Sun H-Alpha, colossal protuberance, August 26, 2022

Refractor: Tecnosky APO 72 mm f 6

Daystar Quark H-Alpha Chromosphere Filter

Barlow: Celestron Ultima 2X

Camera ZWO ASI 174 mono cool

Equivalent focal lenght: 3715 mm

Mount: iOptron CEM60

Data: August 26, 2022 Ore: 11:47 Local Time

Pose: 161 sommate su 700 riprese a 21 fotogrammi al secondo

Seeing 3 Antoniadi, transparency of the sky 7

Done