NGC/IC Project Restoration Effort
(This is a very very beta version)
NGC3939
Basic Information
Location and Magnitude
Right Ascension: 11:49:19.5
Declination: +74:18:7
Constellation: DRA
Visual Magnitude: 13.3
Historic Information
Discoverer: Herschel W.
Year of discovery: 1801
Discovery aperture: 18.7
Observational
Summary description: eF, vS, R (Place doubtful)
Sub-type: Sc
Corwin's Notes
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NGC 3939 = NGC 3890. This was identified on a plate taken at RGO at Dreyer's
request to sort out WH's positions during his sweep 1096 on 2 April 1801; the
results were published in MN 71, 509, 1911. Dreyer then labeled III 971 in
his 1912 collection of WH's papers as NGC 3890. Curiously, he mentions N3890
in his 1912 MN note giving NGC corrections, but not N3939. See NGC 3752 for
more information.
Steve's Notes
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NGC 3939
See observing notes for NGC 3890.