Sunspot data for 4 June 2022 of period 2022Q2: (PREV DAY - NEXT DAY)
| Sun220604_1431UTC_sketch.jpg | Sun220604_1437UTC.jpg |
|---|---|
 |  Click here for the sharpened image. |
This morning the sky was fully overcast with thick stratus, but in the afternoon the sky cleared with some 10% cumuli. Transparency was very good, but the scintillation monitor reporting very poor seeing. I made the following observation:
Observation date/time: 04 June 14:31 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): 0.170ms Seeing (SSSMon): 6.5-7.5" =================================================================== Total number of sunspots: 7 | |
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