Sunspot data for 16 September 2022 of period 2022Q3: (PREV DAY - NEXT DAY)
| Sun220916_1520UTC_sketch.jpg | Sun220916_1548UTC.jpg |
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 |  Click here for the sharpened image. |
Today was a windy day with plenty rain and about 60-80% cumuli. Transparency was mediocre, and the scintillation monitor reported good seeing on average. I made the following observation:
Observation date/time: 16 September 15:20 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): 0.230ms Seeing (SSSMon): 2.0-3.0" (1.5" at best) =================================================================== Total number of sunspots: 13 | |
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