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 13556
Detector 24h operating status: Last processed image: 0 hours and 18 minutes ago (2026-05-17 02:39 UTC) Last detected dimming: 0 hours and 51 minutes ago (2026-05-17 02:06 UTC) Overview for dimming #: 13556 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 #: 13556
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2025-08-07 12:42:11 1 0.0 0.0 0.0 0.0 0 , 0.00 3493556

2025-08-07 12:45:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3493557

2025-08-07 12:48:11 3 -0.6 -5.6 -12.8 0.1 33 , 0.00 3493560

2025-08-07 12:51:11 4 -1.1 -8.0 -11.9 0.3 67 -18.2 30.7 0.49, -0.40 0.64 0.00 3493561

2025-08-07 12:54:11 5 -2.6 -9.9 -11.4 0.7 188 -17.6 31.0 0.50, -0.39 0.63 0.00 3493564

2025-08-07 12:57:11 6 -4.3 -13.2 -10.3 1.3 326 -17.3 31.0 0.50, -0.39 0.63 19.59 3493565

2025-08-07 13:00:11 7 -7.2 -17.7 -10.8 1.9 481 -17.4 31.0 0.50, -0.39 0.63 14.12 3493568

2025-08-07 13:03:11 8 -9.5 -20.6 -10.9 2.3 586 -17.3 30.9 0.50, -0.39 0.63 0.00 3493569

2025-08-07 13:06:11 9 -11.6 -29.0 -10.5 2.8 705 -17.3 31.3 0.50, -0.39 0.64 0.00 3493572

2025-08-07 13:09:11 10 -13.7 -34.5 -10.7 3.2 810 -17.1 31.2 0.50, -0.39 0.63 0.00 3493573

2025-08-07 13:12:11 11 -15.7 -58.1 -11.7 3.1 784 -15.8 31.6 0.51, -0.36 0.63 0.00 3493574

2025-08-07 13:15:11 12 -17.4 -66.4 -11.3 3.5 885 -16.7 31.5 0.51, -0.38 0.63 0.00 3493577

2025-08-07 13:18:11 13 -21.7 -73.6 -10.5 4.9 1210 -15.2 31.4 0.51, -0.35 0.62 0.00 3493581

2025-08-07 13:21:11 14 -28.6 -83.1 -10.5 6.7 1642 -14.7 31.7 0.51, -0.35 0.62 0.00 3493582

2025-08-07 13:24:11 15 -32.2 -84.8 -10.2 8.0 1951 -14.1 31.8 0.52, -0.33 0.62 0.00 3493585

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
2025-08-07 12:42:11	1	0.0	0.0	0.0	0.0	0			,		0.00	3493556
2025-08-07 12:45:11	2	0.0	0.0	0.0	0.0	0			,		0.00	3493557
2025-08-07 12:48:11	3	-0.6	-5.6	-12.8	0.1	33			,		0.00	3493560
2025-08-07 12:51:11	4	-1.1	-8.0	-11.9	0.3	67	-18.2	30.7	0.49, -0.40	0.64	0.00	3493561
2025-08-07 12:54:11	5	-2.6	-9.9	-11.4	0.7	188	-17.6	31.0	0.50, -0.39	0.63	0.00	3493564
2025-08-07 12:57:11	6	-4.3	-13.2	-10.3	1.3	326	-17.3	31.0	0.50, -0.39	0.63	19.59	3493565
2025-08-07 13:00:11	7	-7.2	-17.7	-10.8	1.9	481	-17.4	31.0	0.50, -0.39	0.63	14.12	3493568
2025-08-07 13:03:11	8	-9.5	-20.6	-10.9	2.3	586	-17.3	30.9	0.50, -0.39	0.63	0.00	3493569
2025-08-07 13:06:11	9	-11.6	-29.0	-10.5	2.8	705	-17.3	31.3	0.50, -0.39	0.64	0.00	3493572
2025-08-07 13:09:11	10	-13.7	-34.5	-10.7	3.2	810	-17.1	31.2	0.50, -0.39	0.63	0.00	3493573
2025-08-07 13:12:11	11	-15.7	-58.1	-11.7	3.1	784	-15.8	31.6	0.51, -0.36	0.63	0.00	3493574
2025-08-07 13:15:11	12	-17.4	-66.4	-11.3	3.5	885	-16.7	31.5	0.51, -0.38	0.63	0.00	3493577
2025-08-07 13:18:11	13	-21.7	-73.6	-10.5	4.9	1210	-15.2	31.4	0.51, -0.35	0.62	0.00	3493581
2025-08-07 13:21:11	14	-28.6	-83.1	-10.5	6.7	1642	-14.7	31.7	0.51, -0.35	0.62	0.00	3493582
2025-08-07 13:24:11	15	-32.2	-84.8	-10.2	8.0	1951	-14.1	31.8	0.52, -0.33	0.62	0.00	3493585