NGC253 – the Sculptor Galaxy

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The Sculptor Galaxy, also known as the Silver Coin or Silver Dollar GalaxyNGC 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.

As one of the brightest galaxies in the sky, the Sculptor Galaxy can be seen through binoculars and is near the star Beta Ceti. It is considered one of the most easily viewed galaxies in the sky after the Andromeda Galaxy.

The Sculptor Galaxy is a good target for observation with a telescope with a 300 mm diameter or larger. In such telescopes, it appears as a galaxy with a long, oval bulge and a mottled disc. Although the bulge appears only slightly brighter than the rest of the galaxy, it is fairly extended compared to the disk. In 400 mm scopes and larger, a dark dust lane northwest of the nucleus is visible, and over a dozen faint stars can be seen superimposed on the bulge.

Imaging telescopes or lenses: Ceravolo 300 Astrograph (f/9)
Imaging cameras: Apogee Alta U16M
Mounts: Astro-Physics AP900
Guiding telescopes or lenses: Ceravolo 300 Astrograph (f/9)
Guiding cameras: Starlight Xpress Lodestar
Software: DC-3 Dreams ACP, Pleaides Astrophoto PixInsight 1.8
Filters: Astrodon E-series 2 LRGB, Astrodon 3nm Ha
Accessories: FLI Atlas focuser
Dates: Sept. 6, 2013
Frames: 72×900″
Integration: 18.0 hours

Author: Rick Stevenson
AstroPhotography of the day by SPONLI 01 June 2014