ASTRO IMAGES By Doug Wheeland


            M27 - Planetary Nebula in Lyra

M 57                     EQUIPMENT
Telescope ----  12.5" RCOS RC at 114" FL
Mount --------  Astro-Physics AP1200
Camera -------  SBIG ST8E/CFW8
Guided -------  SBIG AO7

26 Jul. 2003
190 min. Total
10 min. Sub-Exposures
LRGB Filtered
Acquired Using MaxIm CCD

Data Reduction Using MaxIm DL
Finished Using Adobe Photo Shop

Star Ranch Road Observatory
South Western Colorado Springs
Elevation 6500 Feet


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Also known as "The Ring Nebula", it is actually a tube that we are looking through from end to end.  The central star was originally similar to our Sun but has ejected many bursts of energy and material as it evolved into a white dwarf star.  We see layers of surrounding gas glowing as the shock waves travel outward.  The Ring is about one light year in diameter and 2000 light years distant.

All Images Copyright Douglas R. Wheeland

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