2021 April 01 Sun - solar surface in Ca-K, with AR12811 and AR12812
AR12811 is today located at (N20W80), right on the solar limb. Some plages are visible.
AR12812 is located at (N23W54). 2 very bright plages show up and dominate this AR .
sunspot count: group=0, sunspot=0, R=0
Telescope: Sharpstar AL-80 II, 8 cm f/6.25 APO refractor
Camera : ASI174MM
focal length : 500 mm f/6.25
filter: Lunt Ca-K Module B1200
approximately north is up, east to the left
2021 April 01 Sun - solar surface in Ca-K, with AR12811 and AR12812
2021 April 01 Sun - solar surface in Ca-K, with AR12811 and AR12812
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