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Darin E. Fields' Astrophotography Pages
 

M11: The Wild Duck Open Cluster in Scutum

Right Ascension 18 : 51.1 (h:m)
Declination -06 : 16 (deg:m)
Distance 6 (kly)
Visual Brightness 6.3 (mag)
Apparent Dimension 14.0 (arc min)
More information on M11

Exposure: A 90 second LRGB exposure (L=10, R=20, G=30, B=30)
Camera: SBIG ST-237 cooled to -17c
Guiding: ST-4 on the ST-80 @1 sec.
Telescope: 8" f/4 Newtonian
Mount: Losmandy G-11
Processing: Combined and processed in Maxim/DL
Date: 8/24/2001
m11-rgb: