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Spiral Galaxy NGC 2541
Jonathan Oosterman

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NGC 2541

NGC 2541 is a loose unbarred spiral galaxy. These types of galaxies lack a central bar, unlike their opposite the barred galaxy, which have a distinct bar through their center.  Located about 24 million light years away within the constellation Lynx, NGC 2541 is part of a group of 5 other galaxies whose distances apart are very similar to our own local group of galaxies.  NGC 2541 is close enough for us to be able to see many HII regions within its spiral arms.

In this particular photograph, NGC 2541 has a linear size of approximately 28,000 light years. We can see a bright circle, lacking a bar, at the center of the galaxy which gradually fades as you move toward the edge of the galaxy. The spirals of NGC 2541 are difficult to see but several are visible near the outer edge of the galaxy. Within these arms, if this image were in color, the brighter white spots would most likely glow red indicating that they are HII regions.

References:
Matthews, Doug, and Charles Betts. "NGC 2541". NOAO, 27 Nov. 2003. Web. 6 Dec. 2010. <http://www.noao.edu/outreach/aop/observers/n2541.html>

NASA/IPAC Extragalactic Database. Web. 6 Dec. 2010. <http://nedwww.ipac.caltech.edu/cgi-bin/nph-objsearch?objname=NGC+2541&img_stamp=yes&extend=no#BasicData_0>

Right Ascension (J2000) 08:14:42
Declination (J2000) +49:04:32
Filters used Clear(C)
Exposure time per filter 4x300 seconds in C
Date observed

October 28, 2010

 

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