2021 12 19 11h 16' 13 sec CET Sun H alfa Cromosphere NOAA 12907, 12908, 12909

Optic: 80/480 Apo + ZWO EAF

Mount : Ioptron CEM70G & Ioptron TriPier;

Filter : IR CUT Baader Planetarium 2”;

Filter : H alfa Daystar Quark Cromosphere;

Camera : ZWO ASI 174 MM;

Equivalent focal length = 2000 mm.

Software : FireCapture, AutoStakkert3, Photoshop

 

Solar Active Region NOAA 12907, 12908, 12909 (from right to left).

 

Casalecchio di Reno - Italia

44° 29’ 29” N

11° 14’ 58” E

Done