NGC/IC Project Restoration Effort
(This is a very very beta version)
NGC3644
Basic Information
Location and Magnitude
Right Ascension: 11:21:32.9
Declination: +2:48:37
Constellation: LEO
Visual Magnitude: 13.7
Historic Information
Discoverer: Marth
Year of discovery: 1865
Discovery aperture: 48.0
Observational
Summary description: vF, vS
Sub-type: Sa
Corwin's Notes
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NGC 3644 = IC 684, which see. Also see NGC 3643.
Steve's Notes
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NGC 3644
48" (4/4/11): moderately bright, moderately large, elongated 5:2 SW-NE, 40"x16", contains a bright core. A mag 12.5 star is 40" SSW of center. Shkh 352, a rich group of faint galaxies, lies 5' N in the field.
17.5" (4/4/92): faint, small, elongated 3:2 WSW-ENE. A mag 13 star is at the SW edge 0.6' from center. Located 12' ESE of mag 8.3 SAO 118800 in the NGC 3640 group with NGC 3643 12' N. A very faint quartet of galaxies is midway between NGC 3644 and NGC 3643.