NGC/IC Project Restoration Effort
(This is a very very beta version)
NGC1642
Basic Information
Location and Magnitude
Right Ascension: 4:42:54.9
Declination: +0:37:8
Constellation: TAU
Visual Magnitude: 12.6
Historic Information
Discoverer: d'Arrest
Year of discovery: 1861
Discovery aperture: 11.0
Observational
Summary description: F, R, Cometary, Δ with 2 st 18, f
Sub-type: Sc
Steve's Notes
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NGC 1642
24" (12/22/14): moderately bright and large, round, ~1.2' diameter, fairly sharply concentrated with a very small, bright core. Surrounded by a number of 14th and 15th magnitude stars! A mag 10.4 star lies 3.7' W.
UGC 3141 (double system) lies 8.4' NNE and appeared faint to fairly faint, fairly small, round, 30" diameter, low surface brightness, no core or zones.
13.1" (11/29/86): fairly faint, fairly small, slightly elongated, fairly diffuse, slightly brighter small core.