North American and Pelican

North American and Pelican Nebulae

North American and Pelican Nebulae - Emission Nebulae in Cygnus

by Bob and Janice Fera

Stellarvue SV4 4" f/6.4 Refractor with Televue 0.8x Reducer/Flattener

Yankee Robotics Trifid-2 6303E CCD Camera

Astrodon filters

LRGB composite - L:120 minutes, RGB:50 minutes each

Sub-exposures: 10 min, RGB binned 2x2

Image acquired with CCDAutopilot

Processed in CCDstack, MaxIm/DL (with RC-Astro plug-in), and Adobe Photoshop

Taken August 19, 21, 2006 from Eagle Ridge Observatory, Foresthill, CA

Note: This is an early test image with the SV4 refractor. The elongated edge stars were caused by grossly improper spacing between the Reducer/Flattener and the CCD detector.

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