27 Aug 2006 TIMPA, Avra Valley, AZ (map)
28cm f/10 SCT Gypsy
Large! Bright!! loose and sparse open cluster of a few dozen stars, members stars are quite obvious as they are much brighter than the general Milky Way background, about ½° in diameter, distribution of the member stars seems fairly random in nature
15 Nov 1998 Las Cienegas NCA, Sonoita, AZ (map)
20cm f/10 SCT
A surprise! a large (30') and loose cluster of bright stars across the field.
3 Jan 1760
Cluster of stars near the tail of the Swan; one can see them with an ordinary telescope of 3.5 feet.
Rev. T.W. Webb
Grand open cluster
9 objects found within 120'
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.