NGC 55 in Sculptor

NGC 55 in Sculptor

Caldwell 72

Constellation: Sculptor
Ra: 0h 15m 8s
Dec: -39deg 13min 10s
Distance: 5 million light years
Image Size: 40' x 40'
North: Up



NASA Astronomical Picture of the Day, August 12, 2009
NGC55 (Caldwell 72) is is large, irregular spiral galaxy located in the southern constellation of Sculptor. It is a member of the Sculptor Group of galaxies that also includes NGC300, NGC253 and others, and is 5 million light years distant. The abundant, pink HII regions indicate that considerable star formation is occurring. There are many small galaxies in the background.

Exposure: 7.5 hrs Total; 3 hrs L, 3.5 hrs RGB
Telescope: 14.5" f/8.2 Classical Cass. in RCOS truss
Mount: Software Bisque Paramount ME
Oag: Astrodon MonsterMOAG
Acquisition: CCD AutoPilot4
Calibration: CCDStack2
Observatory Site: Riverland Dingo Observatory, Moorook, S. Australia
Camera: Apogee U16M
Filters: Astrodon Gen 2 CRGB
Guider: SBIG ST-402
Camera Operation: MaximDL5.08
Processing: Photoshop CS3
Image Date: 07/23/2009

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