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Old 08-07-2014, 10:49 PM
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cometcatcher (Kevin)
<--- Comet Hale-Bopp

cometcatcher is offline
 
Join Date: Jan 2005
Location: Cloudy Mackay
Posts: 6,542
You don't want too much magnification for M31. I think an 8" F6 might be a bit much for it. My best pic of it was with a 5.5" F3.64 Celestron "Comet catcher" and TP-2415 film. I think my short F5.5 ED80 would be perfect.
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