M57 in a wide field, 20th May 2008, Fleet, Hants, England, Pentax 105SDHF at f4.8 on G11 mount, ST10XME
Guided on m5.2 star with 1 second exposures, L=46x60 secs, R=23x60 secs, G=23x80 secs, B=22x160 secs Total = 2.6hrs
Full size (2184 x 1472 pixels) (0.6 Mbytes)