Alpha Ori
DSS image of Alpha Ori
Digitized Sky Survey image of Alpha Ori, 15' x 15' with north at top and west to the right

DSS image of Alpha Ori
Overlaid DSS image of Alpha Ori, 15' x 15' with north at top and west to the right
Betelgeuse
58 Ori, BD+7 1055, HD 39801, HIP 27989, SAO 113271

Type  Variable Star
Magnitude  0.4 (avg.)
Size  
RA (2000)  5h 55' 10.3"
Dec (2000)  7° 24' 25" N
Constellation  Orion

Observing Notes

Andrew Cooper
5 Jan 2008 Pu'u Kuainiho, HI (map)
28cm f/10 SCT, NexStar 11" Gypsy @ 80x

Bright coppery color, the hue quite notable with a little defocus, no apparent companions

Steve Coe

Period Irr; 0.4-1.3m; Betelgeuse
Other Data Sources for Alpha Ori
Nearby objects for Alpha Ori
5 objects found within 120'
Cr74 B36 Alpha Ori
Berkeley 22 NGC2143
Acknowledgements and Credits...

Drawings, descriptions and CCD photos are copyright Andrew Cooper unless otherwise noted, no usage without permission. Use for non-profit and educational reasons is generally given on request.

Positional and some physical information is from the NASA/IPAC Extragalactic Database (NED) which is operated by the Jet Propulsion Laboratory, California Institute of Technology, under contract with the National Aeronautics and Space Administration.

Additional object data from the SIMBAD database, operated at CDS, Strasbourg, France.

The Digitized Sky Survey was produced at the Space Telescope Science Institute under U.S. Government grant NAG W-2166. The images of these surveys are based on photographic data obtained using the Oschin Schmidt Telescope on Palomar Mountain and the UK Schmidt Telescope.

Dark nebulae data from E.E. Barnard, A Photographic Atlas of Selected Regions of the Milky Way. Ed. Edwin B. Frost and Mary R. Calvert. Carnegie Institution of Washington, 1927

Object descriptions of Rev. Webb from Celestial Objects for Common Telescopes sixth edition, Rev. T.W. Webb, 1917, edited by Rev T.E.Espin.