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A very quick update to the Nastronomy
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smart telescope pre-processing script. A
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few days ago, we released version 2.0.3
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that included a very new feature that
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saves time and space for your computer,
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which is the ability for the script to
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use compression. And that resulted in
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some issues with people who either had
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the script crash on them or maybe they
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accidentally killed the script or they
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killed the script on purpose because
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when the script starts it sets the
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compression to be on and then by the
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time it finishes at the end it turns it
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off. So if you don't let it finish if it
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doesn't get to the last step for one
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reason or another it stays on until you
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turn it off manually. So in version
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2.0.4 it's now an option. So now use
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compression is a checkbox. So if you
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turn it on, it'll use compression and
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then it'll turn off by the end. But the
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thing to keep in mind is that if you do
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use compression and then serial crashes
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or the script crashes or something
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happens and you have to kill the script,
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compression will still be on if it
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doesn't completely finish. So, if that
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happens, the what you need to do is go
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to preferences
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under fits options on the left side and
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you'll see a fits compression section
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here and you check it from enabled. Set
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it to none and then it'll no longer be
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compressed. So, I'll show you what I
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mean. So, I have this here. So, I'm
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using compression right now. My
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compression is currently off.
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And I'm going to click on run. And it
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was going to delete my old process
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directory. So while it deletes it, I'm
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actually going to click here, stop, and
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then stop the Python script from
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running. So let's let it finish. There
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you go. So there you go. It failed to
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send response because it didn't finish.
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So if I look at my working directory
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here in the process, you'll see that I
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have fits.fz file. So the fc is the
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compression file extension. And if I go
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to serial and I look at preferences,
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you'll see that fits is now enabled. So
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if this happens, just click on none and
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then re or disable it.
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But the other enhancement that I made
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here is so if I go back to my working
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directory, if I turn on the script,
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which again is go to pre-processing
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smart telescope pp.py, if I run this
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again without checking this box, like I,
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you know, so for some reason compression
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didn't work, and I forgot to turn off
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preferences. If this stays unchecked,
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it'll actually
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So I'm going to kill this again. Stop.
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If I go into preferences, it actually
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turned it off, right? So, I made it so
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that if you run the script with it
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checked, it'll turn it on. If you run it
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with without it being checked, it'll
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turn it off. So, I'm hoping that'll
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clear up some confusion. But again, it's
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really good to know how to turn it off
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and on manually. Um, and as always,
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thanks to the people who have reported
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it. Thanks to Rich from Deep Stay Aster
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from saying that people are reaching out
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to him for support on this as well. I
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had two people between yesterday and
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today say that hey you know the the
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compression never turned off. So yes if
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the compression if the script doesn't
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finish it won't turn off. Just wanted to
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let you know. The other thing I it's a
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minor fix to this is if I run the script
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again in version 2.0.2 I made it so that
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if you selected Celestron Origin SPCC
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was disabled. I accidentally
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undid that work in version 2.0.3 because
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of uh logic somewhere. So now it's fixed
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again in version 2.0.4. So if you're
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using Celestron Origin, you cannot do
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SBCC just because it allows multiple
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cameras and it's just it just becomes me
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reinventing the wheel. So it doesn't
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take much longer to just go to image
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processing, color calibration, spectra
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photoometric color calibration, and just
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doing it manually.
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And it's a post-processing step anyway.
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This is a pre-processing script. But
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anyways, thanks to all of my Patreons,
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patrons on Patreon, buy me a coffee
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supporters and YouTube members. You're
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all amazing. If you'd like to support me
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and the work I do, please check out the
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links in the description below. Thank
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you all and until next time, clear
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skies.7758
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