http://skyweek.wordpress.com/2012/10/23/helle-nova-in-den-hyaden-leider-doch-nicht/ Alles über's All ... von Daniel Fischer ... seit 1985 - und jetzt online im klassischen Blog-Format Fri, 17 May 2013 13:26:44 +0000 hourly 1 http://wordpress.com/ http://skyweek.wordpress.com/2012/10/23/helle-nova-in-den-hyaden-leider-doch-nicht/#comment-2851 Wed, 24 Oct 2012 08:42:00 +0000 http://skyweek.wordpress.com/?p=15455#comment-2851 This is an image artifact allright, but not a ghost image of Aldebaran. This kind of red and also blue spots are frequent in DSLR images that work with a CMOS sensor, and they seem to increase as the camera (and its sensor) gets older.

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