Some Ca-K images of the sun during the annular eclipse on October 14th, 2023
Vixen ED115S, stopped down to 50 mm
Lunt Straight B1800 Ca-K module
ZWO 2" Blue filter for extra UV filtering
Some Ca-K images of the sun during the annular eclipse on October 14th, 2023
Vixen ED115S, stopped down to 50 mm
Lunt Straight B1800 Ca-K module
ZWO 2" Blue filter for extra UV filtering