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CHDK for Astrophotography

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Offline eteny

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CHDK for Astrophotography
« on: 03 / November / 2010, 00:08:49 »
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CHDK cameras can be used for both planetary and deep-sky photography, and even for timing occultations (like eclipses). Kindly post your results here. Thanks!
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Offline leedsgreen

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Re: CHDK for Astrophotography
« Reply #1 on: 04 / November / 2010, 19:29:00 »
Here's my best moon, close up and M42 (Orion nebula). All taken with my a710is linked to 400m refractor (Skywatcher). CHDK essential for ability to program number of shots in each session (i.e. all images are stack of approx. 10-30 shots to reduce atmospheric disturbance and remove noise).

Thanks for looking,

Nick
« Last Edit: 15 / November / 2010, 12:07:27 by leedsgreen »
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Offline leedsgreen

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Re: CHDK for Astrophotography
« Reply #2 on: 04 / November / 2010, 19:29:33 »
5-day-old moon
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Offline leedsgreen

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Re: CHDK for Astrophotography
« Reply #3 on: 04 / November / 2010, 19:33:00 »
M42
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Offline jeffweiss9

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Re: CHDK for Astrophotography
« Reply #4 on: 24 / December / 2010, 14:52:54 »
Hi, I've just installed CHDK (Small) on my SX200IS in order to do some astrophotography but would like to know what scripts and procedures are recommended for that purpose.  For the SX200IS, CHDK gives me the RAW output capability and a range of exposure times beyond the standard 15s limit (I've been testing at 64s - TV64 on the OSD).  I'd like to be able to shoot a specified (or unlimited) sequence of long-exposures (15s for the camera just mounted on a tripod here on vacation) up to 2min or more if I mount the camera on the Vixen SXD mount that holds my telescope/CCD camera that I use normally for AP (with auto-guiding using my scope or just 'unguided' which means using the SXD guiding which is pretty good up to 2min or so).  I'd separately collect dark frames and do the processing with my normal AP software.
  I've noticed a bunch of scripts, in particular, lapse.lua, but since they seem to use the Canon standard exposure times, I'm wondering if they will work with the TV overrides from CHDSK, or override the overrides.
  Thanks for any inputs you can give on this.
-Jeff
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Offline eteny

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Re: CHDK for Astrophotography
« Reply #5 on: 05 / January / 2011, 09:03:22 »
Hi.. I was wondering if autoguiding capabiities are now included in CHDK.. im using S3IS.. thanks!
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Offline eteny

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Re: CHDK for Astrophotography
« Reply #6 on: 05 / January / 2011, 09:10:53 »
Image of the orion nebula taken using S3IS running chdk to achieve 120 seconds exposure :) Tracking is unguided. Thanks!
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Offline leedsgreen

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Re: CHDK for Astrophotography
« Reply #7 on: 05 / January / 2011, 16:23:56 »
That's beautiful Etena, particularly the different colours you managed to capture. Thanks for sharing!

Nick
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Offline eteny

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Re: CHDK for Astrophotography
« Reply #8 on: 06 / January / 2011, 23:23:20 »
Nice hi-res close up image of the moon! keep posting your results Nick, CHDK is indeed a powerful tool in astrophotography. Clear skies :)

Quote from: leedsgreen on 04 / November / 2010, 19:29:00
Here's my best moon, close up and M42 (Orion nebula). All taken with my a710is linked to 400m refractor (Skywatcher). CHDK essential for ability to program number of shots in each session (i.e. all images are stack of approx. 10-30 shots to reduce atmospheric disturbance and remove noise).

Thanks for looking,

Nick
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Offline morel

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Re: CHDK for Astrophotography
« Reply #9 on: 07 / January / 2011, 04:07:52 »
Could you give us some clues, how to set camera and telescope (or binocular etc) wihout using commercial adaptors? Is it possible? How to set focus? How to calibrate ameras lenses and telescope lenses?
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