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 14521
Detector 24h operating status: Last processed image: 0 hours and 27 minutes ago (2026-03-10 09:48 UTC) Last detected dimming: 3 hours and 27 minutes ago (2026-03-10 06:48 UTC) Overview for dimming #: 14521 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 #: 14521
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2025-11-29 07:45:11 1 0.0 0.0 0.0 0.0 0 , 0.00 3601064

2025-11-29 07:48:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3601065

2025-11-29 07:51:11 3 0.0 0.0 0.0 0.0 0 , 0.00 3601068

2025-11-29 07:54:11 4 0.0 0.0 0.0 0.0 0 , 0.00 3601069

2025-11-29 07:57:11 5 -0.2 -1.2 -8.1 0.0 26 , 0.00 3601072

2025-11-29 08:00:11 6 -2.2 -8.8 -11.4 0.6 191 , 5.96 3601073

2025-11-29 08:03:11 7 -3.5 -12.3 -12.0 1.2 294 , 1.52 3601077

2025-11-29 08:06:11 8 -5.7 -14.7 -11.5 1.9 472 26.4 -59.6 -0.78, 0.44 0.90 0.00 3601078

2025-11-29 08:09:11 9 -6.2 -14.8 -11.9 2.2 489 26.8 -61.8 -0.79, 0.45 0.91 0.00 3601082

2025-11-29 08:12:11 10 -7.5 -16.3 -13.0 2.8 541 22.2 -54.9 -0.77, 0.37 0.85 0.00 3601083

2025-11-29 08:15:11 11 -12.2 -19.2 -12.3 3.6 849 21.3 -54.4 -0.77, 0.36 0.84 0.00 3601084

2025-11-29 08:18:11 12 -16.7 -37.8 -13.0 4.5 987 18.6 -52.8 -0.76, 0.31 0.82 0.00 3601085

2025-11-29 08:21:11 13 -19.1 -39.5 -13.2 5.0 1103 19.5 -53.6 -0.77, 0.33 0.83 0.00 3601090

2025-11-29 08:24:11 14 -22.2 -55.3 -11.9 5.4 1267 19.4 -53.5 -0.77, 0.32 0.83 0.00 3601091

2025-11-29 08:27:11 15 -25.4 -66.4 -11.4 5.8 1404 19.5 -53.5 -0.77, 0.33 0.83 0.00 3601092

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
2025-11-29 07:45:11	1	0.0	0.0	0.0	0.0	0			,		0.00	3601064
2025-11-29 07:48:11	2	0.0	0.0	0.0	0.0	0			,		0.00	3601065
2025-11-29 07:51:11	3	0.0	0.0	0.0	0.0	0			,		0.00	3601068
2025-11-29 07:54:11	4	0.0	0.0	0.0	0.0	0			,		0.00	3601069
2025-11-29 07:57:11	5	-0.2	-1.2	-8.1	0.0	26			,		0.00	3601072
2025-11-29 08:00:11	6	-2.2	-8.8	-11.4	0.6	191			,		5.96	3601073
2025-11-29 08:03:11	7	-3.5	-12.3	-12.0	1.2	294			,		1.52	3601077
2025-11-29 08:06:11	8	-5.7	-14.7	-11.5	1.9	472	26.4	-59.6	-0.78, 0.44	0.90	0.00	3601078
2025-11-29 08:09:11	9	-6.2	-14.8	-11.9	2.2	489	26.8	-61.8	-0.79, 0.45	0.91	0.00	3601082
2025-11-29 08:12:11	10	-7.5	-16.3	-13.0	2.8	541	22.2	-54.9	-0.77, 0.37	0.85	0.00	3601083
2025-11-29 08:15:11	11	-12.2	-19.2	-12.3	3.6	849	21.3	-54.4	-0.77, 0.36	0.84	0.00	3601084
2025-11-29 08:18:11	12	-16.7	-37.8	-13.0	4.5	987	18.6	-52.8	-0.76, 0.31	0.82	0.00	3601085
2025-11-29 08:21:11	13	-19.1	-39.5	-13.2	5.0	1103	19.5	-53.6	-0.77, 0.33	0.83	0.00	3601090
2025-11-29 08:24:11	14	-22.2	-55.3	-11.9	5.4	1267	19.4	-53.5	-0.77, 0.32	0.83	0.00	3601091
2025-11-29 08:27:11	15	-25.4	-66.4	-11.4	5.8	1404	19.5	-53.5	-0.77, 0.33	0.83	0.00	3601092