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 15275
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 #: 15275 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 #: 15275
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2026-03-25 01:48:11 1 0.0 0.0 0.0 0.0 0 , 0.00 3708600

2026-03-25 01:51:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3708601

2026-03-25 01:54:11 3 -0.1 0.0 -23.8 0.0 5 , 0.00 3708602

2026-03-25 01:57:11 4 -1.4 -6.2 -14.1 0.4 83 -9.9 47.9 0.74, -0.09 0.75 0.00 3708603

2026-03-25 02:00:11 5 -9.5 -33.0 -20.6 2.0 366 -15.4 53.0 0.78, -0.20 0.80 0.00 3708606

2026-03-25 02:03:11 6 -14.1 -43.6 -22.2 2.8 500 -16.0 53.2 0.78, -0.21 0.81 3.13 3708607

2026-03-25 02:06:11 7 -18.2 -43.4 -21.0 3.6 631 -13.1 52.8 0.78, -0.16 0.80 2.29 3708610

2026-03-25 02:09:11 8 -21.3 -49.0 -19.8 3.9 700 -13.4 52.0 0.78, -0.16 0.79 2.13 3708611

2026-03-25 02:12:11 9 -24.5 -54.6 -21.3 4.1 732 -12.6 50.5 0.76, -0.14 0.78 1.46 3708612

2026-03-25 02:15:11 10 -27.4 -69.9 -23.7 4.2 748 -11.6 49.9 0.76, -0.13 0.77 1.34 3708613

2026-03-25 02:18:11 11 -32.5 -83.9 -26.5 4.4 786 -10.4 49.1 0.75, -0.10 0.76 1.24 3708616

2026-03-25 02:21:11 12 -41.9 -96.4 -25.1 5.2 928 -9.5 49.0 0.75, -0.09 0.76 1.19 3708617

2026-03-25 02:24:11 13 -50.9 -115.5 -21.8 6.0 1074 -9.1 48.8 0.75, -0.08 0.76 1.49 3708622

2026-03-25 02:27:11 14 -56.6 -132.5 -23.1 6.2 1112 -8.9 49.0 0.75, -0.08 0.76 0.91 3708623

2026-03-25 02:30:11 15 -64.0 -142.1 -24.5 6.3 1147 -8.8 49.4 0.76, -0.08 0.76 0.00 3708624

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
2026-03-25 01:48:11	1	0.0	0.0	0.0	0.0	0			,		0.00	3708600
2026-03-25 01:51:11	2	0.0	0.0	0.0	0.0	0			,		0.00	3708601
2026-03-25 01:54:11	3	-0.1	0.0	-23.8	0.0	5			,		0.00	3708602
2026-03-25 01:57:11	4	-1.4	-6.2	-14.1	0.4	83	-9.9	47.9	0.74, -0.09	0.75	0.00	3708603
2026-03-25 02:00:11	5	-9.5	-33.0	-20.6	2.0	366	-15.4	53.0	0.78, -0.20	0.80	0.00	3708606
2026-03-25 02:03:11	6	-14.1	-43.6	-22.2	2.8	500	-16.0	53.2	0.78, -0.21	0.81	3.13	3708607
2026-03-25 02:06:11	7	-18.2	-43.4	-21.0	3.6	631	-13.1	52.8	0.78, -0.16	0.80	2.29	3708610
2026-03-25 02:09:11	8	-21.3	-49.0	-19.8	3.9	700	-13.4	52.0	0.78, -0.16	0.79	2.13	3708611
2026-03-25 02:12:11	9	-24.5	-54.6	-21.3	4.1	732	-12.6	50.5	0.76, -0.14	0.78	1.46	3708612
2026-03-25 02:15:11	10	-27.4	-69.9	-23.7	4.2	748	-11.6	49.9	0.76, -0.13	0.77	1.34	3708613
2026-03-25 02:18:11	11	-32.5	-83.9	-26.5	4.4	786	-10.4	49.1	0.75, -0.10	0.76	1.24	3708616
2026-03-25 02:21:11	12	-41.9	-96.4	-25.1	5.2	928	-9.5	49.0	0.75, -0.09	0.76	1.19	3708617
2026-03-25 02:24:11	13	-50.9	-115.5	-21.8	6.0	1074	-9.1	48.8	0.75, -0.08	0.76	1.49	3708622
2026-03-25 02:27:11	14	-56.6	-132.5	-23.1	6.2	1112	-8.9	49.0	0.75, -0.08	0.76	0.91	3708623
2026-03-25 02:30:11	15	-64.0	-142.1	-24.5	6.3	1147	-8.8	49.4	0.76, -0.08	0.76	0.00	3708624