Sunspot data for 22 January 2024 of period 2024Q1: (PREV DAY - NEXT DAY)

Sun240122_1027UTC_sketch.jpgSun240122_1030UTC.jpg





Click here for the sharpened image.
After tonight's passage of storm Isha clear skies arrived over the observatory. Transparency was poor, but the scintillation monitor reported good seeing on average. I made the following observation:
Observation date/time:   22 January 2024 10:27 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): 0.800ms (using 82nm bandwidth green filter)
Seeing (SSSMon):         2.0" (1.0" at best)

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Total number of sunspots:  41

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