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  #41  
Old 14-11-2014, 11:15 AM
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Camelopardalis (Dunk)
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Sweeeeeet! look forward to your feedback Simon...
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  #42  
Old 14-11-2014, 11:33 AM
SteveInNZ
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Has anyone seen any dark noise numbers ?
All I've found is "I shot this with the lights turned off" stuff.

Steve.
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  #43  
Old 14-11-2014, 12:00 PM
Poita (Peter)
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The hyperstar is doing most of the work, I have one on a C14, and the performance is incredible at f1.9

The A7S is a pretty nice DSLR, especially for time lapse work, but for Hyperstar use I think you are still better off with a 'can' shaped, cooled CCD. You are looking at over AUD$3000 for a modified Sony DSLR landed in Aus, that can get you a pretty nice 2nd hand CCD.

I'm looking forward to Sony's rumoured new sensor tech...
http://www.gizmodo.com.au/2014/11/le...future-cameras
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  #44  
Old 14-11-2014, 01:29 PM
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Quote:
Originally Posted by Poita View Post
The hyperstar is doing most of the work, I have one on a C14, and the performance is incredible at f1.9

The A7S is a pretty nice DSLR, especially for time lapse work, but for Hyperstar use I think you are still better off with a 'can' shaped, cooled CCD. You are looking at over AUD$3000 for a modified Sony DSLR landed in Aus, that can get you a pretty nice 2nd hand CCD.

I'm looking forward to Sony's rumoured new sensor tech...
http://www.gizmodo.com.au/2014/11/le...future-cameras
Cheers for the link Peter. How come you're selling off your Hyperstar?

Edit: Sorry - read your EOI post just now. Hope you're well enough to keep doing some form of astronomy, or that you get better soon.

Last edited by LightningNZ; 14-11-2014 at 06:27 PM. Reason: I missed a post.
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  #45  
Old 14-11-2014, 01:49 PM
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that is a very interesting sensor development if true.
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  #46  
Old 14-11-2014, 02:40 PM
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cometcatcher (Kevin)
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Good onya Simon. Definitely looking forward to your images from it.
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  #47  
Old 14-11-2014, 04:39 PM
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Here's a useful noise comparison pic, shows typical DSLR noise, no magic reduction IMHO.

Before cooling though

The link
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