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 13558
Detector 24h operating status: Last processed image: 0 hours and 24 minutes ago (2026-08-16 07:12 UTC) Last detected dimming: 0 hours and 24 minutes ago (2026-08-16 07:12 UTC) Overview for dimming #: 13558 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 #: 13558
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2025-08-07 14:33:11 1 0.0 0.0 0.0 0.0 0 , 0.00 3493629

2025-08-07 14:36:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3493632

2025-08-07 14:39:11 3 0.0 0.0 0.0 0.0 0 , 1.35 3493633

2025-08-07 14:42:11 4 0.0 0.0 0.0 0.0 0 , 1.40 3493636

2025-08-07 14:45:11 5 -0.2 -1.2 -11.5 0.1 15 0.0 32.3 0.54, -0.09 0.55 1.13 3493637

2025-08-07 14:48:11 6 0.0 0.0 0.0 0.0 0 , 1.75 3493640

2025-08-07 14:51:11 7 -1.4 -7.4 -12.8 0.5 102 -0.8 33.8 0.56, -0.11 0.57 1.66 3493641

2025-08-07 14:54:11 8 -3.6 -11.9 -12.5 1.3 276 3.6 50.8 0.78, -0.01 0.78 1.31 3493644

2025-08-07 14:57:11 9 -6.4 -14.9 -11.8 2.3 489 3.3 47.9 0.75, -0.02 0.75 0.00 3493645

2025-08-07 15:00:11 10 -9.1 -17.3 -11.8 3.2 687 3.4 47.5 0.74, -0.01 0.74 0.00 3493648

2025-08-07 15:03:11 11 -10.8 -20.2 -11.9 3.6 782 3.2 47.1 0.74, -0.02 0.74 0.00 3493649

2025-08-07 15:06:11 12 -12.5 -20.3 -12.0 4.2 906 2.7 47.0 0.74, -0.03 0.74 0.00 3493652

2025-08-07 15:09:11 13 -16.2 -22.2 -12.0 5.3 1161 2.1 45.5 0.72, -0.04 0.72 0.00 3493653

2025-08-07 15:12:11 14 -17.6 -22.6 -12.4 5.6 1237 1.8 45.1 0.72, -0.04 0.72 0.00 3493656

2025-08-07 15:15:11 15 -19.5 -24.9 -13.0 6.0 1311 1.5 44.4 0.71, -0.05 0.71 0.00 3493657

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
2025-08-07 14:33:11	1	0.0	0.0	0.0	0.0	0			,		0.00	3493629
2025-08-07 14:36:11	2	0.0	0.0	0.0	0.0	0			,		0.00	3493632
2025-08-07 14:39:11	3	0.0	0.0	0.0	0.0	0			,		1.35	3493633
2025-08-07 14:42:11	4	0.0	0.0	0.0	0.0	0			,		1.40	3493636
2025-08-07 14:45:11	5	-0.2	-1.2	-11.5	0.1	15	0.0	32.3	0.54, -0.09	0.55	1.13	3493637
2025-08-07 14:48:11	6	0.0	0.0	0.0	0.0	0			,		1.75	3493640
2025-08-07 14:51:11	7	-1.4	-7.4	-12.8	0.5	102	-0.8	33.8	0.56, -0.11	0.57	1.66	3493641
2025-08-07 14:54:11	8	-3.6	-11.9	-12.5	1.3	276	3.6	50.8	0.78, -0.01	0.78	1.31	3493644
2025-08-07 14:57:11	9	-6.4	-14.9	-11.8	2.3	489	3.3	47.9	0.75, -0.02	0.75	0.00	3493645
2025-08-07 15:00:11	10	-9.1	-17.3	-11.8	3.2	687	3.4	47.5	0.74, -0.01	0.74	0.00	3493648
2025-08-07 15:03:11	11	-10.8	-20.2	-11.9	3.6	782	3.2	47.1	0.74, -0.02	0.74	0.00	3493649
2025-08-07 15:06:11	12	-12.5	-20.3	-12.0	4.2	906	2.7	47.0	0.74, -0.03	0.74	0.00	3493652
2025-08-07 15:09:11	13	-16.2	-22.2	-12.0	5.3	1161	2.1	45.5	0.72, -0.04	0.72	0.00	3493653
2025-08-07 15:12:11	14	-17.6	-22.6	-12.4	5.6	1237	1.8	45.1	0.72, -0.04	0.72	0.00	3493656
2025-08-07 15:15:11	15	-19.5	-24.9	-13.0	6.0	1311	1.5	44.4	0.71, -0.05	0.71	0.00	3493657