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 15931
Detector 24h operating status: Last processed image: 0 hours and 15 minutes ago (2026-07-11 17:12 UTC) Last detected dimming: 24 hours and 32 minutes ago (2026-07-10 16:54 UTC) Overview for dimming #: 15931 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 #: 15931
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2026-07-07 15:30:11 1 0.0 0.0 0.0 0.0 0 , 1.67 3813086

2026-07-07 15:33:11 2 0.0 0.0 0.0 0.0 0 , 1.06 3813087

2026-07-07 15:36:11 3 -2.0 -16.1 -18.5 1.0 106 , 0.00 3813090

2026-07-07 15:39:11 4 -5.4 -21.4 -16.6 2.8 285 -19.5 -66.7 -0.87, -0.36 0.95 1.00 3813091

2026-07-07 15:42:11 5 -9.6 -24.7 -18.8 4.4 470 -19.5 -67.1 -0.88, -0.36 0.95 1.37 3813094

2026-07-07 15:45:11 6 -12.5 -27.5 -18.9 5.5 585 -18.9 -65.6 -0.87, -0.35 0.94 1.38 3813095

2026-07-07 15:48:11 7 -16.3 -33.0 -20.4 6.7 695 -19.0 -66.4 -0.88, -0.35 0.94 1.45 3813096

2026-07-07 15:51:11 8 -18.7 -36.5 -21.2 7.2 737 -18.8 -65.9 -0.87, -0.35 0.94 0.97 3813100

2026-07-07 15:54:11 9 -19.7 -38.7 -22.6 7.2 753 -18.9 -66.6 -0.88, -0.35 0.94 0.00 3813102

2026-07-07 15:57:11 10 -20.7 -41.7 -22.8 7.4 767 -19.1 -67.1 -0.88, -0.35 0.95 0.00 3813103

2026-07-07 16:00:11 11 -21.1 -44.0 -22.9 7.5 764 -19.0 -66.6 -0.88, -0.35 0.94 0.00 3813106

2026-07-07 16:03:11 12 -21.0 -46.3 -23.1 7.4 759 -19.4 -68.0 -0.88, -0.36 0.95 0.00 3813107

2026-07-07 16:06:11 13 -22.5 -46.6 -23.3 7.9 808 -19.2 -67.5 -0.88, -0.35 0.95 0.00 3813110

2026-07-07 16:09:11 14 -24.6 -47.4 -22.8 7.9 819 -18.8 -66.8 -0.88, -0.35 0.95 0.00 3813111

2026-07-07 16:12:11 15 -25.0 -49.4 -24.2 7.9 808 -18.9 -67.0 -0.88, -0.35 0.95 0.00 3813114

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
2026-07-07 15:30:11	1	0.0	0.0	0.0	0.0	0			,		1.67	3813086
2026-07-07 15:33:11	2	0.0	0.0	0.0	0.0	0			,		1.06	3813087
2026-07-07 15:36:11	3	-2.0	-16.1	-18.5	1.0	106			,		0.00	3813090
2026-07-07 15:39:11	4	-5.4	-21.4	-16.6	2.8	285	-19.5	-66.7	-0.87, -0.36	0.95	1.00	3813091
2026-07-07 15:42:11	5	-9.6	-24.7	-18.8	4.4	470	-19.5	-67.1	-0.88, -0.36	0.95	1.37	3813094
2026-07-07 15:45:11	6	-12.5	-27.5	-18.9	5.5	585	-18.9	-65.6	-0.87, -0.35	0.94	1.38	3813095
2026-07-07 15:48:11	7	-16.3	-33.0	-20.4	6.7	695	-19.0	-66.4	-0.88, -0.35	0.94	1.45	3813096
2026-07-07 15:51:11	8	-18.7	-36.5	-21.2	7.2	737	-18.8	-65.9	-0.87, -0.35	0.94	0.97	3813100
2026-07-07 15:54:11	9	-19.7	-38.7	-22.6	7.2	753	-18.9	-66.6	-0.88, -0.35	0.94	0.00	3813102
2026-07-07 15:57:11	10	-20.7	-41.7	-22.8	7.4	767	-19.1	-67.1	-0.88, -0.35	0.95	0.00	3813103
2026-07-07 16:00:11	11	-21.1	-44.0	-22.9	7.5	764	-19.0	-66.6	-0.88, -0.35	0.94	0.00	3813106
2026-07-07 16:03:11	12	-21.0	-46.3	-23.1	7.4	759	-19.4	-68.0	-0.88, -0.36	0.95	0.00	3813107
2026-07-07 16:06:11	13	-22.5	-46.6	-23.3	7.9	808	-19.2	-67.5	-0.88, -0.35	0.95	0.00	3813110
2026-07-07 16:09:11	14	-24.6	-47.4	-22.8	7.9	819	-18.8	-66.8	-0.88, -0.35	0.95	0.00	3813111
2026-07-07 16:12:11	15	-25.0	-49.4	-24.2	7.9	808	-18.9	-67.0	-0.88, -0.35	0.95	0.00	3813114