NGC/IC Project Restoration Effort
(This is a very very beta version)
NGC7790
Basic Information
Location and Magnitude
Right Ascension: 23:58:24.2
Declination: +61:12:30
Constellation: CAS
Visual Magnitude: 8.5
Historic Information
Discoverer: Herschel W.
Year of discovery: 1788
Discovery aperture: 18.7
Observational
Summary description: Cl, pRi, pC
Sub-type: III2p
Corwin's Notes
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NGC 7790. JH adopted his own position for "A double * in the p part ..." for
this cluster. However, not only is it preceding the center of the cluster, it
is 1 minute of time west as well. His father's position is much closer.
Steve's Notes
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NGC 7790
18" (11/26/03): ~30 stars resolved in a 4.5'x2.5' region, fairly rich. Three mag 11 stars are along the west side of the cluster and a slightly brighter mag 10 star is ~4' SE of the main group. This cluster is slightly larger than NGC 7788 ~16' NW. Fainter Be 58 lies 20' SE.
13" (9/29/84): largest of three open clusters on a line. Roughly two dozen stars mag 10-15 are resolved in a 5'x2' region elongated E-W. A mag 10 star is about 4' SE of the center and a couple of similar stars are on the west side of the cluster. The slightly fainter cluster NGC 7788 is located 15' NW. The three clusters span about 1¡ including Harvard 21.