By Jim Militello | 2025-12-09
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On 12/09/2025 10:17 am by Mario Rana | Hampton, Virginia
The sun in hydrogen-alpha, helium (D3), G-band, calcium-K, and white light. I happened to catch the M1.5 flare from active region AR4294 in the hydrogen-alpha image. It can be seen also in the white light image. There's a beautiful prominence on the southwest limb too!
SVBONY SV503 80mm
MLAstro SHG700
iOptron HAE29 mount
ZWO ASI178mm camera
JSol'Ex, PixInsight, GIMP
