NGC/IC Project Restoration Effort
(This is a very very beta version)
NGC4909
Basic Information
Location and Magnitude
Right Ascension: 13:2:1.7
Declination: -42:46:18
Constellation: CEN
Visual Magnitude: 12.7
Historic Information
Discoverer: Herschel J.
Year of discovery: 1834
Discovery aperture: 18.3
Observational
Summary description: eF, 3 or 4 st 11, 12 f
Sub-type: Sa
Steve's Notes
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NGC 4909
14" (4/2/16 - Coonabarabran, 160x): faint to fairly faint, small, round, 25" diameter (this is the central core region on images). With averted vision increases to ~40" diameter. A number of stars are nearby including a pair of mag 13 stars [11" separation] 1.6' SE and a mag 11.5 star is 2.3' E. In addition, a mag 12/13 pair at a similar separation is 2.9' SW. The latter is part of a distinctive arc of stars that begins 2.5' SW and sweeps clockwise, ending at mag 10 HD 113176 7.7' SSE.