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 15204
Detector 24h operating status: Last processed image: 0 hours and 23 minutes ago (2026-04-16 13:33 UTC) Last detected dimming: 7 hours and 35 minutes ago (2026-04-16 06:21 UTC) Overview for dimming #: 15204 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 #: 15204
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2026-03-04 18:21:11 1 0.0 0.0 0.0 0.0 0 , 0.00 3690176

2026-03-04 18:24:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3690177

2026-03-04 18:27:11 3 0.0 0.0 0.0 0.0 0 , 0.00 3690178

2026-03-04 18:30:11 4 0.0 0.0 0.0 0.0 0 , 0.83 3690179

2026-03-04 18:33:11 5 0.0 0.0 0.0 0.0 0 , 1.47 3690182

2026-03-04 18:36:11 6 0.0 0.0 0.0 0.0 0 , 1.81 3690183

2026-03-04 18:39:11 7 0.0 0.0 0.0 0.0 0 , 1.27 3690188

2026-03-04 18:42:11 8 0.0 0.0 0.0 0.0 0 , 1.04 3690189

2026-03-04 18:45:11 9 0.0 0.0 0.0 0.0 0 , 0.86 3690190

2026-03-04 18:48:11 10 0.0 0.0 0.0 0.0 0 , 0.00 3690191

2026-03-04 18:51:11 11 0.0 0.0 0.0 0.0 0 , 0.00 3690195

2026-03-04 18:54:11 12 -0.1 0.0 -15.1 0.0 4 5.6 11.3 0.20, 0.22 0.30 0.00 3690196

2026-03-04 18:57:11 13 -0.2 0.0 -15.7 0.0 13 5.4 10.7 0.19, 0.22 0.29 0.00 3690197

2026-03-04 19:00:11 14 -0.5 -4.0 -15.4 0.1 33 5.6 11.4 0.20, 0.22 0.30 0.00 3690198

2026-03-04 19:03:11 15 -0.4 -2.8 -15.3 0.1 28 5.6 11.1 0.20, 0.22 0.30 0.00 3690202

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
2026-03-04 18:21:11	1	0.0	0.0	0.0	0.0	0			,		0.00	3690176
2026-03-04 18:24:11	2	0.0	0.0	0.0	0.0	0			,		0.00	3690177
2026-03-04 18:27:11	3	0.0	0.0	0.0	0.0	0			,		0.00	3690178
2026-03-04 18:30:11	4	0.0	0.0	0.0	0.0	0			,		0.83	3690179
2026-03-04 18:33:11	5	0.0	0.0	0.0	0.0	0			,		1.47	3690182
2026-03-04 18:36:11	6	0.0	0.0	0.0	0.0	0			,		1.81	3690183
2026-03-04 18:39:11	7	0.0	0.0	0.0	0.0	0			,		1.27	3690188
2026-03-04 18:42:11	8	0.0	0.0	0.0	0.0	0			,		1.04	3690189
2026-03-04 18:45:11	9	0.0	0.0	0.0	0.0	0			,		0.86	3690190
2026-03-04 18:48:11	10	0.0	0.0	0.0	0.0	0			,		0.00	3690191
2026-03-04 18:51:11	11	0.0	0.0	0.0	0.0	0			,		0.00	3690195
2026-03-04 18:54:11	12	-0.1	0.0	-15.1	0.0	4	5.6	11.3	0.20, 0.22	0.30	0.00	3690196
2026-03-04 18:57:11	13	-0.2	0.0	-15.7	0.0	13	5.4	10.7	0.19, 0.22	0.29	0.00	3690197
2026-03-04 19:00:11	14	-0.5	-4.0	-15.4	0.1	33	5.6	11.4	0.20, 0.22	0.30	0.00	3690198
2026-03-04 19:03:11	15	-0.4	-2.8	-15.3	0.1	28	5.6	11.1	0.20, 0.22	0.30	0.00	3690202