The Sculptor Galaxy, NGC 253


The Sculptor Galaxy, also known as the Silver Coin or Silver Dollar Galaxy, NGC 253, is an intermediate spiral galaxy in the constellation Sculptor. The Sculptor Galaxy is a starburst galaxy, which means that it is currently undergoing a period of intense star formation. The galaxy was discovered by Caroline Herschel in 1783 during one of her systematic comet searches. About half a century later, John Herschel observed it using his 18-inch metallic mirror reflector at the Cape of Good Hope.  He wrote,”very bright and large (24′ in length); a superb object…. Its light is somewhat streaky, but I see no stars in it except 4 large and one very small one, and these seem not to belong to it, there being many near…”

Imaging telescopes or lenses: Takahashi FSQ106EDXIII
Imaging cameras: QSI 683WSG8
Mounts: Astro-Physics Mach1 GTO
Guiding cameras: SBIG STi
Filters: Astrodon LRGB CCD Gen II E-Series
Resolution: 1510×1004
Integration: 0.0 hours
RA center: 11.888 degrees
DEC center: -25.300 degrees
Pixel scale: 2.095 arcsec/pixel
Orientation: 179.312 degrees
Field radius: 0.527 degrees

Author: Neale Walters

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