NGC/IC Project Restoration Effort

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NGC2494

 

Basic Information


Location and Magnitude


Right Ascension: 7:59:7.2
Declination: -0:38:15
Constellation: MON
Visual Magnitude: 13.1

Historic Information


Discoverer: Marth
Year of discovery: 1864
Discovery aperture: 48.0

Observational


Summary description: F, S, lE
Sub-type: SB0-a

Corwin's Notes

===== NGC 2494 = IC 487. Marth's position, accurately copied into the NGC, is 1 minute of time too small, an obvious digit error. Swift's position in the IC is not too bad, but is far enough off the NGC position that neither he nor Dreyer caught the identity. Herbert Howe missed it, too, and commented only on the position angle of the galaxy (he has it at 110 degrees, though I would put it closer to 95 degrees). Reinmuth, in his 1926 "Die Herschel Nebel," was, as far as I know now, the first to suggest the identity of the two objects. He describes the galaxy accurately, and provides an improved position for it, but also notes an "eFeS neb nnp 7.5'". The object most closely matching his distance from NGC 2494 is enough fainter than several other galaxies in the field that I do not believe that it is the object that Reinmuth found.

Steve's Notes

===== NGC 2494 17.5" (1/23/88): moderately bright, oval ~E-W, fairly small, bright core. A nice triple star lies 4' ESE; the closer components are mag 11/12 with separation 19".