24x45s (of 1.87 December 2018) that I mediated in groups of 3 and after added. The image was made without filters with the Cassegrain of Frasso Sabino (Rieti, Italy) reduced to F/6.67 (diameter 369mm focal 2461mm). North at the top and east on the left. Image scale is 1".34/pixel and field of 22'.5x 28'.2. |
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