Critical Mass Obsevations @criticalmassobserv.bsky.social · 10/10/2026The Ghost of Cassiopeia, an emission and reflection nebula in the constellation Cassiopeia, next to the bright variable star, Gamma Cassiopeiae. #Astrophotography 030
Critical Mass Obsevations @criticalmassobserv.bsky.social · 06/10/2026Jupiter and the Moon this morning. #Astrophotography 040
Critical Mass Obsevations @criticalmassobserv.bsky.social · 16/09/2026At 6.4 billion years of age, NGC 188 sits above our galaxy plane, embedded in the interstellar medium of the Northern sky. The North Star, Polaris can be seen just below the open cluster of stars. #Astrophotography 030
Critical Mass Obsevations @criticalmassobserv.bsky.social · 15/09/2026Some photos take a lot of long exposures to get right. However, this backyard shot has to be fast if you want to slow the wings of the hummingbird. 000
Critical Mass Obsevations @criticalmassobserv.bsky.social · 28/08/2026In case you missed last night’s partial, Lunar Eclipse. RedCat51 with an ASI2600MC. #Astronomy 010
Critical Mass Obsevations @criticalmassobserv.bsky.social · 06/07/2026Ground spectacles captured with a Nikon Z5, 20mm. 010
Critical Mass Obsevations @criticalmassobserv.bsky.social · 29/06/2026Abel 85 or the Garlic Nebula is a supernova remnant within the constellation of Cassiopeia. Around 9,780 light years away and about 10,000 years old, this is a challenging and rewarding backyard target. app.astrobin.com/i/to1gnd 010
Critical Mass Obsevations @criticalmassobserv.bsky.social · 24/05/2026At the center of the constellation Cygnus, there is more to naked eye. The Crescent Nebula noticeably sets itself in distinct view. app.astrobin.com/i/pjvado 000
Critical Mass Obsevations @criticalmassobserv.bsky.social · 20/05/2026The Spaghetti Nebula highlighted in Narrowband Hydrogen/Oxygen. RedCat51 / ASI2600MC. 32 hours of data. app.astrobin.com/i/5kdmxc 000
Critical Mass Obsevations @criticalmassobserv.bsky.social · 11/05/2026There is a lot more in open space than people expect. A widefield view of the NGC7023 Iris Nebula Region. FRA500 w/ ASI2600MC using no filter on some dark nights. Over 14 hours of data processed in Pixinsight. 000
Critical Mass Obsevations @criticalmassobserv.bsky.social · 11/05/2026NGC 7000, The North American Nebula, along with the Cygnus Wall and Pelican Nebula in this widefield view. RedCat51 with the ASI533MC 28 hours of data taken through a combination of UV/IR filters and Hydrogen/Oxygen at 3nm. 000
Critical Mass Obsevations @criticalmassobserv.bsky.social · 11/05/2026NGC 1909, The Witchhead Nebula 49 shots at 240 seconds with the Astronomic UVIR filter. ASI533MC / RedCat51 000
Critical Mass Obsevations @criticalmassobserv.bsky.social · 30/09/2025Discovered in 1702, the Globular Cluster, M5. Askar 500, AM5N, ASI2600MC-P 30 @ 120 sec Pixinsight app.astrobin.com/i/9zgn7d #Astrophotography #Astronomy 030
Critical Mass Obsevations @criticalmassobserv.bsky.social · 30/09/2025Veil Nebula, 2 Panel Mosaic Askar FRA500 @ f3.9 w, L-ultimate HO 2600 MC Pro/Air+/AM5N 258 x 300 Pixinsight Bottle 4 Full res; astrob.in/0lhpbh/0/ #Astrophotography #Astronomy 040
Critical Mass Obsevations @criticalmassobserv.bsky.social · 03/09/2025A 6-panel Mosaic in the SADr region. Captured with a RedCat51 and ASI533MC with the L-Ultimate filter. #Astrophotography 000
Critical Mass Obsevations @criticalmassobserv.bsky.social · 12/08/202520.5 hours of data collected on the Andromeda Galaxy RedCat51, 533MC Pro Ha-OIII 3nm, UV-IR Block Pixinsight 010
Critical Mass Obsevations @criticalmassobserv.bsky.social · 01/07/2025The Great Globular Cluster in Hercules, M13. Askar FRA500, 41 @ 120 sec Pixensight #Astrophotography 010
Critical Mass Obsevations @criticalmassobserv.bsky.social · 03/05/2025April 8, 2025 full solar eclipse. RedCat51 / ASI533MC-P Pixinsight 000
Critical Mass Obsevations @criticalmassobserv.bsky.social · 14/03/2025The Lunar Eclipse 3/14/25 Redcat 51 / ASI2600 MC-P 000
Critical Mass Obsevations @criticalmassobserv.bsky.social · 05/03/2025M104 - The Sombrero Galaxy ASKAR FRA500 ASI2600 MC-P Astronomic L-1, 54 x 300s #Astronomy 010
Critical Mass Obsevations @criticalmassobserv.bsky.social · 03/03/2025M45 Pleiades - The Seven Sisters, an open star cluster in Taurus, only 444 light-years away. Displayed under the new moon, the reflection nebula NGC1432. Askar FRA500 @ f/5 ASI2600 MC-P, EAF, CAA, 120mm, Air+, AM5N Astronomik L-1, 44 x 300s Pixinsight processed #Astrophotography 051
Critical Mass Obsevations @criticalmassobserv.bsky.social · 02/03/2025IC443 - The Jellyfish Nebula, a Supernova remnant. NGC2175 - The Monkey Head Nebula, an open cluster within a diffusion nebula. Capture data: FRA500 @ f/3.9 ASI 2600 MC-P, EAF, ASIAIR+, AM5N L-Ultimate, 123 x 300 sec. Antlia 3 nm SII, 65 x 300 sec. Processed in Pixinsight 020
Critical Mass Obsevations @criticalmassobserv.bsky.social · 01/03/2025NGC1499 - The California Nebula, an emission nebula located in the constellation Perseus. Capture data: Askar500 @ f/3.9 ASI2600 MC-P L-Ultimate, 89 x 300 sec Antlia SII 3nm, 90 x 300 sec Processed in Pixinsight 010
Critical Mass Obsevations @criticalmassobserv.bsky.social · 24/02/2025The Flaming Star Nebula and the Tadpole Nebula, located in the constellation of Auriga. Capture data: FRA500 ASI2600 MC Astronomic L-1, 45 x 240 sec L-Ultimate, 60 x 480 sec Pixinsight 020
Critical Mass Obsevations @criticalmassobserv.bsky.social · 23/02/2025NGC 2264, the Xmas tree cluster in HO. Askar 500 with ASI2600MC-P, L-Ult 101 x 180" 000
Critical Mass Obsevations @criticalmassobserv.bsky.social · 23/02/2025The great Orion Nebula M42 FRA500 ASI2600MC P, Air+, CAA, EAF, AM5N Astronomic L-1 75 x 1 sec 75 x 5 sec 74 x 20 sec 80 x 60s Pixinsight 000
Critical Mass Obsevations @criticalmassobserv.bsky.social · 23/02/2025IC434 and NGC 2024 RedCat51 and ASI533MC-P Astronomic L-1, 156 x 180s Optolong L-Ultimate, 164 x 240s Pixinsight 010