2021 January 12 Sun - solar surface in Ca-K, under severely bad seeing

[PTS]

2021 January 12 Sun - solar surface in Ca-K, under severely bad seeing

These animated gif's are to demonstrate how bad can seeing be after the arrival of cold air.
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 south is up, east to the left