Sunspot data for 2 December 2023 of period 2023Q4: (PREV DAY - NEXT DAY)
| Sun231202_1142UTC_sketch.jpg | Sun231202_1144UTC.jpg |
|---|---|
 |  Click here for the sharpened image. |
Today we had patches of stratus with large gaps in between. Transparency was good, and the scintillation monitor reported good seeing on average. I made the following observation:
Observation date/time: 02 December 2023 11:42 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 (340mm distance, 80mm diameter) Reference: Earth's rotation axis Exposure (transparency): 0.600ms (using 82nm bandwidth green filter) Seeing (SSSMon): 2.0-2.5" (1.5" at best) =================================================================== Total number of sunspots: 17 | |
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