By Tom Tan | 2026-07-17
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returning
On 07/18/2026 10:36 am by Patricio Leon | Santiago, Chile
After a full week of bad and worse weather its a pleasure to see the sun again. Isolated sunspot AR4489 is calm as well as magnetometers are, despite the presence of a huge L-shaped coronal hole in the eastern hemisphere. A big newcomer is peeking over the 10 o'clock limb, with all probability former AR4479 returning for a new tour across the sun face
Newt 4.5" + solar film, 1/640s ISO100
crop, b/c