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 8507
Detector 24h operating status: Last processed image: 0 hours and 20 minutes ago (2025-12-14 01:18 UTC) Last detected dimming: 3 hours and 2 minutes ago (2025-12-13 22:36 UTC) Overview for dimming #: 8507 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 #: 8507
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2023-11-24 02:30:11 1 0.0 0.0 0.0 0.0 0 , 0.00 2958288

2023-11-24 02:33:11 2 0.0 0.0 0.0 0.0 0 , 0.00 2958289

2023-11-24 02:36:11 3 -0.7 -5.6 -7.3 0.4 99 , 0.00 2958296

2023-11-24 02:39:11 4 -4.8 -9.9 -8.0 2.3 572 -4.1 -40.5 -0.66, -0.10 0.66 1.32 2958297

2023-11-24 02:42:11 5 -9.3 -11.5 -9.3 3.7 977 -4.1 -35.3 -0.58, -0.10 0.59 0.00 2958298

2023-11-24 02:45:11 6 -15.5 -13.5 -9.9 5.7 1525 -3.8 -34.0 -0.57, -0.09 0.57 3.30 2958299

2023-11-24 02:48:11 7 -21.0 -15.7 -10.3 7.0 1898 -3.7 -35.0 -0.58, -0.09 0.59 5.07 2958300

2023-11-24 02:51:11 8 -24.4 -16.9 -10.9 7.6 2083 -3.7 -33.2 -0.55, -0.09 0.56 0.00 2958301

2023-11-24 02:54:11 9 -28.2 -18.6 -11.1 8.0 2348 -3.5 -31.7 -0.53, -0.09 0.54 0.00 2958308

2023-11-24 02:57:11 10 -33.0 -20.9 -11.1 8.7 2697 -3.7 -32.0 -0.54, -0.09 0.54 0.00 2958309

2023-11-24 03:00:11 11 -36.4 -21.9 -11.1 9.1 2921 -3.4 -31.9 -0.53, -0.09 0.54 0.00 2958310

2023-11-24 03:03:11 12 -40.0 -22.4 -11.4 9.5 3113 -3.7 -32.4 -0.54, -0.09 0.55 0.86 2958311

2023-11-24 03:06:11 13 -41.5 -23.2 -11.6 9.8 3194 -3.3 -32.1 -0.54, -0.09 0.54 1.24 2958312

2023-11-24 03:09:11 14 -41.9 -23.3 -11.8 9.8 3242 -3.2 -32.4 -0.54, -0.08 0.55 0.00 2958313

2023-11-24 03:12:11 15 -45.1 -23.8 -11.9 10.2 3372 -3.2 -33.3 -0.55, -0.08 0.56 0.00 2958314

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
2023-11-24 02:30:11	1	0.0	0.0	0.0	0.0	0			,		0.00	2958288
2023-11-24 02:33:11	2	0.0	0.0	0.0	0.0	0			,		0.00	2958289
2023-11-24 02:36:11	3	-0.7	-5.6	-7.3	0.4	99			,		0.00	2958296
2023-11-24 02:39:11	4	-4.8	-9.9	-8.0	2.3	572	-4.1	-40.5	-0.66, -0.10	0.66	1.32	2958297
2023-11-24 02:42:11	5	-9.3	-11.5	-9.3	3.7	977	-4.1	-35.3	-0.58, -0.10	0.59	0.00	2958298
2023-11-24 02:45:11	6	-15.5	-13.5	-9.9	5.7	1525	-3.8	-34.0	-0.57, -0.09	0.57	3.30	2958299
2023-11-24 02:48:11	7	-21.0	-15.7	-10.3	7.0	1898	-3.7	-35.0	-0.58, -0.09	0.59	5.07	2958300
2023-11-24 02:51:11	8	-24.4	-16.9	-10.9	7.6	2083	-3.7	-33.2	-0.55, -0.09	0.56	0.00	2958301
2023-11-24 02:54:11	9	-28.2	-18.6	-11.1	8.0	2348	-3.5	-31.7	-0.53, -0.09	0.54	0.00	2958308
2023-11-24 02:57:11	10	-33.0	-20.9	-11.1	8.7	2697	-3.7	-32.0	-0.54, -0.09	0.54	0.00	2958309
2023-11-24 03:00:11	11	-36.4	-21.9	-11.1	9.1	2921	-3.4	-31.9	-0.53, -0.09	0.54	0.00	2958310
2023-11-24 03:03:11	12	-40.0	-22.4	-11.4	9.5	3113	-3.7	-32.4	-0.54, -0.09	0.55	0.86	2958311
2023-11-24 03:06:11	13	-41.5	-23.2	-11.6	9.8	3194	-3.3	-32.1	-0.54, -0.09	0.54	1.24	2958312
2023-11-24 03:09:11	14	-41.9	-23.3	-11.8	9.8	3242	-3.2	-32.4	-0.54, -0.08	0.55	0.00	2958313
2023-11-24 03:12:11	15	-45.1	-23.8	-11.9	10.2	3372	-3.2	-33.3	-0.55, -0.08	0.56	0.00	2958314