Sunspot data for 4 May 2022 of period 2022Q2: (PREV DAY - NEXT DAY)
| Sun220504_0755UTC_sketch.jpg | Sun220504_0806UTC.jpg |
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 |  Click here for the sharpened image. |
Today we had some cumuli, but most of all cirrus and cirrostratus with occasional clearances. Transparency in between was good, but the scintillation monitor reported poor seeing. I made the following observation:
Observation date/time: 04 May 07:55 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 (348mm distance, 80mm diameter) Reference: Earth's rotation axis Exposure (transparency): 0.180ms Seeing (SSSMon): 6.0-7.0" =================================================================== Total number of sunspots: 20 | |
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