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 15311
Detector 24h operating status: Last processed image: 0 hours and 19 minutes ago (2026-04-30 05:45 UTC) Last detected dimming: 0 hours and 19 minutes ago (2026-04-30 05:45 UTC) Overview for dimming #: 15311 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 #: 15311
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2026-03-29 16:21:11 1 0.0 0.0 0.0 0.0 0 , 0.00 3712882

2026-03-29 16:24:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3712886

2026-03-29 16:27:11 3 0.0 0.0 0.0 0.0 0 , 0.00 3712887

2026-03-29 16:30:11 4 0.0 0.0 0.0 0.0 0 , 0.00 3712888

2026-03-29 16:33:11 5 0.0 0.0 0.0 0.0 0 , 1.59 3712889

2026-03-29 16:36:11 6 -0.1 0.0 -25.6 0.0 3 , 4.78 3712897

2026-03-29 16:39:11 7 -0.1 0.0 -24.0 0.0 3 29.3 32.7 0.48, 0.58 0.75 0.94 3712898

2026-03-29 16:42:11 8 -0.1 -0.6 -10.6 0.0 7 29.7 33.0 0.48, 0.58 0.75 1.43 3712899

2026-03-29 16:45:11 9 -0.3 -1.6 -9.6 0.1 20 29.6 32.8 0.48, 0.58 0.75 0.00 3712900

2026-03-29 16:48:11 10 -0.9 -8.8 -17.7 0.2 52 , 0.00 3712901

2026-03-29 16:51:11 11 -1.4 -13.5 -18.7 0.3 72 , 0.00 3712902

2026-03-29 16:54:11 12 -3.1 -14.5 -17.3 1.0 166 -20.1 -64.4 -0.86, -0.30 0.91 0.91 3712907

2026-03-29 16:57:11 13 -4.1 -16.1 -18.2 1.3 211 -20.0 -62.7 -0.84, -0.29 0.89 0.00 3712908

2026-03-29 17:00:11 14 -5.1 -19.2 -20.0 1.5 244 -20.6 -64.4 -0.85, -0.31 0.91 0.00 3712909

2026-03-29 17:03:11 15 -5.7 -21.4 -21.4 1.6 267 -20.6 -64.8 -0.86, -0.31 0.91 0.00 3712910

2026-03-29 17:06:11 16 -6.4 -23.0 -22.2 1.8 284 -20.8 -65.1 -0.86, -0.31 0.91 0.00 3712913

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
2026-03-29 16:21:11	1	0.0	0.0	0.0	0.0	0			,		0.00	3712882
2026-03-29 16:24:11	2	0.0	0.0	0.0	0.0	0			,		0.00	3712886
2026-03-29 16:27:11	3	0.0	0.0	0.0	0.0	0			,		0.00	3712887
2026-03-29 16:30:11	4	0.0	0.0	0.0	0.0	0			,		0.00	3712888
2026-03-29 16:33:11	5	0.0	0.0	0.0	0.0	0			,		1.59	3712889
2026-03-29 16:36:11	6	-0.1	0.0	-25.6	0.0	3			,		4.78	3712897
2026-03-29 16:39:11	7	-0.1	0.0	-24.0	0.0	3	29.3	32.7	0.48, 0.58	0.75	0.94	3712898
2026-03-29 16:42:11	8	-0.1	-0.6	-10.6	0.0	7	29.7	33.0	0.48, 0.58	0.75	1.43	3712899
2026-03-29 16:45:11	9	-0.3	-1.6	-9.6	0.1	20	29.6	32.8	0.48, 0.58	0.75	0.00	3712900
2026-03-29 16:48:11	10	-0.9	-8.8	-17.7	0.2	52			,		0.00	3712901
2026-03-29 16:51:11	11	-1.4	-13.5	-18.7	0.3	72			,		0.00	3712902
2026-03-29 16:54:11	12	-3.1	-14.5	-17.3	1.0	166	-20.1	-64.4	-0.86, -0.30	0.91	0.91	3712907
2026-03-29 16:57:11	13	-4.1	-16.1	-18.2	1.3	211	-20.0	-62.7	-0.84, -0.29	0.89	0.00	3712908
2026-03-29 17:00:11	14	-5.1	-19.2	-20.0	1.5	244	-20.6	-64.4	-0.85, -0.31	0.91	0.00	3712909
2026-03-29 17:03:11	15	-5.7	-21.4	-21.4	1.6	267	-20.6	-64.8	-0.86, -0.31	0.91	0.00	3712910
2026-03-29 17:06:11	16	-6.4	-23.0	-22.2	1.8	284	-20.8	-65.1	-0.86, -0.31	0.91	0.00	3712913