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Advice on new computer for processing Generic equipment discussions · Dan Brown · ... · 29 · 1031 · 5

astrospaceguide 2.41
Josh Jones
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I had posted this on facebook a while ago, built a power rig here for work and processing astro photos, thought I would post the build sheet that is actually pretty reasonable for what it can do.

https://newegg.io/d2089eb

Some real world astrophoto numbers with this setup. First, I just have a standard PIxInsight install and Astro PIxel Processor for stacking. I did RC Astro tools since that is usually a good gauge of speed and leveraging CUDA.

APP Stacked (100) full frame 120Mb .fits images (Master Bias, Dark, Flat, and Bad Pixel Map used) = 6 minutes
PixInsight I processed using the power of the Nvidia and get these times.

Pix - NoiseX = 11.7 seconds
Pix - BlurX correct only = 24.6 seconds
Pix - BlurX full image = 20.2 seconds
Pix - StarX = 53 seconds
GradientCorrection = 3 seconds

Fast...
No overclocking here, in fact I have the video card throttled down to 90% for silent behavior. Entire setup could easily be overclocked though. I also could improve just by not using my older 4Tb disc drive and move to a SSD or PCIe for the astro photos.
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Gondola 8.11
Tony Gondola
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Oskari Nikkinen:
I've nothing to add to the already discussed PC spec topic, but on the topic of speed with WBPP i would say that you could try preprocessing with Siril and do the rest in PI. You would save some money if that was a concern, and it will still be much faster with the new PC should you get one.

Siril is at least 5 times faster with my PC, maybe more. My biggest image of 1517 subs wouldnt stack at all in PI (or APP), left it overnight and wasnt even close to done come morning after maybe 12 hours of number crunching. With Siril it was registered, normalized and rejection stacked in about 2 hours.

Along the same lines as above, a nights work of over 1000 files usually stacks in Siril in under 15 min. I'm not sure how long it would take with your data but I'm sure it would be a lot faster. It might be a worthwhile compromise to save over $4000.
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CCDnOES 8.34
Bill McLaughlin
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+1 on building instead of buying. The savings are large but you also have the ability to choose the best reviewed parts yourself.  I built one in the fall with a Ryzen 5950X, a 4080 super, an Asus Proart Mobo, 96 gigs of RAM and a couple of 4 Tb M.2 drives. Having that built would have been almost twice as much.

The other reason for fast is that you are more likely to avoid pc intensive processes if your PC is not fast enough and one can use all the processes one can get sometimes.
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Astromonkey 7.83
Aaron Lisco
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I was struggling with my Processing as well on my laptop….I bought a OMEN 45L gaming computer and cut my PI processing by 3/4 time what used to take an hour now takes 15-20min longest its taken even with a  hundred 6200mm pro files and all associated bias, flats, darks Etc…. is 38min….I am super happy with my setup


In my opinion and i firmly believe …..Time is the only thing we cannot buy….Buy COMPUTING SPEED it saves time and spend the money to do so you wont regret it!!!
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jimw85044 3.91
Jim Waters
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Jumping into this late.  If you do get a 128Gbyte PC consider setting up a 64GByte ram disk for PI.
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