Fundación Galileo Galilei - INAF Telescopio Nazionale Galileo 28°45'14.4N 17°53'20.6W 2387.2m A.S.L.

M57 observing by OIG


Color picture of M57 ring nebula in Lyrae, made from B,V,R OIG frames. The average seeing of this spectacular image is about 0.55"! The exposure times are 40 sec.