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Old 11-12-2007, 08:13 AM
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browndog (Ian)
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First go at the Tarantula

This is my first attempt at the Tarantula (NGC2070).

Image was taken using an unmodded 350d and C8 SCT. Autoguided using PHD and an 80mm achro + webcam. 30 x 2min subs and then stacked in DSS. Post processing in PS.

I recently purchased a 2" camera adaptor to reduce vignetting and it seemed to work as I didn't need to crop too much of the image during processing.

Wow this is a tricky nebula to process. Not too sure about the colour balance , but I would welcome any comments.
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Old 11-12-2007, 08:34 AM
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leon
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Ian for a first attempt you have done well, yep, that processing is a tricky business alright, I still haven't mastered it yet, but it is fun learning, well done.

Leon
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Old 11-12-2007, 08:58 AM
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Garyh
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Nice and sharp and well guided Ian but looks like you hit the curves or levels a bit too hard and maybe clipped some data of as well.
Try tweaking the luminance settings in DSS? before having another go in PS?
cheers
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Old 11-12-2007, 10:13 PM
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browndog (Ian)
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Thanks for the comments Leon - astro-imaging can difficult, time consuming, expensive, and frustrating... but I agree mostly fun learning as you go.

Quote:
Originally Posted by leon View Post
Ian for a first attempt you have done well, yep, that processing is a tricky business alright, I still haven't mastered it yet, but it is fun learning, well done.

Leon
Hi Gary - some good ideas. I tried repressing and being a bit gentler with curves and levels. Not too sure about tweaking DSS so I gave that a miss. Anyway I am a lot happier with the reprocessed image.

Quote:
Originally Posted by Garyh View Post
Nice and sharp and well guided Ian but looks like you hit the curves or levels a bit too hard and maybe clipped some data of as well.
Try tweaking the luminance settings in DSS? before having another go in PS?
cheers
Any comments greatly appreciated.
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Old 12-12-2007, 06:05 AM
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iceman (Mike)
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Nice result Ian - the 2nd processed one is infinitely better than the first - much better stars.. however the 2nd one is still probably a bit too blue.

Excellent result though!
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