Celestron C14 (SCT 356/3910) + red. 0,7x + SBIG ST9XE
Adopted limb darkening: 0.5 | EXP. 90s | binning 1+1 | strong defocus | weather: clear, moisture | bortle 5, encircling light pollution | Photometric aperture radii: 13-18-20| Baader IR-Pass filter 685 nm

SC 250 mm f6,3 + ASI 294 MM Pro
90 sec exposure

SC 250 mm f6,3 + ASI 294 MM Pro
90 sec.

FC-76D + ASI 6200MM Pro
another version
(systematic errors square power)

Admin: remodelled with transit duration fixed at 212 min

FC-76D + ASI 6200MM Pro
another fixed version.
(Consider limb darkening)

FC-76D + ASI 6200MM Pro
Fixed version.

Recalculated with transit duration fixed (due to missing egress). Admin

Cassegrain 430 mm + Zwo ASI6200 Pro mono
30s then 60s exposures. 30s exposures were merged. variable seeing. Lack of data due to meteo.

Sky-Watcher NWT 200/1000 + Atik 314L + Coma Corrector (0.9x focal reducer)
Started right after sunset. Some light clouds before egress (data points removed). De-trend using AstroImageJ and Airmass detrend. 90 sec exposure time.

Lunette 150/750 + SBIG ST10
pose 10s

16" Meade ACF F8 Moravian G4-9000
Slightly defocused, 1x1 binning. Ended measurement as dawn approached