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 15450
Detector 24h operating status: Last processed image: 0 hours and 32 minutes ago (2026-04-29 20:09 UTC) Last detected dimming: 6 hours and 29 minutes ago (2026-04-29 14:12 UTC) Overview for dimming #: 15450 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 #: 15450
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2026-04-19 17:48:11 1 0.0 0.0 0.0 0.0 0 , 0.00 3737642

2026-04-19 17:51:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3737645

2026-04-19 17:54:11 3 0.0 0.0 0.0 0.0 0 , 0.00 3737646

2026-04-19 17:57:11 4 0.0 0.0 -8.9 0.0 4 , 0.00 3737649

2026-04-19 18:00:11 5 -0.6 -4.0 -15.7 0.1 23 , 0.00 3737650

2026-04-19 18:03:11 6 -1.6 -11.7 -10.4 0.3 82 , 1.22 3737653

2026-04-19 18:06:11 7 -5.5 -15.0 -9.8 1.2 340 15.1 15.8 0.27, 0.35 0.44 1.61 3737654

2026-04-19 18:09:11 8 -8.2 -15.5 -9.4 1.9 564 14.2 15.4 0.26, 0.33 0.42 0.00 3737657

2026-04-19 18:12:11 9 -12.1 -19.4 -9.8 2.7 807 14.4 15.1 0.26, 0.34 0.42 0.00 3737658

2026-04-19 18:15:11 10 -14.6 -23.3 -9.8 3.3 980 14.4 15.2 0.26, 0.34 0.43 0.00 3737661

2026-04-19 18:18:11 11 -20.7 -25.5 -9.9 5.0 1456 15.1 14.9 0.25, 0.35 0.43 0.00 3737662

2026-04-19 18:21:11 12 -22.4 -28.2 -10.2 5.4 1560 15.5 14.8 0.25, 0.36 0.44 0.00 3737665

2026-04-19 18:24:11 13 -25.3 -27.3 -10.4 6.1 1765 15.6 14.6 0.25, 0.36 0.43 0.00 3737666

2026-04-19 18:27:11 14 -26.8 -26.5 -10.8 6.3 1809 15.7 14.5 0.24, 0.36 0.43 0.00 3737669

2026-04-19 18:30:11 15 -28.8 -28.3 -11.2 6.7 1905 15.8 14.5 0.24, 0.36 0.44 0.00 3737670

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
2026-04-19 17:48:11	1	0.0	0.0	0.0	0.0	0			,		0.00	3737642
2026-04-19 17:51:11	2	0.0	0.0	0.0	0.0	0			,		0.00	3737645
2026-04-19 17:54:11	3	0.0	0.0	0.0	0.0	0			,		0.00	3737646
2026-04-19 17:57:11	4	0.0	0.0	-8.9	0.0	4			,		0.00	3737649
2026-04-19 18:00:11	5	-0.6	-4.0	-15.7	0.1	23			,		0.00	3737650
2026-04-19 18:03:11	6	-1.6	-11.7	-10.4	0.3	82			,		1.22	3737653
2026-04-19 18:06:11	7	-5.5	-15.0	-9.8	1.2	340	15.1	15.8	0.27, 0.35	0.44	1.61	3737654
2026-04-19 18:09:11	8	-8.2	-15.5	-9.4	1.9	564	14.2	15.4	0.26, 0.33	0.42	0.00	3737657
2026-04-19 18:12:11	9	-12.1	-19.4	-9.8	2.7	807	14.4	15.1	0.26, 0.34	0.42	0.00	3737658
2026-04-19 18:15:11	10	-14.6	-23.3	-9.8	3.3	980	14.4	15.2	0.26, 0.34	0.43	0.00	3737661
2026-04-19 18:18:11	11	-20.7	-25.5	-9.9	5.0	1456	15.1	14.9	0.25, 0.35	0.43	0.00	3737662
2026-04-19 18:21:11	12	-22.4	-28.2	-10.2	5.4	1560	15.5	14.8	0.25, 0.36	0.44	0.00	3737665
2026-04-19 18:24:11	13	-25.3	-27.3	-10.4	6.1	1765	15.6	14.6	0.25, 0.36	0.43	0.00	3737666
2026-04-19 18:27:11	14	-26.8	-26.5	-10.8	6.3	1809	15.7	14.5	0.24, 0.36	0.43	0.00	3737669
2026-04-19 18:30:11	15	-28.8	-28.3	-11.2	6.7	1905	15.8	14.5	0.24, 0.36	0.44	0.00	3737670