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 13471
Detector 24h operating status: Last processed image: 0 hours and 21 minutes ago (2025-08-08 23:48 UTC) Last detected dimming: 1 hours and 2 minutes ago (2025-08-08 23:06 UTC) Overview for dimming #: 13471 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 #: 13471
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2025-07-31 18:39:11 1 0.0 0.0 0.0 0.0 0 , 0.00 3487201

2025-07-31 18:42:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3487202

2025-07-31 18:45:11 3 0.0 0.0 0.0 0.0 0 , 0.00 3487205

2025-07-31 18:48:11 4 0.0 0.0 0.0 0.0 0 , 0.00 3487206

2025-07-31 18:51:11 5 0.0 0.0 0.0 0.0 0 , 0.00 3487209

2025-07-31 18:54:23 6 -0.2 -1.9 -30.1 0.0 7 -22.5 57.1 0.78, -0.44 0.90 2.95 3487210

2025-07-31 18:57:11 7 -1.0 -5.7 -20.5 0.3 39 -23.0 57.8 0.79, -0.44 0.90 0.84 3487213

2025-07-31 19:00:11 8 -3.7 -31.5 -34.1 0.8 101 -23.4 58.0 0.79, -0.45 0.91 0.00 3487214

2025-07-31 19:03:11 9 -5.4 -43.4 -38.6 1.0 132 -23.3 57.9 0.79, -0.45 0.90 1.28 3487217

2025-07-31 19:06:11 10 -6.4 -48.4 -35.2 1.1 160 , 0.00 3487218

2025-07-31 19:09:11 11 -7.0 -52.4 -34.6 1.2 167 , 0.00 3487221

2025-07-31 19:12:11 12 -6.6 -52.9 -39.1 1.1 150 , 0.00 3487222

2025-07-31 19:15:11 13 -6.3 -51.6 -40.0 1.1 141 , 0.00 3487225

2025-07-31 19:18:11 14 -7.0 -54.0 -22.7 1.3 207 -15.1 -19.3 -0.32, -0.35 0.48 1.15 3487226

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
2025-07-31 18:39:11	1	0.0	0.0	0.0	0.0	0			,		0.00	3487201
2025-07-31 18:42:11	2	0.0	0.0	0.0	0.0	0			,		0.00	3487202
2025-07-31 18:45:11	3	0.0	0.0	0.0	0.0	0			,		0.00	3487205
2025-07-31 18:48:11	4	0.0	0.0	0.0	0.0	0			,		0.00	3487206
2025-07-31 18:51:11	5	0.0	0.0	0.0	0.0	0			,		0.00	3487209
2025-07-31 18:54:23	6	-0.2	-1.9	-30.1	0.0	7	-22.5	57.1	0.78, -0.44	0.90	2.95	3487210
2025-07-31 18:57:11	7	-1.0	-5.7	-20.5	0.3	39	-23.0	57.8	0.79, -0.44	0.90	0.84	3487213
2025-07-31 19:00:11	8	-3.7	-31.5	-34.1	0.8	101	-23.4	58.0	0.79, -0.45	0.91	0.00	3487214
2025-07-31 19:03:11	9	-5.4	-43.4	-38.6	1.0	132	-23.3	57.9	0.79, -0.45	0.90	1.28	3487217
2025-07-31 19:06:11	10	-6.4	-48.4	-35.2	1.1	160			,		0.00	3487218
2025-07-31 19:09:11	11	-7.0	-52.4	-34.6	1.2	167			,		0.00	3487221
2025-07-31 19:12:11	12	-6.6	-52.9	-39.1	1.1	150			,		0.00	3487222
2025-07-31 19:15:11	13	-6.3	-51.6	-40.0	1.1	141			,		0.00	3487225
2025-07-31 19:18:11	14	-7.0	-54.0	-22.7	1.3	207	-15.1	-19.3	-0.32, -0.35	0.48	1.15	3487226