Type | Star |
---|---|
Magnitude | 6.87 | Right Ascension | 6h 26' 43.4" (2000) |
Declination | 0° 27' 15" N |
Constellation | Monoceros |
Classification | K0III |
Captain William Henry Smyth
Feb 21, 1833 No. 6 The Crescent, Bedford, England (map)
150mm f/17.6 refractor by Tully 1827
A coarsely triple star, between the boundary line of Orion and the Unicorn's chest; it is about 17° from Procyon, on a ray carried to the west-south-west through Orion's sword cluster and Rigel. A 7½, topaz yellow; B and C 8½, both of a plum tinge. B is most exquisitely double, Piazzi's No. 105, Hora VI., and 910 of the Dorpat Catalogue, where it was classed among the vicinissimæ. "When Struve first subjected it to measurement, under a power of 540, it was:Pos. 168° 48' Dist. 0".78 Ep. 1825.12On considering the great difficulty of an object which my best powers only elongated, these observations may be considered to correspond. Σ. afterwards added A to BC, under the following determinations, with magnifying power 320:
[WDS 151° 0".50 1991 ]
Pos. 150°.57 Dist. 66".15 Ep. 1831.68
[WDS 152° 66".00 2012 ]― A Cycle of Celestial Objects Vol II, The Bedford Catalogue, William Henry Smyth, 1844
77 Orionis | 78 Orionis | Collinder 91 |
HD 45067 | HD 45320 | HD 46487 |
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