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 15250
Detector 24h operating status: Last processed image: 0 hours and 20 minutes ago (2026-03-21 20:42 UTC) Last detected dimming: 4 hours and 26 minutes ago (2026-03-21 16:36 UTC) Overview for dimming #: 15250 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 #: 15250
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2026-03-17 19:21:11 1 0.0 0.0 0.0 0.0 0 , 0.00 3701654

2026-03-17 19:24:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3701655

2026-03-17 19:27:11 3 0.0 0.0 0.0 0.0 0 , 0.00 3701656

2026-03-17 19:30:11 4 -6.7 -13.6 -11.1 0.0 587 1.00, -0.42 1.08 0.00 3701657

2026-03-17 19:33:11 5 -22.6 -18.0 -14.4 0.0 1657 1.00, -0.42 1.08 1.64 3701661

2026-03-17 19:36:11 6 -36.2 -19.6 -14.3 0.0 2619 1.01, -0.41 1.09 2.58 3701662

2026-03-17 19:39:11 7 -45.5 -21.9 -13.5 0.0 3320 1.01, -0.40 1.09 3.09 3701664

2026-03-17 19:42:11 8 -53.1 -25.6 -13.3 0.0 3691 1.01, -0.39 1.09 2.35 3701665

2026-03-17 19:45:11 9 -60.5 -28.1 -13.2 0.0 4105 1.02, -0.38 1.09 1.98 3701670

2026-03-17 19:48:11 10 -64.3 -29.9 -13.9 0.0 4233 1.02, -0.38 1.09 0.94 3701671

2026-03-17 19:51:11 11 -67.8 -30.3 -14.4 0.0 4362 1.02, -0.38 1.09 0.00 3701672

2026-03-17 19:54:11 12 -72.4 -31.9 -14.8 0.0 4541 1.02, -0.37 1.09 0.98 3701673

2026-03-17 20:09:11 13 -93.2 -37.4 -15.0 0.0 5636 1.03, -0.35 1.09 0.00 3701682

2026-03-17 20:12:11 14 -95.8 -38.9 -15.5 0.0 5678 1.03, -0.35 1.09 0.00 3701683

2026-03-17 20:15:11 15 -98.9 -40.1 -15.7 0.0 5762 1.03, -0.34 1.09 0.00 3701687

2026-03-17 20:18:11 16 -102.6 -39.9 -16.0 0.0 5924 1.04, -0.34 1.09 0.00 3701688

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	size	x,y in R☉	dist. R☉	detection	Img ID
2026-03-17 19:21:11	1	0.0	0.0	0.0	0	,		0.00	3701654
2026-03-17 19:24:11	2	0.0	0.0	0.0	0	,		0.00	3701655
2026-03-17 19:27:11	3	0.0	0.0	0.0	0	,		0.00	3701656
2026-03-17 19:30:11	4	-6.7	-13.6	-11.1	587	1.00, -0.42	1.08	0.00	3701657
2026-03-17 19:33:11	5	-22.6	-18.0	-14.4	1657	1.00, -0.42	1.08	1.64	3701661
2026-03-17 19:36:11	6	-36.2	-19.6	-14.3	2619	1.01, -0.41	1.09	2.58	3701662
2026-03-17 19:39:11	7	-45.5	-21.9	-13.5	3320	1.01, -0.40	1.09	3.09	3701664
2026-03-17 19:42:11	8	-53.1	-25.6	-13.3	3691	1.01, -0.39	1.09	2.35	3701665
2026-03-17 19:45:11	9	-60.5	-28.1	-13.2	4105	1.02, -0.38	1.09	1.98	3701670
2026-03-17 19:48:11	10	-64.3	-29.9	-13.9	4233	1.02, -0.38	1.09	0.94	3701671
2026-03-17 19:51:11	11	-67.8	-30.3	-14.4	4362	1.02, -0.38	1.09	0.00	3701672
2026-03-17 19:54:11	12	-72.4	-31.9	-14.8	4541	1.02, -0.37	1.09	0.98	3701673
2026-03-17 20:09:11	13	-93.2	-37.4	-15.0	5636	1.03, -0.35	1.09	0.00	3701682
2026-03-17 20:12:11	14	-95.8	-38.9	-15.5	5678	1.03, -0.35	1.09	0.00	3701683
2026-03-17 20:15:11	15	-98.9	-40.1	-15.7	5762	1.03, -0.34	1.09	0.00	3701687
2026-03-17 20:18:11	16	-102.6	-39.9	-16.0	5924	1.04, -0.34	1.09	0.00	3701688