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 15447
Detector 24h operating status: Last processed image: 0 hours and 16 minutes ago (2026-05-01 19:00 UTC) Last detected dimming: 0 hours and 16 minutes ago (2026-05-01 19:00 UTC) Overview for dimming #: 15447 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 #: 15447
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2026-04-19 12:15:11 1 0.0 0.0 0.0 0.0 0 , 0.00 3737421

2026-04-19 12:18:11 2 -0.6 -3.5 -12.5 0.2 46 20.3 3.2 0.05, 0.44 0.44 1.24 3737422

2026-04-19 12:21:11 3 -1.6 -6.9 -13.4 0.4 108 20.3 3.5 0.06, 0.44 0.44 1.28 3737425

2026-04-19 12:24:11 4 -3.7 -13.5 -15.3 0.8 215 20.5 4.0 0.07, 0.44 0.44 1.23 3737426

2026-04-19 12:27:11 5 -5.6 -18.4 -16.9 1.0 291 20.5 4.1 0.07, 0.44 0.45 0.91 3737429

2026-04-19 12:30:11 6 -8.5 -22.5 -17.7 1.5 424 20.4 4.0 0.07, 0.44 0.44 1.21 3737430

2026-04-19 12:33:11 7 -12.3 -28.5 -16.7 2.1 598 20.4 4.0 0.07, 0.44 0.44 0.00 3737432

2026-04-19 12:36:11 8 -16.1 -41.2 -18.1 2.4 678 20.2 3.8 0.06, 0.44 0.44 0.00 3737435

2026-04-19 12:39:11 9 -20.8 -54.5 -19.7 2.6 745 20.1 3.7 0.06, 0.43 0.44 0.00 3737437

2026-04-19 12:42:11 10 -28.5 -72.4 -19.7 3.2 912 19.9 3.6 0.06, 0.43 0.43 0.00 3737438

2026-04-19 12:45:11 11 -34.0 -82.7 -18.7 3.6 1029 19.8 3.5 0.06, 0.43 0.43 0.00 3737441

2026-04-19 12:48:11 12 -38.2 -103.0 -21.0 3.6 1032 19.8 3.6 0.06, 0.43 0.43 0.00 3737442

2026-04-19 12:51:11 13 -45.7 -115.2 -22.8 3.9 1104 19.7 3.7 0.06, 0.43 0.43 0.00 3737445

2026-04-19 12:54:11 14 -51.0 -124.3 -24.5 3.9 1112 19.6 3.6 0.06, 0.43 0.43 0.00 3737446

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
2026-04-19 12:15:11	1	0.0	0.0	0.0	0.0	0			,		0.00	3737421
2026-04-19 12:18:11	2	-0.6	-3.5	-12.5	0.2	46	20.3	3.2	0.05, 0.44	0.44	1.24	3737422
2026-04-19 12:21:11	3	-1.6	-6.9	-13.4	0.4	108	20.3	3.5	0.06, 0.44	0.44	1.28	3737425
2026-04-19 12:24:11	4	-3.7	-13.5	-15.3	0.8	215	20.5	4.0	0.07, 0.44	0.44	1.23	3737426
2026-04-19 12:27:11	5	-5.6	-18.4	-16.9	1.0	291	20.5	4.1	0.07, 0.44	0.45	0.91	3737429
2026-04-19 12:30:11	6	-8.5	-22.5	-17.7	1.5	424	20.4	4.0	0.07, 0.44	0.44	1.21	3737430
2026-04-19 12:33:11	7	-12.3	-28.5	-16.7	2.1	598	20.4	4.0	0.07, 0.44	0.44	0.00	3737432
2026-04-19 12:36:11	8	-16.1	-41.2	-18.1	2.4	678	20.2	3.8	0.06, 0.44	0.44	0.00	3737435
2026-04-19 12:39:11	9	-20.8	-54.5	-19.7	2.6	745	20.1	3.7	0.06, 0.43	0.44	0.00	3737437
2026-04-19 12:42:11	10	-28.5	-72.4	-19.7	3.2	912	19.9	3.6	0.06, 0.43	0.43	0.00	3737438
2026-04-19 12:45:11	11	-34.0	-82.7	-18.7	3.6	1029	19.8	3.5	0.06, 0.43	0.43	0.00	3737441
2026-04-19 12:48:11	12	-38.2	-103.0	-21.0	3.6	1032	19.8	3.6	0.06, 0.43	0.43	0.00	3737442
2026-04-19 12:51:11	13	-45.7	-115.2	-22.8	3.9	1104	19.7	3.7	0.06, 0.43	0.43	0.00	3737445
2026-04-19 12:54:11	14	-51.0	-124.3	-24.5	3.9	1112	19.6	3.6	0.06, 0.43	0.43	0.00	3737446