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Astr110 Photography Projects, Spring 2008

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Spiral Galaxy MCG-1-33-1 Todd Terrazas

Spiral Galaxy

This is an image of a spiral Galaxy. It is apart of the NGC 4697 Virgo II group. A spiral galaxy is a flat, rotating disk of star, gas and dust. A spiral galaxy has a central concentration of stars that is know as the bulge. This specific spiral galaxy is 55 million light years away form us.

This spiral galaxy has an angular size of 3', and a linear size of 50,000 Light years. This spiral galaxy is recessing from us at a velocity of 1765 km/s

References:

Giuricin G, Marinoni C, Ceriani L, Pisani A, (2000), Nearby optical galaxies:
selection of the sample and identification of groups. Astrophys J, 543, 178.

 

http://www.atlasoftheuniverse.com/galgrps/virii.html

 

Right Ascension (J2000) 12:44.1
Declination (J2000) -05:41
Filters used clear (C)
Exposure time per filter 15 per 10 sec.
Date observed

April 2nd, 2009