By Steve Rusnak | 2024-05-31
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![Community photo entitled resilient sunspot by Patricio Leon on 06/02/2024 at Santiago, Chile](https://ecp.earthsky.org/upl/gravity_forms/6-d613a712aa1020729eb530187e1fe51d/2024/06/IMG_8569.T.75.jpg)
resilient sunspot
On 06/02/2024 02:49 pm by Patricio Leon| Santiago, Chile
former AR3664 has no major changes, despite its low surface darkness (penumbra area far bigger than umbra) it is still easily seen without optical aid; close to the western limb, AR3700 developed in the last 24 hours two big elongated dark cores, another isolated one rotated at 10 o'clock limb
Newt 4.5"+ solar film, 1/640s ISO100
crop, B/C