19 Apr 2012 Hale Pohaku, HI (map)
46cm f/4.5 Newtonian, Deep Violet @ 175x
Bright! Big! 10'x5' east-west, a bright stellar core highlighted by a dark void on the north side of the nucleus, beside the core and the void there are only traces of spiral structure
16 Apr 1999 Organ Pipe National Monument, AZ (map)
20cm f/10 SCT
Bright oval with some structure visible. Elongated along P.A. 130
1 Jan 1780
Nebula discovered in Coma Berenices, which is about half as apparent as that which is below the hair [M53]. M. Messier has reported its position on the Chart of the Comet of 1779. Observed again March 17, 1781."
Rev. T.W. Webb
Hardwick, Herefordshire, England (map)
94mm f/18 Tully Achromat
Magnificent large bright nebula blazing to a nucleus. h., resolvable, nucleus probably a double star, with a vacuity below it. E. of Rosse, circular shaped, with dark and light spot on one side, around which is a cluster of well-defined little stars. Rather faint in 3-7/10 in. L.P., spiral.
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.