M 57

This is a high S/N image made from approx 4 hour of hi-res  images made over 2 years, 
using CN-212 (8.2" f/12.4 Classical Cass) and RCOS (12.5" f/9 R-C).  
Note the many little stars within the nebula 
(they are real as confirmed by Keck & Wilson images)

Return