The North America Nebula (NGC 7000 or Caldwell 20) is an emission nebula in the constellation Cygnus, close to Deneb (the tail of the swan and its brightest star). This nebula received its name because it ever so slightly resembles North America.
Image:
Equipment/Software:
- Nikon D90 (Astro-Mod)
- Sky-Watcher Star Adventurer
- Sky-Watcher Tripod
- Sigma 300mm F2.8 lens
- Bahintov Mask
- Intervalometer
- Laptop
- All Sky Plate Solver
- Sharpcap
- Stellarium
Acquisition:
- 65 x 3′ Frames – total around 3 hours integration time
- 250 bias frames
- 100 flat frames
- 62 dark frames
Processing:
- Followed a tutorial by Brandon Lewis, who use my data. Thank you! https://www.youtube.com/watch?v=P2hD5nJkNPw&t=63s
- RGB Split
- Combined G and B channels to make an OIII file
- DBE, Deconvolution, and Denoise
- Combined to make HOO image
- 1 more DBE for good luck
- Auto color script
- Histogram Strech
- Starnet++
- Quick Spot healing in PS to clean up artifacts
- Curves Transformation to bring out blue + red
- More stretching and RGB/K curves
- Slight ArcsinH stretch
- HDR Multiscale transform
- Local Histogram Equalization
- A bit more curves to recover color
- Annotated with watermark.
Annotated Image:
