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 20278
Detector 14 day operating status:

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


Overview for dimming #:
   20278           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 #: 20278          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-09-26 17:09:5910.00.00.00.00 , 0.008620011
2025-09-26 17:11:5920.00.00.00.00 , 0.008620012
2025-09-26 17:13:5930.00.00.00.00 , 0.008620013
2025-09-26 17:15:5940.00.00.00.00 , 0.008620014
2025-09-26 17:17:5950.00.00.00.00 , 0.008620015
2025-09-26 17:19:596-0.2-1.3-8.90.419 , 0.008620016
2025-09-26 17:21:597-0.3-2.9-7.60.629 , 0.868620017
2025-09-26 17:23:598-0.5-4.9-10.40.939 , 1.588620018
2025-09-26 17:25:599-0.6-4.4-8.51.158 , 1.558620019
2025-09-26 17:27:5910-0.7-4.0-8.61.174 , 0.008620020
2025-09-26 17:29:5911-1.9-5.6-7.63.22305.2-75.1-0.97, 0.060.970.008620021
2025-09-26 17:31:5912-2.3-6.6-8.33.7273 , 2.018620022
2025-09-26 17:33:5913-2.9-7.5-7.94.4345 , 0.928620023
2025-09-26 17:35:5914-3.4-8.4-7.85.2410 , 0.008620024
2025-09-26 17:37:5915-4.8-8.8-8.56.3532 , 0.008620025
2025-09-26 17:39:5916-6.0-10.3-8.77.4633 , 0.008620026
2025-09-26 17:41:5917-7.2-10.5-8.78.8761 , 0.008620027
2025-09-26 17:43:5918-9.7-11.7-9.19.9975 , 0.008620028
2025-09-26 17:45:5919-9.2-12.0-9.38.5884 , 0.008620029
2025-09-26 17:47:5920-12.4-12.7-10.011.51143 , 0.888620030
2025-09-26 17:49:5921-12.0-14.2-10.011.01087 , 1.278620031

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 )