Feb 7, 2018 Waikoloa, HI (map)
20cm f/6 Newtonian, Cave Astrola @ 56x
A small round patch of nebula, brighter at the north side where it envelops two stars of 10th magnitude, small, round, distinct, bright
Nov 2, 2008 Hale Pohaku, HI (map)
12x36 Canon Image Stabilized Binoculars @ 12x
Modest in both size and brightness, small patch of nebula with a point source in the center, easy to find 2½° north and a bit east of δOri
Oct 22, 2006 TIMPA, Avra Valley, AZ (map)
12x36 Canon Image Stabilized Binoculars
Small, faint, a round hazy patch above Delta Ori, occupies an empty patch of sky in otherwise rich starfields
Sep 19, 1998 NASP, Chino Valley, AZ (map)
20cm f/10 SCT
Easily found, just a fuzzy area around two stars
Dec 17, 1780
Cluster of stars, with much nebulosity in Orion & on the same parallel as the star Delta in the belt, which has served to determine its position; the cluster follows the star on the hour wire at 3d 41', & the cluster is above the star by 27'7"". M. Méchain had seen this cluster at the beginning of 1780, & reported: ""On the left side of Orion; 2 to 3 minutes in diameter, one can see two fairly bright nuclei, surrounded by nebulosity""."
Rev. T.W. Webb
Hardwick, Herefordshire, England (map)
Singular 'wispy' nebula, easily found by sweeping 14m f δ, 20' n. Best defined n, E. of Rosse spiral? D'A., 6' or 7', enclosing pair, β, 9.5, 9.5: 201°.8: 50"".7. Sm., stars much smaller, '50, '56, '64. D'A., 9, 10, '55; 10, 10, '64. Fr., 11, 12, '79. β, n star double, 9, 11.5: 85°.3: 1"". h., 3rd star. D'A., var. 11-12? 4m p, 3' s is Σ782: 7.8, 8.3: 309°.4: 36"".2: w. Lick Photo not spiral, but with two other nebulous masses in field.
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.