Sunspot data for 13 October 2024 of period 2024Q4: (PREV DAY - NEXT DAY)

Sun241013_0924UTC_sketch.jpgSun241013_0943UTC.jpg





Click here for the sharpened image.
Today we had about 80% cumuli. Transparency in between was excellent, and the scintillation monitor reported good seeing on average. I made the following observation:
Observation date/time:   13 October 2024 09:24 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 (347mm distance, 80mm diameter)
Reference:               Earth's rotation axis
Exposure (transparency): 0.480ms (using 82nm bandwidth green filter)
Seeing (SSSMon):         2.0-2.5" (1.2" at best)

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Total number of sunspots:  33

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