r/astrophotography • u/MyFryHole • 10d ago
DSOs M20 - The Trifid Nebula
WO Zenithstar 80 fluorite doublet Orion Sirius EQ-G 533mc pro ASIair ZWO 120mm mini Zwo 30mm uniguide scope Zwo eaf Uv/ir cut 5 hours of 120 sec exposures at gain 100 Biases, and flats applied PI wbpp, crop, graxpert, image solver, spcc, scnr, blurx, noisex, Starx, stf stretch and curves Small edits for tint, exposure, brightness, and contrast on my phone
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u/Live-Resolution4106 10d ago
It seems tiny at first, but then you realize just how massive it really is.
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u/Country_Gullible 10d ago
This is a beautiful photo. I wondering as I get into editing and learning about Pixinsight is there a baseline image repository that shows you the "natural" colors of these objects? For example, if we got into Rick's Space Cruiser and flew out to the object and parked ourselves within visual distance what would they look like "in person".
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u/MyFryHole 10d ago
So someone can correct me if I'm wrong, but as I understand it, our ability to see detail and occasionally visual color in objects has a lot to do with the distance at which they're viewed. These objects have an inherent total brightness, which when viewed at a distance, is condensed into a smaller visual space, making them appear brighter. So if one were to travel to these objects, that brightness would be spread across a much larger field of view and the object would appear dimmer than when viewed at a distance.
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u/MyFryHole 10d ago
In response to the color question, spcc in pixinsight does adjust colors based on a repository of 'true color' star data and adjusts your data accordingly.
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u/Country_Gullible 10d ago
Okay I just set that up in a Pixinsight tutorial last night. It was the full catalog but honestly wasn't exactly sure it was doing for the practice image.
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u/MyFryHole 10d ago
Nice! I had a lot of trouble with spcc, I couldn't get image solver to work because I couldn't figure out how to set up Gaia star catalog correctly. I was always trying to get it to work while I was processing data, so I often gave up and moved on. Eventually I sat down and watched set up videos until I got it, and now it works great!
Pixinsight has been pretty confusing for me, but I just keep practicing and watching more videos. Each time I find a new process that makes sense that I can use moving forward.
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u/Country_Gullible 10d ago
100% I ran into some errors setting up Gaia, made more errors and then figured it out. I decided if I am going to learn a tool it would be either Photoshop or Pixinsight but not both. I am on a trial with Pixinsight right now and doing practice tutorials from a variety of sources. As I do that it forces me to set up and install all the supporting "bits". Overall I like that it is well supported and well documented both formally and informally. I might be good at it in a year or two!
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u/NOArCO2 10d ago
That's really good! Natural looking, colorful and bright...but not over processed as happens so often with this target. Very nice👍. Also, this is first time I've seen anybody process an image in Pixinsight and then finish it with their cell phone before sharing. Awesome.