File:NGC 7793.jpg

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DescriptionNGC 7793.jpg	English: Galaxy NGC 7793, located approximately 10 million light-years away, is a member of the Sculptor group of galaxies. This galaxy cluster, named after the constellation in which it resides, is one of the closest to our own Local Group of galaxies. This image was captured as part of the Spitzer Infrared Nearby Galaxy Survey (SINGS) Legacy Project using the telescope's Infrared Array Camera (IRAC). As the "glowing" red emission maps out, Spitzer is able to pierce through dense clouds of gas and dust that comprise the spiral disk, revealing new star formation that is driving the evolution of the galaxy. The SINGS image is a four channel false color composite, where blue indicates emission at 3.6 microns, green corresponds to 4.5 microns, and red to 5.8 and 8.0 microns. The contribution from starlight (measured at 3.6 microns) in this picture has been subtracted from the 5.8 and 8 micron images to enhance the visibility of the dust features.
Date	15 September 2005
Source	http://www.spitzer.caltech.edu/images/2371-sig05-017-NGC-7793
Author	NASA/JPL-Caltech/R. Kennicutt (University of Arizona) and the SINGS legacy team

Image use policy: http://www.spitzer.caltech.edu/info/18-Image-Use-Policy

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	This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
	Warnings: Use of NASA logos, insignia and emblems is restricted per U.S. law 14 CFR 1221. The NASA website hosts a large number of images from the Soviet/Russian space agency, and other non-American space agencies. These are not necessarily in the public domain. Materials based on Hubble Space Telescope data may be copyrighted if they are not explicitly produced by the STScI.[1] See also {{PD-Hubble}} and {{Cc-Hubble}}. The SOHO (ESA & NASA) joint project implies that all materials created by its probe are copyrighted and require permission for commercial non-educational use. [2] Images featured on the Astronomy Picture of the Day (APOD) web site may be copyrighted. [3] The National Space Science Data Center (NSSDC) site has been known to host copyrighted content. Its photo gallery FAQ states that all of the images in the photo gallery are in the public domain "Unless otherwise noted."

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Author	Spitzer Space Telescope
Copyright holder	http://www.spitzer.caltech.edu/Media/mediaimages/copyright.shtml
Width	990 px
Height	990 px
Compression scheme	LZW
Pixel composition	RGB
Orientation	Normal
Number of components	3
Horizontal resolution	300 dpi
Vertical resolution	300 dpi
Data arrangement	chunky format
Software used	Adobe Photoshop CS3 Macintosh
File change date and time	14:31, 5 June 2009
Color space	Uncalibrated

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