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 15271
Detector 24h operating status: Last processed image: 0 hours and 21 minutes ago (2026-03-30 07:51 UTC) Last detected dimming: 0 hours and 27 minutes ago (2026-03-30 07:45 UTC) Overview for dimming #: 15271 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 #: 15271
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2026-03-23 22:57:11 1 0.0 0.0 0.0 0.0 0 , 0.00 3707531

2026-03-23 23:00:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3707532

2026-03-23 23:03:11 3 0.0 0.0 0.0 0.0 0 , 0.00 3707535

2026-03-23 23:06:11 4 -1.4 -7.7 -8.5 1.2 159 , 0.00 3707536

2026-03-23 23:09:11 5 -18.1 -16.5 -11.1 11.7 1511 -5.9 -65.5 -0.91, -0.05 0.92 0.00 3707539

2026-03-23 23:12:47 6 -31.9 -23.4 -13.3 15.7 2150 -5.2 -63.5 -0.90, -0.04 0.90 3.99 3707540

2026-03-23 23:15:11 7 -37.7 -23.0 -15.4 16.7 2305 -2.8 -61.1 -0.88, 0.01 0.88 1.42 3707543

2026-03-23 23:18:11 8 -39.5 -26.0 -17.5 15.7 2192 -0.6 -59.7 -0.87, 0.05 0.87 0.00 3707544

2026-03-23 23:21:11 9 -43.8 -28.3 -19.2 16.0 2285 -0.6 -59.1 -0.87, 0.05 0.87 0.00 3707549

2026-03-23 23:24:11 10 -48.7 -32.3 -19.4 16.8 2428 -0.2 -59.3 -0.87, 0.06 0.87 0.00 3707550

2026-03-23 23:27:11 11 -52.1 -36.4 -20.4 17.4 2500 0.2 -59.3 -0.87, 0.07 0.87 0.00 3707551

2026-03-23 23:30:11 12 -52.9 -36.3 -21.1 17.5 2506 -0.3 -59.4 -0.87, 0.06 0.87 0.00 3707552

2026-03-23 23:33:11 13 -53.5 -37.6 -20.7 17.9 2547 0.1 -59.2 -0.87, 0.06 0.87 0.00 3707557

2026-03-23 23:36:11 14 -52.6 -37.5 -19.9 17.9 2543 0.6 -59.0 -0.87, 0.07 0.87 0.00 3707558

2026-03-23 23:39:11 15 -51.5 -38.1 -18.6 18.2 2577 0.5 -59.1 -0.87, 0.07 0.87 0.00 3707559

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
2026-03-23 22:57:11	1	0.0	0.0	0.0	0.0	0			,		0.00	3707531
2026-03-23 23:00:11	2	0.0	0.0	0.0	0.0	0			,		0.00	3707532
2026-03-23 23:03:11	3	0.0	0.0	0.0	0.0	0			,		0.00	3707535
2026-03-23 23:06:11	4	-1.4	-7.7	-8.5	1.2	159			,		0.00	3707536
2026-03-23 23:09:11	5	-18.1	-16.5	-11.1	11.7	1511	-5.9	-65.5	-0.91, -0.05	0.92	0.00	3707539
2026-03-23 23:12:47	6	-31.9	-23.4	-13.3	15.7	2150	-5.2	-63.5	-0.90, -0.04	0.90	3.99	3707540
2026-03-23 23:15:11	7	-37.7	-23.0	-15.4	16.7	2305	-2.8	-61.1	-0.88, 0.01	0.88	1.42	3707543
2026-03-23 23:18:11	8	-39.5	-26.0	-17.5	15.7	2192	-0.6	-59.7	-0.87, 0.05	0.87	0.00	3707544
2026-03-23 23:21:11	9	-43.8	-28.3	-19.2	16.0	2285	-0.6	-59.1	-0.87, 0.05	0.87	0.00	3707549
2026-03-23 23:24:11	10	-48.7	-32.3	-19.4	16.8	2428	-0.2	-59.3	-0.87, 0.06	0.87	0.00	3707550
2026-03-23 23:27:11	11	-52.1	-36.4	-20.4	17.4	2500	0.2	-59.3	-0.87, 0.07	0.87	0.00	3707551
2026-03-23 23:30:11	12	-52.9	-36.3	-21.1	17.5	2506	-0.3	-59.4	-0.87, 0.06	0.87	0.00	3707552
2026-03-23 23:33:11	13	-53.5	-37.6	-20.7	17.9	2547	0.1	-59.2	-0.87, 0.06	0.87	0.00	3707557
2026-03-23 23:36:11	14	-52.6	-37.5	-19.9	17.9	2543	0.6	-59.0	-0.87, 0.07	0.87	0.00	3707558
2026-03-23 23:39:11	15	-51.5	-38.1	-18.6	18.2	2577	0.5	-59.1	-0.87, 0.07	0.87	0.00	3707559