NGC2903, 26th March 2009, Fleet, Hants, England, C11 @ f6.4 on G11 mount, ST10XME with AO8 active optics
Guided on m7.5 star at 4.0Hz, L=27x180s, R=12x180s 2x2, G=13x240s 2x2, B=14x360s 2x2
Total = 4.22hrs, Seeing = 3.5" FWHM median
Full size (1770 x 1318 pixels) (0.3 Mbytes)