Sun in the Ca-K line. 19.04.25 (AstroFest 2025)

 Posted: Apr 21st, 2025
Technical Info
Telescope/Lens: SVBONY SV48P 90/500 F5.5
Camera: ZWO ASI 224MC (color)
Mount: Celestron NexStar
Software: SharpCap 4.1, ASIVideoStack_V1.15
Accessories: ND96-09, Antlia CaK 3nm 393.3nm, Клин Гершеля
 D0 Snegiri Istrinskiy Gorodskoy Okrug Mo, Russia
 Apr 19th, 2025
618
First attempt at imaging the Sun in the calcium line through a new refractor and Herschel wedge. A two-part panorama (with edge defects). Shot handheld during AstroFest 2025.
Resolution: 1295x1276 px
Scale: 813 KB
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