46p 20181201 rroberto

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.

Page last updated: Sun 2 Apr 08:26:40 BST 2023