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 15519
Detector 24h operating status: Last processed image: 0 hours and 24 minutes ago (2026-05-03 09:21 UTC) Last detected dimming: 0 hours and 42 minutes ago (2026-05-03 09:03 UTC) Overview for dimming #: 15519 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 #: 15519
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2026-04-28 09:18:11 1 0.0 0.0 0.0 0.0 0 , 1.30 3745935

2026-04-28 09:21:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3745938

2026-04-28 09:24:11 3 0.0 0.0 0.0 0.0 0 , 0.00 3745939

2026-04-28 09:27:00 4 0.0 0.0 0.0 0.0 0 , 0.00 3745942

2026-04-28 09:30:11 5 0.0 0.0 0.0 0.0 0 , 0.00 3745943

2026-04-28 09:33:11 6 0.0 0.0 0.0 0.0 0 , 2.62 3745946

2026-04-28 09:36:11 7 0.0 0.0 0.0 0.0 0 , 1.27 3745947

2026-04-28 09:39:11 8 -1.1 -9.6 -15.0 0.2 52 13.5 44.0 0.68, 0.29 0.74 2.55 3745950

2026-04-28 09:42:12 9 -2.0 -15.0 -15.0 0.4 100 13.5 43.8 0.68, 0.29 0.74 1.20 3745951

2026-04-28 09:45:11 10 -1.5 -14.0 -17.0 0.3 69 13.5 44.0 0.68, 0.29 0.74 0.00 3745954

2026-04-28 09:48:11 11 -1.9 -17.8 -21.0 0.4 82 13.3 44.0 0.68, 0.29 0.74 0.00 3745955

2026-04-28 09:51:11 12 -2.6 -22.0 -21.0 0.5 105 13.4 44.0 0.68, 0.29 0.74 2.43 3745958

2026-04-28 09:54:11 13 -3.4 -23.1 -19.1 0.7 143 13.5 44.0 0.68, 0.29 0.74 1.26 3745959

2026-04-28 09:57:11 14 -3.4 -24.6 -22.4 0.6 134 13.5 44.3 0.69, 0.29 0.75 0.00 3745962

2026-04-28 10:00:11 15 -3.6 -23.8 -21.1 0.7 141 , 0.83 3745963

2026-04-28 10:03:11 16 -3.9 -25.3 -21.1 0.7 150 , 1.70 3745966

2026-04-28 10:06:11 17 -3.6 -23.1 -22.4 0.7 137 , 5.37 3745967

2026-04-28 10:09:11 18 -3.4 -24.9 -24.3 0.6 128 24.2 -8.0 -0.13, 0.48 0.50 0.00 3745970

2026-04-28 10:12:11 19 -3.8 -24.1 -24.4 0.7 146 24.2 -8.1 -0.13, 0.48 0.50 0.00 3745971

2026-04-28 10:15:11 20 -3.9 -27.4 -26.0 0.7 139 , 0.00 3745974

2026-04-28 10:18:11 21 -4.4 -29.6 -24.9 0.7 155 , 0.00 3745975

2026-04-28 10:21:11 22 -4.8 -30.5 -26.3 0.8 167 , 0.00 3745978

2026-04-28 10:24:11 23 -5.4 -32.0 -25.3 0.9 204 24.4 -8.7 -0.14, 0.49 0.51 0.00 3745979

2026-04-28 10:27:11 24 -6.2 -32.9 -25.7 1.0 229 24.1 -8.3 -0.13, 0.48 0.50 0.91 3745982

2026-04-28 10:30:11 25 -17.4 -34.2 -15.3 3.7 931 23.3 -13.6 -0.22, 0.47 0.52 0.00 3745983

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
2026-04-28 09:18:11	1	0.0	0.0	0.0	0.0	0			,		1.30	3745935
2026-04-28 09:21:11	2	0.0	0.0	0.0	0.0	0			,		0.00	3745938
2026-04-28 09:24:11	3	0.0	0.0	0.0	0.0	0			,		0.00	3745939
2026-04-28 09:27:00	4	0.0	0.0	0.0	0.0	0			,		0.00	3745942
2026-04-28 09:30:11	5	0.0	0.0	0.0	0.0	0			,		0.00	3745943
2026-04-28 09:33:11	6	0.0	0.0	0.0	0.0	0			,		2.62	3745946
2026-04-28 09:36:11	7	0.0	0.0	0.0	0.0	0			,		1.27	3745947
2026-04-28 09:39:11	8	-1.1	-9.6	-15.0	0.2	52	13.5	44.0	0.68, 0.29	0.74	2.55	3745950
2026-04-28 09:42:12	9	-2.0	-15.0	-15.0	0.4	100	13.5	43.8	0.68, 0.29	0.74	1.20	3745951
2026-04-28 09:45:11	10	-1.5	-14.0	-17.0	0.3	69	13.5	44.0	0.68, 0.29	0.74	0.00	3745954
2026-04-28 09:48:11	11	-1.9	-17.8	-21.0	0.4	82	13.3	44.0	0.68, 0.29	0.74	0.00	3745955
2026-04-28 09:51:11	12	-2.6	-22.0	-21.0	0.5	105	13.4	44.0	0.68, 0.29	0.74	2.43	3745958
2026-04-28 09:54:11	13	-3.4	-23.1	-19.1	0.7	143	13.5	44.0	0.68, 0.29	0.74	1.26	3745959
2026-04-28 09:57:11	14	-3.4	-24.6	-22.4	0.6	134	13.5	44.3	0.69, 0.29	0.75	0.00	3745962
2026-04-28 10:00:11	15	-3.6	-23.8	-21.1	0.7	141			,		0.83	3745963
2026-04-28 10:03:11	16	-3.9	-25.3	-21.1	0.7	150			,		1.70	3745966
2026-04-28 10:06:11	17	-3.6	-23.1	-22.4	0.7	137			,		5.37	3745967
2026-04-28 10:09:11	18	-3.4	-24.9	-24.3	0.6	128	24.2	-8.0	-0.13, 0.48	0.50	0.00	3745970
2026-04-28 10:12:11	19	-3.8	-24.1	-24.4	0.7	146	24.2	-8.1	-0.13, 0.48	0.50	0.00	3745971
2026-04-28 10:15:11	20	-3.9	-27.4	-26.0	0.7	139			,		0.00	3745974
2026-04-28 10:18:11	21	-4.4	-29.6	-24.9	0.7	155			,		0.00	3745975
2026-04-28 10:21:11	22	-4.8	-30.5	-26.3	0.8	167			,		0.00	3745978
2026-04-28 10:24:11	23	-5.4	-32.0	-25.3	0.9	204	24.4	-8.7	-0.14, 0.49	0.51	0.00	3745979
2026-04-28 10:27:11	24	-6.2	-32.9	-25.7	1.0	229	24.1	-8.3	-0.13, 0.48	0.50	0.91	3745982
2026-04-28 10:30:11	25	-17.4	-34.2	-15.3	3.7	931	23.3	-13.6	-0.22, 0.47	0.52	0.00	3745983