NGC/IC Project Restoration Effort

(This is a very very beta version)

NGC4840

Basic Information

Location and Magnitude

Right Ascension: 12:57:32.8
Declination: +27:36:38
Constellation: COM
Visual Magnitude: 13.7

Historic Information

Discoverer: Herschel W.
Year of discovery: 1785
Discovery aperture: 18.7

Observational

Summary description: vF, vS
Sub-type: E1

Steve's Notes

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NGC 4840

17.5" (5/14/94): faint, small, round, 0.4' diameter, symmetrical appearance with an even concentration.  Member of the AGC 1656 with NGC 4839 7.0' S.