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Jon Greif

Location of Photo:

Alpine, CA, USA

Date/Time of photo:

February 11, 2024, at 3:00 pm PST


SeeStar "Smart" Telescope. Processed with Lynkeos and Pixinsight software on an M1 MacBook Pro.


The sun unleashed a powerful X-class solar flare two days ago, February 10, 2024, peaking at 5:10 a.m. PST (1310 GMT) and triggering shortwave radio blackouts across South America, Africa and the Southern Atlantic. The solar flare erupted from sunspot area AR3576 — in the upper right of this photo, taken from our backyard (with a SeeStar "smart" telescope). Image is a stack of 300 video frames.