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 15427
Detector 24h operating status: Last processed image: 0 hours and 19 minutes ago (2026-04-18 15:30 UTC) Last detected dimming: 4 hours and 10 minutes ago (2026-04-18 11:39 UTC) Overview for dimming #: 15427 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 #: 15427
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2026-04-11 16:03:35 1 0.0 0.0 0.0 0.0 0 , 0.00 3729892

2026-04-11 16:06:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3729895

2026-04-11 16:09:11 3 0.0 0.0 0.0 0.0 0 , 0.00 3729896

2026-04-11 16:12:11 4 0.0 0.0 0.0 0.0 0 , 0.00 3729899

2026-04-11 16:15:11 5 -0.7 -5.5 -18.6 0.1 34 24.4 -8.5 -0.14, 0.51 0.53 1.30 3729900

2026-04-11 16:18:11 6 -4.9 -15.9 -12.4 1.0 279 24.5 -8.1 -0.13, 0.51 0.53 2.11 3729903

2026-04-11 16:21:11 7 -8.5 -22.4 -15.0 1.4 397 24.1 -8.7 -0.14, 0.51 0.52 1.83 3729904

2026-04-11 16:24:11 8 -13.0 -37.7 -17.5 1.9 527 23.8 -8.9 -0.14, 0.50 0.52 1.02 3729907

2026-04-11 16:27:35 9 -17.9 -40.6 -17.3 2.8 763 23.7 -8.8 -0.14, 0.50 0.52 0.00 3729908

2026-04-11 16:30:11 10 -20.4 -42.0 -17.9 3.2 886 23.7 -8.8 -0.14, 0.50 0.52 0.00 3729911

2026-04-11 16:33:35 11 -25.6 -46.3 -17.4 4.0 1080 23.7 -8.7 -0.14, 0.50 0.52 0.00 3729912

2026-04-11 16:36:11 12 -27.6 -47.9 -17.8 4.3 1161 23.7 -8.5 -0.14, 0.50 0.52 0.00 3729915

2026-04-11 16:39:11 13 -29.5 -50.3 -18.1 4.6 1245 23.7 -8.3 -0.13, 0.50 0.52 0.00 3729916

2026-04-11 16:42:11 14 -30.4 -51.7 -17.7 4.9 1320 23.7 -8.4 -0.14, 0.50 0.52 0.00 3729919

2026-04-11 16:45:11 15 -30.2 -47.9 -17.7 5.0 1345 23.8 -8.4 -0.14, 0.50 0.52 0.00 3729920

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
2026-04-11 16:03:35	1	0.0	0.0	0.0	0.0	0			,		0.00	3729892
2026-04-11 16:06:11	2	0.0	0.0	0.0	0.0	0			,		0.00	3729895
2026-04-11 16:09:11	3	0.0	0.0	0.0	0.0	0			,		0.00	3729896
2026-04-11 16:12:11	4	0.0	0.0	0.0	0.0	0			,		0.00	3729899
2026-04-11 16:15:11	5	-0.7	-5.5	-18.6	0.1	34	24.4	-8.5	-0.14, 0.51	0.53	1.30	3729900
2026-04-11 16:18:11	6	-4.9	-15.9	-12.4	1.0	279	24.5	-8.1	-0.13, 0.51	0.53	2.11	3729903
2026-04-11 16:21:11	7	-8.5	-22.4	-15.0	1.4	397	24.1	-8.7	-0.14, 0.51	0.52	1.83	3729904
2026-04-11 16:24:11	8	-13.0	-37.7	-17.5	1.9	527	23.8	-8.9	-0.14, 0.50	0.52	1.02	3729907
2026-04-11 16:27:35	9	-17.9	-40.6	-17.3	2.8	763	23.7	-8.8	-0.14, 0.50	0.52	0.00	3729908
2026-04-11 16:30:11	10	-20.4	-42.0	-17.9	3.2	886	23.7	-8.8	-0.14, 0.50	0.52	0.00	3729911
2026-04-11 16:33:35	11	-25.6	-46.3	-17.4	4.0	1080	23.7	-8.7	-0.14, 0.50	0.52	0.00	3729912
2026-04-11 16:36:11	12	-27.6	-47.9	-17.8	4.3	1161	23.7	-8.5	-0.14, 0.50	0.52	0.00	3729915
2026-04-11 16:39:11	13	-29.5	-50.3	-18.1	4.6	1245	23.7	-8.3	-0.13, 0.50	0.52	0.00	3729916
2026-04-11 16:42:11	14	-30.4	-51.7	-17.7	4.9	1320	23.7	-8.4	-0.14, 0.50	0.52	0.00	3729919
2026-04-11 16:45:11	15	-30.2	-47.9	-17.7	5.0	1345	23.8	-8.4	-0.14, 0.50	0.52	0.00	3729920