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 13655
Detector 24h operating status: Last processed image: 0 hours and 19 minutes ago (2025-08-25 15:00 UTC) Last detected dimming: 0 hours and 58 minutes ago (2025-08-25 14:21 UTC) Overview for dimming #: 13655 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 #: 13655
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2025-08-19 19:24:11 1 0.0 0.0 0.0 0.0 0 , 0.00 3505250

2025-08-19 19:27:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3505253

2025-08-19 19:30:11 3 0.0 0.0 0.0 0.0 0 , 0.00 3505254

2025-08-19 19:33:11 4 0.0 0.0 0.0 0.0 0 , 0.00 3505257

2025-08-19 19:36:11 5 0.0 0.0 0.0 0.0 0 , 0.00 3505258

2025-08-19 19:39:11 6 0.0 0.0 0.0 0.0 0 , 2.83 3505261

2025-08-19 19:42:11 7 0.0 0.0 0.0 0.0 0 , 0.00 3505262

2025-08-19 19:45:11 8 -0.3 -3.1 -7.6 0.0 33 , 0.00 3505266

2025-08-19 19:48:11 9 -1.2 -7.3 -8.3 0.0 139 -1.16, -0.03 1.16 0.00 3505267

2025-08-19 19:51:11 10 -2.0 -8.5 -8.9 0.0 229 -1.16, -0.03 1.16 0.00 3505269

2025-08-19 19:54:11 11 -2.6 -9.6 -8.9 0.0 285 -1.16, -0.01 1.16 0.00 3505270

2025-08-19 19:57:11 12 -2.8 -9.3 -8.7 0.0 308 -1.17, -0.02 1.17 0.00 3505273

2025-08-19 20:00:11 13 -3.7 -10.8 -9.5 0.0 384 -1.17, -0.02 1.17 0.00 3505274

2025-08-19 20:03:11 14 -4.7 -11.5 -10.1 0.0 460 -1.16, -0.02 1.16 0.00 3505277

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
2025-08-19 19:24:11	1	0.0	0.0	0.0	0	,		0.00	3505250
2025-08-19 19:27:11	2	0.0	0.0	0.0	0	,		0.00	3505253
2025-08-19 19:30:11	3	0.0	0.0	0.0	0	,		0.00	3505254
2025-08-19 19:33:11	4	0.0	0.0	0.0	0	,		0.00	3505257
2025-08-19 19:36:11	5	0.0	0.0	0.0	0	,		0.00	3505258
2025-08-19 19:39:11	6	0.0	0.0	0.0	0	,		2.83	3505261
2025-08-19 19:42:11	7	0.0	0.0	0.0	0	,		0.00	3505262
2025-08-19 19:45:11	8	-0.3	-3.1	-7.6	33	,		0.00	3505266
2025-08-19 19:48:11	9	-1.2	-7.3	-8.3	139	-1.16, -0.03	1.16	0.00	3505267
2025-08-19 19:51:11	10	-2.0	-8.5	-8.9	229	-1.16, -0.03	1.16	0.00	3505269
2025-08-19 19:54:11	11	-2.6	-9.6	-8.9	285	-1.16, -0.01	1.16	0.00	3505270
2025-08-19 19:57:11	12	-2.8	-9.3	-8.7	308	-1.17, -0.02	1.17	0.00	3505273
2025-08-19 20:00:11	13	-3.7	-10.8	-9.5	384	-1.17, -0.02	1.17	0.00	3505274
2025-08-19 20:03:11	14	-4.7	-11.5	-10.1	460	-1.16, -0.02	1.16	0.00	3505277