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 13957
Detector 24h operating status: Last processed image: 0 hours and 21 minutes ago (2025-10-01 20:51 UTC) Last detected dimming: 8 hours and 18 minutes ago (2025-10-01 12:54 UTC) Overview for dimming #: 13957 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 #: 13957
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2025-09-26 00:24:11 1 0.0 0.0 0.0 0.0 0 , 0.00 3540237

2025-09-26 00:27:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3540238

2025-09-26 00:30:11 3 0.0 0.0 0.0 0.0 0 , 0.00 3540243

2025-09-26 00:33:11 4 -1.4 -7.3 -8.9 0.5 143 5.4 20.6 0.35, -0.02 0.35 0.00 3540244

2025-09-26 00:36:11 5 -2.3 -10.3 -9.5 0.8 233 5.3 20.7 0.36, -0.02 0.36 0.00 3540245

2025-09-26 00:39:11 6 -3.4 -10.6 -9.4 1.1 333 5.4 20.6 0.35, -0.02 0.35 1.43 3540246

2025-09-26 00:42:11 7 -5.1 -12.0 -9.8 1.6 464 7.2 26.2 0.44, 0.02 0.44 0.97 3540251

2025-09-26 00:45:11 8 -6.2 -12.5 -10.1 1.8 546 8.1 26.7 0.45, 0.03 0.45 0.96 3540252

2025-09-26 00:48:11 9 -9.1 -13.4 -10.8 2.6 766 9.0 27.4 0.46, 0.05 0.46 0.00 3540253

2025-09-26 00:51:11 10 -12.1 -15.2 -11.3 3.3 968 8.3 29.0 0.49, 0.04 0.49 0.00 3540254

2025-09-26 00:54:11 11 -12.0 -16.1 -11.7 3.2 917 7.6 29.2 0.49, 0.03 0.49 0.00 3540257

2025-09-26 00:57:11 12 -13.3 -17.0 -11.5 3.5 1021 6.6 27.9 0.47, 0.01 0.47 0.00 3540258

2025-09-26 01:00:11 13 -14.1 -16.2 -11.7 3.7 1078 7.3 28.5 0.48, 0.02 0.48 0.00 3540261

2025-09-26 01:03:11 14 -14.7 -18.7 -12.0 3.8 1096 6.9 27.3 0.46, 0.01 0.46 0.00 3540262

2025-09-26 01:06:11 15 -15.7 -20.7 -12.4 4.0 1152 5.8 25.4 0.43, -0.01 0.43 0.00 3540265

2025-09-26 01:09:11 16 -14.4 -21.8 -12.6 3.5 1038 4.8 24.7 0.42, -0.03 0.42 0.00 3540266

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
2025-09-26 00:24:11	1	0.0	0.0	0.0	0.0	0			,		0.00	3540237
2025-09-26 00:27:11	2	0.0	0.0	0.0	0.0	0			,		0.00	3540238
2025-09-26 00:30:11	3	0.0	0.0	0.0	0.0	0			,		0.00	3540243
2025-09-26 00:33:11	4	-1.4	-7.3	-8.9	0.5	143	5.4	20.6	0.35, -0.02	0.35	0.00	3540244
2025-09-26 00:36:11	5	-2.3	-10.3	-9.5	0.8	233	5.3	20.7	0.36, -0.02	0.36	0.00	3540245
2025-09-26 00:39:11	6	-3.4	-10.6	-9.4	1.1	333	5.4	20.6	0.35, -0.02	0.35	1.43	3540246
2025-09-26 00:42:11	7	-5.1	-12.0	-9.8	1.6	464	7.2	26.2	0.44, 0.02	0.44	0.97	3540251
2025-09-26 00:45:11	8	-6.2	-12.5	-10.1	1.8	546	8.1	26.7	0.45, 0.03	0.45	0.96	3540252
2025-09-26 00:48:11	9	-9.1	-13.4	-10.8	2.6	766	9.0	27.4	0.46, 0.05	0.46	0.00	3540253
2025-09-26 00:51:11	10	-12.1	-15.2	-11.3	3.3	968	8.3	29.0	0.49, 0.04	0.49	0.00	3540254
2025-09-26 00:54:11	11	-12.0	-16.1	-11.7	3.2	917	7.6	29.2	0.49, 0.03	0.49	0.00	3540257
2025-09-26 00:57:11	12	-13.3	-17.0	-11.5	3.5	1021	6.6	27.9	0.47, 0.01	0.47	0.00	3540258
2025-09-26 01:00:11	13	-14.1	-16.2	-11.7	3.7	1078	7.3	28.5	0.48, 0.02	0.48	0.00	3540261
2025-09-26 01:03:11	14	-14.7	-18.7	-12.0	3.8	1096	6.9	27.3	0.46, 0.01	0.46	0.00	3540262
2025-09-26 01:06:11	15	-15.7	-20.7	-12.4	4.0	1152	5.8	25.4	0.43, -0.01	0.43	0.00	3540265
2025-09-26 01:09:11	16	-14.4	-21.8	-12.6	3.5	1038	4.8	24.7	0.42, -0.03	0.42	0.00	3540266