Sunspot data for 7 January 2024 of period 2024Q1: (PREV DAY - NEXT DAY)
| Sun240107_1335UTC_sketch.jpg | Sun240107_1338UTC.jpg |
|---|---|
 |  Click here for the sharpened image. |
Today started out with 90% cumuli, but in the afternoon it cleared to about 50%. Transparency was mediocre, and the scintillation monitor reported reasonable to mediocre seeing on average. I made the following observation:
Observation date/time: 07 January 2024 13:35 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 (343mm distance, 80mm diameter) Reference: Earth's rotation axis Exposure (transparency): 0.750ms (using 82nm bandwidth green filter) Seeing (SSSMon): 2.5-3.5" (2.0" at best) =================================================================== Total number of sunspots: 43 | |
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