Sunspot data for 26 September 2021 of period 2021Q3: (PREV DAY - NEXT DAY)
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Today it was fully overcast, but with some small clearances, although those had a persistent haze (thin stratus). Transparency was reasonable, seeing was good. I made the following observation:
Observation date/time: 26 September 09:11 UTC Telescope: GTT60 (Galileo Type Telescope) Focal length: 1490mm (plano convex singlet) Aperture: 60mm Stop: 30mm Eyepiece: -75mm (plano concave singlet, 24mm aperture) Observation type: projection (351mm distance, 80mm diameter) Reference: Earth's rotation axis Exposure (transparency): 0.240ms Seeing (SSSMon): 2.0-2.5" =================================================================== Total number of sunspots: 5 | |
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