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 13604
Detector 24h operating status: Last processed image: 0 hours and 17 minutes ago (2025-08-18 02:51 UTC) Last detected dimming: 2 hours and 29 minutes ago (2025-08-18 00:39 UTC) Overview for dimming #: 13604 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 #: 13604
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2025-08-12 00:12:11 1 0.0 0.0 0.0 0.0 0 , 1.17 3497789

2025-08-12 00:15:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3497792

2025-08-12 00:18:11 3 0.0 0.0 0.0 0.0 0 , 0.00 3497793

2025-08-12 00:21:11 4 -2.9 -7.8 -8.9 0.0 314 1.21, -0.05 1.21 0.00 3497796

2025-08-12 00:24:11 5 -8.7 -14.3 -10.9 0.0 766 1.19, -0.05 1.19 1.48 3497797

2025-08-12 00:27:11 6 -10.6 -15.5 -11.6 0.0 867 1.17, -0.04 1.17 2.95 3497800

2025-08-12 00:30:11 7 -13.0 -17.3 -12.1 0.0 1030 1.17, -0.04 1.17 3.44 3497801

2025-08-12 00:33:00 8 -17.2 -21.7 -11.6 0.0 1284 1.16, -0.03 1.16 3.76 3497804

2025-08-12 00:36:11 9 -18.6 -19.6 -10.8 0.0 1496 1.17, -0.03 1.17 0.00 3497805

2025-08-12 00:39:11 10 -20.9 -19.2 -11.0 0.0 1658 1.17, -0.02 1.17 1.56 3497808

2025-08-12 00:42:11 11 -22.7 -19.4 -11.7 0.0 1742 1.17, -0.02 1.17 0.00 3497809

2025-08-12 00:45:11 12 -24.4 -20.2 -12.1 0.0 1844 1.17, -0.02 1.17 0.00 3497812

2025-08-12 00:48:11 13 -26.3 -21.4 -12.4 0.0 1952 1.17, -0.03 1.17 0.00 3497813

2025-08-12 00:51:11 14 -28.1 -22.8 -12.3 0.0 2116 1.18, -0.04 1.18 0.00 3497816

2025-08-12 00:54:11 15 -29.3 -22.9 -12.3 0.0 2215 1.18, -0.04 1.18 0.00 3497817

2025-08-12 00:57:11 16 -30.8 -24.2 -12.5 0.0 2262 1.18, -0.04 1.18 0.00 3497820

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	size	x,y in R☉	dist. R☉	detection	Img ID
2025-08-12 00:12:11	1	0.0	0.0	0.0	0	,		1.17	3497789
2025-08-12 00:15:11	2	0.0	0.0	0.0	0	,		0.00	3497792
2025-08-12 00:18:11	3	0.0	0.0	0.0	0	,		0.00	3497793
2025-08-12 00:21:11	4	-2.9	-7.8	-8.9	314	1.21, -0.05	1.21	0.00	3497796
2025-08-12 00:24:11	5	-8.7	-14.3	-10.9	766	1.19, -0.05	1.19	1.48	3497797
2025-08-12 00:27:11	6	-10.6	-15.5	-11.6	867	1.17, -0.04	1.17	2.95	3497800
2025-08-12 00:30:11	7	-13.0	-17.3	-12.1	1030	1.17, -0.04	1.17	3.44	3497801
2025-08-12 00:33:00	8	-17.2	-21.7	-11.6	1284	1.16, -0.03	1.16	3.76	3497804
2025-08-12 00:36:11	9	-18.6	-19.6	-10.8	1496	1.17, -0.03	1.17	0.00	3497805
2025-08-12 00:39:11	10	-20.9	-19.2	-11.0	1658	1.17, -0.02	1.17	1.56	3497808
2025-08-12 00:42:11	11	-22.7	-19.4	-11.7	1742	1.17, -0.02	1.17	0.00	3497809
2025-08-12 00:45:11	12	-24.4	-20.2	-12.1	1844	1.17, -0.02	1.17	0.00	3497812
2025-08-12 00:48:11	13	-26.3	-21.4	-12.4	1952	1.17, -0.03	1.17	0.00	3497813
2025-08-12 00:51:11	14	-28.1	-22.8	-12.3	2116	1.18, -0.04	1.18	0.00	3497816
2025-08-12 00:54:11	15	-29.3	-22.9	-12.3	2215	1.18, -0.04	1.18	0.00	3497817
2025-08-12 00:57:11	16	-30.8	-24.2	-12.5	2262	1.18, -0.04	1.18	0.00	3497820