Image:Cassiopeia constellation map.png

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This is a celestial map of the constellation Cassiopeia.

It was created by Torsten Bronger using the program PP3 on 2003/04/12. At PP3's homepage, you also get the input scripts necessary for re-compiling the map.

The yellow dashed lines are constellation boundaries, the red dashed line is the ecliptic, and the shades of blue show Milky Way areas of different brightness. The map contains all Messier objects, except for colliding ones. The underlying database contains all stars brighter than 6.5. All coordinates refer to equinox 2000.0.

The map is calculated with the azimuthal equidistant projection (the azimuth being in the center of the image). The north pole is to the top. The (horizontal) lines of equal declination are drawn for 0°, ±10°, ±20° etc. The lines of equal right ascension are drawn for all 24 hours. The scale of the map is (approx.) 11.8 pixel per degree at the centre of the bitmap. Towards the rim there is a very slight magnification (and distortion).

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. Subject to disclaimers.

This map image was uploaded in a raster image format such as PNG, GIF, or JPEG. However, it contains information that could be stored more efficiently and/or accurately in the SVG format, as a vector graphic.
If possible, please upload an SVG version of this image. After doing so, please replace all instances of the previous version throughout Wikipedia (noted under the “File links” header), tag the old version with {{Vector version available|NewImage.svg}}, and remove this tag. For more information, see Wikipedia:Preparing images for upload. For assistance with converting to SVG, please see the Graphics Lab.

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File history

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	Date/Time	Dimensions	User	Comment
current	20:18, 10 March 2007	562×560 (125 KB)	Rursus (Talk \| contribs)
	12:55, 12 April 2003	427×427 (48 KB)	Bronger (Talk \| contribs)	(Constellation map of Cassiopeia.)