Sunspot data for 10 September 2022 of period 2022Q3: (PREV DAY - NEXT DAY)
| Sun220910_1117UTC_sketch.jpg | Sun220910_1122UTC.jpg |
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 |  Click here for the sharpened image. |
This morning started out fully overcast, but it soon cleared to about 50% cumuli. Transparency was excellent, but the scintillation monitor reported poor seeing on average. I made the following observation:
Observation date/time: 10 September 11:17 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): 5.0-5.5" (3.5" at best) =================================================================== Total number of sunspots: 17 | |
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