By Jim Militello | 2025-12-28
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Christmas Day Sun
On 12/25/2025 01:00 pm by Anthony Faulkner | Tucson, AZ. USA
The sun on Christmas Day!
1) Hydrogen Alpha
2) same hydrogen alpha image inverted
3) Calcium K
4) White Light
Sunspot 4317 is above center. Sunspot 4321 is right of center.
Lunt 60mm dedicated hydrogen alpha
Lunt 80mm universal with calcium K
Explore Scientific ED80 with Lunt solar wedge
ZWO ASI533 non-cooled camera
Celestron AVX mount
Autostakkert
IMPPG
Affinity Photo 2