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Photographer:

Jon Greif

Location of Photo:

Alpine, CA, USA

Date/Time of photo:

May 10, 2024, at 10:00 am PDT

Equipment:

Lunt 50 mm pressure tuned solar telescope, ZWO ASI 178 MM camera, Sky-Watcher AZ-GTI mount, Pixinsight processing.

Description:

A ginormous sunspot area, AR3664, has been in the news all week, and I didn't want to miss photographing it. AR3664 is the size of 15 Earth diameters, holds 58 individual sunspots, and has generated several Coronal Mass Ejections (bursts of solar material) our way, resulting in spectacular aurorae, and episodes of radio interference and blackouts. A severe geomagnetic storm is considered a real possibility.

Website:

https://www.skyandtelescope.com/author/jgreif/