Sunspot data for 10 August 2024 of period 2024Q3: (PREV DAY - NEXT DAY)

Sun240810_0807UTC_sketch.jpgSun240810_0809UTC.jpg





Click here for the sharpened image.
Today we had patches of small cumuli with large clearances in between. Transparency in them was excellent, but the scintillation monitor reported mediocre seeing on average. I made the following observation:
Observation date/time:   10 August 2024 08:07 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 (349mm distance, 80mm diameter)
Reference:               Earth's rotation axis
Exposure (transparency): 0.380ms (using 82nm bandwidth green filter)
Seeing (SSSMon):         3.5-4.0" (2.0" at best)

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Total number of sunspots:  80

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