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 15491
Detector 24h operating status: Last processed image: 0 hours and 15 minutes ago (2026-04-26 09:48 UTC) Last detected dimming: 0 hours and 30 minutes ago (2026-04-26 09:33 UTC) Overview for dimming #: 15491 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 #: 15491
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2026-04-25 20:51:11 1 0.0 0.0 0.0 0.0 0 , 0.00 3743517

2026-04-25 20:54:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3743518

2026-04-25 20:57:11 3 0.0 0.0 0.0 0.0 0 , 0.00 3743521

2026-04-25 21:00:35 4 0.0 0.0 0.0 0.0 0 , 0.00 3743524

2026-04-25 21:03:11 5 -1.2 -12.6 -12.9 0.2 59 , 0.00 3743525

2026-04-25 21:06:11 6 -2.2 -17.1 -11.8 0.4 121 24.1 -9.3 -0.15, 0.49 0.51 2.86 3743526

2026-04-25 21:09:11 7 -3.1 -17.6 -12.5 0.6 176 24.2 -7.8 -0.13, 0.49 0.50 0.00 3743530

2026-04-25 21:12:11 8 -4.4 -20.0 -14.2 0.9 234 24.2 -7.5 -0.12, 0.49 0.50 0.00 3743533

2026-04-25 21:15:11 9 -5.0 -21.8 -13.7 1.0 272 24.1 -7.5 -0.12, 0.49 0.50 0.00 3743534

2026-04-25 21:18:11 10 -5.0 -24.2 -13.5 1.0 265 24.1 -8.3 -0.13, 0.49 0.51 0.00 3743535

2026-04-25 21:21:11 11 -4.9 -23.8 -13.3 1.0 263 24.2 -8.1 -0.13, 0.49 0.51 0.00 3743537

2026-04-25 21:24:23 12 -3.7 -21.5 -14.0 0.7 197 24.1 -8.9 -0.14, 0.49 0.51 0.00 3743538

2026-04-25 21:27:11 13 -3.9 -19.7 -12.6 0.8 230 24.2 -8.8 -0.14, 0.49 0.51 0.00 3743541

2026-04-25 21:30:11 14 -4.2 -20.1 -12.8 1.0 264 24.2 -9.4 -0.15, 0.49 0.51 0.00 3743545

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
2026-04-25 20:51:11	1	0.0	0.0	0.0	0.0	0			,		0.00	3743517
2026-04-25 20:54:11	2	0.0	0.0	0.0	0.0	0			,		0.00	3743518
2026-04-25 20:57:11	3	0.0	0.0	0.0	0.0	0			,		0.00	3743521
2026-04-25 21:00:35	4	0.0	0.0	0.0	0.0	0			,		0.00	3743524
2026-04-25 21:03:11	5	-1.2	-12.6	-12.9	0.2	59			,		0.00	3743525
2026-04-25 21:06:11	6	-2.2	-17.1	-11.8	0.4	121	24.1	-9.3	-0.15, 0.49	0.51	2.86	3743526
2026-04-25 21:09:11	7	-3.1	-17.6	-12.5	0.6	176	24.2	-7.8	-0.13, 0.49	0.50	0.00	3743530
2026-04-25 21:12:11	8	-4.4	-20.0	-14.2	0.9	234	24.2	-7.5	-0.12, 0.49	0.50	0.00	3743533
2026-04-25 21:15:11	9	-5.0	-21.8	-13.7	1.0	272	24.1	-7.5	-0.12, 0.49	0.50	0.00	3743534
2026-04-25 21:18:11	10	-5.0	-24.2	-13.5	1.0	265	24.1	-8.3	-0.13, 0.49	0.51	0.00	3743535
2026-04-25 21:21:11	11	-4.9	-23.8	-13.3	1.0	263	24.2	-8.1	-0.13, 0.49	0.51	0.00	3743537
2026-04-25 21:24:23	12	-3.7	-21.5	-14.0	0.7	197	24.1	-8.9	-0.14, 0.49	0.51	0.00	3743538
2026-04-25 21:27:11	13	-3.9	-19.7	-12.6	0.8	230	24.2	-8.8	-0.14, 0.49	0.51	0.00	3743541
2026-04-25 21:30:11	14	-4.2	-20.1	-12.8	1.0	264	24.2	-9.4	-0.15, 0.49	0.51	0.00	3743545