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 14577
Detector 24h operating status: Last processed image: 0 hours and 23 minutes ago (2026-03-05 14:06 UTC) Last detected dimming: 3 hours and 50 minutes ago (2026-03-05 10:39 UTC) Overview for dimming #: 14577 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 #: 14577
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2025-12-05 04:54:11 1 0.0 0.0 0.0 0.0 0 , 1.00 3606664

2025-12-05 04:57:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3606667

2025-12-05 05:00:11 3 -0.1 0.0 -20.1 0.0 4 , 0.00 3606668

2025-12-05 05:03:11 4 -0.8 -7.7 -13.3 0.2 50 , 0.00 3606671

2025-12-05 05:06:11 5 -3.8 -12.2 -12.0 0.9 261 -17.4 13.7 0.23, -0.31 0.38 0.00 3606672

2025-12-05 05:09:11 6 -6.3 -18.9 -12.2 1.4 410 -17.6 14.0 0.23, -0.31 0.39 1.72 3606675

2025-12-05 05:12:11 7 -8.1 -19.8 -13.3 1.6 484 -17.3 14.6 0.24, -0.31 0.39 1.17 3606676

2025-12-05 05:15:11 8 -10.3 -24.3 -11.4 2.0 599 -17.6 15.8 0.26, -0.31 0.41 0.00 3606679

2025-12-05 05:18:11 9 -11.4 -28.0 -12.6 2.0 616 -17.7 15.8 0.26, -0.31 0.41 0.00 3606680

2025-12-05 05:21:11 10 -11.6 -27.9 -13.2 2.0 611 -17.4 15.6 0.26, -0.31 0.40 0.00 3606683

2025-12-05 05:24:11 11 -12.5 -28.8 -12.4 2.2 667 -17.5 15.7 0.26, -0.31 0.41 0.00 3606684

2025-12-05 05:27:11 12 -14.6 -31.0 -11.7 2.5 762 -17.4 15.5 0.26, -0.31 0.40 0.00 3606687

2025-12-05 05:30:11 13 -17.0 -34.1 -11.0 2.9 868 -17.2 15.4 0.26, -0.31 0.40 0.00 3606688

2025-12-05 05:33:11 14 -18.3 -36.4 -11.8 3.1 923 -17.2 15.3 0.26, -0.30 0.40 0.00 3606691

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
2025-12-05 04:54:11	1	0.0	0.0	0.0	0.0	0			,		1.00	3606664
2025-12-05 04:57:11	2	0.0	0.0	0.0	0.0	0			,		0.00	3606667
2025-12-05 05:00:11	3	-0.1	0.0	-20.1	0.0	4			,		0.00	3606668
2025-12-05 05:03:11	4	-0.8	-7.7	-13.3	0.2	50			,		0.00	3606671
2025-12-05 05:06:11	5	-3.8	-12.2	-12.0	0.9	261	-17.4	13.7	0.23, -0.31	0.38	0.00	3606672
2025-12-05 05:09:11	6	-6.3	-18.9	-12.2	1.4	410	-17.6	14.0	0.23, -0.31	0.39	1.72	3606675
2025-12-05 05:12:11	7	-8.1	-19.8	-13.3	1.6	484	-17.3	14.6	0.24, -0.31	0.39	1.17	3606676
2025-12-05 05:15:11	8	-10.3	-24.3	-11.4	2.0	599	-17.6	15.8	0.26, -0.31	0.41	0.00	3606679
2025-12-05 05:18:11	9	-11.4	-28.0	-12.6	2.0	616	-17.7	15.8	0.26, -0.31	0.41	0.00	3606680
2025-12-05 05:21:11	10	-11.6	-27.9	-13.2	2.0	611	-17.4	15.6	0.26, -0.31	0.40	0.00	3606683
2025-12-05 05:24:11	11	-12.5	-28.8	-12.4	2.2	667	-17.5	15.7	0.26, -0.31	0.41	0.00	3606684
2025-12-05 05:27:11	12	-14.6	-31.0	-11.7	2.5	762	-17.4	15.5	0.26, -0.31	0.40	0.00	3606687
2025-12-05 05:30:11	13	-17.0	-34.1	-11.0	2.9	868	-17.2	15.4	0.26, -0.31	0.40	0.00	3606688
2025-12-05 05:33:11	14	-18.3	-36.4	-11.8	3.1	923	-17.2	15.3	0.26, -0.30	0.40	0.00	3606691