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 13348
Detector 24h operating status: Last processed image: 0 hours and 23 minutes ago (2026-05-14 19:15 UTC) Last detected dimming: 0 hours and 23 minutes ago (2026-05-14 19:15 UTC) Overview for dimming #: 13348 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 #: 13348
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2025-07-19 13:45:11 1 0.0 0.0 0.0 0.0 0 , 0.87 3475902

2025-07-19 13:48:11 2 0.0 0.0 0.0 0.0 0 , 1.00 3475905

2025-07-19 13:51:11 3 0.0 0.0 0.0 0.0 0 , 0.00 3475906

2025-07-19 13:54:11 4 0.0 0.0 0.0 0.0 0 , 0.00 3475909

2025-07-19 13:57:11 5 0.0 0.0 0.0 0.0 0 , 0.00 3475910

2025-07-19 14:00:11 6 0.0 0.0 0.0 0.0 0 , 2.51 3475913

2025-07-19 14:03:11 7 0.0 0.0 -8.6 0.0 5 0.4 49.1 0.76, -0.05 0.77 0.91 3475914

2025-07-19 14:06:11 8 -0.1 -0.5 -10.1 0.1 12 0.2 49.1 0.76, -0.05 0.77 0.00 3475917

2025-07-19 14:09:11 9 -0.9 -4.2 -11.0 0.3 63 4.6 55.1 0.83, 0.03 0.83 0.00 3475918

2025-07-19 14:12:11 10 -1.9 -8.2 -12.8 0.7 129 4.6 55.9 0.83, 0.03 0.84 0.00 3475921

2025-07-19 14:15:11 11 -1.9 -11.5 -13.9 0.7 123 4.6 55.1 0.83, 0.03 0.83 0.00 3475922

2025-07-19 14:18:11 12 -2.7 -13.6 -13.9 0.9 170 4.6 55.1 0.83, 0.03 0.83 1.52 3475925

2025-07-19 14:21:11 13 -3.1 -13.4 -14.3 1.0 196 4.7 54.9 0.82, 0.03 0.83 1.08 3475926

2025-07-19 14:24:11 14 -3.2 -13.7 -15.7 1.0 194 4.7 54.9 0.82, 0.04 0.83 0.00 3475929

2025-07-19 14:27:11 15 -3.4 -15.9 -15.1 1.1 197 4.7 54.6 0.82, 0.03 0.82 0.00 3475930

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
2025-07-19 13:45:11	1	0.0	0.0	0.0	0.0	0			,		0.87	3475902
2025-07-19 13:48:11	2	0.0	0.0	0.0	0.0	0			,		1.00	3475905
2025-07-19 13:51:11	3	0.0	0.0	0.0	0.0	0			,		0.00	3475906
2025-07-19 13:54:11	4	0.0	0.0	0.0	0.0	0			,		0.00	3475909
2025-07-19 13:57:11	5	0.0	0.0	0.0	0.0	0			,		0.00	3475910
2025-07-19 14:00:11	6	0.0	0.0	0.0	0.0	0			,		2.51	3475913
2025-07-19 14:03:11	7	0.0	0.0	-8.6	0.0	5	0.4	49.1	0.76, -0.05	0.77	0.91	3475914
2025-07-19 14:06:11	8	-0.1	-0.5	-10.1	0.1	12	0.2	49.1	0.76, -0.05	0.77	0.00	3475917
2025-07-19 14:09:11	9	-0.9	-4.2	-11.0	0.3	63	4.6	55.1	0.83, 0.03	0.83	0.00	3475918
2025-07-19 14:12:11	10	-1.9	-8.2	-12.8	0.7	129	4.6	55.9	0.83, 0.03	0.84	0.00	3475921
2025-07-19 14:15:11	11	-1.9	-11.5	-13.9	0.7	123	4.6	55.1	0.83, 0.03	0.83	0.00	3475922
2025-07-19 14:18:11	12	-2.7	-13.6	-13.9	0.9	170	4.6	55.1	0.83, 0.03	0.83	1.52	3475925
2025-07-19 14:21:11	13	-3.1	-13.4	-14.3	1.0	196	4.7	54.9	0.82, 0.03	0.83	1.08	3475926
2025-07-19 14:24:11	14	-3.2	-13.7	-15.7	1.0	194	4.7	54.9	0.82, 0.04	0.83	0.00	3475929
2025-07-19 14:27:11	15	-3.4	-15.9	-15.1	1.1	197	4.7	54.6	0.82, 0.03	0.82	0.00	3475930