:40+00:00monthlyhttps://exeterastro.com/2016/02/14/echelle-spectrograph-up-and-running/https://exeterastro.com/wp-content/uploads/2016/02/sol2.jpgH AplhaH Aplhahttps://exeterastro.com/wp-content/uploads/2016/02/thar.jpgThArThArhttps://exeterastro.com/wp-content/uploads/2016/02/sol1.jpgsol1sol1https://exeterastro.com/wp-content/uploads/2016/02/sol_eshel_2016-02-13.jpgsol_eshel_2016-02-13sol_eshel_2016-02-132016-02-14T18:33:21+00:00monthlyhttps://exeterastro.com/2016/01/27/magnetometer-in-the-making/https://exeterastro.com/wp-content/uploads/2016/01/6-2016-01-26-11-43-51.jpg6-2016-01-26 11.43.51Resistors and capacitors in place along with voltage regulators. Here we are ready to apply power for the first time to see if the boards voltages are within tolerances.https://exeterastro.com/wp-content/uploads/2016/01/5-2016-01-22-13-13-45.jpg5-2016-01-22 13.13.45Resistors and capacitors in place.https://exeterastro.com/wp-content/uploads/2016/01/4-2016-01-21-16-46-57.jpg4-2016-01-21 16.46.57Soldering the resistors onto the board. Next will come the capacitors and other parts.https://exeterastro.com/wp-content/uploads/2016/01/3-2016-01-19-16-50-08.jpg3-2016-01-19 16.50.08This is the primary user interface: a keyboard of 4 buttons. These are the only surface mount items to worry about.https://exeterastro.com/wp-content/uploads/2016/01/2-2016-01-19-13-33-37.jpg2-2016-01-19 13.33.37This is the primary user interface: a keyboard of 4 buttons. These are the only surface mount items to worry about.https://exeterastro.com/wp-content/uploads/2016/01/1-2016-01-14-13-05-50.jpg1-2016-01-14 13.05.50Parts and pieces! This will be the magnetometer when it is all put together!2016-01-27T14:44:38+00:00monthlyhttps://exeterastro.com/2015/12/07/daytime-occultation-of-venus-7-december-2015/https://exeterastro.com/wp-content/uploads/2015/12/124351.jpg124351124351https://exeterastro.com/wp-content/uploads/2015/12/124340.jpg124340124340https://exeterastro.com/wp-content/uploads/2015/12/124306.jpg124306124306https://exeterastro.com/wp-content/uploads/2015/12/124028.jpg124028124028https://exeterastro.com/wp-content/uploads/2015/12/123559.jpg123559123559https://exeterastro.com/wp-content/uploads/2015/12/110651.jpg1106511106512015-12-24T15:31:34+00:00monthlyhttps://exeterastro.com/2015/09/30/lunar-eclipse-wows-all/https://exeterastro.com/wp-content/uploads/2015/09/stripped-into-layers-flattened.jpgSept 27 2015 Lunar Eclipse SeriesSept 27 2015 Lunar Eclipse Serieshttps://exeterastro.com/wp-content/uploads/2015/09/eclipse-sequence.jpgeclipse-sequence Sept 27 2015Eclipse-sequence Sept 27 2015https://exeterastro.com/wp-content/uploads/2015/09/series2.jpgWide Field Series 2Wide field series with deeper exposures.https://exeterastro.com/wp-content/uploads/2015/09/series.jpgEclipse series 1Wide field series of images of the eclipse.https://exeterastro.com/wp-content/uploads/2015/09/widefog.jpgFields and Fog with Full MoonFields and Fog with Full Moon2015-09-30T17:31:05+00:00monthlyhttps://exeterastro.com/2015/09/19/asteroids/https://exeterastro.com/wp-content/uploads/2015/09/00783-s001-r001-c001-v.gif00783-S001-R001-C001-VMinor Planet 783 