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Type: galaxy, E
Mag: B=?, V=?
Size: 1.584′ x 1.288′
NGC 5761 carries in the NGC another of the notoriously poor early Leander McCormick positions. Nevertheless, I am almost certain that this is one or the other of ESO 580-G039 or ESO 580-G040. Since the LM positions are more likely to be off in RA than in Dec, and since the nominal declination is close to that of -G040, this suggests that the RC3 identification with G39 is incorrect. However, -G039 is nearly a magnitude brighter than -G040 in ESO-LV, it is larger, and it is also more face-on -- all factors that suggest that it, and not -G040, is N5761. Unfortunately, there is no discovery sketch, so we can only guess at this point. Forced to a decision, I would say that the RC3 identification is perhaps correct -- but I certainly wouldn't bet any of my cats on it!
The RNGC (Sulentic and Tifft 1973) notes that this is a 14.0 mag galaxy. Their coded description reads E,R,BM.
The Messier objects
The Bennett objects
The Caldwell list
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