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09-March-2005, 04:51 AM
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Hi guys.
Here's some widefield constellation shots I took over the last few months, but only just got around to processing last night. They are all taken with Sony DSCP100 on a fixed tripod, 2 or 3 shots @ 15s (ISO400) stacked in registax, processed in photoshop. I can't do any longer than 15s, or any more than 3 stacked shots, otherwise I get star trails. Click on the image to go to the full version, with mouse-over labels. If the labels are already there, mouse-off to see what I mean Full-size versions are around 200k, and with mouse-over images, another 200k. Dialuppers take note. Pleiades and Taurus  Orion  LMC area  Carina area  Other widefield shots taken before these can be found on my widefield images page. Thanks, comments and feedback welcome.
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Mike . 10" GSO Dob . 11x70 Binos . IceInSpace - Aussie/NZ astro website and community forums http://www.iceinspace.com.au/logo.jpg 
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09-March-2005, 05:02 PM
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Thanks for posting.
Your camera is catching great wide fields of the sky. Its very nice to see the LMC. If you could piggy back your camera on a polar or equitorial mounted telescope, you could shoot longer or stack multiple images. Have you tried your camera out on a comet? There is currently a relatively bright one you can see from your location. C/2005 A1 ( LINEAR ) http://www.aerith.net/comet/weekly/current.html You might try analyzing the stars you see in your images and see how faint a magnitude you are picking up. I am going to look into getting a new digital camera that has a manual shutter to see what I can catch piggybacked from my scope.
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Heaven's Gate Observatory H47 32° 15' 59"N, 90° 51' 22"W http://www.quantumhyperspace.com/
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09-March-2005, 10:02 PM
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Hi Charles.
I have a dob-mounted 10" newt, so without tracking (or a barn-door tracker) i'm limited to my fixed tripod. I've just heard about this comet, i'm hoping to see it this weekend at the South Pacific Star Party, some very nice dark skies there and hope to get some more widefield shots too. I will definitely find out how faint my camera is picking up. Thanks for your comments.
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Mike . 10" GSO Dob . 11x70 Binos . IceInSpace - Aussie/NZ astro website and community forums http://www.iceinspace.com.au/logo.jpg
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