Sunspot data for 2 March 2023 of period 2023Q1: (PREV DAY - NEXT DAY)
| Sun230302_1315UTC_sketch.jpg | Sun230302_1323UTC.jpg |
|---|---|
 |  Click here for the sharpened image. |
Today started out fully overcast, but around noon it completely cleared. Transparency was good, but the scintillation monitor reported very poor seeing on average. I made the following observation:
Observation date/time: 02 March 13:15 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 (341mm distance, 80mm diameter) Reference: Earth's rotation axis Exposure (transparency): 0.550ms (using 82nm bandwidth green filter) Seeing (SSSMon): 4.5-6.5" (3.0" at best) =================================================================== Total number of sunspots: 17 | |
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