NGC/IC Project Restoration Effort

(This is a very very beta version)



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


Summary description: F, R, Cometary, Δ with 2 st 18, f
Sub-type: Sc

Steve's Notes

===== 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.