13 March 2009
(3.1)
10 April 2009
(3.0)
23 April 2009
(3.2)
16 May 2009
(2.9)
9 September 2009
(2.96)
Calcium K images - 2009
Ca K Barr filter : 393.38 nm - FWHM = 0.3 nm
Takahashi TOA 150 mm with 65 mm diaphragm
SBIG STL 11000 M - Takahashi X1.5 ED Extender - L Astronomik filter
Exposure 5 ms
|
13 March 2009 (3.1) |
10 April 2009 (3.0) |
23 April 2009 (3.2) |
16 May 2009 (2.9) |
9 September 2009 (2.96) |