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NGC
253 gained the nickname "Silver Coin" galaxy because of its visual appearance
in telescopes. The galaxy is actually located in a cluster
of dimmer galaxies and is difficult to see visually because of the low
surface brightness and its southern declination. Use the 4.3
magnitude star, Alpha Scl, and the Globular Cluster, NGC 288 (Magnitude
8.1) to help locate it. It is very large, about as wide as a full
moon and 1/4 as tall so use a low power eyepiece and at east a 6 inch scope.
The galaxy is about 5 degrees from the star.
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Size: 27.7 x 6.7 arcmin Magnitude: 8.0 Surface Brightness: 12.8 RA: 00h 47m 33.1s Dec: -25d 17m 18s |
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Scope: 8" LX 200 SCT |
MX-5C CCD Camera, STAR 2000 and IDAS LPR | |
Focal Ratio: f3.3 | |
Exposure: 70 min | |
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