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 15531
Detector 24h operating status: Last processed image: 0 hours and 24 minutes ago (2026-05-03 09:21 UTC) Last detected dimming: 0 hours and 42 minutes ago (2026-05-03 09:03 UTC) Overview for dimming #: 15531 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 #: 15531
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2026-04-29 03:33:11 1 0.0 0.0 0.0 0.0 0 , 0.00 3746666

2026-04-29 03:36:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3746667

2026-04-29 03:39:11 3 -2.4 -11.2 -11.4 0.7 214 , 0.00 3746670

2026-04-29 03:42:11 4 -3.6 -14.3 -11.9 0.9 293 4.7 2.8 0.05, 0.16 0.17 0.00 3746671

2026-04-29 03:45:11 5 -5.1 -16.5 -12.4 1.2 378 4.8 2.8 0.05, 0.16 0.17 0.00 3746674

2026-04-29 03:48:11 6 -6.6 -17.3 -12.3 1.6 489 4.9 2.8 0.05, 0.16 0.17 1.19 3746675

2026-04-29 03:51:11 7 -8.9 -19.1 -11.1 2.2 702 4.7 2.6 0.05, 0.16 0.17 0.00 3746678

2026-04-29 03:54:11 8 -13.1 -18.5 -11.0 3.4 1081 4.5 1.2 0.02, 0.16 0.16 0.00 3746681

2026-04-29 03:57:11 9 -18.5 -17.8 -10.9 4.8 1507 4.5 -1.2 -0.02, 0.16 0.16 0.00 3746682

2026-04-29 04:00:11 10 -26.5 -17.9 -12.0 6.3 1973 6.0 -1.0 -0.02, 0.18 0.18 0.00 3746684

2026-04-29 04:03:11 11 -30.9 -19.8 -12.5 6.9 2179 5.7 -1.8 -0.03, 0.18 0.18 0.00 3746685

2026-04-29 04:06:11 12 -54.6 -58.0 -13.4 10.2 3090 18.1 -3.5 -0.06, 0.39 0.39 0.00 3746689

2026-04-29 04:09:11 13 -60.7 -63.2 -13.5 11.3 3424 17.8 -3.6 -0.06, 0.38 0.39 0.00 3746690

2026-04-29 04:12:11 14 -61.1 -67.4 -14.3 10.9 3306 18.1 -3.6 -0.06, 0.39 0.39 0.95 3746693

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
2026-04-29 03:33:11	1	0.0	0.0	0.0	0.0	0			,		0.00	3746666
2026-04-29 03:36:11	2	0.0	0.0	0.0	0.0	0			,		0.00	3746667
2026-04-29 03:39:11	3	-2.4	-11.2	-11.4	0.7	214			,		0.00	3746670
2026-04-29 03:42:11	4	-3.6	-14.3	-11.9	0.9	293	4.7	2.8	0.05, 0.16	0.17	0.00	3746671
2026-04-29 03:45:11	5	-5.1	-16.5	-12.4	1.2	378	4.8	2.8	0.05, 0.16	0.17	0.00	3746674
2026-04-29 03:48:11	6	-6.6	-17.3	-12.3	1.6	489	4.9	2.8	0.05, 0.16	0.17	1.19	3746675
2026-04-29 03:51:11	7	-8.9	-19.1	-11.1	2.2	702	4.7	2.6	0.05, 0.16	0.17	0.00	3746678
2026-04-29 03:54:11	8	-13.1	-18.5	-11.0	3.4	1081	4.5	1.2	0.02, 0.16	0.16	0.00	3746681
2026-04-29 03:57:11	9	-18.5	-17.8	-10.9	4.8	1507	4.5	-1.2	-0.02, 0.16	0.16	0.00	3746682
2026-04-29 04:00:11	10	-26.5	-17.9	-12.0	6.3	1973	6.0	-1.0	-0.02, 0.18	0.18	0.00	3746684
2026-04-29 04:03:11	11	-30.9	-19.8	-12.5	6.9	2179	5.7	-1.8	-0.03, 0.18	0.18	0.00	3746685
2026-04-29 04:06:11	12	-54.6	-58.0	-13.4	10.2	3090	18.1	-3.5	-0.06, 0.39	0.39	0.00	3746689
2026-04-29 04:09:11	13	-60.7	-63.2	-13.5	11.3	3424	17.8	-3.6	-0.06, 0.38	0.39	0.00	3746690
2026-04-29 04:12:11	14	-61.1	-67.4	-14.3	10.9	3306	18.1	-3.6	-0.06, 0.39	0.39	0.95	3746693