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 20321
Detector 14 day operating status:

Last detected dimming:
   202 hours and 13 minutes ago (2025-10-03 21:29 UTC)


Overview for dimming #:
   20321           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 #: 20321          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-09-29 10:13:5910.00.00.00.00 , 0.008624105
2025-09-29 10:15:5920.00.00.00.00 , 0.008624106
2025-09-29 10:17:5930.00.00.00.00 , 0.008624107
2025-09-29 10:19:5940.00.00.00.00 , 0.008624108
2025-09-29 10:21:5950.00.00.00.00 , 0.008624109
2025-09-29 10:23:5960.00.00.00.00 , 0.008624110
2025-09-29 10:25:5970.00.00.00.00 , 0.008624111
2025-09-29 10:27:5980.00.00.00.00 , 0.008624112
2025-09-29 10:29:5990.00.00.00.00 , 3.068624113
2025-09-29 10:31:59100.00.00.00.00 , 2.438624114
2025-09-29 10:33:59110.00.00.00.00 , 2.618624115
2025-09-29 10:35:59120.00.00.00.00 , 0.938624116
2025-09-29 10:37:59130.00.00.00.00 , 0.008624117
2025-09-29 10:39:59140.00.00.00.00 , 0.008624118
2025-09-29 10:41:59150.00.00.00.00 , 0.008624119
2025-09-29 10:43:59160.00.00.00.00 , 1.538624120
2025-09-29 10:45:59170.00.00.00.00 , 0.008624121
2025-09-29 10:47:59180.00.00.00.00 , 0.008624122
2025-09-29 10:49:59190.00.00.00.00 , 0.008624123
2025-09-29 10:51:5920-0.6-7.1-19.60.130 , 0.868624124
2025-09-29 10:53:59210.00.00.00.00 , 1.028624125
2025-09-29 10:55:59220.00.00.00.00 , 0.008624126
2025-09-29 10:57:59230.00.00.00.00 , 0.008624127

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 )