Saturn 23.08.2026

 Posted: Sep 17th, 2026
Technical Info
Telescope/Lens: Cassegrain reflector 343/5800
Camera: Player One Mars-C II
Mount: EQ6 Pro
Software: AS!4 (Drizzle 1.5x), MTF-компаратор, FitsWork4
Accessories: Pierro Astro ADC Atmospheric Dispersion Corrector Mark II
 Ulyanovsk, РФ
 Aug 23rd, 2026
10
Resolution: 771x771 px
Scale: 149 KB

Saturn on the night of August 23. Seeing was good, but fine details couldn't be pulled out due to high-altitude rippling. I'd rate it 6-7/10.
Sum of twenty 60-second stacks. I tried the MTF comparator - an extremely useful thing, and I liked it. Then I did derotation in WinJupos.
22.09.25, 23:00 Moscow time.
Ulyanovsk. Cassegrain 343/5800, PlayerOne Mars-C II (662), AS!4 (Drizzle 1.5x), MTF comparator, FitsWork4.
Diameter=19.03"
Magnitude=0.57
Altitude=32.93°
CMI=24.5° CMIII=326.8°  (during mid of capture)
FocalLength=5800mm (F/17)
Resolution=0.10"
ROI=800x500
Shutter=16.67ms
Gain=449 (56%)
Histogramm=57%
Limit=60 Seconds

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