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 14921
Detector 24h operating status: Last processed image: 0 hours and 28 minutes ago (2026-03-12 11:48 UTC) Last detected dimming: 3 hours and 7 minutes ago (2026-03-12 09:09 UTC) Overview for dimming #: 14921 back to overview Animations and graphs derotated original images ( non-derotated ) dimming intensity ( overlaid on HMI ) dimming mask base difference ( percentage ) running difference ( percentage )	more	more	more

Details for dimming #: 14921
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2026-01-22 18:33:11 1 0.0 0.0 0.0 0.0 0 , 0.00 3651834

2026-01-22 18:36:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3651835

2026-01-22 18:39:11 3 0.0 0.0 0.0 0.0 0 , 1.74 3651840

2026-01-22 18:42:11 4 0.0 0.0 0.0 0.0 0 , 0.88 3651841

2026-01-22 18:45:11 5 0.0 0.0 0.0 0.0 0 , 0.00 3651842

2026-01-22 18:48:11 6 0.0 0.0 0.0 0.0 0 , 4.19 3651843

2026-01-22 18:51:11 7 -0.2 -1.6 -9.8 0.1 17 , 1.90 3651848

2026-01-22 18:54:11 8 -1.1 -7.8 -11.5 0.3 93 -25.5 31.8 0.48, -0.36 0.60 0.00 3651849

2026-01-22 18:57:11 9 -1.7 -9.5 -12.3 0.5 127 1.5 -16.9 -0.29, 0.11 0.32 0.00 3651850

2026-01-22 19:00:11 10 -4.5 -12.3 -11.6 1.2 351 1.1 -19.4 -0.34, 0.11 0.35 0.00 3651851

2026-01-22 19:03:11 11 -3.8 -11.2 -12.0 1.0 287 1.4 -17.0 -0.30, 0.11 0.32 0.00 3651854

2026-01-22 19:06:11 12 -8.5 -11.8 -11.9 2.3 662 1.8 -18.3 -0.32, 0.12 0.34 0.00 3651855

2026-01-22 19:09:11 13 -11.7 -12.7 -11.7 3.1 918 2.8 -19.4 -0.34, 0.14 0.36 0.00 3651858

2026-01-22 19:12:11 14 -14.4 -14.7 -11.7 3.7 1097 2.8 -19.6 -0.34, 0.14 0.37 0.00 3651859

2026-01-22 19:15:11 15 -15.2 -15.7 -11.3 3.9 1161 2.8 -19.5 -0.34, 0.14 0.36 0.00 3651864

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
2026-01-22 18:33:11	1	0.0	0.0	0.0	0.0	0			,		0.00	3651834
2026-01-22 18:36:11	2	0.0	0.0	0.0	0.0	0			,		0.00	3651835
2026-01-22 18:39:11	3	0.0	0.0	0.0	0.0	0			,		1.74	3651840
2026-01-22 18:42:11	4	0.0	0.0	0.0	0.0	0			,		0.88	3651841
2026-01-22 18:45:11	5	0.0	0.0	0.0	0.0	0			,		0.00	3651842
2026-01-22 18:48:11	6	0.0	0.0	0.0	0.0	0			,		4.19	3651843
2026-01-22 18:51:11	7	-0.2	-1.6	-9.8	0.1	17			,		1.90	3651848
2026-01-22 18:54:11	8	-1.1	-7.8	-11.5	0.3	93	-25.5	31.8	0.48, -0.36	0.60	0.00	3651849
2026-01-22 18:57:11	9	-1.7	-9.5	-12.3	0.5	127	1.5	-16.9	-0.29, 0.11	0.32	0.00	3651850
2026-01-22 19:00:11	10	-4.5	-12.3	-11.6	1.2	351	1.1	-19.4	-0.34, 0.11	0.35	0.00	3651851
2026-01-22 19:03:11	11	-3.8	-11.2	-12.0	1.0	287	1.4	-17.0	-0.30, 0.11	0.32	0.00	3651854
2026-01-22 19:06:11	12	-8.5	-11.8	-11.9	2.3	662	1.8	-18.3	-0.32, 0.12	0.34	0.00	3651855
2026-01-22 19:09:11	13	-11.7	-12.7	-11.7	3.1	918	2.8	-19.4	-0.34, 0.14	0.36	0.00	3651858
2026-01-22 19:12:11	14	-14.4	-14.7	-11.7	3.7	1097	2.8	-19.6	-0.34, 0.14	0.37	0.00	3651859
2026-01-22 19:15:11	15	-15.2	-15.7	-11.3	3.9	1161	2.8	-19.5	-0.34, 0.14	0.36	0.00	3651864