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Origin starfield with the Pinwheel Galaxy Messier 33.
Constellation Triangulum
Classic Reference: Burnham's Celestial Handbook, Robert Burnham, Jr., Volume Three, Dover Publications Inc., New York, 1978, pp. 1894-1903.
2 Trianguli
Variable double star in Triangulum (Tri)
2 Trianguli is the Flamsteed designation - also known by the following identifiers:
- α Trianguli (Bayer designation)
- HD 11443 (Henry Draper catalogue)
- SAO 74996 (Smithsonian Astrophysical Observatory catalogue)
- BD+28 312 (Bonner Durchmusterung catalogue)
- HIP 8796 (Hipparcos Satellite catalogue)
- TYC 1763-3028-1 (Tycho catalogue)
Selected data (main star):
- Visual Magnitude 3.42
- Absolute Magnitude 1.83
- Spectral Type F6IV, subgiant
- Color Index (B-V) 0.49
- Temperature 6520K
- Distance 63.3 ly
Objects I found in this field of view.
- Galaxy AGC 114061
- Galaxy LCSB S305.
- Galaxies LEDA 1865535, 1874779
- Galaxy UGC 1359
Logbook
Date & Time: October 23, 2025, 11:42 pm
Location: Kempt Shore, Nova Scotia, 45°N
Sky & Temperature: Clear, calm, 12°C
Sunset: 6:18 pm
Moonset: 6:52 pm
Moon Phase: Waxing crescent (6%)
Technical: 1-hour integration, 10-sec exposures, line power, no filter, direct wifi, no post-processing
3 Trianguli
Variable double star in Triangulum (Tri)
3 Trianguli is the Flamsteed designation - also known by the following identifiers:
- ε Trianguli (Bayer designation)
- HD 12471 (Henry Draper catalogue)
- SAO 55218 (Smithsonian Astrophysical Observatory catalogue)
- BD+32 369 (Bonner Durchmusterung catalogue)
- HIP 9570 (Hipparcos Satellite catalogue)
- TYC 2312-2432-1 (Tycho catalogue)
Selected data (main star):
- Visual Magnitude 5.51
- Absolute Magnitude -0.09
- Spectral Type A2V, main-sequence
- Color Index (B-V) 0.04
- Temperature 9000K
- Distance 390 ly
- Variable Type: Eruptive
- Magnitude Range: 5.50 to unknown
- Period: Unknown
Objects I found in this field of view.
- Galaxies UGC 1503, 1540
Logbook
Date & Time: October 25, 2025, 10:24 pm
Location: Kempt Shore, Nova Scotia, 45°N
Sky & Temperature: Clear, calm, 8°C
Sunset: 6:15 pm
Moonset: 8:07 pm
Moon Phase: Waxing crescent (16%)
Technical: 1-hour integration, 10-sec exposures, line power, no filter, direct wifi, no post-processing
4 Trianguli
Variable double star in Triangulum (Tri)
4 Trianguli is the Flamsteed designation - also known by the following identifiers:
- β Trianguli (Bayer designation)
- HD 13161 (Henry Draper catalogue)
- SAO 55306 (Smithsonian Astrophysical Observatory catalogue)
- BD+34 381 (Bonner Durchmusterung catalogue)
- HIP 10064 (Hipparcos Satellite catalogue)
- TYC 2317-1647-1 (Tycho catalogue)
Selected data (main star):
- Visual Magnitude 3.01
- Absolute Magnitude -0.09
- Spectral Type A5IV, subgiant
- Color Index (B-V) 0.16
- Temperature 8180K
- Distance 127 ly
- Variable Type: Eruptive
- Magnitude Range: 3.02 to unknown
- Period: Unknown
Objects I found in this field of view.
- Galaxy UGC 1639
- Galaxies LEDA 8267, & 8333
Logbook
Date & Time: October 25, 2025, 11:28 pm
Location: Kempt Shore, Nova Scotia, 45°N
Sky & Temperature: Clear, calm, 8°C
Sunset: 6:15 pm
Moonset: 8:07 pm
Moon Phase: Waxing crescent (16%)
Technical: 1-hour integration, 10-sec exposures, line power, no filter, direct wifi, no post-processing
5 Trianguli
Variable star in Triangulum (Tri)
5 Trianguli is the Flamsteed designation - also known by the following identifiers:
- HD 13372 (Henry Draper catalogue)
- SAO 55338 (Smithsonian Astrophysical Observatory catalogue)
- BD+30 347 (Bonner Durchmusterung catalogue)
- HIP 10220 (Hipparcos Satellite catalogue)
- TYC 2309-1661-1 (Tycho catalogue)
Selected data (main star):
- Visual Magnitude 6.23
- Absolute Magnitude 1.06
- Spectral Type A1m
- Color Index (B-V) 0.13
- Distance 350 ly
- Variable Type: Eruptive
- Magnitude Range: Unknown
- Period: Unknown
Objects I found in this field of view.
- Galaxy UGC 1682
- Galaxies LEDA 8348, 8426, & 74077
Logbook
Date & Time: October 26, 2025, 12:33 am
Location: Kempt Shore, Nova Scotia, 45°N
Sky & Temperature: Clear, calm, 6°C
Sunset: 6:15 pm (October 25)
Moonset: 8:07 pm (October 25)
Moon Phase: Waxing crescent (16%)
Technical: 1-hour integration, 10-sec exposures, line power, no filter, direct wifi, no post-processing