Nora2015-09-19T17:33:46+00:00monthlyhttps://exeterastro.com/2015/09/09/planning-ahead-the-september-2728-lunar-eclipse/https://exeterastro.com/wp-content/uploads/2015/09/screen-shot-2015-09-09-at-3-52-47-pm.pngScreen Shot 2015-09-09 at 3.52.47 PM2015-09-09T19:58:52+00:00monthlyhttps://exeterastro.com/2015/09/06/the-observatorys-summer-activities/2015-09-06T12:54:11+00:00monthlyhttps://exeterastro.com/2015/08/18/new-visual-telescope-for-the-observatory/https://exeterastro.com/wp-content/uploads/2015/08/img_2190.jpg16" newly installedThe new 16" telescope just after installation with Dr. Ward and Dr. Adams.https://exeterastro.com/wp-content/uploads/2015/08/scope-first-light-081615.jpg16" Scope first lightOn the evening of the 16" first light. We were able to enjoy nice views of M-16, M-13, M-57 and more. 2015-08-18T15:41:21+00:00monthlyhttps://exeterastro.com/2015/08/09/time-for-meteors/2015-08-09T14:34:00+00:00monthlyhttps://exeterastro.com/2015/06/26/eagle-nebula-in-h-alpha/https://exeterastro.com/wp-content/uploads/2015/06/eagle_062415.jpgEagle_0624152015-06-26T20:18:54+00:00monthlyhttps://exeterastro.com/2015/06/26/exeter-astronomy-conference-2015/https://exeterastro.com/wp-content/uploads/2015/06/img_1400.jpgAttendees 2015Left to right, back row: Ben Moss, Peter Pitman, Brad Vietje, Joseph Acker, Tom Rutherford, John Blackwell, James Dickens. Front row: Joseph Putko, David Temple, Wendy Curtis, Faith Tucker, Miranda Heller, Maureen Adams, Anisha Vinod.2015-06-26T17:12:32+00:00monthlyhttps://exeterastro.com/2015/06/26/m57-rgb-color/https://exeterastro.com/wp-content/uploads/2015/06/m57_rgb_sigma_clip_stack.jpgM57_RGB_Sigma_Clip_Stack2015-06-26T17:06:02+00:00monthlyhttps://exeterastro.com/2015/06/14/june-30th-2015-jupiter-and-venus-conjunction/2015-06-14T14:48:18+00:00monthlyhttps://exeterastro.com/2015/03/18/some-aurora-from-exeter/https://exeterastro.com/wp-content/uploads/2015/03/aurora_031715d.jpgaurora_031715dAurora March 17, 2015https://exeterastro.com/wp-content/uploads/2015/03/aurora_031715c.jpgaurora_031715cAurora March 17, 2015https://exeterastro.com/wp-content/uploads/2015/03/aurora_031715b.jpgaurora_031715bAurora March 17, 2015https://exeterastro.com/wp-content/uploads/2015/03/aurora_031715a.jpgaurora_031715aAurora March 17, 20152015-03-18T12:41:29+00:00monthlyhttps://exeterastro.com/2014/12/12/geminids-are-here/2014-12-12T23:10:06+00:00monthlyhttps://exeterastro.com/2014/09/20/a-clear-night-and-the-veil/https://exeterastro.com/wp-content/uploads/2014/09/veil32min_ha.jpgveil32min_haClick for full view.2014-09-20T13:16:17+00:00monthlyhttps://exeterastro.com/2014/08/25/comet-2014-e2-jacques/https://exeterastro.com/wp-content/uploads/2014/08/jacques-082514.jpgComet 2014 E2 JacquesComet 2014 E2 Jacques2014-08-25T15:55:43+00:00monthlyhttps://exeterastro.com/2014/08/20/when-planets-conjunct-part-2-a-430am-session/2014-08-20T14:12:54+00:00monthlyhttps://exeterastro.com/2014/08/17/when-planets-conjunct/https://exeterastro.com/wp-content/uploads/2014/08/jupitervenus2.jpgjupitervenus2https://exeterastro.com/wp-content/uploads/2014/08/jupitervenus1.jpgjupitervenus12014-08-17T14:26:35+00:00monthlyhttps://exeterastro.com/2014/07/01/a-night-in-sagittarius/https://exeterastro.com/wp-content/uploads/2014/07/m-17_combined_ha_processed.jpgm-17_combined_Ha_processed2014-07-01T13:58:47+00:00monthlyhttps://exeterastro.com/2014/04/02/lunar-eclipse-time/https://exeterastro.com/wp-content/uploads/2014/04/lunar_eclipse.jpgLunar