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Astrophotography Image Processing Tutorial (Photoshop)



Deep Sky Astrophotography Image Processing Tutorial

Download My Image Processing Guide ? https://sellfy.com/p/0zsyyq/

In this Photoshop Tutorial, I’ll guide you through the steps I take in Adobe Photoshop to process my astro images.

You can follow along with my techniques by downloading my RAW unprocessed image of the Soul Nebula here: https://astrobackyard.com/astrophotography-image-processing-challenge/

Astrophotography Resouces (Astronomy Tools Action Set and Gradient Xterminator):
https://astrobackyard.com/resources/

Telescope Used: Meade 70mm Quadruplet APO
Mount Used: Skywatcher HEQ-5 Pro
Camera Used: Canon EOS Rebel T3i (Modified)

Affiliate Links:

Some of the links in my video descriptions are affiliate links, which means at no extra cost to you, I will make a small commission if you click them and make a qualifying purchase.

For more tutorials and astrophotography tips please visit my blog: http://astrobackyard.com/

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43 comments
  1. Thanks Trevor. I just copied 1 image of omega Centauri I took last night 16 times, did a few darks and biases today and this process worked a treat on that 1 image! Cheers from a noob ?

  2. Now im dying to know what that file named "HOLY SHIT" is in his nebulae folder! Awesome tutorial though, followed it step by step on my totally noob astrophoto of pleiades taken in my backyard in the middle of the city, amazing how much detail I could pull from this photo

  3. Well…2 weeks ago I could not make sense of this. Since playing around with PS and watching various other tutorials I am able to follow. Your work flow is artistic, which I like. Thanks.

  4. The stamp thing seems… wrong. Wouldn't something like smart objects or grouping w/ clipping be a better option?
    The Only reason I can think of doing it that way is to prevent conflict with filters commands.

  5. The funny part is I’m new to this and I had a friend who recommended your video this one in particular I certainly don’t know how in the name of God he would expect me to be able to grasp all of this at the speed it’s going

  6. I’d have to have eyeballs like the flash to be able to follow how fast you click on everything pretty hard for a beginner to understand what you’re doing

  7. Hi Trevor, videos are great! A question… in a curves layer you pick a point on the line and can move it up/ down or left or right. I get what the up/down movement does but what is the effect of moving a point left/right? Can't find the answer anywhere.

  8. Hi Trevor, loving the videos. This is an older one but it's helping me…question though. When you were moving your slider around and setting values, what made you decide specifically on "19" for the black & "248" for the white (around 5:00 on video). Very curious why you chose those specific numbers.

  9. Id love to see a short tutorial on how you prepare to upload to Facebook. I know it has a lousy compression algorithm but no matter how hard i try, resizing etc theres always posterisation present whereas yours always look spot on…?

  10. Took me an entire evening to go step by step and follow along but it was really worth it. A little bit slower would be nice but I would have stopped every few seconds anyway to listen twice and try to understand things rather than just copying every click. Thank you so much, I got really hooked up!

  11. Hi Trevor
    Great video – can you or anyone tell me – when using the colour sampler tool you select a black and white point – how do you select each one separately when adjusting? – I can adjust the RGB TO 19 on the blacks but no chance of adjusting the Whites to 248 like you show in your video?

  12. Coming from Lightroom, I'm still getting my head around alot of this but this video was really great. Thanks for sharing

  13. Bro, you are just verbalizing what you're doing, this is not a tutorial, and when i look for tutorial with Photoshop i'm not expecting to hear "i got this plugins for about 50$". It is a good Flow, name it an Astrophotography Video, but don't say this is a Tutorial, every step way to fast. And one more tip, Don't drink or eat during tutorials!

  14. It looks like a cartoon cat ? nebula after the rotation. I cannot appreciate the value added of last 30 minutes after initial stretching. I guess I should try it myself and see.

  15. please can you tell us which version of PS You are using. Mine is PS CreativitySuite; of 2005.
    Do You use additional add-up to Photoshop and if so which are these?
    Thank You for kind answer.

  16. Pretty sure you guzzled at least three Red Bull’s before recording this. Would’ve loved to have been able to follow along. ?

  17. This is a really good tutorial. I don't have the Astronomy Tools Actions Set and yet by following the curves, levels, saturation and vibrance steps on my backyard astrophoto it improved like 200% Thanks for your good tips and good pace in the video. Clear Skies!!

  18. Hi first of all thanks for making the effort.
    But I am a beginner and I can't follow al your swift moves.
    You need to slow down man.
    I hope you will make a slower version because I could learn a lot .
    Please in your comment mention the how and why about the numbers.
    Cheers for now. Waiting for a slower version. I really tried to keep up with pauses and playbacks . There is just no way I can keep up.

    Martin

  19. I know this is an old video of yours, but thank you for taking the time to post this tutorial. This makes me want to go back through all my old data and redo everything.

  20. I'm totally new to astrophotography processing. I stacked my 150 images of Andromeda Galaxy with darks and bias. I imported them into Photoshop, but when I went to stretch them all the data was way on the left, even though I can plainly see the galaxy in each of the light frames. And since it was all agaonst the left, I couldn't use the sliders to stretch the image. Very frustrating. Any suggestions?

  21. Hardly a tutorial when you're just ripping through the process with no explanation as to what you're doing or why. It's a good video to show what stretching can do.

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