These last couple of weeks, I've been able to get some time on the Lion Nebula with my ASI533MM astronomy camera and Rokinon 135mm lens. One thing I love about the Roki is the starfield it's able to capture. For whatever reason, it captures so much more star glow than some of the other telescopes I've used, and it makes it such a pleasure to process!
One thing I've learned from this project is to save all of your Oxygen acquisition time to when the moon isn't out. The Oxygen channel accumulates much more moon glow, washing out the blue channel, compared to hydrogen which can cut through all of that extra light!
3 years in, and there's always more to learn!
More on my Insta: Gateway_Galactic
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Bortle: 7
Total Acquisition: 18.5 hrs
Hydrogen – 74 x 300s
Oxygen – 110 x 300s
Red – 12 x 300s
Green – 13 x 300s
Blue – 13 x 300s
Gear:
Camera: ZWO ASI533MM
Scope: Rokinon 135mm
Mount: Skywatcher GTi
Processing:
BlurX/StarX/NoiseX
H-O-O Color Combination
Seti Astro Auto Dynamic Background Extraction
Stretch RGB Stars via Histogram Transform
Stretch Nebula via GHS
Import to PS
Camera Raw
Screen RGB Stars
by dunmbunnz
2 Comments
Bravo, nice work, I really like this. That lens is crazy good, I always wanted to get one but I am not sure what to choose if I ever decide to go widefield, that lens or Askar FMA180. I wanted to buy mono as my first dso camera after DSLR but was intimidated by the amount of work you need to put into the projects so I went for 533 color senzor instead and now waiting for Askar’s c1 & c2 filters for future projects.
Incredible!