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Solar May 30, 2025 from the Dark Sky Observatory
Hi Folks,
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I am about a day behind posting these spectrograms, but better late than never!? Lots of nice solar on May 30.? I have only posted the more powerful events.? Interestingly, I picked up (see the last image) what looks to be solar at the end of the "day", near 0:00 UTC, when the sun was well below the horizon.? Take a look and see what you think.
When the data are uploaded at the end of the day today (May 31), I will take a look and see if I got more of the below-the-horizon solar, presumably from the big M8 flare that started just before 0hr UTC May 31.
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Richard |
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Re: Solar activity M Class flare from AR4100
OUTSTANDING!!! Carl On Fri, May 30, 2025 at 11:45?PM Luke Murphy via <lukepmurphy=[email protected]> wrote:
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Solar activity M Class flare from AR4100
¿ªÔÆÌåÓýHi, ????? A lot of solar activity around the turn of the UTC Day. Large M-Class flare from AR4100. ? Solar observation from 23:36:00 ¨C 02:15:12 ? ? First section of observation from 23:44:00 ¨C 00:12:00 ? ? Latter section of observation from 00:12:00 ¨C 02:04:00 ? ? ? Zoomed section showing fine Type II structure 23:48:45 ¨C 00:00:00 ? ? ? Regards, ? Luke. |
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Re: What does "HA" mean in RJPro tables?
Tom Hour Angle (HA): The HA is the angular distance measured westward along the celestial equator from the observer's meridian to the object's?""?(a great circle that passes through the object and the celestial poles) On Fri, May 30, 2025 at 3:52?PM Thomas Ashcraft via <ashcraft=[email protected]> wrote: What does " HA" mean in RJPro tables? See attached please.? Thanks.? Tom |
Jim Brown
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