Sunspot data for 7 February 2026 of period 2026Q1: (PREV DAY - NEXT DAY)

Sun260207_1025UTC_sketch.jpgSun260207_1051UTC.jpg





Click here for the sharpened image.
today we had patches of stratus, topped with cirrus. Transparency in between was very good, and the scintillation monitor reported excellent seeing on average. I made the following observation:
Observation date/time:   07 February 2026 10:25 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 (338mm distance, 80mm diameter)
Reference:               Earth's rotation axis
Exposure (transparency): 0.530ms (using 82nm bandwidth green filter)
Seeing (SSSMon):         1.2-2.0" (0.4" at best)

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Total number of sunspots:  36

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