Big Solar Prominence in H-alpha!

Roy Diffrient · 2025-03-21T09:40:12-07:00

Largest for months – it’s curved over back toward the solar disk, about 45K miles tall, 100K miles long. See it on Gong too:

Roy Diffrient All Messages By This Member #57549 Largest for months – it’s curved over back toward the solar disk, about 45K miles tall, 100K miles long. ?See it on Gong too: ? https://gong2.nso.edu/products/tableView/table.php?configFile=configs/hAlpha.cfg
jimcoble2000 All Messages By This Member #57557 I see it on Gong. Their image is a bit better than mine! On Friday, March 21, 2025 at 11:26:15 AM EDT, Roy Diffrient <mail@...> wrote: Largest for months – it’s curved over back toward the solar disk, about 45K miles tall, 100K miles long. ?See it on Gong too: ? https://gong2.nso.edu/products/tableView/table.php?configFile=configs/hAlpha.cfg
jimcoble2000 All Messages By This Member #57558 Doing it with the gong image gets it closer to your figure. We are still pretty good for back yard. A quick look in the history seems to say typical can go to 65000. The record is 500000. I wish I had that graduated EP like you have. I once had one but have no idea where it is now. They seem rarer than woodpecker lips. On Friday, March 21, 2025 at 11:26:15 AM EDT, Roy Diffrient <mail@...> wrote: Largest for months – it’s curved over back toward the solar disk, about 45K miles tall, 100K miles long. ?See it on Gong too: ? https://gong2.nso.edu/products/tableView/table.php?configFile=configs/hAlpha.cfg

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