Saturn at opposition on the night of October 3-4 (00-16 MSK). Maximum Seeliger effect. Tethys in frame. Spokes have almost disappeared, apparently due to the brightness of the rings. No shadow on the rings.
Celestron C11-A (XLT).
Mount SW HEQ5-R Pro.
ZWO ASI ASI664MC, ZWO ADC, 2x barlow lens block, ZWO uv/ir cut.
11 videos 16.5 ms 120 sec, stacking 30%.
PIPP, AutoStakkert, RegiStax, WinJUPOS, PS.
Scale 100%.
Altitude 46 deg. Apparent diameter 19.70" (with rings 45.90").
Seeing 7/10.
Krasnodar, suburb, backyard.
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