NGC/IC Project Restoration Effort
(This is a very very beta version)
NGC4764
Basic Information
Location and Magnitude
Right Ascension: 12:53:6.7
Declination: -9:15:27
Constellation: VIR
Visual Magnitude: 15.1
Historic Information
Discoverer: Tempel
Year of discovery: 1882
Discovery aperture: 11.0
Observational
Summary description: eF, eS, sf D neb II 559
Sub-type: E2
Corwin's Notes
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NGC 4764. This is another of the nebulae found by Tempel that has no position
given in his discovery paper in AN 2439. Either he or Dreyer concocted the
NGC position from what information he did give. See NGC 4776 for the sorting
out of this field for RC3 in the late 1980s.
Steve's Notes
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NGC 4764
18" (6/17/06): extremely faint and small, round, 10"' diameter. Located 1.9' SSE of mag 9.5 HD 111960 that hampers the view and 3.4' SSE of the double system NGC 4759. Requires averted to view.
17.5" (4/13/96): HCG 62d appears extremely faint and small, round, requires averted but once located can hold at least 50% of time. Located 1.9' SSE of a mag 9 star. A mag 13.5 star lies 1.3' SW. Faintest of four in HCG 62.
17.5" (5/17/90): extremely faint and small, round, almost stellar, glimpsed for moments only. Located in a compact galaxy group 3.5' S of double system NGC 4759 and 2' S of mag 9.1 SAO 139019. A mag 14 star is 1.5' SW.