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 15409
Detector 24h operating status: Last processed image: 0 hours and 15 minutes ago (2026-04-11 09:27 UTC) Last detected dimming: 65 hours and 6 minutes ago (2026-04-08 16:36 UTC) Overview for dimming #: 15409 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 #: 15409
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2026-04-04 09:06:11 1 0.0 0.0 0.0 0.0 0 , 0.00 3725835

2026-04-04 09:09:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3725836

2026-04-04 09:12:11 3 0.0 0.0 -17.0 0.0 2 , 0.00 3725837

2026-04-04 09:15:11 4 -3.8 -12.4 -10.6 1.0 305 , 0.00 3725838

2026-04-04 09:18:11 5 -10.1 -18.5 -10.4 2.6 779 -26.7 -0.4 -0.01, -0.35 0.35 0.00 3725839

2026-04-04 09:21:11 6 -14.3 -21.8 -11.5 3.5 1038 -27.3 0.2 0.00, -0.36 0.36 1.06 3725840

2026-04-04 09:24:11 7 -19.2 -24.4 -11.4 4.7 1399 -28.2 1.7 0.03, -0.38 0.38 2.26 3725841

2026-04-04 09:27:11 8 -24.7 -26.8 -11.8 5.8 1727 -28.8 2.1 0.03, -0.39 0.39 2.47 3725842

2026-04-04 09:30:11 9 -29.9 -30.1 -12.1 6.9 2063 -28.9 2.6 0.04, -0.39 0.39 0.94 3725843

2026-04-04 09:33:11 10 -35.0 -32.2 -12.0 8.2 2438 -29.0 3.0 0.05, -0.39 0.39 0.00 3725844

2026-04-04 09:36:11 11 -39.4 -33.8 -12.0 9.1 2722 -28.3 2.6 0.04, -0.38 0.38 0.00 3725845

2026-04-04 09:39:11 12 -41.7 -34.8 -12.1 9.5 2832 -27.7 2.1 0.03, -0.37 0.37 0.00 3725846

2026-04-04 09:42:11 13 -44.8 -36.1 -11.7 10.3 3087 -27.0 1.4 0.02, -0.36 0.36 0.00 3725847

2026-04-04 09:45:11 14 -47.6 -36.3 -11.5 10.9 3268 -26.8 1.2 0.02, -0.35 0.35 0.00 3725848

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
2026-04-04 09:06:11	1	0.0	0.0	0.0	0.0	0			,		0.00	3725835
2026-04-04 09:09:11	2	0.0	0.0	0.0	0.0	0			,		0.00	3725836
2026-04-04 09:12:11	3	0.0	0.0	-17.0	0.0	2			,		0.00	3725837
2026-04-04 09:15:11	4	-3.8	-12.4	-10.6	1.0	305			,		0.00	3725838
2026-04-04 09:18:11	5	-10.1	-18.5	-10.4	2.6	779	-26.7	-0.4	-0.01, -0.35	0.35	0.00	3725839
2026-04-04 09:21:11	6	-14.3	-21.8	-11.5	3.5	1038	-27.3	0.2	0.00, -0.36	0.36	1.06	3725840
2026-04-04 09:24:11	7	-19.2	-24.4	-11.4	4.7	1399	-28.2	1.7	0.03, -0.38	0.38	2.26	3725841
2026-04-04 09:27:11	8	-24.7	-26.8	-11.8	5.8	1727	-28.8	2.1	0.03, -0.39	0.39	2.47	3725842
2026-04-04 09:30:11	9	-29.9	-30.1	-12.1	6.9	2063	-28.9	2.6	0.04, -0.39	0.39	0.94	3725843
2026-04-04 09:33:11	10	-35.0	-32.2	-12.0	8.2	2438	-29.0	3.0	0.05, -0.39	0.39	0.00	3725844
2026-04-04 09:36:11	11	-39.4	-33.8	-12.0	9.1	2722	-28.3	2.6	0.04, -0.38	0.38	0.00	3725845
2026-04-04 09:39:11	12	-41.7	-34.8	-12.1	9.5	2832	-27.7	2.1	0.03, -0.37	0.37	0.00	3725846
2026-04-04 09:42:11	13	-44.8	-36.1	-11.7	10.3	3087	-27.0	1.4	0.02, -0.36	0.36	0.00	3725847
2026-04-04 09:45:11	14	-47.6	-36.3	-11.5	10.9	3268	-26.8	1.2	0.02, -0.35	0.35	0.00	3725848