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 20475
Detector 14 day operating status:

Last detected dimming:
   211 hours and 15 minutes ago (2025-10-24 20:53 UTC)


Overview for dimming #:
   20475           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 #: 20475          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-10-16 12:37:5910.00.00.00.00 , 0.008648110
2025-10-16 12:39:5920.00.00.00.00 , 0.008648111
2025-10-16 12:41:5930.00.00.00.00 , 0.008648112
2025-10-16 12:43:5940.00.00.00.00 , 0.008648113
2025-10-16 12:45:5950.00.00.00.00 , 0.008648114
2025-10-16 12:47:5960.00.00.00.00 , 0.008648115
2025-10-16 12:49:597-0.2-0.6-42.30.06 , 0.008648116
2025-10-16 12:51:598-1.1-13.2-38.70.128 , 0.008648117
2025-10-16 12:53:599-1.4-16.2-36.60.140 , 4.108648118
2025-10-16 12:55:5910-1.6-17.6-36.50.245 , 0.008648119
2025-10-16 12:57:5911-1.7-18.1-34.70.249 , 0.008648120
2025-10-16 12:59:5912-1.6-17.0-35.60.244 , 0.008648121
2025-10-16 13:01:5913-1.5-16.3-31.40.243 , 0.008648122
2025-10-16 13:03:5914-1.4-14.9-15.80.254 , 0.008648123
2025-10-16 13:05:5915-4.8-13.7-10.61.3361-2.031.60.53, -0.120.540.008648124
2025-10-16 13:07:5916-7.4-13.9-11.62.1579-2.530.10.51, -0.130.520.008648125
2025-10-16 13:09:5917-7.6-15.7-11.22.2608-3.129.30.49, -0.140.510.008648126
2025-10-16 13:11:5918-7.8-16.6-10.62.3643-3.529.00.49, -0.150.510.008648127
2025-10-16 13:13:5919-8.1-17.3-10.02.6708-4.028.50.48, -0.160.510.008648128
2025-10-16 13:15:5920-8.9-17.2-10.12.8766-3.828.00.48, -0.160.500.008648129
2025-10-16 13:17:5921-9.4-17.1-10.53.0811-3.828.40.48, -0.160.500.008648130

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 )