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 15138
Detector 24h operating status: Last processed image: 0 hours and 19 minutes ago (2026-02-28 12:18 UTC) Last detected dimming: 1 hours and 27 minutes ago (2026-02-28 11:09 UTC) Overview for dimming #: 15138 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 #: 15138
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2026-02-22 13:39:11 1 0.0 0.0 0.0 0.0 0 , 0.00 3678421

2026-02-22 13:42:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3678422

2026-02-22 13:45:11 3 -1.4 -5.8 -6.8 1.0 191 , 0.85 3678423

2026-02-22 13:48:11 4 -8.1 -13.7 -9.6 4.5 821 31.1 -40.6 -0.56, 0.60 0.82 0.85 3678424

2026-02-22 13:51:11 5 -14.7 -20.9 -11.6 6.1 1134 29.6 -39.2 -0.56, 0.58 0.80 0.00 3678425

2026-02-22 13:54:11 6 -20.4 -27.1 -12.9 7.6 1415 29.0 -38.7 -0.55, 0.57 0.80 1.11 3678426

2026-02-22 13:57:11 7 -29.2 -33.7 -12.0 11.1 2025 28.4 -38.1 -0.55, 0.56 0.79 1.86 3678427

2026-02-22 14:00:11 8 -37.7 -38.6 -13.1 13.9 2508 28.1 -38.0 -0.55, 0.56 0.78 1.48 3678428

2026-02-22 14:03:11 9 -46.8 -45.1 -13.5 16.3 2959 27.8 -37.7 -0.55, 0.56 0.78 1.06 3678429

2026-02-22 14:06:11 10 -52.4 -51.1 -13.7 17.4 3181 27.6 -37.7 -0.55, 0.55 0.78 0.99 3678430

2026-02-22 14:09:11 11 -61.4 -57.2 -14.2 19.2 3507 27.5 -37.7 -0.55, 0.55 0.78 1.04 3678431

2026-02-22 14:12:11 12 -67.1 -61.0 -14.5 19.9 3662 27.2 -37.4 -0.55, 0.55 0.77 0.00 3678432

2026-02-22 14:15:11 13 -72.7 -64.4 -14.8 21.0 3862 27.0 -37.3 -0.55, 0.54 0.77 0.00 3678433

2026-02-22 14:18:11 14 -78.5 -66.6 -14.8 22.8 4176 27.0 -37.3 -0.55, 0.54 0.77 0.00 3678434

2026-02-22 14:21:11 15 -83.4 -67.1 -14.9 23.9 4362 26.9 -37.3 -0.55, 0.54 0.77 0.00 3678435

2026-02-22 14:24:11 16 -86.9 -67.4 -14.7 24.8 4490 26.8 -37.2 -0.55, 0.54 0.77 0.00 3678436

2026-02-22 14:27:11 17 -89.3 -67.8 -14.4 25.5 4607 26.7 -37.2 -0.55, 0.54 0.77 0.00 3678437

2026-02-22 14:30:11 18 -90.5 -69.9 -14.3 25.9 4636 26.4 -37.1 -0.55, 0.54 0.77 0.00 3678438

2026-02-22 14:33:11 19 -91.7 -70.8 -14.2 25.4 4567 26.1 -37.1 -0.55, 0.53 0.76 0.00 3678439

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
2026-02-22 13:39:11	1	0.0	0.0	0.0	0.0	0			,		0.00	3678421
2026-02-22 13:42:11	2	0.0	0.0	0.0	0.0	0			,		0.00	3678422
2026-02-22 13:45:11	3	-1.4	-5.8	-6.8	1.0	191			,		0.85	3678423
2026-02-22 13:48:11	4	-8.1	-13.7	-9.6	4.5	821	31.1	-40.6	-0.56, 0.60	0.82	0.85	3678424
2026-02-22 13:51:11	5	-14.7	-20.9	-11.6	6.1	1134	29.6	-39.2	-0.56, 0.58	0.80	0.00	3678425
2026-02-22 13:54:11	6	-20.4	-27.1	-12.9	7.6	1415	29.0	-38.7	-0.55, 0.57	0.80	1.11	3678426
2026-02-22 13:57:11	7	-29.2	-33.7	-12.0	11.1	2025	28.4	-38.1	-0.55, 0.56	0.79	1.86	3678427
2026-02-22 14:00:11	8	-37.7	-38.6	-13.1	13.9	2508	28.1	-38.0	-0.55, 0.56	0.78	1.48	3678428
2026-02-22 14:03:11	9	-46.8	-45.1	-13.5	16.3	2959	27.8	-37.7	-0.55, 0.56	0.78	1.06	3678429
2026-02-22 14:06:11	10	-52.4	-51.1	-13.7	17.4	3181	27.6	-37.7	-0.55, 0.55	0.78	0.99	3678430
2026-02-22 14:09:11	11	-61.4	-57.2	-14.2	19.2	3507	27.5	-37.7	-0.55, 0.55	0.78	1.04	3678431
2026-02-22 14:12:11	12	-67.1	-61.0	-14.5	19.9	3662	27.2	-37.4	-0.55, 0.55	0.77	0.00	3678432
2026-02-22 14:15:11	13	-72.7	-64.4	-14.8	21.0	3862	27.0	-37.3	-0.55, 0.54	0.77	0.00	3678433
2026-02-22 14:18:11	14	-78.5	-66.6	-14.8	22.8	4176	27.0	-37.3	-0.55, 0.54	0.77	0.00	3678434
2026-02-22 14:21:11	15	-83.4	-67.1	-14.9	23.9	4362	26.9	-37.3	-0.55, 0.54	0.77	0.00	3678435
2026-02-22 14:24:11	16	-86.9	-67.4	-14.7	24.8	4490	26.8	-37.2	-0.55, 0.54	0.77	0.00	3678436
2026-02-22 14:27:11	17	-89.3	-67.8	-14.4	25.5	4607	26.7	-37.2	-0.55, 0.54	0.77	0.00	3678437
2026-02-22 14:30:11	18	-90.5	-69.9	-14.3	25.9	4636	26.4	-37.1	-0.55, 0.54	0.77	0.00	3678438
2026-02-22 14:33:11	19	-91.7	-70.8	-14.2	25.4	4567	26.1	-37.1	-0.55, 0.53	0.76	0.00	3678439