The Ring Nebula

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M57 - The Ring Nebula in Lyra

by Bob and Janice Fera

Officina Stellare RC-360AST 14" f/8 Ritchey Chretien Cassegrain
with two-element field flattener

Apogee Alta U16M CCD Camera

Astrodon Filters

LHaRGB Composite - 320:570:90:90:90 minutes

L:7x20m, 6x30m Ha:19x30m R:6x15m G:6x15m B:6x15m

Image acquired with CCDAutopilot

Processed in CCDstack and Adobe Photoshop

Taken June 23-27, 29-30, July 1, 2011 from Eagle Ridge Observatory, Foresthill, CA


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