NGC/IC Project Restoration Effort

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NGC1182

 

Basic Information


Location and Magnitude


Right Ascension: 3:3:28.4
Declination: -9:40:14
Constellation: ERI
Visual Magnitude: 13.9

Historic Information


Discoverer: Stone
Year of discovery: 1886
Discovery aperture: 26.3

Observational


Summary description: eF, pS, E 120°, * sp 2½'
Sub-type: Sa

Corwin's Notes

===== NGC 1182 is almost certainly = NGC 1205. Both objects were found by Ormond Stone with the 26-inch refractor at Leander McCormick. As with all of the nebulae published in the first AJ paper from LM, the positions are crudely given to just a full minute of time and an arcminute. In this case, the two positions flank the actual position, with NGC 1182 being about a minute of time to the west, and NGC 1205 about two minutes east (this latter error is a common one in the Leander McCormick lists). The declination is within an arcminute in both cases. There are no sketches for either of these. Stone's descriptions of the nebulae are almost identical (m = 15.5, Dxd = 0.7x0.3, extended 120deg; *10 PA = 240deg, dist = 2.5 arcmin and m = 14.0, Dxd = 0.7x0.3, extended 25deg; *9.5 PA = 240deg, dist = 3.0 arcmin). Only the magnitudes and position angles are different enough to attract attention. Howe suggested that the two objects were the same, and put the star 8 seconds west and 2 arcmin south of the galaxy (I measure 8.1 seconds and 1 arcmin 27 arcsec; the separation is 2.47 arcmin). I suspect that the position angle of 25 degrees is a transcription error for "125"; the difference in magnitude could be the result of different observing conditions. There is a galaxy, NPM1G -09.0141, closer to the position for NGC 1205 and with a star at approximately the right distance and position angle. But the galaxy is considerably fainter than NGC 1182. Its position is also off in declination as well as RA, so I think it is unlikely to be Stone's second object, especially since he makes the eastern one brighter than the western.

Steve's Notes

===== NGC 1182 17.5" (1/28/00): very faint, small, round, slightly elongated NW-SE, 25"x20" diameter, low surface brightness. A mag 12 star lies 2.5' SW and a mag 13 star is 1' E. Located 29' NE of mag 5.8 SAO 148721. NGC 1185 lies 33' NNW.