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SUBJECT: M-57
RING NEBULA
EXPOSURE DATE: July
2001
LOCATION:
ACORN HOLLOW OBSERVATORY--SUTTON
MA.
TELESCOPE or CAMERA:10"
SCT w f/6.3 flr ST-237 CCD
EXPOSURE: L=1X1
5-120sec RGB=2X 5-120sec
POST PROCESSING:
Astro-Art and PHOTO SHOP Ver 5
NOTES: This
is my first full color image, using PHOTOSHOP to add the Luminance channel