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 15159
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 #: 15159 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 #: 15159
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2026-02-27 17:21:11 1 0.0 0.0 0.0 0.0 0 , 0.00 3685346

2026-02-27 17:24:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3685347

2026-02-27 17:27:11 3 0.0 0.0 0.0 0.0 0 , 0.00 3685348

2026-02-27 17:30:11 4 -2.7 -15.2 -15.6 0.7 176 , 0.00 3685349

2026-02-27 17:33:11 5 -10.4 -36.3 -16.6 2.1 505 15.3 -33.5 -0.54, 0.37 0.65 0.00 3685354

2026-02-27 17:36:11 6 -18.2 -51.0 -16.8 3.2 784 15.3 -33.0 -0.53, 0.37 0.65 5.57 3685355

2026-02-27 17:39:11 7 -26.7 -61.2 -16.2 4.9 1148 15.5 -33.6 -0.54, 0.37 0.65 4.14 3685356

2026-02-27 17:42:11 8 -32.6 -62.6 -17.1 5.9 1373 15.5 -34.0 -0.55, 0.37 0.66 0.00 3685357

2026-02-27 17:45:11 9 -31.4 -62.5 -19.4 5.4 1261 15.4 -33.5 -0.54, 0.37 0.65 0.00 3685360

2026-02-27 17:48:11 10 -25.7 -58.0 -19.6 4.3 1030 15.5 -33.4 -0.54, 0.37 0.65 0.00 3685361

2026-02-27 17:51:11 11 -22.5 -51.4 -17.2 4.1 997 15.5 -33.0 -0.53, 0.37 0.65 0.00 3685366

2026-02-27 17:54:11 12 -19.2 -44.8 -18.1 3.6 861 15.5 -33.1 -0.53, 0.37 0.65 0.00 3685367

2026-02-27 17:57:11 13 -17.7 -39.9 -18.8 3.4 812 15.5 -33.1 -0.53, 0.37 0.65 0.00 3685368

2026-02-27 18:00:11 14 -17.7 -37.9 -17.3 3.6 846 15.6 -33.1 -0.53, 0.37 0.65 0.00 3685369

2026-02-27 18:03:11 15 -17.7 -34.6 -14.9 4.0 923 15.7 -33.9 -0.54, 0.37 0.66 0.00 3685372

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
2026-02-27 17:21:11	1	0.0	0.0	0.0	0.0	0			,		0.00	3685346
2026-02-27 17:24:11	2	0.0	0.0	0.0	0.0	0			,		0.00	3685347
2026-02-27 17:27:11	3	0.0	0.0	0.0	0.0	0			,		0.00	3685348
2026-02-27 17:30:11	4	-2.7	-15.2	-15.6	0.7	176			,		0.00	3685349
2026-02-27 17:33:11	5	-10.4	-36.3	-16.6	2.1	505	15.3	-33.5	-0.54, 0.37	0.65	0.00	3685354
2026-02-27 17:36:11	6	-18.2	-51.0	-16.8	3.2	784	15.3	-33.0	-0.53, 0.37	0.65	5.57	3685355
2026-02-27 17:39:11	7	-26.7	-61.2	-16.2	4.9	1148	15.5	-33.6	-0.54, 0.37	0.65	4.14	3685356
2026-02-27 17:42:11	8	-32.6	-62.6	-17.1	5.9	1373	15.5	-34.0	-0.55, 0.37	0.66	0.00	3685357
2026-02-27 17:45:11	9	-31.4	-62.5	-19.4	5.4	1261	15.4	-33.5	-0.54, 0.37	0.65	0.00	3685360
2026-02-27 17:48:11	10	-25.7	-58.0	-19.6	4.3	1030	15.5	-33.4	-0.54, 0.37	0.65	0.00	3685361
2026-02-27 17:51:11	11	-22.5	-51.4	-17.2	4.1	997	15.5	-33.0	-0.53, 0.37	0.65	0.00	3685366
2026-02-27 17:54:11	12	-19.2	-44.8	-18.1	3.6	861	15.5	-33.1	-0.53, 0.37	0.65	0.00	3685367
2026-02-27 17:57:11	13	-17.7	-39.9	-18.8	3.4	812	15.5	-33.1	-0.53, 0.37	0.65	0.00	3685368
2026-02-27 18:00:11	14	-17.7	-37.9	-17.3	3.6	846	15.6	-33.1	-0.53, 0.37	0.65	0.00	3685369
2026-02-27 18:03:11	15	-17.7	-34.6	-14.9	4.0	923	15.7	-33.9	-0.54, 0.37	0.66	0.00	3685372