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Astr110 Photography Projects, Spring 2008

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M49, Eric Lubben

 M49

The object M49 is an elliptical galaxy that is found in Virgo. The "M" stands for Messier and is named after Charles Messier, the discoverer of M49. Messier discovered it in 1771, and eight years later Barnabas Oriani rediscovered it. An elliptical galaxy is a galaxy that has an ellipsoidal shape and a smooth, featureless brightness profile. M49 was the first of the Virgo cluster of galaxies to be discovered.

M49 is one of the brightest Virgo cluster galaxies with a magnitude of 8.5.There is a star in the foreground that is substantially brighter than anything around it. The star has a magnitude of 13 and is often mistaken for a supernova by observors. There are many small, faint companions scattered throughout the image. M49 is 60 million light years away. The angular size of M49 is 3.7 arc minutes, corresponding to its linear size of 65,000 light years.

References:
"Messier 49" Absolute Astronomy. <http://www.absoluteastronomy.com/topics/Messier_49>.

Frommert, Hartmut and Kronberg, Christine. "Messier 49." Students for the Exploration and Development of Space. <http://seds.org/messier/m/m049.html>

Right Ascension (J2000) 12:29:46
Declination (J2000) +07:59:58
Filters used Clear(C)
Exposure time per filter 5x60 seconds in C
Date observed

April 6, 2009 (C)