DSS image of Harvard20
Overlaid DSS image of Harvard20, 30' x 30' with north at top and west to the right

Aladin viewer for the region around Harvard20

Type  Open Cluster
Magnitude  7.7
Size  7'
Right Ascension  19h 53'  (2000)
Declination  18° 19' N
Constellation  Sagitta
Description  pL, lC, 29* 11...
Classification  III 2 p
Observing Notes

Andrew Cooper
Aug 19, 2017    Oregon Star Party, OR (map)
14.5" f/4.5 Starmaster @ 103x

A clump of stars in the same field as M71, about 25' south of the globular, about 5' across, elongated 2:1 NE-SW, fully resolved, a poorly detached group in heavy starfield
Other Data Sources for Harvard20
Nearby objects for Harvard20
4 objects found within 60'
9 Sagittae M71
Acknowledgements and Credits...

Drawings, descriptions and CCD photos are copyright Andrew Cooper unless otherwise noted, no usage without permission.

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.

NGC & IC object notes from Harold Corwin licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License. Additional supplementary material for NGC and IC catalog objects from Courtney Seligman with non-commercial use allowed, found at https://cseligman.com