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 21172
Detector 14 day operating status:

Last detected dimming:
   221 hours and 56 minutes ago (2026-01-03 23:07 UTC)


Overview for dimming #:
   21172           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 #: 21172          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2026-01-03 18:15:5910.00.00.00.00 , 1.008758981
2026-01-03 18:17:5920.00.00.00.00 , 0.008758982
2026-01-03 18:19:5930.00.00.00.00 , 0.008758983
2026-01-03 18:21:5940.00.00.00.00 , 0.008758984
2026-01-03 18:23:5950.00.00.00.00 , 0.008758985
2026-01-03 18:25:5960.00.00.00.00 , 0.008758986
2026-01-03 18:27:5970.00.00.00.00 , 1.048758987
2026-01-03 18:29:5980.00.00.00.00 , 1.028758988
2026-01-03 18:31:5990.00.00.00.00 , 1.468758989
2026-01-03 18:33:59100.00.00.00.00 , 0.008758990
2026-01-03 18:35:59110.00.00.00.00 , 0.008758991
2026-01-03 18:37:59120.00.00.00.00 , 0.008758992
2026-01-03 18:39:59130.00.00.00.00 , 0.008758993
2026-01-03 18:41:59140.00.00.00.00 , 0.008758994
2026-01-03 18:43:59150.00.00.00.00 , 0.008758995
2026-01-03 18:45:5916-0.1-0.8-10.60.19-16.4-60.1-0.84, -0.260.880.008758996
2026-01-03 18:47:5917-0.2-3.1-10.50.121-16.3-60.0-0.84, -0.250.880.008758997
2026-01-03 18:49:5918-0.8-5.6-9.70.572-16.8-62.2-0.86, -0.260.900.008758998
2026-01-03 18:51:5919-0.5-5.1-9.80.346-16.3-59.4-0.84, -0.250.870.008758999
2026-01-03 18:53:5920-0.8-7.2-10.30.473-16.2-59.2-0.83, -0.250.870.008759000
2026-01-03 18:55:5921-1.1-6.9-9.70.692-16.9-62.0-0.85, -0.270.900.008759001

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 )