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Ring Nebula M57
Infos zum Bild



Object.................: M57
Optics / Telescope.....: C11
focal length, f/ratio..: 1764m, f/6.3 (Alan Gee)
Total exposure time....: 26 min.
Film / CCD.............: ST2000ME
Guiding................: Self-guided
Date & location........: Spicheren / France
Author.................: Sebastian Voltmer
Comments...............: L: 20min, R: 2min, G: 2min, B: 2min




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