Whereas there are lots of very red stars in the night sky (not many bright ones though) there are fewer very blue stars, that is stars with a big negative B-V index. The brightest very blue star in the night … Continue reading
WZ Cassiopeiae Star name: WZ Cassiopeiae Other names: Constellation: Cassiopeia Other ID: SAO 21002, HIP 99, HD 224855, B+59 2810, PPM 11856 Magnitude: 6.772 to 7.215 Absolute magnitude: -2.7 +/- 1.0 Luminosity, Sun = 1: 980 +/- … Continue reading
UU Aurigae Star name: UU Aurigae Other names: Constellation: Auriga Other ID: SAO 59280, HD 46687, HIP 31579, HR 2405, BD+38 1539 Magnitude: 5.446 Absolute magnitude: -3.1 +/- 1.1 Luminosity, Sun = 1: 1400 +/- 1400 R.A. … Continue reading
RS Cygni Star name: RS Cygni Other names: Constellation: Cygnus Other ID: SAO 69636, HIP 99653, PPM 84477, HD 192443, B+38 3957 Magnitude: 7.1 to 8.5 Absolute magnitude: -0.77 +/- 0.92 Luminosity, Sun = 1: 170 +/- … Continue reading
SAO 12874 and SAO 12870 Star name: Other names: Constellation: Camelopardalis Other ID: SAO 12874, HIP 17296, HD 22649, B+62 597, PPM 14446 Magnitude: 5.05 Absolute magnitude: Luminosity, Sun = 1: R.A. 2000: 03hr 42min 09.325sec Dec … Continue reading
La Superba Star name: La Superba Other names: Y Canum Venaticorum Constellation: Canes Venatici Other ID: SAO 44317, HIP 62223, HD110914, HR4846, GC17342 Magnitude: 4.8 to 6.3 (variable over 160 days) Absolute magnitude: -7.63 Luminosity, Sun = … Continue reading
Mu Cephei Name: The Garnet star Other names: Herschel’s Garnet star Constellation: Cepheus Other ID: Erakis, HD206936, HR8316, SAO33693, HIP107259 Magnitude: 4.08 (variable) Absolute magnitude: -7.63 Luminosity, Sun = 1: 370,000 (possibly as much as 600,000, uncertain figure) … Continue reading
119 Tauri/CE Tauri Star name: CE Tauri Constellation: Taurus Other ID: 119 Tauri, SAO 94628, HIP25945, HD36389, B+18 875, HR1845, GC 6841 Magnitude: 4.32 Absolute magnitude: -4.38+/-0.31 Luminosity, Sun = 1: 44,000 (variable) R.A. 2000: 05hr … Continue reading
Rogelio Bernal Andreo is completely redefining amateur deep-sky imaging. I have shown Rogelio’s work before in the NFO prequel “Image of the Week” and I continue to be completely blown away by the beauty and extreme high quality of his work. Here … Continue reading
While I have been trying to tune up scope 1 and camera 1 on the mini-WASP array, I have not wasted good imaging time 🙂 During the tuning periods I was imaging the same region with the well-tuned scope 2 and camera … Continue reading
