NGC7293 Helix

 Posted: Aug 21st, 2025
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NGC
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Technical Info
Telescope/Lens: Askar SQA 106 мм f/4.8
Camera: ZWO ASI 294 MM
Mount: Ioptron HAE 29 C
Guide Scope: Askar 52 мм F4
Guide Camera: ZWO ASI 120 MM mini
Software: SharpCap 4.0, DSS, Siril, GraXpert, Adobe Photoshop
Exposure:
10 x 300" ISO/Gain: 121 - - zwo R bin2
10 x 300" ISO/Gain: 121 - - zwo G bin2
10 x 300" ISO/Gain: 121 - - zwo B bin2
Green, Bortle 4 zone:
 Adygeya Stanica Dahovskaya, Russia
 Aug 19th, 2025
2 h 30 m
843
Resolution: 1000x853 px
Scale: 114 KB
One of the closest planetary nebulae.
Located at a distance of only 650 light-years.
Diameter about 2.5 light-years.
Angular size 12'x25'.
Difficult to observe in the middle latitudes of Russia.

Lum clearly asks to be replaced with Ha, I will reshoot and replace!
And I will definitely add more material.
The object deserves it.
Updated
  27 Aug, 2025
  5 h 0 m
Switched from LRGB to Ha+OIII. It works great for this nebula. Need to accumulate about six or seven more hours (hopefully in September). Maybe not as good deta…
Current photo
  21 Aug, 2025
  2 h 30 m
One of the closest planetary nebulae. Located at a distance of only 650 light-years. Diameter about 2.5 light-years. Angular size 12'x25'. Difficult to observe…
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