Sunspot data for 1 January 2024 of period 2024Q1: (PREV PERIOD - NEXT DAY)

Sun240101_1043UTC_sketch.jpgSun240101_1059UTC.jpg





Click here for the sharpened image.
Today we had about 80% cumuli. Transparency was mediocre, but the scintillation monitor reported good seeing on average. I made the following observation: 
Observation date/time:   01 January 2024 10:43 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 (339mm distance, 80mm diameter)
Reference:               Earth's rotation axis
Exposure (transparency): 0.750ms (using 82nm bandwidth green filter)
Seeing (SSSMon):         1.5-2.5" (1.0" at best)

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Total number of sunspots:  12

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