Theta2 Orionis
DSS image of 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

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
Nearby objects for Theta2 Orionis

Drawings, descriptions, and CCD photos are copyright Andrew Cooper unless otherwise noted, no usage without permission.

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Theta2 Orionis