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 15446
Detector 24h operating status: Last processed image: 0 hours and 16 minutes ago (2026-05-01 19:00 UTC) Last detected dimming: 0 hours and 16 minutes ago (2026-05-01 19:00 UTC) Overview for dimming #: 15446 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 #: 15446
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2026-04-18 20:21:11 1 0.0 0.0 0.0 0.0 0 , 0.00 3736785

2026-04-18 20:24:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3736786

2026-04-18 20:27:11 3 0.0 0.0 0.0 0.0 0 , 0.00 3736789

2026-04-18 20:30:11 4 -4.3 -25.3 -44.7 0.3 95 , 0.00 3736790

2026-04-18 20:33:11 5 -14.2 -66.9 -11.9 1.7 476 -18.9 -28.9 -0.46, -0.25 0.53 1.03 3736793

2026-04-18 20:36:11 6 -20.8 -71.6 -11.4 3.5 963 -18.8 -28.8 -0.46, -0.25 0.52 1.45 3736794

2026-04-18 20:39:11 7 -28.0 -81.1 -10.1 5.3 1457 -18.9 -28.7 -0.46, -0.25 0.52 1.86 3736797

2026-04-18 20:42:11 8 -37.5 -83.9 -8.6 8.5 2400 -18.8 -28.7 -0.46, -0.25 0.52 1.99 3736798

2026-04-18 20:45:11 9 -38.5 -74.7 -8.9 9.0 2542 -18.7 -28.8 -0.46, -0.24 0.52 0.00 3736801

2026-04-18 20:48:11 10 -37.4 -58.8 -10.2 8.3 2354 -18.6 -28.9 -0.46, -0.24 0.52 0.00 3736802

2026-04-18 20:51:11 11 -39.5 -52.1 -10.6 8.7 2461 -18.3 -28.9 -0.46, -0.24 0.52 0.00 3736805

2026-04-18 20:54:11 12 -42.6 -48.6 -10.3 9.4 2665 -18.0 -28.8 -0.46, -0.23 0.52 0.00 3736806

2026-04-18 20:57:11 13 -43.5 -67.0 -11.2 8.6 2431 -17.7 -28.8 -0.46, -0.23 0.52 0.00 3736809

2026-04-18 21:00:35 14 -47.3 -96.6 -11.2 8.8 2474 -17.4 -28.7 -0.46, -0.22 0.51 0.00 3736810

2026-04-18 21:03:11 15 -52.0 -106.9 -10.3 10.3 2904 -17.2 -28.7 -0.47, -0.22 0.51 0.00 3736813

2026-04-18 21:06:11 16 -56.1 -115.4 -10.3 11.2 3175 -17.1 -28.7 -0.47, -0.22 0.51 0.00 3736814

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
2026-04-18 20:21:11	1	0.0	0.0	0.0	0.0	0			,		0.00	3736785
2026-04-18 20:24:11	2	0.0	0.0	0.0	0.0	0			,		0.00	3736786
2026-04-18 20:27:11	3	0.0	0.0	0.0	0.0	0			,		0.00	3736789
2026-04-18 20:30:11	4	-4.3	-25.3	-44.7	0.3	95			,		0.00	3736790
2026-04-18 20:33:11	5	-14.2	-66.9	-11.9	1.7	476	-18.9	-28.9	-0.46, -0.25	0.53	1.03	3736793
2026-04-18 20:36:11	6	-20.8	-71.6	-11.4	3.5	963	-18.8	-28.8	-0.46, -0.25	0.52	1.45	3736794
2026-04-18 20:39:11	7	-28.0	-81.1	-10.1	5.3	1457	-18.9	-28.7	-0.46, -0.25	0.52	1.86	3736797
2026-04-18 20:42:11	8	-37.5	-83.9	-8.6	8.5	2400	-18.8	-28.7	-0.46, -0.25	0.52	1.99	3736798
2026-04-18 20:45:11	9	-38.5	-74.7	-8.9	9.0	2542	-18.7	-28.8	-0.46, -0.24	0.52	0.00	3736801
2026-04-18 20:48:11	10	-37.4	-58.8	-10.2	8.3	2354	-18.6	-28.9	-0.46, -0.24	0.52	0.00	3736802
2026-04-18 20:51:11	11	-39.5	-52.1	-10.6	8.7	2461	-18.3	-28.9	-0.46, -0.24	0.52	0.00	3736805
2026-04-18 20:54:11	12	-42.6	-48.6	-10.3	9.4	2665	-18.0	-28.8	-0.46, -0.23	0.52	0.00	3736806
2026-04-18 20:57:11	13	-43.5	-67.0	-11.2	8.6	2431	-17.7	-28.8	-0.46, -0.23	0.52	0.00	3736809
2026-04-18 21:00:35	14	-47.3	-96.6	-11.2	8.8	2474	-17.4	-28.7	-0.46, -0.22	0.51	0.00	3736810
2026-04-18 21:03:11	15	-52.0	-106.9	-10.3	10.3	2904	-17.2	-28.7	-0.47, -0.22	0.51	0.00	3736813
2026-04-18 21:06:11	16	-56.1	-115.4	-10.3	11.2	3175	-17.1	-28.7	-0.47, -0.22	0.51	0.00	3736814