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 15254
Detector 24h operating status: Last processed image: 0 hours and 21 minutes ago (2026-03-21 23:21 UTC) Last detected dimming: 7 hours and 5 minutes ago (2026-03-21 16:36 UTC) Overview for dimming #: 15254 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 #: 15254
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2026-03-18 04:03:11 1 0.0 0.0 0.0 0.0 0 , 0.00 3701999

2026-03-18 04:06:11 2 -0.3 -3.1 -17.8 0.0 16 , 0.00 3702000

2026-03-18 04:09:11 3 -1.1 -12.3 -19.5 0.0 55 -1.05, 0.35 1.11 0.00 3702001

2026-03-18 04:12:11 4 -3.7 -19.8 -13.5 0.0 215 -1.05, 0.35 1.11 0.95 3702005

2026-03-18 04:15:11 5 -10.8 -32.3 -14.6 0.0 590 -1.05, 0.35 1.11 1.13 3702006

2026-03-18 04:18:11 6 -16.3 -39.0 -15.1 0.0 882 -1.05, 0.35 1.11 1.30 3702007

2026-03-18 04:21:11 7 -20.0 -41.2 -14.5 0.0 1081 -1.05, 0.36 1.11 0.94 3702008

2026-03-18 04:24:11 8 -22.5 -44.3 -14.0 0.0 1224 -1.05, 0.36 1.11 0.00 3702009

2026-03-18 04:27:11 9 -23.6 -42.9 -13.4 0.0 1363 -1.05, 0.36 1.11 0.00 3702014

2026-03-18 04:30:11 10 -25.8 -43.7 -13.5 0.0 1525 -1.05, 0.36 1.11 0.00 3702015

2026-03-18 04:33:11 11 -28.1 -43.5 -13.4 0.0 1695 -1.05, 0.36 1.11 0.00 3702016

2026-03-18 04:36:11 12 -30.1 -43.9 -13.6 0.0 1776 -1.05, 0.36 1.11 0.00 3702017

2026-03-18 04:39:11 13 -31.5 -43.0 -13.5 0.0 1856 -1.05, 0.36 1.11 0.00 3702022

2026-03-18 04:42:11 14 -33.4 -43.7 -13.2 0.0 2010 -1.05, 0.36 1.11 0.00 3702023

2026-03-18 04:45:11 15 -34.1 -43.4 -13.0 0.0 2053 -1.05, 0.36 1.11 0.00 3702028

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	size	x,y in R☉	dist. R☉	detection	Img ID
2026-03-18 04:03:11	1	0.0	0.0	0.0	0	,		0.00	3701999
2026-03-18 04:06:11	2	-0.3	-3.1	-17.8	16	,		0.00	3702000
2026-03-18 04:09:11	3	-1.1	-12.3	-19.5	55	-1.05, 0.35	1.11	0.00	3702001
2026-03-18 04:12:11	4	-3.7	-19.8	-13.5	215	-1.05, 0.35	1.11	0.95	3702005
2026-03-18 04:15:11	5	-10.8	-32.3	-14.6	590	-1.05, 0.35	1.11	1.13	3702006
2026-03-18 04:18:11	6	-16.3	-39.0	-15.1	882	-1.05, 0.35	1.11	1.30	3702007
2026-03-18 04:21:11	7	-20.0	-41.2	-14.5	1081	-1.05, 0.36	1.11	0.94	3702008
2026-03-18 04:24:11	8	-22.5	-44.3	-14.0	1224	-1.05, 0.36	1.11	0.00	3702009
2026-03-18 04:27:11	9	-23.6	-42.9	-13.4	1363	-1.05, 0.36	1.11	0.00	3702014
2026-03-18 04:30:11	10	-25.8	-43.7	-13.5	1525	-1.05, 0.36	1.11	0.00	3702015
2026-03-18 04:33:11	11	-28.1	-43.5	-13.4	1695	-1.05, 0.36	1.11	0.00	3702016
2026-03-18 04:36:11	12	-30.1	-43.9	-13.6	1776	-1.05, 0.36	1.11	0.00	3702017
2026-03-18 04:39:11	13	-31.5	-43.0	-13.5	1856	-1.05, 0.36	1.11	0.00	3702022
2026-03-18 04:42:11	14	-33.4	-43.7	-13.2	2010	-1.05, 0.36	1.11	0.00	3702023
2026-03-18 04:45:11	15	-34.1	-43.4	-13.0	2053	-1.05, 0.36	1.11	0.00	3702028