I recently received an Antlia CaK 3nm 393.3nm calcium filter for solar imaging. Now I’m fully armed with the sun. True, for a full-fledged shooting, I need to buy a couple more lighter ND filters with an internal thread, because the image with the Cak filter is noticeably darker than with the Solar Continuum filter.
Equipment:
-Coronado PST H-alpha 40 mm telescope
-Sky-Watcher AZ-GTi mount
-Deepsky IR-cut filter
-QHY5III178m camera.
Stacking of 100 frames.
Equipment:
–Levenhuk Ra R66 ED Doublet Black telescope
-Sky-Watcher AZ-GTi mount
-Lacerta Herschel prism
-Baader Solar Continuum filter
-ND3 filter
-QHY5III178m camera.
Stacking of 100 frames.
Equipment:
–Levenhuk Ra R66 ED Doublet Black telescope
-Sky-Watcher AZ-GTi mount
-Lacerta Herschel prism
-Antlia CaK 3nm 393.3nm filter
GSO polarizing filter
-QHY5III178m camera.
Stacking of 100 frames.
