Cirrus Nebula
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Infos zum Bild |
Object.................: NGC6992, NGC6995
Optics / Telescope.....: Traveler focal length, f/ratio..: 600mm, f/5,8 Total exposure time....: 50 min. Film / CCD.............: ST2000XM Guiding................: Self-guided Date & location........: 09.09.04, Spicheren/France Author.................: Sebastian Voltmer Comments...............: H-alpha (1000sec), OIII (1000sec), H-beta (1000sec) |
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