Sunspot data for 28 March 2024 of period 2024Q1: (PREV DAY - NEXT DAY)
| Sun240328_1319UTC_sketch.jpg | Sun240328_1322UTC.jpg |
|---|---|
 |  Click here for the sharpened image. |
Today started out wet and grey, but the sky cleared in the afternoon. Transparency was very good, and the scintillation monitor reported good seeing on average. I made the following observation:
Observation date/time: 28 March 2024 13:19 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 (344mm distance, 80mm diameter) Reference: Earth's rotation axis Exposure (transparency): 0.450ms (using 82nm bandwidth green filter) Seeing (SSSMon): 2.0" (1.5" at best) =================================================================== Total number of sunspots: 20 | |
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