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 15428
Detector 24h operating status: Last processed image: 0 hours and 21 minutes ago (2026-04-19 01:36 UTC) Last detected dimming: 4 hours and 51 minutes ago (2026-04-18 21:06 UTC) Overview for dimming #: 15428 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 #: 15428
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2026-04-12 19:33:11 1 0.0 0.0 0.0 0.0 0 , 0.00 3730994

2026-04-12 19:36:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3730995

2026-04-12 19:39:11 3 0.0 0.0 0.0 0.0 0 , 0.00 3730997

2026-04-12 19:42:11 4 -3.6 -11.3 -11.7 0.9 262 , 0.00 3730998

2026-04-12 19:45:11 5 -13.6 -15.2 -13.0 3.6 977 19.5 -2.6 -0.04, 0.43 0.44 0.98 3731001

2026-04-12 19:48:11 6 -18.7 -16.6 -13.0 4.6 1256 20.4 -4.0 -0.07, 0.45 0.45 1.44 3731002

2026-04-12 19:51:11 7 -26.1 -21.6 -13.1 6.1 1672 21.4 -4.6 -0.07, 0.46 0.47 0.00 3731005

2026-04-12 19:54:11 8 -34.6 -26.6 -13.6 7.7 2082 21.3 -4.4 -0.07, 0.46 0.47 0.00 3731006

2026-04-12 19:57:11 9 -42.0 -31.6 -14.0 8.9 2390 21.4 -4.8 -0.08, 0.46 0.47 1.10 3731009

2026-04-12 20:00:11 10 -52.9 -42.3 -14.1 10.9 2901 21.5 -4.6 -0.08, 0.46 0.47 0.00 3731010

2026-04-12 20:03:11 11 -62.2 -50.1 -14.1 12.1 3211 21.4 -4.5 -0.07, 0.46 0.47 0.00 3731013

2026-04-12 20:06:11 12 -70.2 -54.0 -14.2 13.3 3519 21.1 -4.2 -0.07, 0.46 0.46 0.00 3731014

2026-04-12 20:09:11 13 -78.9 -57.0 -14.6 14.3 3791 21.1 -4.3 -0.07, 0.46 0.46 0.00 3731018

2026-04-12 20:12:11 14 -86.8 -58.0 -14.5 15.9 4189 21.0 -4.4 -0.07, 0.46 0.46 0.00 3731019

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
2026-04-12 19:33:11	1	0.0	0.0	0.0	0.0	0			,		0.00	3730994
2026-04-12 19:36:11	2	0.0	0.0	0.0	0.0	0			,		0.00	3730995
2026-04-12 19:39:11	3	0.0	0.0	0.0	0.0	0			,		0.00	3730997
2026-04-12 19:42:11	4	-3.6	-11.3	-11.7	0.9	262			,		0.00	3730998
2026-04-12 19:45:11	5	-13.6	-15.2	-13.0	3.6	977	19.5	-2.6	-0.04, 0.43	0.44	0.98	3731001
2026-04-12 19:48:11	6	-18.7	-16.6	-13.0	4.6	1256	20.4	-4.0	-0.07, 0.45	0.45	1.44	3731002
2026-04-12 19:51:11	7	-26.1	-21.6	-13.1	6.1	1672	21.4	-4.6	-0.07, 0.46	0.47	0.00	3731005
2026-04-12 19:54:11	8	-34.6	-26.6	-13.6	7.7	2082	21.3	-4.4	-0.07, 0.46	0.47	0.00	3731006
2026-04-12 19:57:11	9	-42.0	-31.6	-14.0	8.9	2390	21.4	-4.8	-0.08, 0.46	0.47	1.10	3731009
2026-04-12 20:00:11	10	-52.9	-42.3	-14.1	10.9	2901	21.5	-4.6	-0.08, 0.46	0.47	0.00	3731010
2026-04-12 20:03:11	11	-62.2	-50.1	-14.1	12.1	3211	21.4	-4.5	-0.07, 0.46	0.47	0.00	3731013
2026-04-12 20:06:11	12	-70.2	-54.0	-14.2	13.3	3519	21.1	-4.2	-0.07, 0.46	0.46	0.00	3731014
2026-04-12 20:09:11	13	-78.9	-57.0	-14.6	14.3	3791	21.1	-4.3	-0.07, 0.46	0.46	0.00	3731018
2026-04-12 20:12:11	14	-86.8	-58.0	-14.5	15.9	4189	21.0	-4.4	-0.07, 0.46	0.46	0.00	3731019