Sunspot data for 4 March 2023 of period 2023Q1: (PREV DAY - NEXT DAY)

Sun230304_1121UTC_sketch.jpgNo image available.
No image available.
Today we had about 95% cumuli. Transparency was poor (sketch made through thin cloud-cover), no image could be taken and seeing could not be measured. I made the following observation: 
Observation date/time:   04 March 11:21 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 (341mm distance, 80mm diameter)
Reference:               Earth's rotation axis
Exposure (transparency): n.a.
Seeing (SSSMon):         n.a.

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Total number of sunspots:   26

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