M57, the Ring Nebula in Lyra.

Color of M57, the Ring Nebula, in Lyra .

Right Ascension = 18h 53.6m (h:m:s), Declination = +33.02 (deg:m)
Magnitude =8.8, Size = 80" x 60" (arcseconds), Distance under 2 thousand light years (kly)
This image was a trial and adjustment run of my guideing scope. As it goes it is my best effort so far at imageing the Ring. This color image is made up one each Rx5min, Gx5min, Bx5min and luminancex5min. A combined total of 20 minutes. The image was RGB combined in CCDOPS v5.25, luminance added in PaintShop Pro v6. Guided by ST4 on 4" F/10 refractor. This is a f6.3 image covering 12 arcminutes horzontally by 9 arcminutes vertically. It is a 640x479 pixel resolution. July 14, 2004.

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