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M101 Pinwheel Galaxy, RASA 8", 4.5 hrs

 Posted: Apr 22nd, 2026
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Technical Info
Telescope/Lens: Celestron RASA 8" 200/400 F2.2
Camera: Player One Poseidon-C
Mount: ZWO AM5N
Guide Scope: SVBONY SV106 F4 60/240
Guide Camera: Touptek GPM462M
Software: Nina, PixInsight
Exposure:
135 x 120" ISO/Gain: 125 - Player one Anti-Halo 2″ UV IR-CUT Filter
Orange, Bortle 6 zone:
 Sofrino, Russia
 Apr 21st, 2026
4 h 30 m
174
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Resolution: 1442x1308 px
Scale: 220 KB
ankorot
44

Crop of the frame center.

First test of the Player One Anti-Halo 2" UV IR-CUT Filter. Works perfectly — no halos (without it, halos covered half the frame).

First test of auto meridian flip in NINA done without time loss (not 10 minutes for the flip). Worked perfectly.

Capture: NINA, phd2
Processing: PixInsight, GraXpert (for bge)

Updated
M101 Pinwheel Galaxy, RASA 8", 4.5 hrs
  23 Apr, 2026
  4 h 30 m
Another processing version for comparison — I made the stars smaller in BlurXTerminator.
M101 Pinwheel Galaxy, RASA 8", 4.5 hrs
  22 Apr, 2026
  4 h 30 m
Full APS-C frame. Many galaxies are visible around. First test of the Player one Anti-Halo 2" UV IR-CUT Filter. Works perfectly — no halos (without it, halos co…
Current photo
M101 Pinwheel Galaxy, RASA 8", 4.5 hrs
  22 Apr, 2026
  4 h 30 m
Crop of the frame center. First test of the Player One Anti-Halo 2" UV IR-CUT Filter. Works perfectly — no halos (without it, halos covered half the frame). Fir…
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