Saturday, 15 October 2022

Calcium Proms 15th October

CaK FD 60mm f10 zwo183mm bw AR and Proms CaK 80mm f15 zwo290mm bw CaK Proms 80mm f15 zwo290mm bw Saturday started with clear skies and decent transparency, with the large active region(s?) of late heading over the limb it was a good opportunity to check out for CaK proms, and there were plenty!