1004X EX-VIEW LONG EXPOSURE ASTRO CAMERA

LRGB IMAGE of M57

16th August 2002

VC200L +FL reducer FL=1250mm

10x 15sec frames each for unfiltered(L) and R,G,B filtered exposures

The L layer was unsharp masked to bring out the detail and the RGB layer was blurred to reduce noise 

By combining all the LRGB frames into one greyscale negative, it is possible to see signs of magnitude 19 stars