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 15158
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 #: 15158 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 #: 15158
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2026-02-27 15:15:11 1 0.0 0.0 0.0 0.0 0 , 0.00 3685260

2026-02-27 15:18:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3685261

2026-02-27 15:21:11 3 0.0 0.0 0.0 0.0 0 , 0.00 3685262

2026-02-27 15:24:11 4 0.0 0.0 0.0 0.0 0 , 0.00 3685263

2026-02-27 15:27:11 5 0.0 0.0 0.0 0.0 0 , 0.00 3685268

2026-02-27 15:30:11 6 0.0 0.0 0.0 0.0 0 , 5.84 3685269

2026-02-27 15:33:11 7 -0.3 -3.2 -13.0 0.1 19 1.04, 0.27 1.07 2.71 3685272

2026-02-27 15:36:11 8 -4.5 -22.8 -8.1 0.5 362 1.06, 0.23 1.08 0.99 3685273

2026-02-27 15:39:11 9 -7.4 -24.7 -8.3 0.7 660 1.06, 0.21 1.08 1.07 3685274

2026-02-27 15:42:11 10 -9.3 -23.9 -8.7 0.6 884 1.06, 0.23 1.08 0.00 3685275

2026-02-27 15:45:11 11 -11.6 -23.9 -8.7 0.8 1123 1.05, 0.22 1.07 0.00 3685278

2026-02-27 15:48:11 12 -12.8 -23.4 -8.9 2.0 1235 1.04, 0.22 1.07 0.00 3685279

2026-02-27 15:51:11 13 -15.8 -24.4 -9.4 2.1 1490 1.04, 0.21 1.06 0.00 3685286

2026-02-27 15:54:11 14 -17.5 -22.4 -9.6 3.3 1625 14.6 -47.4 -0.72, 0.34 0.79 0.00 3685287

2026-02-27 15:57:11 15 -20.6 -23.9 -10.3 3.6 1818 14.6 -47.3 -0.72, 0.34 0.79 0.99 3685288

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 15:15:11	1	0.0	0.0	0.0	0.0	0			,		0.00	3685260
2026-02-27 15:18:11	2	0.0	0.0	0.0	0.0	0			,		0.00	3685261
2026-02-27 15:21:11	3	0.0	0.0	0.0	0.0	0			,		0.00	3685262
2026-02-27 15:24:11	4	0.0	0.0	0.0	0.0	0			,		0.00	3685263
2026-02-27 15:27:11	5	0.0	0.0	0.0	0.0	0			,		0.00	3685268
2026-02-27 15:30:11	6	0.0	0.0	0.0	0.0	0			,		5.84	3685269
2026-02-27 15:33:11	7	-0.3	-3.2	-13.0	0.1	19			1.04, 0.27	1.07	2.71	3685272
2026-02-27 15:36:11	8	-4.5	-22.8	-8.1	0.5	362			1.06, 0.23	1.08	0.99	3685273
2026-02-27 15:39:11	9	-7.4	-24.7	-8.3	0.7	660			1.06, 0.21	1.08	1.07	3685274
2026-02-27 15:42:11	10	-9.3	-23.9	-8.7	0.6	884			1.06, 0.23	1.08	0.00	3685275
2026-02-27 15:45:11	11	-11.6	-23.9	-8.7	0.8	1123			1.05, 0.22	1.07	0.00	3685278
2026-02-27 15:48:11	12	-12.8	-23.4	-8.9	2.0	1235			1.04, 0.22	1.07	0.00	3685279
2026-02-27 15:51:11	13	-15.8	-24.4	-9.4	2.1	1490			1.04, 0.21	1.06	0.00	3685286
2026-02-27 15:54:11	14	-17.5	-22.4	-9.6	3.3	1625	14.6	-47.4	-0.72, 0.34	0.79	0.00	3685287
2026-02-27 15:57:11	15	-20.6	-23.9	-10.3	3.6	1818	14.6	-47.3	-0.72, 0.34	0.79	0.99	3685288