By Mario Rana | 2024-09-19
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On 09/19/2024 09:58 am by Patricio Leon| Santiago, Chile
quiet sun, a new spot is emerging over the limb behind AR3828. Meanwhile, two giant active regions are inferred in the back side by SDO instruments, more than a week from us.
Newt 4.5" + solar film, 1/640s ISO100
crop, B/C