Solar Demon Dimming Detection (qlk)

Quick-look! running in real time on SDO/AIA 211 QLK data
3 minute cadence, typical delay 15 minutes
(detection version 1.00)

(view all Solar Demon detection tools)

	Overview of dimming 15621
Detector 24h operating status: Last processed image: 0 hours and 18 minutes ago (2026-05-25 18:12 UTC) Last detected dimming: 0 hours and 18 minutes ago (2026-05-25 18:12 UTC) Overview for dimming #: 15621 back to overview Animations and graphs derotated original images ( non-derotated ) dimming intensity dimming mask base difference ( percentage ) running difference ( percentage )	more	more	more

Details for dimming #: 15621
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2026-05-23 12:39:11 1 0.0 0.0 0.0 0.0 0 , 0.00 3770059

2026-05-23 12:42:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3770062

2026-05-23 12:45:11 3 0.0 0.0 0.0 0.0 0 , 0.00 3770063

2026-05-23 12:48:11 4 -2.0 -12.1 -38.6 0.1 36 17.1 -38.2 -0.60, 0.32 0.68 0.00 3770066

2026-05-23 12:51:11 5 -16.0 -41.6 -24.5 2.0 489 14.4 -34.4 -0.55, 0.28 0.62 1.40 3770069

2026-05-23 12:54:11 6 -27.7 -49.9 -24.0 3.6 873 14.3 -34.0 -0.55, 0.27 0.61 2.64 3770070

2026-05-23 12:57:11 7 -33.5 -43.3 -25.1 4.3 1056 14.4 -33.9 -0.55, 0.28 0.61 2.62 3770072

2026-05-23 13:00:11 8 -35.4 -40.3 -27.5 4.7 1149 15.2 -34.9 -0.56, 0.29 0.63 0.00 3770073

2026-05-23 13:03:11 9 -37.4 -45.7 -28.9 4.7 1157 15.4 -34.7 -0.56, 0.29 0.63 2.97 3770074

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 )

time	seq #	total intensity	max intensity	median intensity	area	size	lat	lon	x,y in R☉	dist. R☉	detection	Img ID
2026-05-23 12:39:11	1	0.0	0.0	0.0	0.0	0			,		0.00	3770059
2026-05-23 12:42:11	2	0.0	0.0	0.0	0.0	0			,		0.00	3770062
2026-05-23 12:45:11	3	0.0	0.0	0.0	0.0	0			,		0.00	3770063
2026-05-23 12:48:11	4	-2.0	-12.1	-38.6	0.1	36	17.1	-38.2	-0.60, 0.32	0.68	0.00	3770066
2026-05-23 12:51:11	5	-16.0	-41.6	-24.5	2.0	489	14.4	-34.4	-0.55, 0.28	0.62	1.40	3770069
2026-05-23 12:54:11	6	-27.7	-49.9	-24.0	3.6	873	14.3	-34.0	-0.55, 0.27	0.61	2.64	3770070
2026-05-23 12:57:11	7	-33.5	-43.3	-25.1	4.3	1056	14.4	-33.9	-0.55, 0.28	0.61	2.62	3770072
2026-05-23 13:00:11	8	-35.4	-40.3	-27.5	4.7	1149	15.2	-34.9	-0.56, 0.29	0.63	0.00	3770073
2026-05-23 13:03:11	9	-37.4	-45.7	-28.9	4.7	1157	15.4	-34.7	-0.56, 0.29	0.63	2.97	3770074