Sunspot data for 25 August 2023 of period 2023Q3: (PREV DAY - NEXT DAY)
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Today it was fully overcast most of the day, but in the afternoon there were some thinner areas of stratocumulus. Transparency during short moments was poor, as a result of which the scintillation monitor could not make proper measurements. I made the following observation:
Observation date/time: 25 August 2023 14:05 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): 0.630ms (using 82nm bandwidth green filter) Seeing (SSSMon): n.a. =================================================================== Total number of sunspots: 13 | |
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