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Origin starfield with the Horsehead Nebula (Barnard 33).
Constellation Orion
Classic Reference: Burnham's Celestial Handbook, Robert Burnham, Jr., Volume Two, Dover Publications Inc., New York, 1978, pp. 1271-1345.
1 Orionis
Variable double star in Orion (Ori)
1 Orionis is the Flamsteed designation - also known by the following identifiers:
- Tabit (Proper Name)
- π^3 Orionis (Bayer designation)
- HD 30652 (Henry Draper catalogue)
- SAO 112106 (Smithsonian Astrophysical Observatory catalogue)
- BD+06 762 (Bonner Durchmusterung catalogue)
- HIP 22449 (Hipparcos Satellite catalogue)
- TYC 0096-1462-1 (Tycho catalogue)
Selected data (main star):
- Visual Magnitude 3.19
- Absolute Magnitude 3.51
- Spectral Type F6V, main-sequence
- Color Index (B-V) 0.47
- Temperature 6520K
- Distance 26.3 ly
- Variable Type: Eruptive
- Magnitude Range: 3.15-3.21
- Period: Unknown
Objects I found in this field of view.
- Galaxy UGC 3187
- Galaxy LEDA 16174
- Galaxy GAIA DR3 3288958725463681920
- Galaxy GGAIA DR3 3288946493396912768
- Galaxy GAIA DR3 3288927251943379328
- Galaxy GAIA DR3 3288974152985323776
- DFJ Origin-1 (Barred spiral galaxy? 04h 50m 41.56s, +07° 18' 49.0")
Logbook
Date & Time: October 24, 2025, 12:48 am
Location: Kempt Shore, Nova Scotia, 45°N
Sky & Temperature: Clear, calm, 12°C
Moonset: 6:52 pm
Sunset: 6:18 pm
Sunrise: 7:45 am (October 24)
Moon Phase: Waxing crescent (6%)
Technical: 1-hour integration, 10-sec exposures, line power, no filter, direct wifi, no post-processing
2 Orionis
Star in Orion (Ori)
2 Orionis is the Flamsteed designation - also known by the following identifiers:
- π^2 Orionis (Bayer designation)
- HD 30739 (Henry Draper catalogue)
- SAO 112124 (Smithsonian Astrophysical Observatory catalogue)
- BD+08 777 (Bonner Durchmusterung catalogue)
- HIP 22509 (Hipparcos Satellite catalogue)
- TYC 0683-1217-1 (Tycho catalogue)
Selected data (main star):
- Visual Magnitude 4.36
- Absolute Magnitude -0.08
- Spectral Type A1Vn, main-sequence
- Color Index (B-V) 0.01
- Temperature 9400K
- Distance 224 ly
Objects I found in this field of view.
- Galaxies UGC 3180 & 3188
- Galaxy 2MFGC 3942
Logbook
Date & Time: October 24, 2025, 1:54 am
Location: Kempt Shore, Nova Scotia, 45°N
Sky & Temperature: Clear, calm, 11°C
Moonset: 6:52 pm
Sunset: 6:18 pm
Sunrise: 7:45 am (October 24)
Moon Phase: Waxing crescent (6%)
Technical: 1-hour integration, 10-sec exposures, line power, no filter, direct wifi, no post-processing