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| Peter Zetner | profile | guestbook | all galleries | recent | tree view | thumbnails |
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21-Dec-2013 03:04 :: Spectroheliograph :: |
17-Oct-2013 14:57 :: Daystar H-Alpha Filter :: |
06-Sep-2013 20:35 :: The Instrument :: |
22-Aug-2013 17:06 :: Optics Design and Assembly :: |
20-Aug-2013 20:39 :: Equipment :: |
20-Aug-2013 20:17 :: Optics Configurations :: |
13-May-2013 03:45 :: Learning Curve :: |
13-May-2013 02:32 :: Other Solar Photos :: |
26-Aug-2012 15:28 :: Omega H-Alpha Filters :: |