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30 June 2012 (2.74-50i) |
15 July 2012 (2.83-50i) |
Calcium K images - 2011
Ca K Barr filter : 393.38 nm - FWHM = 0.3 nm
Takahashi TOA 150 mm with 65 mm diaphragm
SBIG STL 11000 M or Lumenera LW 11059 M cameras - Takahashi X1.5 ED Extender - Exposure 3 to 5 ms
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30 June 2012 (2.74-50i) |
15 July 2012 (2.83-50i) |
