Lagoon Nebula WITHOUT a Star Tracker or Telescope, Part 2a - DSS and GIMP

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Twitter: @nebulaphotos
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[jefftimmons]

Thank you so much Nico for your effort creating this GIMP tutorial, you are one of the best teachers I've seen. I keep coming back to your videos for help with image processing.

[progshark]

I bought an EOS R in May with the idea that I was going to shoot night time-lapse with landscapes. I didn't know I wanted to do DS until I happened upon your channel. I have been watching your videos ad nauseum (along with Astrobackyard and Astrobiscuit) and tinkering with the tools in your tutorials. After 3 tries I finally got the North America Nebula centered and a finished image I am happy with thanks to this and other videos. No award winner, but a detailed image 5 nights after the shortest night of the year at 48º+ latitude, a moon that was 2 nights after full, with an unmodified camera and no LP filter in a Bortle 4. I did use a tracker, but I'm not so sure I have it dialed in yet. Would not have been able to make a viewable image without your detailed post processing videos.

Thanks For all the work you do to help us noobs.

[kylecormier]

Thank you for showing what type of editing you can do using gimp. I know that many people use Photoshop but gimp is very powerful, and free, which is an added bonus.

[anujitmaity]

Sir lots of love from india.
Plz make more more astronomy tutorials.
Plz make them on dslr+star tracker+ DSS+ gimp
Many of us only use this object and softwares.
Plz sir make more and more capturing and editing videos on this things.
Want to see more nebula and clusters of Messier series.

[Jason-qtbm]

Thanks for the Lagoon Nebula video series. I've improved a bit with my capturing skills, and hope to try again once the Moon scoots out of the way. clear skies!

[paul_herts]

I so wish I could escape the light pollution - I have the London night glare between me and this sky 😞 Love the videos you do, I have learned so much and use your techniques to drag some detail out of my skies. Off to watch the photoshop version now 👍

[Boekoe]

I was like....why would you remove the stars. But holy moly well done!

[Multimen]

Hi Nico thanks for inspiration start shot some deep sky fotage, my first stack from milky way using only light frames and 85mm lens f/1.8 are inpresiv i am realy happy to se that 92 2s shots looks amaizing, but i dont finde more StarNet++ online do you know where i can download ?

[GrowingAnswers]

Somewhat new to AP here. You do a great job with your videos. I’ve spent hours upon hours researching and learning about all this stuff. I have taken several deep sky photos already with my 55-250 canon stm kit lens. I’ve got fairly decent results with my canon 70d. Ive been on the fence about whether to get an apo like the Astro-tech line or the sigma 150-600. I only plan to use the sigma 150-600 at 300-400mm for Astro on my skyguider pro. I’m just wondering if the results from either choice would be comparable or at least difficult to discern the difference. I know the 150-600 has a f stop of 5.6 at around 380mm and that lens actually performs best at the focal length. I have followed peter z on his channel who uses the sigma too. Do you think there is a significant optical advantage with the apo vs the sigma?

[sammorgen]

I'm going to try this whole process with the last pictures I made. I still need know more about Photoshop to process my images right. Do you know anything about Canon T6 being iso invariant?

[astrostar_clearski]

Hi. Im in Bortle 5. I can not see the milkyway, will a filter help me with that? I have a canon 600D Stock. I just want to see the milky way, so i was thinking that there must me a filter for me to get away from the light in my bortle 5? No led lights here where i Live. Old lights on the country :)

[markmontessr]

Hi! I’m new to all this, so I’m totally lost! 😐 I’m trying to find out which adapter I need to connect my A6000 to a Celestron C1100. Can you help me? Thanks, Mark

[anikettripathy]

I was wondering how to find out the sweetspot iso of my camera..can u tell me how to figure out ? I have canon rebel T2i..and how much shots shots should be fine..I live in bortle 6ish scale

[christophermeglino]

I was wondering if this is a fixable issue or not, I'm shooting from Brooklyn which is Bortle8-9 and facing down the street where there are quite a few streetlights, cars, etc. I shot the milky way core with jupiter and the resulting image turned out fine except for this roundish light patch over the left side, and it's not near the top or bottom. Same thing happened when I tried to shoot the Cygnus area. Is this a result of lights, or is it something I'm doing?

[kartikrana]

will try these tomorrow, , wish me luck :)

[rickcudmore]

I downloaded Starnet++ for windows but when I right click run_rgb_starnet.bat, I don't have an option to open with. I only have open. Not sure how to make the changes for the lagoon file for starless. I checked the read me file and the .bat extension is correct, .sh must be for mac?

[nathantan]

Would you recommend gimp over photoshop for editing nebulas?

[ryannack]

Hey Nico, I recently tried processing an image I took of the Pleiades, when I applied color balance so that all three color channels were more or less in sync on the histogram, the stars still had a greenish tinge to them. Any tips on how to correct that without affecting the background color, or would I have to just get the stars to the color I want and then use Starnet to reset the background black levels?