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Old 07-12-2019, 04:24 PM
brisen (Brian)
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Horsehead in Ha

I have added to the 12.5 hours of Ha data that I had on the Horsehead to take it to 18 hours in total. I was intending to get more data then this but the weather has other plans and I have another NB target that I want to work on over the next new moon if the weather is clear.

Processed with PI but I need to get some more practice with processing just Ha.

The link to the larger version on Astrobin is https://astrob.in/full/ckkoab/0/

Brian
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Old 07-12-2019, 04:29 PM
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miki63au
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Woah, very sharp Brian. Did you use the 12" RC?


Mick
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Old 07-12-2019, 04:35 PM
brisen (Brian)
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Quote:
Originally Posted by miki63au View Post
Woah, very sharp Brian. Did you use the 12" RC?


Mick
Hi Mick

Thanks, no this was captured with the Esprit 120.

Brian
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Old 11-12-2019, 09:22 PM
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lazjen (Chris)
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That's a pretty good shot. Nicely done.
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Old 12-12-2019, 08:47 AM
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Hi Brian,
the detail in your picture is incredible.
It looks like going deep was worth the effort.

cheers
Allan
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Old 15-12-2019, 05:51 PM
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Nice one Brian. Love the FOV and contrast. 18hrs is a solid effort!
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Old 16-12-2019, 07:25 AM
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multiweb (Marc)
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Missed that one. Top shelf!
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Old 16-12-2019, 07:49 AM
brisen (Brian)
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Thanks Allan, Chris, Lee and Marc. I might yet have an opportunity to add some more data to this as it looks like we might have 3 or 4 clear nights later this week and my next target isn't quite out of the light pollution until a bit later in the night at the moment.

Brian
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Old 16-12-2019, 10:24 AM
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Atmos (Colin)
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A lot of fine detail showing up there, very smooth result but that’s where a lot of exposure comes in.
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Old 16-12-2019, 10:49 AM
brisen (Brian)
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Out of curiosity I ran both the integrated masters for 12.5 hrs and 18 hrs through the Subframe Selector process in PI when I was processing the image and the SNR Weight almost doubles with the extra 5.5 hrs and really moves the signal above the noise floor. I am curious to see what impact adding some more data later in the week does to the weights.

Brian
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Old 21-12-2019, 06:23 PM
Ross G
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A fantastic monochrome photo Brian.


Amazing details and sharpness



Beautiful tones and composition.



Ross.
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Old 22-12-2019, 10:41 AM
srmnm (Will)
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Outstanding shot!
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  #13  
Old 22-12-2019, 11:01 AM
brisen (Brian)
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Reprocessed Ha Horse with some extra data

I had an opportunity to add another 6 hours of data the other night in what was the best seeing I can remember imaging in from here - normally subs are around the 2.5" FWHM but I was able to get the majority of the extra 6 hours at between 1.7 and 1.9" FWHM.

The attached image is 24 hours total integration over multiple nights in the last 3 weeks. Taken with an Esprit 120 on an EQ8 using the Atik One 6.0 with Baader Ultra narrowband Ha (3.5nm) filter.

I have taken the processing a bit further this time in PI then the previous version.

A larger version at https://www.astrobin.com/cbrtw4/

Brian
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Old 22-12-2019, 11:02 AM
brisen (Brian)
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Thanks Ross and Will.

Brian
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