NGC 2244 "Rosette"

 Posted: Feb 24th, 2025
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Technical Info
Telescope/Lens: Sky-Watcher HAC125
Camera: QHY5III585C
Mount: ZWO AM5
Software: N.I.N.A, Siril
Accessories: Touptec AAF, миникомп с N.I.N.A
Exposure:
117 x 30" ISO/Gain: 69 - фильтр Optolong L-eNhanced
Red, Bortle 7 zone:
 Toksovo, Russia
 Feb 22nd, 2025
59 m
1204
Resolution: 2119x2450 px
Scale: 3415 KB
First light with the setup, only the mount has been tested before.
The camera is attached in the focuser with just one screw and no guide pins, causing a clear sensor tilt—the focuser needs to be replaced.
I shot the Rosette Nebula specifically to compare with recent photos taken with a 500mm f/6.3 lens and an ASI2600 camera.
The goal of the comparison is to decide which setup to keep and improve.
So far, this HAWK is in the lead.
Current photo Updated
  24 Feb, 2025
  59 m
First light with the setup, only the mount has been tested before. The camera is attached in the focuser with just one screw and no guide pins, causing a clear…
  21 Feb, 2025
  3 h 21 m
Added exposure time to the Rosette. Used a cheat technique—stars replaced with synthetic circles from StarNet. Stretched the histogram less. Bright spots from c…
  17 Feb, 2025
  2 h 24 m
I modified the focuser. Instead of a bunch of clamps, tubes, and brackets—just one 3D-printed part and a string (strings are everything!). I had to use a motor…
  8 Feb, 2025
  48 m
Suddenly, the sky cleared up. I took out the TTArtisan 500mm 6.3ED to test it. In the cold (around -10°C), the autofocus motor struggled to turn the focus ring—…
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