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Old 08-05-2008, 09:49 PM
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peeb61 (Paul)
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C/2007 W1 (Boattini) May 8th

Hi,
Took this image of C/2007 W1 (Boattini) tonight (08/05/2008).
It's a 10min exposure at 1600iso taken with Canon EOS 350d Prime focus with my skywatcher 102mm, piggybacked on my 10"LX200gps and autoguided with a DSI. I used a 2" Broadband skyglow filter.

Processing was brightness/contrast adjustment, I used Noiseware and cropped the image.

Just below the comet to the left there is a faint galaxy. (Lots in this area so at this stage I cannot identify.)

Boy this comet is getting bright!!!

Paul
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  #2  
Old 08-05-2008, 10:25 PM
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h0ughy (David)
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great image Paul
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Old 09-05-2008, 04:27 AM
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iceman (Mike)
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Nice one Paul. Are you guiding?
10 mins looks too logn for the comet now, you can see it's a horizontal line now instead of a point.

You should really reduce your exposures to 3-5 minutes and do more of them to stack.
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Old 09-05-2008, 11:13 AM
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edwardsdj (Doug)
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Nice image Paul. I'd be thrilled to capture this comet.
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Old 09-05-2008, 11:56 AM
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rogerg (Roger)
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Nice image overall. I agree with Mike that the exposure time would be better dropped. I've been doing 30 and 60 second exposures with this comet, but that's CCD so quite different, still, I'd expect surely 3 min would get the comet well and you'd probably end up without nucleus trailing.

Colour looks very blue but perhaps that's correct, I wouldn't know. And slight edge distortion which is a shame, but ya get that

As I said, overall looks nice
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Old 09-05-2008, 04:33 PM
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peeb61 (Paul)
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Thanks again everyone for your words of wisdom.

I posted this image from my observatory, it was the first image of the night.

One of my aims was to try and push the boundries as much as I can, with contrast and colour against the background stars and trying to capture some of the many faint galaxies along with this comet. (I got one at least)

I did however manage to capture 10x3 minute exposures during the course of the night. by the time I'd finished it was fairly late and being a work night had to 'hit the sack' and leave the processing and stacking for another time.

We will see how they turn out.

Paul
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Old 09-05-2008, 05:18 PM
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Ric
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Very bright indeed Paul, a lovely capture. I njoyed that little galaxy as well.

Cheers
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Old 09-05-2008, 05:37 PM
Alchemy (Clive)
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good to see another comet, particularly a slowish one. hope it puts on a show, have to have a squiz. the last one Holmes was too low from my location
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Old 09-05-2008, 06:15 PM
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rogerg (Roger)
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Quote:
Originally Posted by peeb61 View Post
One of my aims was to try and push the boundries as much as I can, with contrast and colour against the background stars and trying to capture some of the many faint galaxies along with this comet. (I got one at least)
Pushing the boundaries, good stuff what I like to hear The 10 min exposures make sense then, all adds up now
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  #10  
Old 09-05-2008, 09:23 PM
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peeb61 (Paul)
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I think I've managed to identify that little or not so little galaxy.

Object name: NGC 3233 Magnitude:12.6 Size:1.8'x0.9' Position angle:140°

Now thats pushing it!

Paul
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  #11  
Old 09-05-2008, 10:37 PM
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Matty P (Matt)
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Great image Paul, I would be very happy with that.

I really like how you were able to capture a faint galaxy as well.

Well done.
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