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Old 05-02-2014, 02:48 PM
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Peter Ward
Galaxy hitchhiking guide

Peter Ward is offline
 
Join Date: Dec 2007
Location: The Shire
Posts: 8,484
Quote:
Originally Posted by Octane View Post
That is truly astounding, Peter. Considering both the short exposure duration and your light-polluted skies. Something to aspire to!

You're giving me inspiration to move my gear from my dark sky setup (where I just can't get out to nowadays, due to work, life, etc.,) and moving it to my light-polluted Queanbeyan backyard. I might actually get something done from the backyard! The STL/FSQ is sitting there doing nothing. I haven't done any deep sky imaging since my M31 several years ago. *sigh*

H
Thanks H. Queanbeyan light polluted?? Nah!

The thing to remember with urban imaging is provided you can keep the noise down (read: cooled CCD), deep objects are very attainable...they just need more exposure than a dark sky site.

Also the RHA is going to gather photons over 4x faster that a 100mm refractor...hence to get a similar S/n you'd need 4:1:1:1 hours with the Taka... certainly doable over a couple of nights
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