NGC/IC Project Restoration Effort

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NGC1721

 

Basic Information


Location and Magnitude


Right Ascension: 4:59:17.4
Declination: -11:7:6
Constellation: ERI
Visual Magnitude: 12.8

Historic Information


Discoverer: Barnard
Year of discovery: 1885
Discovery aperture: 6.0

Observational


Summary description: vF, vS, R
Sub-type: S0

Steve's Notes

===== NGC 1721 24" (12/28/13): moderately to fairly bright, fairly small, high surface brightness, elongated 3:2 NW-SE, ~45"x30". Contains a small, bright irregular core. A mag 14 star is 0.8' NE of center. First in a close trio (KTS 28) with NGC 1725 and 1728. 17.5" (12/3/88): fairly faint, small, slightly elongated, broadly concentrated halo. A mag 14 star is off the NE side 1' from the center. In a close trio with NGC 1725 1.6' SE and NGC 1728 2.5' ESE. In addtion, NGC 1723 lies 8.5' NNE.