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NGC 1491 - Emission Nebula in Perseus
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
Ha-OIII-RGB Composite - 510:540:30:30:30 minutes
Sub Exposures: Ha:17x30m OIII:18x30m RGB:10x3m
Image acquired with CCDAutopilot
Processed in CCDstack and Adobe Photoshop
Taken October 5, 20, 22, 23, 2013 from Eagle Ridge Observatory, Foresthill, CA
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