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 15440
Detector 24h operating status: Last processed image: 0 hours and 21 minutes ago (2026-04-19 01:36 UTC) Last detected dimming: 4 hours and 51 minutes ago (2026-04-18 21:06 UTC) Overview for dimming #: 15440 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 #: 15440
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2026-04-15 14:18:11 1 0.0 0.0 0.0 0.0 0 , 0.00 3733663

2026-04-15 14:21:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3733664

2026-04-15 14:24:11 3 0.0 0.0 0.0 0.0 0 , 0.00 3733668

2026-04-15 14:27:11 4 0.0 0.0 0.0 0.0 0 , 0.00 3733669

2026-04-15 14:30:11 5 0.0 0.0 -21.5 0.0 2 , 1.76 3733671

2026-04-15 14:33:11 6 -2.4 -16.7 -20.0 0.7 126 20.3 -49.7 -0.72, 0.41 0.83 2.32 3733672

2026-04-15 14:36:11 7 -3.9 -17.9 -19.9 1.2 204 20.1 -51.9 -0.75, 0.40 0.85 1.12 3733675

2026-04-15 14:39:11 8 -4.4 -18.1 -20.2 1.3 227 20.2 -51.3 -0.74, 0.41 0.84 0.00 3733676

2026-04-15 14:42:11 9 -5.3 -18.7 -20.1 1.6 271 20.1 -53.1 -0.76, 0.40 0.86 0.00 3733679

2026-04-15 14:45:11 10 -6.3 -19.0 -20.2 1.8 307 20.1 -54.9 -0.78, 0.40 0.87 0.00 3733680

2026-04-15 14:48:11 11 -7.1 -23.2 -19.1 2.1 353 20.2 -54.2 -0.77, 0.40 0.87 0.00 3733683

2026-04-15 14:51:11 12 -7.8 -25.1 -18.7 2.3 390 20.0 -55.2 -0.78, 0.40 0.88 0.00 3733684

2026-04-15 14:54:11 13 -16.4 -26.4 -12.6 5.8 1106 20.2 -54.5 -0.77, 0.40 0.87 0.00 3733687

2026-04-15 14:57:11 14 -18.5 -27.8 -12.7 6.5 1260 20.2 -54.2 -0.77, 0.40 0.87 0.00 3733688

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
2026-04-15 14:18:11	1	0.0	0.0	0.0	0.0	0			,		0.00	3733663
2026-04-15 14:21:11	2	0.0	0.0	0.0	0.0	0			,		0.00	3733664
2026-04-15 14:24:11	3	0.0	0.0	0.0	0.0	0			,		0.00	3733668
2026-04-15 14:27:11	4	0.0	0.0	0.0	0.0	0			,		0.00	3733669
2026-04-15 14:30:11	5	0.0	0.0	-21.5	0.0	2			,		1.76	3733671
2026-04-15 14:33:11	6	-2.4	-16.7	-20.0	0.7	126	20.3	-49.7	-0.72, 0.41	0.83	2.32	3733672
2026-04-15 14:36:11	7	-3.9	-17.9	-19.9	1.2	204	20.1	-51.9	-0.75, 0.40	0.85	1.12	3733675
2026-04-15 14:39:11	8	-4.4	-18.1	-20.2	1.3	227	20.2	-51.3	-0.74, 0.41	0.84	0.00	3733676
2026-04-15 14:42:11	9	-5.3	-18.7	-20.1	1.6	271	20.1	-53.1	-0.76, 0.40	0.86	0.00	3733679
2026-04-15 14:45:11	10	-6.3	-19.0	-20.2	1.8	307	20.1	-54.9	-0.78, 0.40	0.87	0.00	3733680
2026-04-15 14:48:11	11	-7.1	-23.2	-19.1	2.1	353	20.2	-54.2	-0.77, 0.40	0.87	0.00	3733683
2026-04-15 14:51:11	12	-7.8	-25.1	-18.7	2.3	390	20.0	-55.2	-0.78, 0.40	0.88	0.00	3733684
2026-04-15 14:54:11	13	-16.4	-26.4	-12.6	5.8	1106	20.2	-54.5	-0.77, 0.40	0.87	0.00	3733687
2026-04-15 14:57:11	14	-18.5	-27.8	-12.7	6.5	1260	20.2	-54.2	-0.77, 0.40	0.87	0.00	3733688