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Oct. 17, 2009
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Alan Smallbone |
M31 - Andromeda Galaxy
Anza, CA
This was taken with a QSI583ws and IDAS RS filters with a Borg 125 with a 0.85x reducer, giving a focal length of 657mm. Exposure time was 30x15x14x16 frames of LRGB each 6 minutes long.
QSI583WS,Borg 125mm f5.25,IDAS RS filters
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