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 15302
Detector 24h operating status: Last processed image: 0 hours and 21 minutes ago (2026-03-30 07:51 UTC) Last detected dimming: 0 hours and 27 minutes ago (2026-03-30 07:45 UTC) Overview for dimming #: 15302 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 #: 15302
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2026-03-28 14:42:11 1 0.0 0.0 0.0 0.0 0 , 0.95 3711902

2026-03-28 14:45:11 2 0.0 0.0 0.0 0.0 0 , 1.76 3711905

2026-03-28 14:48:11 3 0.0 0.0 0.0 0.0 0 , 0.00 3711906

2026-03-28 14:51:11 4 -0.7 -5.6 -23.9 0.3 29 , 0.95 3711911

2026-03-28 14:54:11 5 -3.5 -15.4 -16.1 2.7 191 -32.6 -83.2 -0.84, -0.53 1.00 2.00 3711912

2026-03-28 14:57:11 6 -6.3 -20.2 -17.0 4.5 311 -0.86, -0.52 1.01 1.49 3711913

2026-03-28 15:00:11 7 -7.6 -23.7 -19.8 5.0 333 -0.85, -0.53 1.00 0.00 3711914

2026-03-28 15:03:11 8 -9.9 -24.1 -20.6 6.1 392 -0.87, -0.52 1.01 0.00 3711917

2026-03-28 15:06:11 9 -13.4 -24.6 -23.0 7.1 490 -0.87, -0.52 1.01 0.00 3711918

2026-03-28 15:09:11 10 -16.0 -29.3 -24.3 8.0 550 -0.87, -0.51 1.01 0.94 3711920

2026-03-28 15:12:11 11 -17.7 -29.4 -25.0 8.6 594 -0.87, -0.51 1.01 0.00 3711921

2026-03-28 15:15:11 12 -19.2 -31.2 -26.3 9.1 621 -0.87, -0.51 1.01 0.00 3711925

2026-03-28 15:18:11 13 -21.1 -34.9 -27.5 9.6 648 -0.87, -0.51 1.01 0.00 3711926

2026-03-28 15:21:11 14 -23.6 -42.0 -27.7 9.9 692 -0.87, -0.51 1.01 0.00 3711927

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
2026-03-28 14:42:11	1	0.0	0.0	0.0	0.0	0			,		0.95	3711902
2026-03-28 14:45:11	2	0.0	0.0	0.0	0.0	0			,		1.76	3711905
2026-03-28 14:48:11	3	0.0	0.0	0.0	0.0	0			,		0.00	3711906
2026-03-28 14:51:11	4	-0.7	-5.6	-23.9	0.3	29			,		0.95	3711911
2026-03-28 14:54:11	5	-3.5	-15.4	-16.1	2.7	191	-32.6	-83.2	-0.84, -0.53	1.00	2.00	3711912
2026-03-28 14:57:11	6	-6.3	-20.2	-17.0	4.5	311			-0.86, -0.52	1.01	1.49	3711913
2026-03-28 15:00:11	7	-7.6	-23.7	-19.8	5.0	333			-0.85, -0.53	1.00	0.00	3711914
2026-03-28 15:03:11	8	-9.9	-24.1	-20.6	6.1	392			-0.87, -0.52	1.01	0.00	3711917
2026-03-28 15:06:11	9	-13.4	-24.6	-23.0	7.1	490			-0.87, -0.52	1.01	0.00	3711918
2026-03-28 15:09:11	10	-16.0	-29.3	-24.3	8.0	550			-0.87, -0.51	1.01	0.94	3711920
2026-03-28 15:12:11	11	-17.7	-29.4	-25.0	8.6	594			-0.87, -0.51	1.01	0.00	3711921
2026-03-28 15:15:11	12	-19.2	-31.2	-26.3	9.1	621			-0.87, -0.51	1.01	0.00	3711925
2026-03-28 15:18:11	13	-21.1	-34.9	-27.5	9.6	648			-0.87, -0.51	1.01	0.00	3711926
2026-03-28 15:21:11	14	-23.6	-42.0	-27.7	9.9	692			-0.87, -0.51	1.01	0.00	3711927