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 15402
Detector 24h operating status: Last processed image: 0 hours and 19 minutes ago (2026-04-30 05:45 UTC) Last detected dimming: 0 hours and 19 minutes ago (2026-04-30 05:45 UTC) Overview for dimming #: 15402 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 #: 15402
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2026-04-03 22:00:11 1 0.0 0.0 0.0 0.0 0 , 0.00 3725613

2026-04-03 22:03:11 2 -0.6 -6.4 -13.6 0.1 48 , 0.00 3725614

2026-04-03 22:06:11 3 -3.4 -11.5 -12.8 0.8 252 -10.3 2.3 0.04, -0.07 0.08 0.00 3725615

2026-04-03 22:09:11 4 -6.5 -14.5 -12.2 1.4 450 -8.5 -0.5 -0.01, -0.04 0.04 0.00 3725616

2026-04-03 22:12:11 5 -12.3 -17.8 -13.0 2.4 767 -7.7 -2.5 -0.04, -0.02 0.05 0.84 3725617

2026-04-03 22:15:11 6 -20.1 -29.6 -13.7 3.6 1175 -7.6 -2.6 -0.04, -0.02 0.05 1.08 3725618

2026-04-03 22:18:11 7 -26.8 -35.8 -15.2 4.5 1440 -7.6 -2.5 -0.04, -0.02 0.05 0.00 3725619

2026-04-03 22:21:11 8 -36.6 -39.4 -16.4 5.5 1786 -7.7 -2.0 -0.04, -0.02 0.04 0.00 3725620

2026-04-03 22:24:11 9 -45.1 -42.9 -18.8 6.2 2001 -7.6 -2.2 -0.04, -0.02 0.04 0.00 3725621

2026-04-03 22:27:11 10 -53.7 -47.8 -18.8 7.0 2278 -7.7 -2.1 -0.04, -0.02 0.04 0.00 3725622

2026-04-03 22:30:11 11 -61.5 -53.7 -21.0 7.5 2409 -8.0 -1.6 -0.03, -0.03 0.04 0.00 3725623

2026-04-03 22:33:11 12 -69.5 -55.3 -21.8 8.2 2638 -8.0 -1.6 -0.03, -0.03 0.04 0.00 3725624

2026-04-03 22:36:11 13 -78.0 -58.0 -22.1 9.0 2919 -8.1 -1.4 -0.02, -0.03 0.04 0.00 3725625

2026-04-03 22:39:11 14 -84.7 -59.7 -23.2 9.5 3064 -8.1 -1.1 -0.02, -0.03 0.04 0.00 3725626

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
2026-04-03 22:00:11	1	0.0	0.0	0.0	0.0	0			,		0.00	3725613
2026-04-03 22:03:11	2	-0.6	-6.4	-13.6	0.1	48			,		0.00	3725614
2026-04-03 22:06:11	3	-3.4	-11.5	-12.8	0.8	252	-10.3	2.3	0.04, -0.07	0.08	0.00	3725615
2026-04-03 22:09:11	4	-6.5	-14.5	-12.2	1.4	450	-8.5	-0.5	-0.01, -0.04	0.04	0.00	3725616
2026-04-03 22:12:11	5	-12.3	-17.8	-13.0	2.4	767	-7.7	-2.5	-0.04, -0.02	0.05	0.84	3725617
2026-04-03 22:15:11	6	-20.1	-29.6	-13.7	3.6	1175	-7.6	-2.6	-0.04, -0.02	0.05	1.08	3725618
2026-04-03 22:18:11	7	-26.8	-35.8	-15.2	4.5	1440	-7.6	-2.5	-0.04, -0.02	0.05	0.00	3725619
2026-04-03 22:21:11	8	-36.6	-39.4	-16.4	5.5	1786	-7.7	-2.0	-0.04, -0.02	0.04	0.00	3725620
2026-04-03 22:24:11	9	-45.1	-42.9	-18.8	6.2	2001	-7.6	-2.2	-0.04, -0.02	0.04	0.00	3725621
2026-04-03 22:27:11	10	-53.7	-47.8	-18.8	7.0	2278	-7.7	-2.1	-0.04, -0.02	0.04	0.00	3725622
2026-04-03 22:30:11	11	-61.5	-53.7	-21.0	7.5	2409	-8.0	-1.6	-0.03, -0.03	0.04	0.00	3725623
2026-04-03 22:33:11	12	-69.5	-55.3	-21.8	8.2	2638	-8.0	-1.6	-0.03, -0.03	0.04	0.00	3725624
2026-04-03 22:36:11	13	-78.0	-58.0	-22.1	9.0	2919	-8.1	-1.4	-0.02, -0.03	0.04	0.00	3725625
2026-04-03 22:39:11	14	-84.7	-59.7	-23.2	9.5	3064	-8.1	-1.1	-0.02, -0.03	0.04	0.00	3725626