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Old 15-03-2008, 02:40 PM
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M42 and Running Man

Hi All,

I took advantage of clear skies on Tuesday to make a start at deep space imaging. Please find attached, my first decent image of M42 and NGC1977. Comments welcome of course!

ED80 prime focus
Canon 400d unmodded 800ASA
EQ6, EQMOD, Cartes Du Ciel.
Deep Sky Stacker
Levels in Photoshop 5 LE

It's worth noting that all the above software is freeware. Even PS5 LE was provided 'free' with a Canon G2.

The image is a bit noisy. I think I need to take more subs at lower ISO.

Cheers,

Rob
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Old 15-03-2008, 02:49 PM
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Matty P (Matt)
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That is a beautiful image of M42 Rob. The colour looks great and there is a lot of detail showing. Very well done.

How long were the exposures you used for this image?
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Old 15-03-2008, 02:53 PM
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iceman (Mike)
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If that's your first image, it's a bloody good start!

Well done.
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Old 15-03-2008, 02:54 PM
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acropolite (Phil)
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That's a fantastic image for a first effort Rob.
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Old 15-03-2008, 03:12 PM
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RB (Andrew)
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Off to a great start Rob, looking good !
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Old 15-03-2008, 03:15 PM
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Astrod00d
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Quote:
Originally Posted by Matty P View Post
That is a beautiful image of M42 Rob. The colour looks great and there is a lot of detail showing. Very well done.

How long were the exposures you used for this image?
Hi,

I wasn't using a guider, so exposure time was limited. The image was made up from 5 x 40 second exposures at 800ASA. Longer exposures resulted in visible star trails. Subs were stacked using Deep Sky Stacker at default settings. The levels were then stretched as much as I dared using Phtoshop.
I owe a lot to the members of this forum. The images and advice posted on this site are both challenging and encouraging.

Cheers,

Rob
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Old 15-03-2008, 04:06 PM
jase (Jason)
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As others have mentioned, a good start Rob. Watch out for black clipping as it would appear you've lost some valuable data in the fainter regions. Keep in mind that in PS, the levels and saturation tools stretch the data in a linear fashion, Curves and shadow/highlights tools are non-linear - use them to your advantage. Look forward to seeing more.
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Old 15-03-2008, 04:55 PM
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Thanks Jase, I'll work on that. So far, I've only adjusted levels. I'd better learn how to use the curves tool next.

Cheers,

Rob
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Old 15-03-2008, 08:42 PM
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h0ughy (David)
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nice start -look forward to more
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