astroimages
Darin E. Fields' Astrophotography Pages
 

IC 5146: The Cocoon-- Cluster associated with nebulosity in Cygnus

Right Ascension: 21 : 53.4 (hours : minutes)
Declination: +47 : 16 (degrees : minutes)
Apparent Magnitude: 7.2
Apparent Diameter: 12. (arc minutes)
More information on IC 5146

Exposure:LRGB Exposure: L=40 minutes (5 x 480 sec.), R=32 minutes (4 x 480 sec.)2x binned, G=32 minutes (4 x 480 sec.)2x binned, B=32 minutes (4 x 480 sec.)2x binned.
Camera: ST-237 cooled @ -20c
Guiding: ST-4 on ST-80 @ f/10
Telescope: 8" f/4 Newtonian
Mount: Losmandy G-11
Acquisition and Processing: Maxim/DL and Photoshop 6.0
Date:7-12-02
ic5146-lrgb-1: