NGC/IC Project Restoration Effort

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NGC6651

 

Basic Information


Location and Magnitude


Right Ascension: 18:24:19.7
Declination: +71:36:8
Constellation: DRA
Visual Magnitude: 13.1

Historic Information


Discoverer: Swift L.
Year of discovery: 1884
Discovery aperture: 16.0

Observational


Summary description: eeF, pS, lE, v diffic
Sub-type: Sbc

Corwin's Notes

===== NGC 6651. As with several other objects (see e.g. NGC 2128 and NGC 7065), Steve Gottlieb drew my attention back to this one in the winter and spring of 2011. Here's what he had to say about NGC 6651: Swift's position for N6651 (list IV-69) is just 24 tsec W and 34" S of UGC 11236 = CGCG 340-044, so this identification appears secure, though I'm not sure about "bet a F nr * and a distant B one." The bright star could be the mag 7 star 10' NE, or [it could be] 4th magnitude phi Dra[conis], located 23' SW, but what is the "faint near star"? In any case, CGCG and UGC misidentify UGC 11193 = CGCG 340-042 as N6651. Because of this error, the magnitude in the RNGC applies to CGCG 340-042. N6651 is correctly identified in the MCG, RC2, RC3, and RNGC. The "bright" star is about 5 arcmin west-southwest of the galaxy while the "faint near" star is roughly 2 arcmin east-southeast. This secures the identification. I found that I had penciled the correct identifications into CGCG, MCG, and UGC, probably during work on RC2 in the early 70s. But as with many other corrected NGC/IC problems, I was not yet writing notes at that time.

Steve's Notes

===== NGC 6651 17.5" (6/11/88): faint, fairly small, elongated 2:1 SW-NE, bright core.