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Old 15-08-2017, 12:45 PM
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Marke (Mark)
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Helix my first attempt at it ... Repro

Spent the last couple weeks when clouds permitted collecting data on Helix not expecting much as a result from the backyard . I think it turned out better than I expected in fact I was happy to get anything that remotely looked like it ... bit of LP to remove and some slight gradients I will work on that
Total was 6hr Ha 3hr O3 180s exposures GSO RC10 , ASI1600

Added a bit more Ha and reprocessed ... found something I had been doing wrong getting much better results now
link to better image
http://www.astrobin.com/307705/0/
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Last edited by Marke; 18-08-2017 at 08:45 PM. Reason: repro
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Old 15-08-2017, 01:58 PM
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billdan (Bill)
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Helix looks pretty good Marke, I would be pleased with that.
You probably need another 6 hours of Ha to get those outer shells to reveal themselves.

Cheers
Bill
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  #3  
Old 15-08-2017, 02:19 PM
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graham.hobart (Graham stevens)
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helix

that's lovely. How are you finding the ASI?
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Old 15-08-2017, 02:36 PM
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Marke (Mark)
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Quote:
Originally Posted by billdan View Post
Helix looks pretty good Marke, I would be pleased with that.
You probably need another 6 hours of Ha to get those outer shells to reveal themselves.

Cheers
Bill
I will get some more time on it but I'm limited by background light levels unfortunately
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  #5  
Old 15-08-2017, 02:38 PM
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Marke (Mark)
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that's lovely. How are you finding the ASI?
Thanks Graham very happy with 1600 its very sensitive I did find some amp glow with this image for some reason that I hadn't noticed before.
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Old 15-08-2017, 02:54 PM
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strongmanmike (Michael)
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Yeah, that's pretty good Marke, I like the way you have managed to show both the radiating fan like OIII structures and also squeezed in the Ha globule details too, not easy

Mike
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Old 15-08-2017, 03:07 PM
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Yeah, that's pretty good Marke, I like the way you have managed to show both the radiating fan like OIII structures and also squeezed in the Ha globule details too, not easy

Mike
Thanks Mike its probably let down a bit by my post processing I will be playing with it for awhile I think
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Old 15-08-2017, 04:29 PM
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Very nice perhaps a tad black clipped? (perhaps its my monitor).

Greg.
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Old 15-08-2017, 06:31 PM
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Very nice perhaps a tad black clipped? (perhaps its my monitor).

Greg.
Think it's from the high jpeg compression it went a bit posterized on saving
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Old 15-08-2017, 09:08 PM
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RickS (Rick)
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Nice work, Mark! Just keep adding data
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  #11  
Old 15-08-2017, 09:15 PM
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Marke (Mark)
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Nice work, Mark! Just keep adding data
Thanks mate most likely will as it is only just rising of an evening
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Old 15-08-2017, 09:19 PM
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Raydar (Ray Palmer)
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Nice result Mark.

Ray
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  #13  
Old 15-08-2017, 09:43 PM
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traveller (Bo)
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Nice one Mark.
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Old 15-08-2017, 10:11 PM
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Atmos (Colin)
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You must be shooting at quite an image scale with that setup Mark. The results are rest, as others have said, just keep adding
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  #15  
Old 15-08-2017, 10:25 PM
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Thanks guys I may keep working at it
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  #16  
Old 15-08-2017, 10:27 PM
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Quote:
Originally Posted by Atmos View Post
You must be shooting at quite an image scale with that setup Mark. The results are rest, as others have said, just keep adding
It's at 10" f5.5 with the asi1600 I'm at 0.56 sampling
It seems to work ok for small fov
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  #17  
Old 16-08-2017, 07:53 AM
DJT (David)
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Looks good Mark. One of those NB targets where you can just keep pumping away grabbing data to your hearts content. More Oiii whilst the moon is away would be good.
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  #18  
Old 16-08-2017, 08:30 AM
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Looks good Mark. One of those NB targets where you can just keep pumping away grabbing data to your hearts content. More Oiii whilst the moon is away would be good.
Thanks David that's probably what I will be doing
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  #19  
Old 16-08-2017, 09:14 AM
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Well done Mark I love that radial filament detail that's starting to come out in what I suppose we should call the iris. Just like the human eye !

Best
JA
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  #20  
Old 16-08-2017, 10:55 AM
Placidus (Mike and Trish)
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Very respectable.
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