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saturn 1-march 2007

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17 years 9 months ago #42434 by Gary Clarke
Replied by Gary Clarke on topic Re: saturn 1-march 2007
Well done Carl. Your best image of Saturn to date

Regards,

Gary.
Clonee Observatory D.15.

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17 years 9 months ago #42440 by Frank Ryan
Replied by Frank Ryan on topic Re: saturn 1-march 2007
Whoa!
Well done mate!
Thats a rockin image!

Is it my immagination or does that camera make things a little ' out of phase'
or just ...hard to describe...(not saying anything about your immage here carl)... but maybe ...2D almost?

Carl , actually....could you make the image a little smaller and cut and paste it inot a larger black background? just for the hell of it?
I think it would look WAY better!
(again...not taking from your brilliant capture)

:wink:

My Astrophotography
Shannonside Astronomy Club __________________________________________
Meade ETX-125PE, Bresser 10 x 50 Binos & Me Peepers

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17 years 9 months ago #42966 by dave_lillis
Replied by dave_lillis on topic Re: saturn 1-march 2007
A quick question Carl,
When imaging with this camera, did you find any difference when imaging at 30fps and 60fps, I'm just wondering is it worth going for those extra frames per second beyond 30.

Dave L. on facebook , See my images in flickr
Chairman. Shannonside Astronomy Club (Limerick)

Carrying around my 20" obsession is going to kill me,
but what a way to go. :)
+ 12"LX200, MK67, Meade2045, 4"refractor

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17 years 9 months ago #42984 by Seanie_Morris
Replied by Seanie_Morris on topic Re: saturn 1-march 2007

A quick question Carl,
When imaging with this camera, did you find any difference when imaging at 30fps and 60fps, I'm just wondering is it worth going for those extra frames per second beyond 30.


Would the higher frame rate not mean darker images, and thus more of them required for the stacking? I mean, isn't it correct in saying that at a quicker frame rate, means sharper, albeit dimmer frames, therefore, you might need almost doble the amount of frames to get the same bright image that would have been achieved at a slower (half) frame rate? Am I making sense?

:?

Midlands Astronomy Club.
Radio Presenter (Midlands 103), Space Enthusiast, Astronomy Outreach Co-ordinator.
Former IFAS Chairperson and Secretary.

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17 years 9 months ago #43001 by dave_lillis
Replied by dave_lillis on topic Re: saturn 1-march 2007

Would the higher frame rate not mean darker images, and thus more of them required for the stacking? I mean, isn't it correct in saying that at a quicker frame rate, means sharper, albeit dimmer frames, therefore, you might need almost doble the amount of frames to get the same bright image that would have been achieved at a slower (half) frame rate? Am I making sense?

:?

Yes, there comes a point where it becomes too faint to be usable as the signal to noise ratio goes bad, so you end up with a very grainy image.
What I'd like to find out is if the camera is capable at imaging with a big scopes such as Carls using a high focal ratio (3x barlows e.g.) and still have a bright enough image to work using 60 fps,. is the camera sensitive enough ?.
AND, if so, is there a noticeable difference between that situation and using 30fps in the image, pre and post processing, is the 60fps frame rate usable and worth the effort as many other cameras cannot run at that speed.

Dave L. on facebook , See my images in flickr
Chairman. Shannonside Astronomy Club (Limerick)

Carrying around my 20" obsession is going to kill me,
but what a way to go. :)
+ 12"LX200, MK67, Meade2045, 4"refractor

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