M57 The Ring nebula

Nick King - Harrow, UK 16th April 2005 M57 The Ring nebula - (HaL)RGB ((45:50):30:30:30) All subs were 10 minute unbinned, with the exception of 2 x 5 minute L exposures and the 3 x 15 minute Ha exposures. Taken with an SXV-H9 through a Vixen VC200L @ f6.4 using a set of Astronomik Type II LRGB filters and an Astronomik 13nm Ha filter. Guided with an SXV guide camera and a TV76. Captured with AstroArt3 and flat-reduced with iCCD, all other processing with Photoshop CS.