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 13742
Detector 24h operating status: Last processed image: 0 hours and 24 minutes ago (2026-08-09 19:51 UTC) Last detected dimming: 36 hours and 24 minutes ago (2026-08-08 07:51 UTC) Overview for dimming #: 13742 back to overview Animations and graphs derotated original images ( non-derotated ) dimming intensity dimming mask base difference ( percentage ) running difference ( percentage )	more	more	more

Details for dimming #: 13742
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2025-08-30 16:00:11 1 0.0 0.0 0.0 0.0 0 , 0.00 3515002

2025-08-30 16:03:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3515003

2025-08-30 16:06:11 3 -0.7 -7.7 -23.3 0.1 28 , 0.00 3515006

2025-08-30 16:09:11 4 -2.0 -18.1 -21.6 0.3 80 , 0.00 3515007

2025-08-30 16:12:11 5 -3.1 -23.5 -19.3 0.4 130 , 0.99 3515011

2025-08-30 16:15:11 6 -4.5 -31.7 -18.5 0.6 170 , 15.62 3515012

2025-08-30 16:18:11 7 -6.0 -38.3 -18.2 0.7 223 -7.3 -0.3 -0.01, -0.25 0.25 3.33 3515015

2025-08-30 16:21:11 8 -6.6 -42.2 -17.4 0.8 240 -7.4 -0.3 -0.01, -0.25 0.25 0.00 3515016

2025-08-30 16:24:11 9 -7.7 -47.6 -13.9 0.9 283 -7.4 -0.3 -0.01, -0.26 0.26 0.00 3515017

2025-08-30 16:27:11 10 -9.2 -51.6 -13.2 1.2 357 -7.5 -0.3 -0.01, -0.26 0.26 0.00 3515019

2025-08-30 16:30:11 11 -10.2 -54.3 -13.3 1.3 409 -7.5 -0.4 -0.01, -0.26 0.26 0.00 3515022

2025-08-30 16:33:11 12 -11.2 -55.2 -13.9 1.5 464 -7.5 -0.4 -0.01, -0.26 0.26 0.00 3515023

2025-08-30 16:36:11 13 -12.8 -54.2 -15.0 1.8 563 -7.6 -0.4 -0.01, -0.26 0.26 0.00 3515026

2025-08-30 16:39:11 14 -13.5 -53.3 -13.7 2.0 626 -7.6 -0.4 -0.01, -0.26 0.26 0.00 3515027

2025-08-30 16:42:11 15 -14.5 -54.3 -14.2 2.2 674 -7.6 -0.4 -0.01, -0.26 0.26 0.00 3515030

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
2025-08-30 16:00:11	1	0.0	0.0	0.0	0.0	0			,		0.00	3515002
2025-08-30 16:03:11	2	0.0	0.0	0.0	0.0	0			,		0.00	3515003
2025-08-30 16:06:11	3	-0.7	-7.7	-23.3	0.1	28			,		0.00	3515006
2025-08-30 16:09:11	4	-2.0	-18.1	-21.6	0.3	80			,		0.00	3515007
2025-08-30 16:12:11	5	-3.1	-23.5	-19.3	0.4	130			,		0.99	3515011
2025-08-30 16:15:11	6	-4.5	-31.7	-18.5	0.6	170			,		15.62	3515012
2025-08-30 16:18:11	7	-6.0	-38.3	-18.2	0.7	223	-7.3	-0.3	-0.01, -0.25	0.25	3.33	3515015
2025-08-30 16:21:11	8	-6.6	-42.2	-17.4	0.8	240	-7.4	-0.3	-0.01, -0.25	0.25	0.00	3515016
2025-08-30 16:24:11	9	-7.7	-47.6	-13.9	0.9	283	-7.4	-0.3	-0.01, -0.26	0.26	0.00	3515017
2025-08-30 16:27:11	10	-9.2	-51.6	-13.2	1.2	357	-7.5	-0.3	-0.01, -0.26	0.26	0.00	3515019
2025-08-30 16:30:11	11	-10.2	-54.3	-13.3	1.3	409	-7.5	-0.4	-0.01, -0.26	0.26	0.00	3515022
2025-08-30 16:33:11	12	-11.2	-55.2	-13.9	1.5	464	-7.5	-0.4	-0.01, -0.26	0.26	0.00	3515023
2025-08-30 16:36:11	13	-12.8	-54.2	-15.0	1.8	563	-7.6	-0.4	-0.01, -0.26	0.26	0.00	3515026
2025-08-30 16:39:11	14	-13.5	-53.3	-13.7	2.0	626	-7.6	-0.4	-0.01, -0.26	0.26	0.00	3515027
2025-08-30 16:42:11	15	-14.5	-54.3	-14.2	2.2	674	-7.6	-0.4	-0.01, -0.26	0.26	0.00	3515030