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 14893
Detector 24h operating status: Last processed image: 0 hours and 25 minutes ago (2026-03-12 12:06 UTC) Last detected dimming: 3 hours and 22 minutes ago (2026-03-12 09:09 UTC) Overview for dimming #: 14893 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 #: 14893
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2026-01-20 15:24:47 1 0.0 0.0 0.0 0.0 0 , 0.00 3649793

2026-01-20 15:27:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3649794

2026-01-20 15:30:11 3 0.0 0.0 0.0 0.0 0 , 0.00 3649795

2026-01-20 15:33:11 4 -3.0 -13.9 -11.4 0.8 250 -1.4 13.5 0.24, 0.06 0.24 0.00 3649800

2026-01-20 15:36:11 5 -6.1 -16.3 -11.3 1.6 513 -1.6 13.8 0.24, 0.06 0.25 0.00 3649801

2026-01-20 15:39:11 6 -8.8 -18.2 -10.7 2.2 721 -1.8 13.9 0.24, 0.06 0.25 1.33 3649802

2026-01-20 15:42:11 7 -11.1 -20.6 -10.7 2.8 887 -1.4 13.7 0.24, 0.06 0.25 0.00 3649803

2026-01-20 15:45:11 8 -12.7 -22.3 -11.3 3.2 1016 -1.2 13.6 0.24, 0.07 0.25 0.00 3649806

2026-01-20 15:48:11 9 -13.3 -21.8 -11.1 3.3 1075 -1.2 13.5 0.24, 0.07 0.25 0.00 3649809

2026-01-20 15:51:11 10 -13.1 -22.9 -11.2 3.2 1044 -1.2 13.6 0.24, 0.07 0.25 1.40 3649810

2026-01-20 15:54:11 11 -14.1 -22.4 -10.7 3.5 1131 -4.7 10.7 0.19, 0.01 0.19 1.19 3649813

2026-01-20 15:57:11 12 -14.5 -23.1 -11.6 3.4 1092 -6.2 9.5 0.17, -0.02 0.17 0.84 3649814

2026-01-20 16:00:23 13 -14.9 -23.6 -11.7 3.3 1070 -8.6 7.7 0.13, -0.06 0.15 0.00 3649815

2026-01-20 16:03:11 14 -15.0 -22.8 -12.3 3.2 1035 -9.5 7.0 0.12, -0.08 0.14 1.08 3649818

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
2026-01-20 15:24:47	1	0.0	0.0	0.0	0.0	0			,		0.00	3649793
2026-01-20 15:27:11	2	0.0	0.0	0.0	0.0	0			,		0.00	3649794
2026-01-20 15:30:11	3	0.0	0.0	0.0	0.0	0			,		0.00	3649795
2026-01-20 15:33:11	4	-3.0	-13.9	-11.4	0.8	250	-1.4	13.5	0.24, 0.06	0.24	0.00	3649800
2026-01-20 15:36:11	5	-6.1	-16.3	-11.3	1.6	513	-1.6	13.8	0.24, 0.06	0.25	0.00	3649801
2026-01-20 15:39:11	6	-8.8	-18.2	-10.7	2.2	721	-1.8	13.9	0.24, 0.06	0.25	1.33	3649802
2026-01-20 15:42:11	7	-11.1	-20.6	-10.7	2.8	887	-1.4	13.7	0.24, 0.06	0.25	0.00	3649803
2026-01-20 15:45:11	8	-12.7	-22.3	-11.3	3.2	1016	-1.2	13.6	0.24, 0.07	0.25	0.00	3649806
2026-01-20 15:48:11	9	-13.3	-21.8	-11.1	3.3	1075	-1.2	13.5	0.24, 0.07	0.25	0.00	3649809
2026-01-20 15:51:11	10	-13.1	-22.9	-11.2	3.2	1044	-1.2	13.6	0.24, 0.07	0.25	1.40	3649810
2026-01-20 15:54:11	11	-14.1	-22.4	-10.7	3.5	1131	-4.7	10.7	0.19, 0.01	0.19	1.19	3649813
2026-01-20 15:57:11	12	-14.5	-23.1	-11.6	3.4	1092	-6.2	9.5	0.17, -0.02	0.17	0.84	3649814
2026-01-20 16:00:23	13	-14.9	-23.6	-11.7	3.3	1070	-8.6	7.7	0.13, -0.06	0.15	0.00	3649815
2026-01-20 16:03:11	14	-15.0	-22.8	-12.3	3.2	1035	-9.5	7.0	0.12, -0.08	0.14	1.08	3649818