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 15453
Detector 24h operating status: Last processed image: 0 hours and 15 minutes ago (2026-04-26 09:48 UTC) Last detected dimming: 0 hours and 30 minutes ago (2026-04-26 09:33 UTC) Overview for dimming #: 15453 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 #: 15453
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2026-04-21 06:09:11 1 0.0 0.0 0.0 0.0 0 , 0.00 3739096

2026-04-21 06:12:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3739100

2026-04-21 06:15:11 3 0.0 0.0 0.0 0.0 0 , 0.00 3739101

2026-04-21 06:18:11 4 0.0 0.0 0.0 0.0 0 , 0.00 3739104

2026-04-21 06:21:11 5 0.0 0.0 0.0 0.0 0 , 1.78 3739105

2026-04-21 06:24:11 6 -2.2 -10.0 -11.3 0.0 181 -1.12, 0.36 1.17 2.40 3739107

2026-04-21 06:27:11 7 -10.3 -16.8 -12.9 0.0 767 -1.11, 0.36 1.17 1.88 3739108

2026-04-21 06:30:11 8 -17.3 -21.1 -13.5 0.0 1170 -1.11, 0.36 1.17 2.17 3739109

2026-04-21 06:33:11 9 -20.7 -24.7 -13.3 0.0 1379 -1.11, 0.36 1.17 0.00 3739112

2026-04-21 06:36:11 10 -22.8 -26.8 -13.4 0.0 1469 -1.11, 0.36 1.17 0.00 3739115

2026-04-21 06:39:11 11 -24.8 -29.4 -13.6 0.0 1557 -1.11, 0.36 1.17 0.00 3739116

2026-04-21 06:42:11 12 -26.7 -30.2 -13.9 0.0 1665 -1.11, 0.36 1.17 0.00 3739119

2026-04-21 06:45:11 13 -28.1 -31.1 -13.8 0.0 1757 -1.11, 0.36 1.17 0.00 3739120

2026-04-21 06:48:11 14 -28.5 -31.2 -13.3 0.0 1812 -1.11, 0.36 1.17 0.00 3739124

2026-04-21 06:51:11 15 -30.7 -32.4 -13.5 0.0 1955 -1.11, 0.36 1.17 0.00 3739125

2026-04-21 06:54:11 16 -32.1 -33.1 -14.0 0.0 2006 -1.11, 0.36 1.17 0.00 3739127

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	size	x,y in R☉	dist. R☉	detection	Img ID
2026-04-21 06:09:11	1	0.0	0.0	0.0	0	,		0.00	3739096
2026-04-21 06:12:11	2	0.0	0.0	0.0	0	,		0.00	3739100
2026-04-21 06:15:11	3	0.0	0.0	0.0	0	,		0.00	3739101
2026-04-21 06:18:11	4	0.0	0.0	0.0	0	,		0.00	3739104
2026-04-21 06:21:11	5	0.0	0.0	0.0	0	,		1.78	3739105
2026-04-21 06:24:11	6	-2.2	-10.0	-11.3	181	-1.12, 0.36	1.17	2.40	3739107
2026-04-21 06:27:11	7	-10.3	-16.8	-12.9	767	-1.11, 0.36	1.17	1.88	3739108
2026-04-21 06:30:11	8	-17.3	-21.1	-13.5	1170	-1.11, 0.36	1.17	2.17	3739109
2026-04-21 06:33:11	9	-20.7	-24.7	-13.3	1379	-1.11, 0.36	1.17	0.00	3739112
2026-04-21 06:36:11	10	-22.8	-26.8	-13.4	1469	-1.11, 0.36	1.17	0.00	3739115
2026-04-21 06:39:11	11	-24.8	-29.4	-13.6	1557	-1.11, 0.36	1.17	0.00	3739116
2026-04-21 06:42:11	12	-26.7	-30.2	-13.9	1665	-1.11, 0.36	1.17	0.00	3739119
2026-04-21 06:45:11	13	-28.1	-31.1	-13.8	1757	-1.11, 0.36	1.17	0.00	3739120
2026-04-21 06:48:11	14	-28.5	-31.2	-13.3	1812	-1.11, 0.36	1.17	0.00	3739124
2026-04-21 06:51:11	15	-30.7	-32.4	-13.5	1955	-1.11, 0.36	1.17	0.00	3739125
2026-04-21 06:54:11	16	-32.1	-33.1	-14.0	2006	-1.11, 0.36	1.17	0.00	3739127