M81 & M82 - Bode's Galaxy & The Cigar Galaxy

 Posted: Apr 29th, 2025
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NGC
IC
HD
Technical Info
Telescope/Lens: SharpStar 61EDPH II + 0.8x reducer
Camera: ZWO ASI533MM Pro
Mount: Umi 17 Lite
Guide Scope: OAG
Guide Camera: ZWO ASI 120mm
Software: N.I.N.A., Siril, GraXpert, Adobe Photoshop, Seti Astro suite
Accessories: Mele mini PC, ZWO EFW, ZWO EAF
Exposure:
1085 x 60" ISO/Gain: 100 - HaLRGB
Yellow, Bortle 5 zone:
 Lipeck, Russia
 Apr 3rd, 2025
18 h 5 m
739
Resolution: 2905x2905 px
Scale: 4761 KB
HaLRGB :
L - 6h 18min
R - 2h 50min
G - 2h 51min
B - 2h 36min
Ha - 3h 30min

Sum = 18h 5min
Updated
  23 Jun, 2025
  14 h 35 m
Removed hydrogen data from the stack. Stretched in Siril using the GHS tool with the Human weighted luminance method, which gave the galaxies a more interesting…
Current photo
  29 Apr, 2025
  18 h 5 m
HaLRGB : L - 6h 18min R - 2h 50min G - 2h 51min B - 2h 36min Ha - 3h 30min Sum = 18h 5min
  9 Apr, 2025
  0
HaLRGB : L - 6h 18min R - 2h 50min G - 2h 51min B - 2h 36min Ha - 3h 30min Sum = 18h 5min
  7 Apr, 2025
  18 h 5 m
Stretched the dust by applying a different approach to luminance data overlay.
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This version is the best!
29 Apr, 2025 Reply

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