Sunspot data for 22 September 2024 of period 2024Q3: (PREV DAY - NEXT DAY)
| Sun240922_1004UTC_sketch.jpg | Sun240922_1006UTC.jpg |
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 |  Click here for the sharpened image. |
Today started out grey, but it soon cleared to some patches of light stratus. Transparency was poor, and the scintillation monitor reported mediocre seeing on average. I made the following observation:
Observation date/time: 22 September 2024 10:04 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 (347mm distance, 80mm diameter) Reference: Earth's rotation axis Exposure (transparency): 1.480ms (using 82nm bandwidth green filter) Seeing (SSSMon): 3.5-4.0" (2.5" at best) =================================================================== Total number of sunspots: 31 | |
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