Sunspot data for 26 July 2022 of period 2022Q3: (PREV DAY - NEXT DAY)
| Sun220726_1122UTC_sketch.jpg | Sun220726_1127UTC.jpg |
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 |  Click here for the sharpened image. |
Today we started fully overcast, but that cleared to about 30% cumuli, topped with 20% cirrus, around the noon. Transparency in between was excellent, and the scintillation monitor reported reasonable seeing. I made the following observation:
Observation date/time: 26 July 11:16 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): 0.140ms Seeing (SSSMon): 4.5" =================================================================== Total number of sunspots: 8 | |
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