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 15435
Detector 24h operating status: Last processed image: 0 hours and 21 minutes ago (2026-04-19 01:36 UTC) Last detected dimming: 4 hours and 51 minutes ago (2026-04-18 21:06 UTC) Overview for dimming #: 15435 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 #: 15435
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2026-04-14 14:51:11 1 0.0 0.0 0.0 0.0 0 , 0.00 3732724

2026-04-14 14:54:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3732725

2026-04-14 14:57:11 3 -1.2 -9.3 -14.9 0.4 65 , 0.00 3732729

2026-04-14 15:00:11 4 -8.0 -20.6 -14.2 2.8 485 19.6 -56.2 -0.79, 0.39 0.88 1.00 3732730

2026-04-14 15:03:11 5 -16.4 -24.8 -14.1 5.7 1020 16.8 -53.9 -0.78, 0.35 0.86 1.31 3732733

2026-04-14 15:06:11 6 -21.6 -27.0 -14.6 7.4 1309 16.6 -53.7 -0.78, 0.34 0.85 1.94 3732736

2026-04-14 15:09:11 7 -25.7 -30.1 -15.4 8.6 1508 16.4 -53.5 -0.78, 0.34 0.85 0.00 3732737

2026-04-14 15:12:11 8 -31.5 -33.6 -15.6 10.3 1804 16.1 -53.3 -0.78, 0.34 0.85 0.00 3732738

2026-04-14 15:15:11 9 -37.6 -35.3 -15.9 11.8 2068 15.6 -52.8 -0.78, 0.33 0.84 0.00 3732741

2026-04-14 15:18:11 10 -45.0 -36.4 -16.0 13.9 2415 15.3 -52.4 -0.77, 0.32 0.84 0.00 3732742

2026-04-14 15:21:11 11 -48.5 -38.0 -17.3 14.4 2493 14.4 -52.3 -0.77, 0.31 0.83 0.00 3732745

2026-04-14 15:24:11 12 -52.9 -38.3 -17.3 15.1 2600 13.8 -52.2 -0.78, 0.30 0.83 0.00 3732748

2026-04-14 15:27:11 13 -57.9 -40.2 -18.0 15.7 2706 13.6 -52.2 -0.78, 0.30 0.83 0.00 3732749

2026-04-14 15:30:11 14 -58.8 -42.9 -18.5 15.7 2706 13.2 -51.6 -0.77, 0.29 0.82 0.00 3732750

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
2026-04-14 14:51:11	1	0.0	0.0	0.0	0.0	0			,		0.00	3732724
2026-04-14 14:54:11	2	0.0	0.0	0.0	0.0	0			,		0.00	3732725
2026-04-14 14:57:11	3	-1.2	-9.3	-14.9	0.4	65			,		0.00	3732729
2026-04-14 15:00:11	4	-8.0	-20.6	-14.2	2.8	485	19.6	-56.2	-0.79, 0.39	0.88	1.00	3732730
2026-04-14 15:03:11	5	-16.4	-24.8	-14.1	5.7	1020	16.8	-53.9	-0.78, 0.35	0.86	1.31	3732733
2026-04-14 15:06:11	6	-21.6	-27.0	-14.6	7.4	1309	16.6	-53.7	-0.78, 0.34	0.85	1.94	3732736
2026-04-14 15:09:11	7	-25.7	-30.1	-15.4	8.6	1508	16.4	-53.5	-0.78, 0.34	0.85	0.00	3732737
2026-04-14 15:12:11	8	-31.5	-33.6	-15.6	10.3	1804	16.1	-53.3	-0.78, 0.34	0.85	0.00	3732738
2026-04-14 15:15:11	9	-37.6	-35.3	-15.9	11.8	2068	15.6	-52.8	-0.78, 0.33	0.84	0.00	3732741
2026-04-14 15:18:11	10	-45.0	-36.4	-16.0	13.9	2415	15.3	-52.4	-0.77, 0.32	0.84	0.00	3732742
2026-04-14 15:21:11	11	-48.5	-38.0	-17.3	14.4	2493	14.4	-52.3	-0.77, 0.31	0.83	0.00	3732745
2026-04-14 15:24:11	12	-52.9	-38.3	-17.3	15.1	2600	13.8	-52.2	-0.78, 0.30	0.83	0.00	3732748
2026-04-14 15:27:11	13	-57.9	-40.2	-18.0	15.7	2706	13.6	-52.2	-0.78, 0.30	0.83	0.00	3732749
2026-04-14 15:30:11	14	-58.8	-42.9	-18.5	15.7	2706	13.2	-51.6	-0.77, 0.29	0.82	0.00	3732750