Theta2 Orionis
Overlaid DSS image of Theta2 Orionis, 60' x 60' with north at top and west to the right
Aladin viewer for the region around Theta2 Orionis
θ2 Ori
WDS J05354-0525ABC
WDS J05354-0525ABC
| Type | Multiple Star |
|---|---|
| Magnitude | 6.4 | Right Ascension | 5h 35' 31.4" (2000) |
| Declination | 5° 25' 16" S |
| Constellation | Orion |
| Description | Ori neb cluster θ2OriA/B/C |
Observing Notes
Andrew Cooper
Dec 8, 2020 Waikoloa, HI (map)
20cm f/6 Newtonian, Cave Astrola @ 76x
Seeing: 6 Transparency: 7 Moon: 0%
A widely spaced group of stars just 2' southeast of the Trapezium and the heart of M42, θ2Ori A is the western star while θ2Ori B is found 1', with θ2Ori C 1' further east
Captain William Henry Smyth
Jan 26, 1834 No. 6 The Crescent, Bedford, England (map)
150mm f/17.6 refractor by Tully 1827
[From entry CCXVI for θ1 Ori...] θ2 Orionis, which is 133" from θ1 , on an angle = 135°, is coarsely double, of the 6th and 7th magnitudes. At the epoch above named, viz. 1834.07, the components measured 91°.5 as the angle of position, and 52" for the distance.― A Cycle of Celestial Objects Vol II, The Bedford Catalogue, William Henry Smyth, 1844
Other Data Sources for Theta2 Orionis
Associated objects for Theta2 Orionis
| Messier 42 | Theta1 Orionis A | Theta1 Orionis B |
| Theta1 Orionis C | Theta1 Orionis D | Theta1 Orionis E |
| Theta1 Orionis F | Theta2 Orionis A | Theta2 Orionis B |
| Theta2 Orionis C | Trapezium |
Nearby objects for Theta2 Orionis
27 objects found within 60'
Credits...
Drawings, descriptions, and CCD photos are copyright Andrew Cooper unless otherwise noted, no usage without permission.
A complete list of credits and sources can be found on the about page
Theta2 Orionis