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 15258
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 #: 15258 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 #: 15258
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2026-03-19 14:00:11 1 0.0 0.0 0.0 0.0 0 , 0.00 3703348

2026-03-19 14:03:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3703351

2026-03-19 14:06:11 3 0.0 0.0 0.0 0.0 0 , 0.00 3703352

2026-03-19 14:09:11 4 0.0 0.0 0.0 0.0 0 , 0.89 3703357

2026-03-19 14:12:11 5 0.0 0.0 0.0 0.0 0 , 1.21 3703358

2026-03-19 14:15:11 6 0.0 0.0 0.0 0.0 0 , 1.39 3703359

2026-03-19 14:18:11 7 0.0 0.0 0.0 0.0 0 , 1.19 3703360

2026-03-19 14:21:11 8 0.0 0.0 0.0 0.0 0 , 0.00 3703365

2026-03-19 14:24:11 9 -0.2 -2.4 -12.5 0.0 18 -1.01, 0.36 1.07 0.00 3703366

2026-03-19 14:27:11 10 -1.0 -9.2 -13.2 0.0 75 -1.01, 0.36 1.08 0.00 3703367

2026-03-19 14:30:11 11 -0.6 -6.4 -13.0 0.0 50 -1.04, 0.30 1.09 0.00 3703368

2026-03-19 14:33:11 12 -3.1 -11.8 -12.1 0.9 233 13.6 -78.1 -0.96, 0.26 1.00 0.00 3703371

2026-03-19 14:36:11 13 -6.0 -19.7 -11.5 1.9 399 14.0 -77.2 -0.96, 0.27 0.99 0.00 3703372

2026-03-19 14:39:11 14 -9.2 -31.6 -10.4 2.9 560 14.4 -77.3 -0.95, 0.28 0.99 0.00 3703377

2026-03-19 14:42:11 15 -14.5 -42.0 -10.7 4.3 766 14.7 -77.8 -0.95, 0.28 0.99 0.00 3703378

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 14:00:11	1	0.0	0.0	0.0	0.0	0			,		0.00	3703348
2026-03-19 14:03:11	2	0.0	0.0	0.0	0.0	0			,		0.00	3703351
2026-03-19 14:06:11	3	0.0	0.0	0.0	0.0	0			,		0.00	3703352
2026-03-19 14:09:11	4	0.0	0.0	0.0	0.0	0			,		0.89	3703357
2026-03-19 14:12:11	5	0.0	0.0	0.0	0.0	0			,		1.21	3703358
2026-03-19 14:15:11	6	0.0	0.0	0.0	0.0	0			,		1.39	3703359
2026-03-19 14:18:11	7	0.0	0.0	0.0	0.0	0			,		1.19	3703360
2026-03-19 14:21:11	8	0.0	0.0	0.0	0.0	0			,		0.00	3703365
2026-03-19 14:24:11	9	-0.2	-2.4	-12.5	0.0	18			-1.01, 0.36	1.07	0.00	3703366
2026-03-19 14:27:11	10	-1.0	-9.2	-13.2	0.0	75			-1.01, 0.36	1.08	0.00	3703367
2026-03-19 14:30:11	11	-0.6	-6.4	-13.0	0.0	50			-1.04, 0.30	1.09	0.00	3703368
2026-03-19 14:33:11	12	-3.1	-11.8	-12.1	0.9	233	13.6	-78.1	-0.96, 0.26	1.00	0.00	3703371
2026-03-19 14:36:11	13	-6.0	-19.7	-11.5	1.9	399	14.0	-77.2	-0.96, 0.27	0.99	0.00	3703372
2026-03-19 14:39:11	14	-9.2	-31.6	-10.4	2.9	560	14.4	-77.3	-0.95, 0.28	0.99	0.00	3703377
2026-03-19 14:42:11	15	-14.5	-42.0	-10.7	4.3	766	14.7	-77.8	-0.95, 0.28	0.99	0.00	3703378