Eclipse 21 February 2008https://exeterastro.com/wp-content/uploads/2014/04/lunar_eclipse_2013-oct-18.jpgLunar_Eclipse_2013-Oct-182014-04-15T13:34:48+00:00monthlyhttps://exeterastro.com/2014/03/22/cosmology-takes-a-leap-forward/2014-03-22T15:44:57+00:00monthlyhttps://exeterastro.com/2014/03/14/aurora-in-iceland/https://exeterastro.com/wp-content/uploads/2014/03/glacial-panorama-21.jpgGlacial-Panorama-2https://exeterastro.com/wp-content/uploads/2014/03/aurora-iceland-march-9-20141.jpgaurora-iceland-March-9-2014https://exeterastro.com/wp-content/uploads/2014/03/aurora-iceland-march-9-2014-41.jpgaurora-iceland-March-9-2014-4https://exeterastro.com/wp-content/uploads/2014/03/aurora-iceland-march-9-2014-31.jpgaurora-iceland-March-9-2014-3https://exeterastro.com/wp-content/uploads/2014/03/aurora-iceland-march-9-2014-22.jpgaurora-iceland-March-9-2014-2https://exeterastro.com/wp-content/uploads/2014/03/glacial-panorama-2.jpgGlacial-Panorama-2.jpghttps://exeterastro.com/wp-content/uploads/2014/03/aurora-iceland-march-9-2014.jpgaurora-iceland-March-9-2014.jpghttps://exeterastro.com/wp-content/uploads/2014/03/aurora-iceland-march-9-2014-4.jpgaurora-iceland-March-9-2014-4.jpghttps://exeterastro.com/wp-content/uploads/2014/03/aurora-iceland-march-9-2014-3.jpgaurora-iceland-March-9-2014-3.jpghttps://exeterastro.com/wp-content/uploads/2014/03/aurora-iceland-march-9-2014-21.jpgaurora-iceland-March-9-2014-2.jpg2014-03-14T16:14:08+00:00monthlyhttps://exeterastro.com/2014/01/23/supernova-psn-j095542146940260-in-m-82/https://exeterastro.com/wp-content/uploads/2014/01/jblackwellm82sntypeiajan2014.jpgPSN J09554214+69402602014-01-23T13:26:07+00:00monthlyhttps://exeterastro.com/2013/11/02/solar-eclipse-november-3rd-2013/2013-11-02T13:29:14+00:00monthlyhttps://exeterastro.com/2013/08/17/nova-del-2013/https://exeterastro.com/wp-content/uploads/2013/08/screen-shot-2013-08-16-at-10-47-51-pm.pngNova H-ahttps://exeterastro.com/wp-content/uploads/2013/08/nova2013del081713.jpgnova2013del0817132013-08-17T14:02:03+00:00monthlyhttps://exeterastro.com/2013/08/15/possible-nova-in-delphinus/https://exeterastro.com/wp-content/uploads/2013/08/d19845.pngd19845https://exeterastro.com/wp-content/uploads/2013/08/nova_delphinus_2013-08-15.jpgnova_delphinus_2013-08-152013-08-15T13:56:50+00:00monthlyhttps://exeterastro.com/2013/07/19/a-week-in-review-nitarp-2013/2013-07-19T21:02:00+00:00monthlyhttps://exeterastro.com/2013/06/21/june-2013-exeter-astronomy-education-conference/2013-06-21T13:51:39+00:00monthlyhttps://exeterastro.com/2013/04/27/may-annular-eclipse/2013-04-27T14:28:42+00:00monthlyhttps://exeterastro.com/2013/04/27/eta-aquarid-meteor-shower/2013-04-27T11:59:29+00:00monthlyhttps://exeterastro.com/2013/03/15/comet-panstarrs-at-last/https://exeterastro.com/wp-content/uploads/2013/03/panstarrs_march-13-2013_jblackwell.jpgPanSTARRS_March-13-2013_JBlackwellhttps://exeterastro.com/wp-content/uploads/2013/03/panstarrs_widefield_march-13-2013_jblackwell.jpgPanSTARRS_widefield_March-13-2013_JBlackwellhttps://exeterastro.com/wp-content/uploads/2013/03/sunset_march_9_2013.jpgsunset_March_9_20132013-03-15T13:11:56+00:00monthlyhttps://exeterastro.com/2013/02/17/of-comets-and-asteroids-and-meteorites/2013-02-17T17:51:18+00:00monthlyhttps://exeterastro.com/2013/01/02/announcement-2013-exeter-astronomy-teaching-conference/2013-01-02T12:44:31+00:00monthlyhttps://exeterastro.com/2012/12/15/some-geminids/https://exeterastro.com/wp-content/uploads/2012/12/geminids2012.jpgGeminids 2012A Geminid meteor streaks across the sky over Exeter, New Hampshire. Nikon D7000, 30s, f/2.8 at 10.5mm2012-12-15T19:02:21+00:00monthlyhttps://exeterastro.com/2012/11/17/a-visit-to-a-remote-observatory/https://exeterastro.com/wp-content/uploads/2012/11/m27-2012-11-10-lrgb.jpgM-27An LRGB Color composite at 5min each filter. 2012-11-17T17:39:56+00:00monthlyhttps://exeterastro.com/2012/10/17/a-shakin-night-at-the-domes/2012-10-17T12:47:51+00:00monthlyhttps://exeterastro.com/2012/08/11/new-england-fall-astronomy-festival/2012-08-11T15:42:37+00:00monthlyhttps://exeterastro.com/2012/05/29/transit-observing-plan/2012-06-01T21:34:32+00:00monthlyhttps://exeterastro.com/2012/05/12/a-word-of-observing-caution/2012-05-31T16:32:17+00:00monthlyhttps://exeterastro.com/2012/05/19/venus-nearing-transit/https://exeterastro.com/wp-content/uploads/2012/05/venus1.jpgvenus 18 May 20122012-05-19T13:09:12+00:00monthlyhttps://exeterastro.com/2012/04/29/drizzling-an-image-processers-dream-come-true/https://exeterastro.com/wp-content/uploads/2012/04/saturn1.jpgSaturnhttps://exeterastro.com/wp-content/uploads/2012/04/moon1.jpgmoon12012-04-29T20:53:40+00:00monthlyhttps://exeterastro.com/2012/04/14/saturn-at-opposition/https://exeterastro.com/wp-content/uploads/2012/04/positional_astronomy.gifPositional_astronomy2012-04-14T22:49:16+00:00monthlyhttps://exeterastro.com/2012/03/21/a-comet-2009-p1-garradd/https://exeterastro.com/wp-content/uploads/2012/03/garradd-20120321.jpggarradd-201203212012-03-22T01:33:04+00:00monthlyhttps://exeterastro.com/2012/03/10/the-all-sky-camera-is-alive/https://exeterastro.com/wp-content/uploads/2012/03/2012-03-09.jpg2012-03-092012-03-10T14:28:42+00:00monthlyhttps://exeterastro.com/2012/03/08/tracking-aurora/2012-03-08T13:03:29+00:00monthlyhttps://exeterastro.com/2012/03/01/driving-intellectual-curiosity-through-the-roof/2012-03-01T15:47:52+00:00monthlyhttps://exeterastro.com/2012/02/20/videos-for-education/2012-02-20T19:31:40+00:00monthlyhttps://exeterastro.com/2012/02/18/dome-operations/2012-02-18T16:11:55+00:00monthlyhttps://exeterastro.com/2012/02/17/a-twitter-feed/2012-02-17T20:04:50+00:00monthlyhttps://exeterastro.com/2012/02/16/what-is-a-typical-observing-night-like-here-at-the-academy/https://exeterastro.com/wp-content/uploads/2012/02/observingmoon.jpgObserving the Moon2012-02-16T20:14:37+00:00monthlyhttps://exeterastro.com/2012/02/15/welcome-to-exeterastro/2012-02-16T01:29:41+00:00monthlyhttps://exeterastro.com/2012/02/15/test/2012-02-16T01:18:59+00:00monthlyhttps://exeterastro.comdaily1.02026-03-12T12:50:59+00:00