Sunspot data for 26 August 2022 of period 2022Q3: (PREV DAY - NEXT DAY)
| Sun220826_1408UTC_sketch.jpg | Sun220826_1412UTC.jpg |
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 |  Click here for the sharpened image. |
Today started out fully overcast, but in the afternoon the sky cleared a bit to about 80% cumuli in two layers. Transparency in between was excellent, and the scintillation monitor reported good seeing on average. I made the following observation:
Observation date/time: 26 August 14:08 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 (352mm distance, 80mm diameter) Reference: Earth's rotation axis Exposure (transparency): 0.160ms Seeing (SSSMon): 3.5" (2.5" at best) =================================================================== Total number of sunspots: 22 | |
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