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

92

11

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Resolution: 5779x3723 px

Scale: 2089 KB

42

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 covered half the frame).

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

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.

Current photo

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…

M101 Pinwheel Galaxy, RASA 8", 4.5 hrs

22 Apr, 2026

4 h 30 m

Center crop of the frame. 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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