2021 08 21 10h 26' 42 sec CET Sun Visible Light & Ca - K NOAA 12855 & 12857

Optics : 80/480 Apo + ZWO EAF + Televue Barlow 31,8 mm 3x

Mount : Ioptron CEM70G & Ioptron TriPier;

Ca K wave length ; Lunt B600

Visible Light : Baader Erschel Wedg

Camera : ZWO ASI 174 MM;

Equivalent focal lenght : 1440 mm.

Software : FireCapture, AutoStakkert3, ImPPG, Adobe Photoshop

 

Solar active region NOAA 12855 , NOAA 12857

 

Casalecchio di Reno - Italia

44° 29’ 29” N

11° 14’ 58” E

Done