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 15549
Detector 24h operating status: Last processed image: 0 hours and 24 minutes ago (2026-05-03 09:21 UTC) Last detected dimming: 0 hours and 42 minutes ago (2026-05-03 09:03 UTC) Overview for dimming #: 15549 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 #: 15549
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2026-04-30 23:27:11 1 0.0 0.0 0.0 0.0 0 , 0.00 3748422

2026-04-30 23:30:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3748423

2026-04-30 23:33:11 3 0.0 0.0 0.0 0.0 0 , 0.00 3748426

2026-04-30 23:36:11 4 -3.1 -12.7 -14.0 1.6 206 , 0.00 3748427

2026-04-30 23:39:11 5 -6.6 -16.7 -13.1 3.6 450 -18.1 -63.8 -0.86, -0.28 0.91 0.91 3748430

2026-04-30 23:42:11 6 -12.0 -20.3 -14.9 5.8 741 -12.8 -63.5 -0.88, -0.19 0.90 1.93 3748431

2026-04-30 23:45:11 7 -17.7 -24.1 -16.4 7.6 979 -12.2 -63.6 -0.88, -0.18 0.90 1.76 3748435

2026-04-30 23:48:11 8 -21.2 -27.1 -17.5 8.8 1107 -11.4 -65.0 -0.90, -0.17 0.91 0.00 3748436

2026-04-30 23:51:11 9 -27.5 -30.5 -18.4 11.1 1334 -10.5 -68.5 -0.92, -0.16 0.94 0.00 3748438

2026-04-30 23:54:11 10 -31.3 -47.7 -19.4 12.3 1400 -10.1 -71.6 -0.94, -0.15 0.96 0.00 3748439

2026-04-30 23:57:11 11 -35.3 -52.0 -18.8 13.9 1591 -9.8 -71.4 -0.94, -0.15 0.96 0.00 3748442

2026-05-01 00:00:11 12 -40.2 -54.8 -18.3 15.7 1816 -10.1 -70.4 -0.94, -0.15 0.95 1.09 3748443

2026-05-01 00:03:11 13 -45.2 -55.4 -17.4 18.0 2083 -10.5 -69.7 -0.93, -0.16 0.95 0.98 3748447

2026-05-01 00:06:11 14 -46.5 -55.6 -17.4 18.4 2115 -10.0 -70.4 -0.94, -0.15 0.95 0.00 3748448

2026-05-01 00:09:11 15 -47.4 -57.7 -17.1 18.4 2107 -10.1 -70.6 -0.94, -0.15 0.95 0.00 3748450

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
2026-04-30 23:27:11	1	0.0	0.0	0.0	0.0	0			,		0.00	3748422
2026-04-30 23:30:11	2	0.0	0.0	0.0	0.0	0			,		0.00	3748423
2026-04-30 23:33:11	3	0.0	0.0	0.0	0.0	0			,		0.00	3748426
2026-04-30 23:36:11	4	-3.1	-12.7	-14.0	1.6	206			,		0.00	3748427
2026-04-30 23:39:11	5	-6.6	-16.7	-13.1	3.6	450	-18.1	-63.8	-0.86, -0.28	0.91	0.91	3748430
2026-04-30 23:42:11	6	-12.0	-20.3	-14.9	5.8	741	-12.8	-63.5	-0.88, -0.19	0.90	1.93	3748431
2026-04-30 23:45:11	7	-17.7	-24.1	-16.4	7.6	979	-12.2	-63.6	-0.88, -0.18	0.90	1.76	3748435
2026-04-30 23:48:11	8	-21.2	-27.1	-17.5	8.8	1107	-11.4	-65.0	-0.90, -0.17	0.91	0.00	3748436
2026-04-30 23:51:11	9	-27.5	-30.5	-18.4	11.1	1334	-10.5	-68.5	-0.92, -0.16	0.94	0.00	3748438
2026-04-30 23:54:11	10	-31.3	-47.7	-19.4	12.3	1400	-10.1	-71.6	-0.94, -0.15	0.96	0.00	3748439
2026-04-30 23:57:11	11	-35.3	-52.0	-18.8	13.9	1591	-9.8	-71.4	-0.94, -0.15	0.96	0.00	3748442
2026-05-01 00:00:11	12	-40.2	-54.8	-18.3	15.7	1816	-10.1	-70.4	-0.94, -0.15	0.95	1.09	3748443
2026-05-01 00:03:11	13	-45.2	-55.4	-17.4	18.0	2083	-10.5	-69.7	-0.93, -0.16	0.95	0.98	3748447
2026-05-01 00:06:11	14	-46.5	-55.6	-17.4	18.4	2115	-10.0	-70.4	-0.94, -0.15	0.95	0.00	3748448
2026-05-01 00:09:11	15	-47.4	-57.7	-17.1	18.4	2107	-10.1	-70.6	-0.94, -0.15	0.95	0.00	3748450