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 13755
Detector 24h operating status: Last processed image: 0 hours and 20 minutes ago (2025-09-08 00:51 UTC) Last detected dimming: 0 hours and 19 minutes ago (2025-09-08 00:51 UTC) Overview for dimming #: 13755 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 #: 13755
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2025-08-31 22:24:11 1 0.0 0.0 0.0 0.0 0 , 0.00 3516205

2025-08-31 22:27:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3516206

2025-08-31 22:30:11 3 0.0 0.0 0.0 0.0 0 , 0.00 3516209

2025-08-31 22:33:11 4 0.0 0.0 0.0 0.0 0 , 0.00 3516210

2025-08-31 22:36:11 5 -0.3 -3.0 -19.8 0.1 15 , 0.00 3516213

2025-08-31 22:39:11 6 -0.7 -4.9 -13.1 0.3 50 , 1.34 3516214

2025-08-31 22:42:11 7 -1.0 -10.5 -12.4 0.4 69 , 0.00 3516217

2025-08-31 22:45:11 8 -1.4 -9.1 -11.2 0.6 111 , 0.00 3516218

2025-08-31 22:48:11 9 -1.8 -10.8 -13.4 0.7 126 , 0.00 3516221

2025-08-31 22:51:11 10 -3.2 -11.3 -14.7 1.1 195 25.8 -52.5 -0.72, 0.37 0.81 0.00 3516222

2025-08-31 22:54:11 11 -4.5 -15.1 -14.7 1.5 264 24.9 -57.1 -0.77, 0.36 0.85 0.00 3516225

2025-08-31 22:57:11 12 -4.8 -15.3 -14.9 1.6 283 24.6 -56.8 -0.77, 0.35 0.85 0.00 3516226

2025-08-31 23:00:11 13 -5.8 -17.1 -11.5 2.4 406 24.5 -57.7 -0.78, 0.35 0.86 0.00 3516229

2025-08-31 23:03:11 14 -6.8 -18.6 -13.2 2.6 450 24.7 -57.3 -0.77, 0.36 0.85 0.00 3516230

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
2025-08-31 22:24:11	1	0.0	0.0	0.0	0.0	0			,		0.00	3516205
2025-08-31 22:27:11	2	0.0	0.0	0.0	0.0	0			,		0.00	3516206
2025-08-31 22:30:11	3	0.0	0.0	0.0	0.0	0			,		0.00	3516209
2025-08-31 22:33:11	4	0.0	0.0	0.0	0.0	0			,		0.00	3516210
2025-08-31 22:36:11	5	-0.3	-3.0	-19.8	0.1	15			,		0.00	3516213
2025-08-31 22:39:11	6	-0.7	-4.9	-13.1	0.3	50			,		1.34	3516214
2025-08-31 22:42:11	7	-1.0	-10.5	-12.4	0.4	69			,		0.00	3516217
2025-08-31 22:45:11	8	-1.4	-9.1	-11.2	0.6	111			,		0.00	3516218
2025-08-31 22:48:11	9	-1.8	-10.8	-13.4	0.7	126			,		0.00	3516221
2025-08-31 22:51:11	10	-3.2	-11.3	-14.7	1.1	195	25.8	-52.5	-0.72, 0.37	0.81	0.00	3516222
2025-08-31 22:54:11	11	-4.5	-15.1	-14.7	1.5	264	24.9	-57.1	-0.77, 0.36	0.85	0.00	3516225
2025-08-31 22:57:11	12	-4.8	-15.3	-14.9	1.6	283	24.6	-56.8	-0.77, 0.35	0.85	0.00	3516226
2025-08-31 23:00:11	13	-5.8	-17.1	-11.5	2.4	406	24.5	-57.7	-0.78, 0.35	0.86	0.00	3516229
2025-08-31 23:03:11	14	-6.8	-18.6	-13.2	2.6	450	24.7	-57.3	-0.77, 0.36	0.85	0.00	3516230