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 13641
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 #: 13641 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 #: 13641
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2025-08-17 06:48:35 1 0.0 0.0 0.0 0.0 0 , 0.00 3502847

2025-08-17 06:51:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3502849

2025-08-17 06:54:11 3 0.0 0.0 0.0 0.0 0 , 0.00 3502852

2025-08-17 06:57:11 4 -2.0 -9.6 -9.7 0.6 189 1.2 -1.6 -0.03, -0.10 0.10 0.96 3502853

2025-08-17 07:00:11 5 -5.0 -12.1 -10.6 1.4 441 1.3 -2.0 -0.04, -0.10 0.10 1.09 3502856

2025-08-17 07:03:11 6 -9.3 -16.8 -12.5 2.3 714 1.4 -1.7 -0.03, -0.09 0.10 1.22 3502857

2025-08-17 07:06:11 7 -11.6 -18.8 -13.1 2.6 810 1.4 -1.2 -0.02, -0.09 0.10 1.52 3502860

2025-08-17 07:09:11 8 -12.9 -20.2 -13.1 2.7 859 1.4 -0.6 -0.01, -0.09 0.10 0.00 3502861

2025-08-17 07:12:11 9 -14.8 -23.5 -12.6 3.1 960 1.4 -0.8 -0.01, -0.10 0.10 0.00 3502864

2025-08-17 07:15:11 10 -16.4 -25.8 -12.4 3.4 1063 1.3 -0.9 -0.02, -0.10 0.10 0.00 3502865

2025-08-17 07:18:11 11 -18.2 -31.6 -13.1 3.5 1111 1.3 -1.7 -0.03, -0.10 0.10 0.00 3502868

2025-08-17 07:21:11 12 -19.4 -34.5 -13.0 3.6 1144 1.1 -1.5 -0.03, -0.10 0.10 0.00 3502869

2025-08-17 07:24:11 13 -19.9 -34.7 -12.6 3.8 1202 1.1 -0.9 -0.02, -0.10 0.10 0.00 3502872

2025-08-17 07:27:11 14 -20.2 -36.2 -12.8 3.7 1174 1.0 -0.9 -0.02, -0.10 0.10 0.00 3502873

2025-08-17 07:30:11 15 -20.1 -34.8 -12.7 3.7 1178 1.0 -0.5 -0.01, -0.10 0.10 0.00 3502876

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
2025-08-17 06:48:35	1	0.0	0.0	0.0	0.0	0			,		0.00	3502847
2025-08-17 06:51:11	2	0.0	0.0	0.0	0.0	0			,		0.00	3502849
2025-08-17 06:54:11	3	0.0	0.0	0.0	0.0	0			,		0.00	3502852
2025-08-17 06:57:11	4	-2.0	-9.6	-9.7	0.6	189	1.2	-1.6	-0.03, -0.10	0.10	0.96	3502853
2025-08-17 07:00:11	5	-5.0	-12.1	-10.6	1.4	441	1.3	-2.0	-0.04, -0.10	0.10	1.09	3502856
2025-08-17 07:03:11	6	-9.3	-16.8	-12.5	2.3	714	1.4	-1.7	-0.03, -0.09	0.10	1.22	3502857
2025-08-17 07:06:11	7	-11.6	-18.8	-13.1	2.6	810	1.4	-1.2	-0.02, -0.09	0.10	1.52	3502860
2025-08-17 07:09:11	8	-12.9	-20.2	-13.1	2.7	859	1.4	-0.6	-0.01, -0.09	0.10	0.00	3502861
2025-08-17 07:12:11	9	-14.8	-23.5	-12.6	3.1	960	1.4	-0.8	-0.01, -0.10	0.10	0.00	3502864
2025-08-17 07:15:11	10	-16.4	-25.8	-12.4	3.4	1063	1.3	-0.9	-0.02, -0.10	0.10	0.00	3502865
2025-08-17 07:18:11	11	-18.2	-31.6	-13.1	3.5	1111	1.3	-1.7	-0.03, -0.10	0.10	0.00	3502868
2025-08-17 07:21:11	12	-19.4	-34.5	-13.0	3.6	1144	1.1	-1.5	-0.03, -0.10	0.10	0.00	3502869
2025-08-17 07:24:11	13	-19.9	-34.7	-12.6	3.8	1202	1.1	-0.9	-0.02, -0.10	0.10	0.00	3502872
2025-08-17 07:27:11	14	-20.2	-36.2	-12.8	3.7	1174	1.0	-0.9	-0.02, -0.10	0.10	0.00	3502873
2025-08-17 07:30:11	15	-20.1	-34.8	-12.7	3.7	1178	1.0	-0.5	-0.01, -0.10	0.10	0.00	3502876