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 15259
Detector 24h operating status: Last processed image: 0 hours and 25 minutes ago (2026-03-21 22:00 UTC) Last detected dimming: 5 hours and 49 minutes ago (2026-03-21 16:36 UTC) Overview for dimming #: 15259 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 #: 15259
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2026-03-19 16:09:11 1 0.0 0.0 0.0 0.0 0 , 0.00 3703435

2026-03-19 16:12:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3703436

2026-03-19 16:15:11 3 -0.2 -2.3 -16.7 0.0 14 , 0.00 3703439

2026-03-19 16:18:11 4 -4.2 -15.6 -17.3 0.8 240 -11.4 12.9 0.22, -0.08 0.24 0.00 3703440

2026-03-19 16:21:11 5 -11.5 -21.6 -18.9 1.9 589 -11.8 13.3 0.23, -0.09 0.24 0.00 3703445

2026-03-19 16:24:11 6 -17.5 -25.6 -21.8 2.5 804 -11.8 14.2 0.24, -0.09 0.26 1.62 3703446

2026-03-19 16:27:11 7 -20.8 -30.9 -22.7 2.8 887 -11.7 15.1 0.26, -0.09 0.27 0.00 3703447

2026-03-19 16:30:11 8 -24.9 -34.8 -21.8 3.4 1066 -11.6 15.7 0.27, -0.08 0.28 0.00 3703448

2026-03-19 16:33:11 9 -28.7 -35.5 -20.2 4.0 1266 -12.4 15.5 0.26, -0.10 0.28 0.00 3703451

2026-03-19 16:36:11 10 -30.0 -34.4 -19.7 4.3 1348 -12.6 15.4 0.26, -0.10 0.28 0.00 3703452

2026-03-19 16:39:11 11 -32.3 -34.2 -18.9 4.7 1476 -13.5 15.5 0.26, -0.12 0.29 0.00 3703457

2026-03-19 16:42:11 12 -33.3 -32.6 -18.9 4.9 1563 -13.8 15.4 0.26, -0.12 0.29 0.00 3703458

2026-03-19 16:45:11 13 -34.9 -30.4 -18.0 5.3 1678 -14.5 15.0 0.25, -0.14 0.29 0.00 3703459

2026-03-19 16:48:11 14 -35.2 -28.8 -17.0 5.6 1773 -14.8 14.1 0.24, -0.14 0.28 0.00 3703460

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
2026-03-19 16:09:11	1	0.0	0.0	0.0	0.0	0			,		0.00	3703435
2026-03-19 16:12:11	2	0.0	0.0	0.0	0.0	0			,		0.00	3703436
2026-03-19 16:15:11	3	-0.2	-2.3	-16.7	0.0	14			,		0.00	3703439
2026-03-19 16:18:11	4	-4.2	-15.6	-17.3	0.8	240	-11.4	12.9	0.22, -0.08	0.24	0.00	3703440
2026-03-19 16:21:11	5	-11.5	-21.6	-18.9	1.9	589	-11.8	13.3	0.23, -0.09	0.24	0.00	3703445
2026-03-19 16:24:11	6	-17.5	-25.6	-21.8	2.5	804	-11.8	14.2	0.24, -0.09	0.26	1.62	3703446
2026-03-19 16:27:11	7	-20.8	-30.9	-22.7	2.8	887	-11.7	15.1	0.26, -0.09	0.27	0.00	3703447
2026-03-19 16:30:11	8	-24.9	-34.8	-21.8	3.4	1066	-11.6	15.7	0.27, -0.08	0.28	0.00	3703448
2026-03-19 16:33:11	9	-28.7	-35.5	-20.2	4.0	1266	-12.4	15.5	0.26, -0.10	0.28	0.00	3703451
2026-03-19 16:36:11	10	-30.0	-34.4	-19.7	4.3	1348	-12.6	15.4	0.26, -0.10	0.28	0.00	3703452
2026-03-19 16:39:11	11	-32.3	-34.2	-18.9	4.7	1476	-13.5	15.5	0.26, -0.12	0.29	0.00	3703457
2026-03-19 16:42:11	12	-33.3	-32.6	-18.9	4.9	1563	-13.8	15.4	0.26, -0.12	0.29	0.00	3703458
2026-03-19 16:45:11	13	-34.9	-30.4	-18.0	5.3	1678	-14.5	15.0	0.25, -0.14	0.29	0.00	3703459
2026-03-19 16:48:11	14	-35.2	-28.8	-17.0	5.6	1773	-14.8	14.1	0.24, -0.14	0.28	0.00	3703460