Solar Demon Dimming Detection (sc)

Science! running on SDO/AIA 211 Synoptic data
2 minute cadence, typical delay 7 days
(detection version 1.00)
(view all Solar Demon detection tools)

Overview of dimming 21092
Detector 14 day operating status:

Last detected dimming:
   220 hours and 55 minutes ago (2026-01-02 22:49 UTC)


Overview for dimming #:
   21092           back to overview

Animations and graphs
   derotated original images ( non-derotated )
   dimming intensity ( overlaid on HMI )
   dimming mask

   base difference ( percentage )
   running difference ( percentage )

more

more

more


Details for dimming #: 21092          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-12-27 08:41:5910.00.00.00.00 , 0.008748625
2025-12-27 08:43:5920.00.00.00.00 , 0.008748626
2025-12-27 08:45:5930.00.00.00.00 , 0.008748627
2025-12-27 08:47:5940.00.00.00.00 , 0.008748628
2025-12-27 08:49:5950.00.00.00.00 , 0.008748629
2025-12-27 08:51:5960.00.00.00.00 , 0.008748630
2025-12-27 08:53:5970.00.00.00.00 , 0.008748631
2025-12-27 08:55:5980.00.00.00.00 , 1.448748632
2025-12-27 08:57:5990.00.00.00.00 , 2.628748633
2025-12-27 08:59:59100.00.00.00.00 , 3.688748634
2025-12-27 09:01:59110.00.00.00.00 , 3.418748635
2025-12-27 09:03:59120.00.00.00.00 , 2.208748636
2025-12-27 09:05:59130.00.00.00.00 , 1.978748637
2025-12-27 09:07:59140.00.00.00.00 , 1.848748638
2025-12-27 09:09:59150.00.00.00.00 , 2.008748639
2025-12-27 09:11:59160.00.00.00.00 , 1.558748640
2025-12-27 09:13:59170.00.00.00.00 , 1.638748641
2025-12-27 09:15:59180.00.00.00.00 , 1.798748642
2025-12-27 09:17:59190.00.00.00.00 , 1.258748643
2025-12-27 09:19:59200.00.00.00.00 , 0.008748644
2025-12-27 09:21:59210.00.00.00.00 , 0.008748645
2025-12-27 09:23:59220.00.00.00.00 , 0.008748646
2025-12-27 09:25:59230.00.00.00.00 , 0.008748647

The research leading to these results has received funding from the European Commission's Seventh Framework Programme (FP7/2007-2013) under the grant agreement nr. 263506 [AFFECTS], and grant agreement nr. 263252 [COMESEP]
Solar Demon is still under construction.
( Legal notices - SWSC (Volume 5, A18, 2015) research article:Solar Demon - an approach to detecting flares, dimmings, and EUV waves on SDO/AIA images )