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 15956
Detector 24h operating status: Last processed image: 0 hours and 23 minutes ago (2026-08-08 00:18 UTC) Last detected dimming: 17 hours and 38 minutes ago (2026-08-07 07:03 UTC) Overview for dimming #: 15956 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 #: 15956
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2026-07-17 08:18:11 1 0.0 0.0 0.0 0.0 0 , 0.00 3821982

2026-07-17 08:21:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3821985

2026-07-17 08:24:11 3 -0.8 -5.7 -10.1 0.5 74 , 3.99 3821986

2026-07-17 08:27:11 4 -3.0 -8.1 -10.4 1.7 260 -7.8 -57.4 -0.84, -0.18 0.86 3.12 3821989

2026-07-17 08:30:11 5 -6.0 -9.5 -12.1 3.6 439 -7.2 -58.0 -0.85, -0.17 0.87 0.00 3821990

2026-07-17 08:33:11 6 -10.1 -12.1 -11.9 6.7 722 -16.5 -60.2 -0.84, -0.32 0.90 0.00 3821994

2026-07-17 08:36:11 7 -15.7 -13.7 -11.8 10.2 1023 -18.9 -60.6 -0.83, -0.36 0.91 3.84 3821995

2026-07-17 08:39:11 8 -21.2 -14.7 -12.1 13.9 1342 -19.2 -60.5 -0.83, -0.37 0.91 0.96 3821997

2026-07-17 08:42:11 9 -26.0 -16.1 -12.6 16.7 1584 -19.9 -60.4 -0.83, -0.38 0.91 0.00 3821998

2026-07-17 08:45:11 10 -32.8 -18.5 -12.7 20.5 1928 -21.2 -60.5 -0.82, -0.40 0.91 0.00 3822002

2026-07-17 08:48:11 11 -44.3 -22.2 -13.4 29.3 2370 -27.9 -59.4 -0.77, -0.51 0.92 0.00 3822003

2026-07-17 08:51:11 12 -54.3 -28.1 -13.5 34.6 2761 -28.2 -59.7 -0.77, -0.51 0.92 0.85 3822006

2026-07-17 08:54:11 13 -60.1 -29.7 -13.6 39.3 3021 -29.4 -60.3 -0.76, -0.53 0.93 0.00 3822007

2026-07-17 08:57:11 14 -79.2 -33.2 -13.8 55.1 3763 -33.0 -59.6 -0.73, -0.58 0.93 0.00 3822010

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
2026-07-17 08:18:11	1	0.0	0.0	0.0	0.0	0			,		0.00	3821982
2026-07-17 08:21:11	2	0.0	0.0	0.0	0.0	0			,		0.00	3821985
2026-07-17 08:24:11	3	-0.8	-5.7	-10.1	0.5	74			,		3.99	3821986
2026-07-17 08:27:11	4	-3.0	-8.1	-10.4	1.7	260	-7.8	-57.4	-0.84, -0.18	0.86	3.12	3821989
2026-07-17 08:30:11	5	-6.0	-9.5	-12.1	3.6	439	-7.2	-58.0	-0.85, -0.17	0.87	0.00	3821990
2026-07-17 08:33:11	6	-10.1	-12.1	-11.9	6.7	722	-16.5	-60.2	-0.84, -0.32	0.90	0.00	3821994
2026-07-17 08:36:11	7	-15.7	-13.7	-11.8	10.2	1023	-18.9	-60.6	-0.83, -0.36	0.91	3.84	3821995
2026-07-17 08:39:11	8	-21.2	-14.7	-12.1	13.9	1342	-19.2	-60.5	-0.83, -0.37	0.91	0.96	3821997
2026-07-17 08:42:11	9	-26.0	-16.1	-12.6	16.7	1584	-19.9	-60.4	-0.83, -0.38	0.91	0.00	3821998
2026-07-17 08:45:11	10	-32.8	-18.5	-12.7	20.5	1928	-21.2	-60.5	-0.82, -0.40	0.91	0.00	3822002
2026-07-17 08:48:11	11	-44.3	-22.2	-13.4	29.3	2370	-27.9	-59.4	-0.77, -0.51	0.92	0.00	3822003
2026-07-17 08:51:11	12	-54.3	-28.1	-13.5	34.6	2761	-28.2	-59.7	-0.77, -0.51	0.92	0.85	3822006
2026-07-17 08:54:11	13	-60.1	-29.7	-13.6	39.3	3021	-29.4	-60.3	-0.76, -0.53	0.93	0.00	3822007
2026-07-17 08:57:11	14	-79.2	-33.2	-13.8	55.1	3763	-33.0	-59.6	-0.73, -0.58	0.93	0.00	3822010