Sunspot data for 29 November 2022 of period 2022Q4: (PREV DAY - NEXT DAY)
| Sun221129_1110UTC_sketch.jpg | Sun221129_1113UTC.jpg |
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 |  Click here for the sharpened image. |
Today we had about 40% cumuli, topped with some 70% cirrocumulus. Transparency was poor, and the scintillation monitor reported poor seeing on average. I made the following observation:
Observation date/time: 29 November 11:10 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): 0.280ms Seeing (SSSMon): 4.0-5.0" (2.0" at best) =================================================================== Total number of sunspots: 4 (one near the western limb) | |
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