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 15957
Detector 24h operating status: Last processed image: 0 hours and 22 minutes ago (2026-08-08 00:12 UTC) Last detected dimming: 17 hours and 30 minutes ago (2026-08-07 07:03 UTC) Overview for dimming #: 15957 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 #: 15957
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2026-07-18 05:45:35 1 0.0 0.0 0.0 0.0 0 , 1.90 3822840

2026-07-18 05:48:11 2 0.0 0.0 0.0 0.0 0 , 1.26 3822843

2026-07-18 05:51:11 3 0.0 0.0 0.0 0.0 0 , 0.94 3822844

2026-07-18 05:54:11 4 0.0 0.0 -10.4 0.0 3 -1.0 -12.4 -0.22, -0.10 0.24 1.14 3822847

2026-07-18 05:57:11 5 -0.1 -0.9 -10.2 0.0 12 -0.7 -11.9 -0.21, -0.09 0.23 1.18 3822848

2026-07-18 06:00:11 6 -1.0 -7.2 -10.8 0.3 87 5.0 -16.6 -0.29, 0.01 0.29 1.41 3822851

2026-07-18 06:03:11 7 -0.9 -8.3 -12.6 0.2 72 5.1 -16.6 -0.29, 0.01 0.29 0.00 3822852

2026-07-18 06:06:11 8 -1.0 -7.8 -12.6 0.3 77 5.6 -16.8 -0.29, 0.02 0.29 0.00 3822855

2026-07-18 06:09:35 9 -1.8 -11.9 -11.4 0.5 139 2.8 -15.8 -0.28, -0.03 0.28 0.00 3822856

2026-07-18 06:12:11 10 -2.2 -12.6 -12.0 0.5 165 2.9 -15.8 -0.27, -0.03 0.28 0.88 3822859

2026-07-18 06:15:11 11 -2.1 -12.1 -12.7 0.5 153 2.3 -15.5 -0.27, -0.04 0.27 0.00 3822860

2026-07-18 06:18:11 12 -1.6 -9.6 -12.2 0.4 122 1.1 -14.5 -0.25, -0.06 0.26 0.00 3822863

2026-07-18 06:21:35 13 -3.0 -12.2 -15.3 0.6 184 0.6 -14.4 -0.25, -0.07 0.26 0.00 3822864

2026-07-18 06:24:11 14 -5.2 -16.9 -16.4 1.0 291 1.2 -14.3 -0.25, -0.06 0.26 0.00 3822867

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
2026-07-18 05:45:35	1	0.0	0.0	0.0	0.0	0			,		1.90	3822840
2026-07-18 05:48:11	2	0.0	0.0	0.0	0.0	0			,		1.26	3822843
2026-07-18 05:51:11	3	0.0	0.0	0.0	0.0	0			,		0.94	3822844
2026-07-18 05:54:11	4	0.0	0.0	-10.4	0.0	3	-1.0	-12.4	-0.22, -0.10	0.24	1.14	3822847
2026-07-18 05:57:11	5	-0.1	-0.9	-10.2	0.0	12	-0.7	-11.9	-0.21, -0.09	0.23	1.18	3822848
2026-07-18 06:00:11	6	-1.0	-7.2	-10.8	0.3	87	5.0	-16.6	-0.29, 0.01	0.29	1.41	3822851
2026-07-18 06:03:11	7	-0.9	-8.3	-12.6	0.2	72	5.1	-16.6	-0.29, 0.01	0.29	0.00	3822852
2026-07-18 06:06:11	8	-1.0	-7.8	-12.6	0.3	77	5.6	-16.8	-0.29, 0.02	0.29	0.00	3822855
2026-07-18 06:09:35	9	-1.8	-11.9	-11.4	0.5	139	2.8	-15.8	-0.28, -0.03	0.28	0.00	3822856
2026-07-18 06:12:11	10	-2.2	-12.6	-12.0	0.5	165	2.9	-15.8	-0.27, -0.03	0.28	0.88	3822859
2026-07-18 06:15:11	11	-2.1	-12.1	-12.7	0.5	153	2.3	-15.5	-0.27, -0.04	0.27	0.00	3822860
2026-07-18 06:18:11	12	-1.6	-9.6	-12.2	0.4	122	1.1	-14.5	-0.25, -0.06	0.26	0.00	3822863
2026-07-18 06:21:35	13	-3.0	-12.2	-15.3	0.6	184	0.6	-14.4	-0.25, -0.07	0.26	0.00	3822864
2026-07-18 06:24:11	14	-5.2	-16.9	-16.4	1.0	291	1.2	-14.3	-0.25, -0.06	0.26	0.00	3822867