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 15255
Detector 24h operating status: Last processed image: 0 hours and 23 minutes ago (2026-03-21 20:15 UTC) Last detected dimming: 4 hours and 2 minutes ago (2026-03-21 16:36 UTC) Overview for dimming #: 15255 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 #: 15255
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2026-03-18 06:45:11 1 0.0 0.0 0.0 0.0 0 , 0.00 3702105

2026-03-18 06:48:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3702106

2026-03-18 06:51:11 3 0.0 0.0 0.0 0.0 0 , 0.00 3702111

2026-03-18 06:54:11 4 0.0 0.0 0.0 0.0 0 , 0.00 3702112

2026-03-18 06:57:11 5 0.0 0.0 0.0 0.0 0 , 0.00 3702113

2026-03-18 07:00:11 6 0.0 0.0 0.0 0.0 0 , 4.22 3702114

2026-03-18 07:03:11 7 -0.5 -5.4 -16.0 0.1 29 , 0.00 3702117

2026-03-18 07:06:11 8 -0.8 -7.7 -14.1 0.2 50 , 0.00 3702118

2026-03-18 07:09:11 9 -1.0 -9.8 -17.5 0.2 55 , 0.00 3702120

2026-03-18 07:12:11 10 -0.8 -7.9 -18.2 0.1 46 , 0.00 3702121

2026-03-18 07:15:11 11 -1.0 -10.5 -20.8 0.2 51 , 0.00 3702125

2026-03-18 07:18:11 12 -1.0 -10.8 -20.3 0.2 49 , 0.00 3702126

2026-03-18 07:21:11 13 -1.5 -14.8 -20.1 0.2 71 , 0.00 3702131

2026-03-18 07:24:11 14 -2.3 -18.9 -20.3 0.3 111 -10.6 -8.2 -0.14, -0.06 0.16 0.00 3702132

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
2026-03-18 06:45:11	1	0.0	0.0	0.0	0.0	0			,		0.00	3702105
2026-03-18 06:48:11	2	0.0	0.0	0.0	0.0	0			,		0.00	3702106
2026-03-18 06:51:11	3	0.0	0.0	0.0	0.0	0			,		0.00	3702111
2026-03-18 06:54:11	4	0.0	0.0	0.0	0.0	0			,		0.00	3702112
2026-03-18 06:57:11	5	0.0	0.0	0.0	0.0	0			,		0.00	3702113
2026-03-18 07:00:11	6	0.0	0.0	0.0	0.0	0			,		4.22	3702114
2026-03-18 07:03:11	7	-0.5	-5.4	-16.0	0.1	29			,		0.00	3702117
2026-03-18 07:06:11	8	-0.8	-7.7	-14.1	0.2	50			,		0.00	3702118
2026-03-18 07:09:11	9	-1.0	-9.8	-17.5	0.2	55			,		0.00	3702120
2026-03-18 07:12:11	10	-0.8	-7.9	-18.2	0.1	46			,		0.00	3702121
2026-03-18 07:15:11	11	-1.0	-10.5	-20.8	0.2	51			,		0.00	3702125
2026-03-18 07:18:11	12	-1.0	-10.8	-20.3	0.2	49			,		0.00	3702126
2026-03-18 07:21:11	13	-1.5	-14.8	-20.1	0.2	71			,		0.00	3702131
2026-03-18 07:24:11	14	-2.3	-18.9	-20.3	0.3	111	-10.6	-8.2	-0.14, -0.06	0.16	0.00	3702132