File:NGC4145 Spitzer.jpg

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Summary

DescriptionNGC4145 Spitzer.jpg	English: Galaxy NGC 4145 Polski: Galaktyka NGC 4145
Date	8 May 2009
Source	http://www.nasa.gov/mission_pages/spitzer/multimedia/spitzer-20090805.html
Author	NASA

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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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	Date/Time	Thumbnail	Dimensions	User	Comment
current	16:55, 27 September 2009		1,064 × 1,064 (495 KB)	John Belushi	{{Information \|Description={{en\|1=Galaxy NGC 4145}} {{pl\|1=Galaktyka NGC 4145}} \|Source=http://www.nasa.gov/mission_pages/spitzer/multimedia/spitzer-20090805.html \|Author=NASA \|Date=2009-05-08 \|Permission= \|other_versions= }} Category:Galaxies

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NGC 4145

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Metadata

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Image title	This infrared picture shows a relatively calm galaxy called NGC 4145. This galaxy has already made most of its stars and has little star-forming activity. It is located 68 million light-years away in the constellation Canes Venatici. Blue shows starlight and dust. This image is one of the first to be taken during Spitzer's warm mission -- a new phase that began after the telescope, which operated for more than five-and-a-half years, ran out of liquid coolant. The picture was snapped with the two infrared channels that still work at Spitzer's still-quite-chilly temperature of 30 Kelvin (about minus 406 Fahrenheit). The two infrared channels are part of Spitzer's infrared array camera: 3.6-micron light is blue and 4.5-micron light is orange. This picture was taken while the telescope was being re-commissioned, on July 18.
Width	1,064 px
Height	1,064 px
Compression scheme	LZW
Pixel composition	RGB
Orientation	Normal
Number of components	3
Horizontal resolution	72 dpi
Vertical resolution	72 dpi
Data arrangement	chunky format
Software used	Adobe Photoshop CS3 Macintosh
File change date and time	12:32, 4 August 2009
Color space	Uncalibrated

File:NGC4145 Spitzer.jpg

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inception

8 May 2009

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507,354 byte

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1,064 pixel

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checksum

73c2c775547cd69a94e8672ef62f8ce27031a13c

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