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 15958
Detector 24h operating status: Last processed image: 0 hours and 24 minutes ago (2026-08-08 00:06 UTC) Last detected dimming: 17 hours and 27 minutes ago (2026-08-07 07:03 UTC) Overview for dimming #: 15958 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 #: 15958
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2026-07-18 20:57:11 1 0.0 0.0 0.0 0.0 0 , 0.00 3823448

2026-07-18 21:00:35 2 0.0 0.0 0.0 0.0 0 , 0.00 3823451

2026-07-18 21:03:11 3 0.0 0.0 0.0 0.0 0 , 0.00 3823452

2026-07-18 21:06:11 4 0.0 0.0 0.0 0.0 0 , 0.84 3823455

2026-07-18 21:09:11 5 0.0 0.0 0.0 0.0 0 , 1.57 3823456

2026-07-18 21:12:11 6 -4.0 -10.0 -9.6 0.0 411 1.11, 0.13 1.12 1.93 3823459

2026-07-18 21:15:11 7 -8.3 -12.9 -10.7 0.0 724 1.12, 0.08 1.12 1.74 3823460

2026-07-18 21:18:11 8 -10.7 -15.2 -12.0 0.0 843 1.12, 0.08 1.12 1.70 3823463

2026-07-18 21:21:11 9 -13.6 -17.6 -13.1 0.0 983 1.12, 0.08 1.12 1.91 3823464

2026-07-18 21:24:11 10 -16.8 -23.0 -14.5 0.0 1094 1.12, 0.07 1.12 2.15 3823467

2026-07-18 21:27:11 11 -19.8 -25.4 -15.3 0.0 1218 1.12, 0.07 1.12 1.99 3823468

2026-07-18 21:30:11 12 -22.7 -26.3 -14.9 0.0 1363 1.12, 0.07 1.12 1.73 3823471

2026-07-18 21:33:11 13 -26.3 -31.8 -15.6 0.0 1487 1.12, 0.07 1.12 1.41 3823472

2026-07-18 21:36:11 14 -29.7 -34.1 -15.6 0.8 1648 1.12, 0.07 1.12 1.43 3823475

2026-07-18 21:39:11 15 -34.2 -42.9 -16.0 1.0 1768 1.12, 0.07 1.12 1.76 3823476

2026-07-18 21:42:11 16 -37.6 -47.6 -16.3 0.9 1854 1.12, 0.06 1.12 1.30 3823479

2026-07-18 21:45:11 17 -40.9 -51.5 -16.2 1.0 1964 1.11, 0.06 1.12 0.94 3823480

2026-07-18 21:48:11 18 -44.1 -55.2 -16.3 1.3 2054 1.11, 0.06 1.12 1.01 3823483

2026-07-18 21:51:11 19 -47.3 -60.4 -16.8 1.9 2114 1.11, 0.06 1.12 1.01 3823484

2026-07-18 21:54:11 20 -52.1 -65.8 -17.1 2.3 2236 1.11, 0.06 1.11 1.25 3823488

2026-07-18 21:57:11 21 -54.9 -67.4 -17.5 2.1 2308 1.11, 0.06 1.11 1.11 3823489

2026-07-18 22:00:11 22 -59.6 -71.8 -17.6 3.1 2434 1.11, 0.06 1.11 0.98 3823491

2026-07-18 22:03:11 23 -62.8 -73.3 -18.2 2.9 2474 1.11, 0.06 1.11 1.05 3823492

2026-07-18 22:06:11 24 -66.6 -76.4 -18.3 3.1 2578 1.11, 0.06 1.11 0.87 3823495

2026-07-18 22:09:11 25 -70.6 -78.6 -18.5 2.7 2666 1.11, 0.06 1.11 0.00 3823496

2026-07-18 22:12:11 26 -72.9 -78.9 -18.4 3.4 2764 1.11, 0.06 1.11 0.00 3823499

2026-07-18 22:15:11 27 -76.4 -80.1 -18.3 3.5 2894 1.11, 0.06 1.11 0.00 3823500

2026-07-18 22:18:11 28 -82.1 -83.8 -18.4 4.4 3042 1.11, 0.06 1.11 0.00 3823503

2026-07-18 22:21:11 29 -85.2 -84.6 -19.1 4.6 3056 1.11, 0.06 1.11 0.00 3823504

