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 15240
Detector 24h operating status: Last processed image: 0 hours and 26 minutes ago (2026-03-21 23:15 UTC) Last detected dimming: 7 hours and 5 minutes ago (2026-03-21 16:36 UTC) Overview for dimming #: 15240 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 #: 15240
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2026-03-15 04:30:11 1 0.0 0.0 0.0 0.0 0 , 0.00 3699153

2026-03-15 04:33:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3699154

2026-03-15 04:36:11 3 0.0 0.0 0.0 0.0 0 , 0.00 3699157

2026-03-15 04:39:11 4 0.0 0.0 0.0 0.0 0 , 0.00 3699158

2026-03-15 04:42:11 5 0.0 0.0 0.0 0.0 0 , 1.70 3699163

2026-03-15 04:45:11 6 0.0 0.0 0.0 0.0 0 , 2.81 3699164

2026-03-15 04:48:11 7 -0.4 -3.1 -15.3 0.1 26 9.9 -3.9 -0.07, 0.30 0.30 0.00 3699165

2026-03-15 04:51:11 8 -0.3 -2.9 -14.7 0.1 20 9.9 -3.9 -0.07, 0.30 0.30 0.00 3699166

2026-03-15 04:54:11 9 -0.8 -4.6 -14.3 0.2 60 10.7 -2.9 -0.05, 0.31 0.31 0.00 3699171

2026-03-15 04:57:11 10 -2.3 -11.5 -16.7 0.5 145 18.0 -4.8 -0.08, 0.43 0.44 0.00 3699172

2026-03-15 05:00:11 11 -3.1 -11.9 -15.7 0.7 202 19.0 -5.0 -0.08, 0.45 0.45 0.86 3699173

2026-03-15 05:03:11 12 -3.6 -13.5 -16.5 0.7 219 19.7 -5.3 -0.09, 0.46 0.47 0.00 3699174

2026-03-15 05:06:11 13 -3.8 -15.6 -17.7 0.7 206 17.8 -4.4 -0.07, 0.43 0.43 0.00 3699179

2026-03-15 05:09:11 14 -4.0 -16.9 -18.7 0.7 209 18.0 -4.5 -0.08, 0.43 0.44 0.00 3699180

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
2026-03-15 04:30:11	1	0.0	0.0	0.0	0.0	0			,		0.00	3699153
2026-03-15 04:33:11	2	0.0	0.0	0.0	0.0	0			,		0.00	3699154
2026-03-15 04:36:11	3	0.0	0.0	0.0	0.0	0			,		0.00	3699157
2026-03-15 04:39:11	4	0.0	0.0	0.0	0.0	0			,		0.00	3699158
2026-03-15 04:42:11	5	0.0	0.0	0.0	0.0	0			,		1.70	3699163
2026-03-15 04:45:11	6	0.0	0.0	0.0	0.0	0			,		2.81	3699164
2026-03-15 04:48:11	7	-0.4	-3.1	-15.3	0.1	26	9.9	-3.9	-0.07, 0.30	0.30	0.00	3699165
2026-03-15 04:51:11	8	-0.3	-2.9	-14.7	0.1	20	9.9	-3.9	-0.07, 0.30	0.30	0.00	3699166
2026-03-15 04:54:11	9	-0.8	-4.6	-14.3	0.2	60	10.7	-2.9	-0.05, 0.31	0.31	0.00	3699171
2026-03-15 04:57:11	10	-2.3	-11.5	-16.7	0.5	145	18.0	-4.8	-0.08, 0.43	0.44	0.00	3699172
2026-03-15 05:00:11	11	-3.1	-11.9	-15.7	0.7	202	19.0	-5.0	-0.08, 0.45	0.45	0.86	3699173
2026-03-15 05:03:11	12	-3.6	-13.5	-16.5	0.7	219	19.7	-5.3	-0.09, 0.46	0.47	0.00	3699174
2026-03-15 05:06:11	13	-3.8	-15.6	-17.7	0.7	206	17.8	-4.4	-0.07, 0.43	0.43	0.00	3699179
2026-03-15 05:09:11	14	-4.0	-16.9	-18.7	0.7	209	18.0	-4.5	-0.08, 0.43	0.44	0.00	3699180