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 13771
Detector 24h operating status: Last processed image: 0 hours and 19 minutes ago (2025-09-08 00:51 UTC) Last detected dimming: 0 hours and 18 minutes ago (2025-09-08 00:51 UTC) Overview for dimming #: 13771 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 #: 13771
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2025-09-02 13:45:11 1 0.0 0.0 0.0 0.0 0 , 0.00 3517774

2025-09-02 13:48:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3517775

2025-09-02 13:51:11 3 0.0 0.0 0.0 0.0 0 , 0.00 3517777

2025-09-02 13:54:11 4 -0.1 -0.5 -8.8 0.0 7 , 0.00 3517778

2025-09-02 13:57:11 5 -1.0 -7.2 -13.3 0.2 62 , 0.00 3517779

2025-09-02 14:00:11 6 -2.2 -8.7 -12.0 0.6 154 , 1.85 3517780

2025-09-02 14:03:11 7 -3.7 -12.5 -10.0 1.2 308 26.3 -27.0 -0.41, 0.34 0.54 0.00 3517786

2025-09-02 14:06:11 8 -3.7 -14.4 -10.0 1.3 331 26.1 -29.7 -0.45, 0.34 0.57 0.00 3517787

2025-09-02 14:09:11 9 -4.0 -13.9 -10.3 1.3 351 26.1 -29.8 -0.45, 0.34 0.57 0.00 3517788

2025-09-02 14:12:11 10 -5.8 -15.6 -10.1 2.0 511 26.3 -29.7 -0.45, 0.35 0.57 0.00 3517791

2025-09-02 14:15:11 11 -8.3 -15.6 -10.6 3.0 713 27.4 -30.2 -0.45, 0.37 0.58 0.00 3517794

2025-09-02 14:18:11 12 -9.9 -15.1 -10.3 3.4 810 27.9 -30.1 -0.45, 0.37 0.58 0.00 3517795

2025-09-02 14:21:11 13 -11.6 -16.0 -10.3 3.9 932 28.1 -30.3 -0.45, 0.38 0.59 0.00 3517796

2025-09-02 14:24:11 14 -11.7 -16.3 -10.7 3.5 867 28.7 -30.4 -0.45, 0.39 0.59 0.00 3517799

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
2025-09-02 13:45:11	1	0.0	0.0	0.0	0.0	0			,		0.00	3517774
2025-09-02 13:48:11	2	0.0	0.0	0.0	0.0	0			,		0.00	3517775
2025-09-02 13:51:11	3	0.0	0.0	0.0	0.0	0			,		0.00	3517777
2025-09-02 13:54:11	4	-0.1	-0.5	-8.8	0.0	7			,		0.00	3517778
2025-09-02 13:57:11	5	-1.0	-7.2	-13.3	0.2	62			,		0.00	3517779
2025-09-02 14:00:11	6	-2.2	-8.7	-12.0	0.6	154			,		1.85	3517780
2025-09-02 14:03:11	7	-3.7	-12.5	-10.0	1.2	308	26.3	-27.0	-0.41, 0.34	0.54	0.00	3517786
2025-09-02 14:06:11	8	-3.7	-14.4	-10.0	1.3	331	26.1	-29.7	-0.45, 0.34	0.57	0.00	3517787
2025-09-02 14:09:11	9	-4.0	-13.9	-10.3	1.3	351	26.1	-29.8	-0.45, 0.34	0.57	0.00	3517788
2025-09-02 14:12:11	10	-5.8	-15.6	-10.1	2.0	511	26.3	-29.7	-0.45, 0.35	0.57	0.00	3517791
2025-09-02 14:15:11	11	-8.3	-15.6	-10.6	3.0	713	27.4	-30.2	-0.45, 0.37	0.58	0.00	3517794
2025-09-02 14:18:11	12	-9.9	-15.1	-10.3	3.4	810	27.9	-30.1	-0.45, 0.37	0.58	0.00	3517795
2025-09-02 14:21:11	13	-11.6	-16.0	-10.3	3.9	932	28.1	-30.3	-0.45, 0.38	0.59	0.00	3517796
2025-09-02 14:24:11	14	-11.7	-16.3	-10.7	3.5	867	28.7	-30.4	-0.45, 0.39	0.59	0.00	3517799