2026-07-18 22:24:11 30 -88.9 -85.8 -18.9 4.7 3192 1.11, 0.06 1.11 0.00 3823507

2026-07-18 22:27:11 31 -93.8 -86.9 -16.8 4.1 3540 1.11, 0.06 1.11 0.00 3823508

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	x,y in R☉	dist. R☉	detection	Img ID
2026-07-18 20:57:11	1	0.0	0.0	0.0	0.0	0	,		0.00	3823448
2026-07-18 21:00:35	2	0.0	0.0	0.0	0.0	0	,		0.00	3823451
2026-07-18 21:03:11	3	0.0	0.0	0.0	0.0	0	,		0.00	3823452
2026-07-18 21:06:11	4	0.0	0.0	0.0	0.0	0	,		0.84	3823455
2026-07-18 21:09:11	5	0.0	0.0	0.0	0.0	0	,		1.57	3823456
2026-07-18 21:12:11	6	-4.0	-10.0	-9.6	0.0	411	1.11, 0.13	1.12	1.93	3823459
2026-07-18 21:15:11	7	-8.3	-12.9	-10.7	0.0	724	1.12, 0.08	1.12	1.74	3823460
2026-07-18 21:18:11	8	-10.7	-15.2	-12.0	0.0	843	1.12, 0.08	1.12	1.70	3823463
2026-07-18 21:21:11	9	-13.6	-17.6	-13.1	0.0	983	1.12, 0.08	1.12	1.91	3823464
2026-07-18 21:24:11	10	-16.8	-23.0	-14.5	0.0	1094	1.12, 0.07	1.12	2.15	3823467
2026-07-18 21:27:11	11	-19.8	-25.4	-15.3	0.0	1218	1.12, 0.07	1.12	1.99	3823468
2026-07-18 21:30:11	12	-22.7	-26.3	-14.9	0.0	1363	1.12, 0.07	1.12	1.73	3823471
2026-07-18 21:33:11	13	-26.3	-31.8	-15.6	0.0	1487	1.12, 0.07	1.12	1.41	3823472
2026-07-18 21:36:11	14	-29.7	-34.1	-15.6	0.8	1648	1.12, 0.07	1.12	1.43	3823475
2026-07-18 21:39:11	15	-34.2	-42.9	-16.0	1.0	1768	1.12, 0.07	1.12	1.76	3823476
2026-07-18 21:42:11	16	-37.6	-47.6	-16.3	0.9	1854	1.12, 0.06	1.12	1.30	3823479
2026-07-18 21:45:11	17	-40.9	-51.5	-16.2	1.0	1964	1.11, 0.06	1.12	0.94	3823480
2026-07-18 21:48:11	18	-44.1	-55.2	-16.3	1.3	2054	1.11, 0.06	1.12	1.01	3823483
2026-07-18 21:51:11	19	-47.3	-60.4	-16.8	1.9	2114	1.11, 0.06	1.12	1.01	3823484
2026-07-18 21:54:11	20	-52.1	-65.8	-17.1	2.3	2236	1.11, 0.06	1.11	1.25	3823488
2026-07-18 21:57:11	21	-54.9	-67.4	-17.5	2.1	2308	1.11, 0.06	1.11	1.11	3823489
2026-07-18 22:00:11	22	-59.6	-71.8	-17.6	3.1	2434	1.11, 0.06	1.11	0.98	3823491
2026-07-18 22:03:11	23	-62.8	-73.3	-18.2	2.9	2474	1.11, 0.06	1.11	1.05	3823492
2026-07-18 22:06:11	24	-66.6	-76.4	-18.3	3.1	2578	1.11, 0.06	1.11	0.87	3823495
2026-07-18 22:09:11	25	-70.6	-78.6	-18.5	2.7	2666	1.11, 0.06	1.11	0.00	3823496
2026-07-18 22:12:11	26	-72.9	-78.9	-18.4	3.4	2764	1.11, 0.06	1.11	0.00	3823499
2026-07-18 22:15:11	27	-76.4	-80.1	-18.3	3.5	2894	1.11, 0.06	1.11	0.00	3823500
2026-07-18 22:18:11	28	-82.1	-83.8	-18.4	4.4	3042	1.11, 0.06	1.11	0.00	3823503
2026-07-18 22:21:11	29	-85.2	-84.6	-19.1	4.6	3056	1.11, 0.06	1.11	0.00	3823504
2026-07-18 22:24:11	30	-88.9	-85.8	-18.9	4.7	3192	1.11, 0.06	1.11	0.00	3823507
2026-07-18 22:27:11	31	-93.8	-86.9	-16.8	4.1	3540	1.11, 0.06	1.11	0.00	3823508