Sunspot data for 23 February 2022 of period 2022Q1: (PREV PERIOD - NEXT DAY)
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Today we had completely clear skies, but quite some wind (5-6Bft). Transparency was good, seeing was reported excellent by the scintillation monitor, but with low frequency undulation. I made the following observation:
Observation date/time: 23 Februari 11:25 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 (~343mm distance, 80mm diameter) Reference: Earth's rotation axis Exposure (transparency): 0.180ms Seeing (SSSMon): 2.0"-2.5" =================================================================== Total number of sunspots: 2 | |
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