Sunspot data for 19 October 2021 of period 2021Q4: (PREV DAY - NEXT DAY)
| Sun211019_1319UTC_sketch.jpg | Sun211019_1324UTC.jpg |
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This morning it was fully overcast with rain, but in the afternoon a large clearance appeared, be it with plenty wind. Transparency was poor, seeing varying (good to mediocre). I made the following observation:
Observation date/time: 19 October 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 (347mm distance, 80mm diameter) Reference: Earth's rotation axis Exposure (transparency): 0.380ms Seeing (SSSMon): 2.0"-4.0" =================================================================== Total number of sunspots: 1 | |
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