10-22-21 Active Regions in CaK
Photographer: Alan
Telescope Used: N/A
Filter Used: B1800 CaK Module
Camera Used: ZWO ASI290mm
Date Taken: 10/22/2021
Photographer: Alan
Telescope Used: N/A
Filter Used: B1800 CaK Module
Camera Used: ZWO ASI290mm
Date Taken: 10/22/2021