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Patrick
Postmaster
   
Reged: 05/16/03
Posts: 6589
Loc: Franklin, Ohio
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Hi all,
I have a Meade DSI-C camera and am wondering how well it performs as a planetary camera. I plan on using my 6" SCT as the telescope and will probably use a 2x barlow as well.
I have a MacBook and will most likely use Nebulosity for capture, but if anyone has any other suggestions I'm open to that. I can run the MacBook in Windows XP mode if I want to run a Windows program...looking for suggestions there as well.
Thanks in advance!
Patrick
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Discovery 10" f/6 Split Tube Dob
Celestron C6S-GT SCT
Denk Binoviewers
AT66ED Refractor
Oberwerk Ultra 15x70 Binocular
475B Geared Tripod & 501HDV Head
Oberwerk 9x60 Binocular
Celestron Regal 8x42 Binocular
Canon 30D DSLR
My Astronomy Pages
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tim53
sage
Reged: 12/17/04
Posts: 287
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I have a DSI Pro. I've only used it on my HP laptop, but I did download Nebulosity to try running it on my Macs. Just haven't tried it yet.
I did experiment with it on Jupiter a few years ago. The biggest problem I see with it (and presumably with the DSIc as well), is that it's an interlaced video ccd. So, the interlaced lines are downloaded just after the first set, but they're combined into a single image. If there's any seeing motion at all (and there always is at those image scales), the planet will be sliced up like looking through venetian blinds, with the alternate images not lining up.
As far as I can recall, the Autostar software doesn't have a de-interlace capability. If it did, it would have to do it after each image is taken and before any are stacked (one of the niftiest features about the software, is the stacking while shooting a sequence), or you'd wind up with a blurred result.
My experiences aren't recent, though. And maybe the software has been upgraded to take this into account? (better would have been to use a progressive-scan ccd in the first place).
-Tim.
-------------------- "We`re just waiting looking skyward as the days come down.
Someone promised there`d be answers, if we stayed around."
-Orchestral Maneuvers in the Dark, "The Romance of the Telescope"
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nik59
member
Reged: 07/07/08
Posts: 20
Loc: RUSSIA
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I have DSI-pro. I photographed planets with its(her) help. The result is unsatisfactory. Planets turn out "striped". I recommend camera DMK21AF04. AS.
-------------------- LX200 10",LXD500 8",Celestron 80 mm ED,TAL-2 150 mm,DMK 21AF04,DSI-pro,LPI,NexImage,Philips-900,Celestron 25*100mm Skymaster
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jgraham
Postmaster
   
Reged: 12/02/04
Posts: 5039
Loc: Dayton, Ohio
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I've always found the image from the DSI to be a bit soft for planetary imaging, but its high sensitivity and 16 bit color depth could be interesting. This is a loink to a page on using the DSI Pro for high resolution imaging..
http://www.h-alpha.dk/dsipro.htm
Also, the DSI III's are not interlaced so they should work very well.
-------------------- -John
================================================
Homebuilt scopes from 4.25-16.5"
Meade LXD75-N6/SN6/SC8, DSX-90, ETX-60BB, ETX-125PE, DS-2130
Orion StarBlast, BinoViewers, Coronado PST
Rebel XT/XTi, DSI Pro, DSI, LPI, Electronic Eyepiece, Phillips SPC900NC
Tasco 60mm Refractors
Edited by jgraham (07/18/08 04:35 PM)
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tim53
sage
Reged: 12/17/04
Posts: 287
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John:
That link is very helpful. I have Photoshop, and it does indeed have a de-interlace function, under "video" in the "filter" pull-down menu.
The DSI-IIIs are very interesting, though pricey compared to the DSI-Pros. It might be fun to try one of these with an Outback TEC mod. (primarily for DSOs).
-Tim.
-------------------- "We`re just waiting looking skyward as the days come down.
Someone promised there`d be answers, if we stayed around."
-Orchestral Maneuvers in the Dark, "The Romance of the Telescope"
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Patrick
Postmaster
   
Reged: 05/16/03
Posts: 6589
Loc: Franklin, Ohio
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Thanks everyone...sounds like the Meade DSI-C will be used for autoguiding, not imaging.
--------------------
Discovery 10" f/6 Split Tube Dob
Celestron C6S-GT SCT
Denk Binoviewers
AT66ED Refractor
Oberwerk Ultra 15x70 Binocular
475B Geared Tripod & 501HDV Head
Oberwerk 9x60 Binocular
Celestron Regal 8x42 Binocular
Canon 30D DSLR
My Astronomy Pages
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jgraham
Postmaster
   
Reged: 12/02/04
Posts: 5039
Loc: Dayton, Ohio
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Wellll, don't let our opinions stop you from trying...
Below is a quickie little 3x1 mosaic of the moon taken with a Meade DSI at the prime focus of an LXD75 N6.
-------------------- -John
================================================
Homebuilt scopes from 4.25-16.5"
Meade LXD75-N6/SN6/SC8, DSX-90, ETX-60BB, ETX-125PE, DS-2130
Orion StarBlast, BinoViewers, Coronado PST
Rebel XT/XTi, DSI Pro, DSI, LPI, Electronic Eyepiece, Phillips SPC900NC
Tasco 60mm Refractors
Edited by jgraham (07/20/08 01:07 PM)
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