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 15381
Detector 24h operating status: Last processed image: 0 hours and 19 minutes ago (2026-04-30 05:45 UTC) Last detected dimming: 0 hours and 19 minutes ago (2026-04-30 05:45 UTC) Overview for dimming #: 15381 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 #: 15381
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2026-04-02 08:36:11 1 0.0 0.0 0.0 0.0 0 , 1.08 3724865

2026-04-02 08:39:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3724866

2026-04-02 08:42:11 3 0.0 0.0 0.0 0.0 0 , 1.51 3724867

2026-04-02 08:45:11 4 0.0 0.0 0.0 0.0 0 , 1.82 3724868

2026-04-02 08:48:11 5 0.0 0.0 0.0 0.0 0 , 0.00 3724869

2026-04-02 08:51:11 6 0.0 0.0 0.0 0.0 0 , 3.50 3724870

2026-04-02 08:54:11 7 0.0 0.0 0.0 0.0 0 , 0.96 3724871

2026-04-02 08:57:11 8 0.0 0.0 0.0 0.0 0 , 0.00 3724872

2026-04-02 09:00:11 9 -0.4 -4.5 -12.5 0.1 31 , 2.57 3724873

2026-04-02 09:03:11 10 -1.0 -8.3 -13.1 0.3 77 27.2 8.2 0.13, 0.56 0.58 2.02 3724874

2026-04-02 09:06:11 11 -1.1 -9.3 -12.5 0.3 85 26.8 8.0 0.13, 0.55 0.57 1.01 3724875

2026-04-02 09:09:11 12 -1.1 -8.8 -11.6 0.4 95 27.1 7.7 0.12, 0.56 0.57 1.08 3724876

2026-04-02 09:12:11 13 -1.8 -11.6 -14.6 0.4 102 10.9 -4.6 -0.08, 0.30 0.31 1.11 3724877

2026-04-02 09:15:11 14 -1.7 -9.6 -11.7 0.5 129 27.6 8.5 0.13, 0.57 0.58 0.00 3724878

2026-04-02 09:18:11 15 -6.8 -13.3 -12.1 1.7 479 3.5 -13.3 -0.23, 0.17 0.29 0.00 3724879

2026-04-02 09:21:11 16 -8.3 -13.4 -11.9 1.8 518 0.0 -17.3 -0.30, 0.11 0.32 0.00 3724880

2026-04-02 09:24:11 17 -10.1 -24.4 -11.7 2.1 618 16.3 -0.6 -0.01, 0.39 0.39 0.00 3724881

2026-04-02 09:27:11 18 -14.3 -30.0 -12.4 3.1 876 0.1 -17.2 -0.30, 0.11 0.32 0.00 3724882

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
2026-04-02 08:36:11	1	0.0	0.0	0.0	0.0	0			,		1.08	3724865
2026-04-02 08:39:11	2	0.0	0.0	0.0	0.0	0			,		0.00	3724866
2026-04-02 08:42:11	3	0.0	0.0	0.0	0.0	0			,		1.51	3724867
2026-04-02 08:45:11	4	0.0	0.0	0.0	0.0	0			,		1.82	3724868
2026-04-02 08:48:11	5	0.0	0.0	0.0	0.0	0			,		0.00	3724869
2026-04-02 08:51:11	6	0.0	0.0	0.0	0.0	0			,		3.50	3724870
2026-04-02 08:54:11	7	0.0	0.0	0.0	0.0	0			,		0.96	3724871
2026-04-02 08:57:11	8	0.0	0.0	0.0	0.0	0			,		0.00	3724872
2026-04-02 09:00:11	9	-0.4	-4.5	-12.5	0.1	31			,		2.57	3724873
2026-04-02 09:03:11	10	-1.0	-8.3	-13.1	0.3	77	27.2	8.2	0.13, 0.56	0.58	2.02	3724874
2026-04-02 09:06:11	11	-1.1	-9.3	-12.5	0.3	85	26.8	8.0	0.13, 0.55	0.57	1.01	3724875
2026-04-02 09:09:11	12	-1.1	-8.8	-11.6	0.4	95	27.1	7.7	0.12, 0.56	0.57	1.08	3724876
2026-04-02 09:12:11	13	-1.8	-11.6	-14.6	0.4	102	10.9	-4.6	-0.08, 0.30	0.31	1.11	3724877
2026-04-02 09:15:11	14	-1.7	-9.6	-11.7	0.5	129	27.6	8.5	0.13, 0.57	0.58	0.00	3724878
2026-04-02 09:18:11	15	-6.8	-13.3	-12.1	1.7	479	3.5	-13.3	-0.23, 0.17	0.29	0.00	3724879
2026-04-02 09:21:11	16	-8.3	-13.4	-11.9	1.8	518	0.0	-17.3	-0.30, 0.11	0.32	0.00	3724880
2026-04-02 09:24:11	17	-10.1	-24.4	-11.7	2.1	618	16.3	-0.6	-0.01, 0.39	0.39	0.00	3724881
2026-04-02 09:27:11	18	-14.3	-30.0	-12.4	3.1	876	0.1	-17.2	-0.30, 0.11	0.32	0.00	3724882