svenpetersen1965:
Sunspots?!
svenpetersen1965:
Sunspots, for sure!
svenpetersen1965:
Sunspot Season
svenpetersen1965:
sunspots_20140609
svenpetersen1965:
Eclipse #8576
svenpetersen1965:
Eclipse #8572
svenpetersen1965:
Eclipse #8564
svenpetersen1965:
Eclipse #8550
svenpetersen1965:
Eclipse #8547
svenpetersen1965:
Transit of Mercury
svenpetersen1965:
AR2546 - Big, But Quiet
svenpetersen1965:
Sunspots AR2671 - Don't Miss The American Eclipse Today!
svenpetersen1965:
Huge Sunspots (AR2673 & AR2674)
svenpetersen1965:
Sunspots AR2673, 2674 & 2678 (two days later)
svenpetersen1965:
Sun spots AR2822 AR2823
svenpetersen1965:
Solar Photography
svenpetersen1965:
Someone Bit Into The Cookie
svenpetersen1965:
Sunspots of May 27th, 2023
svenpetersen1965:
Sun spots of Aug 7th, 2024