M-57 Taken with 10" SCT  F/10  ST-237 @ 2x2 binning, 60 min total , resized 150%

SUBJECT: M-57 RING NEBULA
IMAGE's Taken: Oct 6-7 2001
LOCATION:ACORN HOLLOW  OBSERVATORY--SUTTON  MA.
TELESCOPE or CAMERA: 10" SCT @ f/10  ST-237 CCD working at 2x2 binning
POST PROCESSING:Astro-Art
NOTES: 12-600sec added- Non-Linear filter-DeGauss filter also Erosion filter on left image