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 15171
Detector 24h operating status: Last processed image: 0 hours and 23 minutes ago (2026-03-01 07:39 UTC) Last detected dimming: 0 hours and 34 minutes ago (2026-03-01 07:27 UTC) Overview for dimming #: 15171 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 #: 15171
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2026-02-28 20:15:11 1 0.0 0.0 0.0 0.0 0 , 0.00 3686416

2026-02-28 20:18:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3686419

2026-02-28 20:21:11 3 0.0 0.0 0.0 0.0 0 , 0.00 3686420

2026-02-28 20:24:11 4 0.0 0.0 0.0 0.0 0 , 0.00 3686421

2026-02-28 20:27:11 5 0.0 0.0 0.0 0.0 0 , 0.00 3686424

2026-02-28 20:30:11 6 -1.1 -9.9 -16.8 0.3 73 , 1.25 3686425

2026-02-28 20:33:11 7 -6.1 -18.8 -13.1 1.9 411 33.7 -22.4 -0.32, 0.65 0.73 1.47 3686430

2026-02-28 20:36:11 8 -10.1 -23.2 -12.3 3.2 705 33.8 -21.6 -0.31, 0.66 0.73 0.00 3686431

2026-02-28 20:39:11 9 -11.8 -24.9 -12.1 3.7 806 33.8 -21.8 -0.31, 0.66 0.73 0.00 3686432

2026-02-28 20:42:11 10 -12.9 -26.4 -12.3 3.9 845 34.1 -22.0 -0.31, 0.66 0.73 0.00 3686433

2026-02-28 20:45:11 11 -14.5 -27.2 -11.6 4.5 993 34.3 -22.0 -0.31, 0.66 0.73 0.00 3686436

2026-02-28 20:48:11 12 -16.8 -28.8 -10.7 5.5 1205 34.2 -21.9 -0.31, 0.66 0.73 0.00 3686439

2026-02-28 20:51:11 13 -18.5 -29.2 -11.2 6.0 1316 34.2 -21.9 -0.31, 0.66 0.73 0.00 3686440

2026-02-28 20:54:11 14 -19.4 -30.4 -11.5 6.1 1345 34.2 -21.8 -0.31, 0.66 0.73 0.00 3686441

2026-02-28 20:57:11 15 -19.9 -31.0 -12.2 6.1 1341 34.0 -21.7 -0.31, 0.66 0.73 0.00 3686443

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
2026-02-28 20:15:11	1	0.0	0.0	0.0	0.0	0			,		0.00	3686416
2026-02-28 20:18:11	2	0.0	0.0	0.0	0.0	0			,		0.00	3686419
2026-02-28 20:21:11	3	0.0	0.0	0.0	0.0	0			,		0.00	3686420
2026-02-28 20:24:11	4	0.0	0.0	0.0	0.0	0			,		0.00	3686421
2026-02-28 20:27:11	5	0.0	0.0	0.0	0.0	0			,		0.00	3686424
2026-02-28 20:30:11	6	-1.1	-9.9	-16.8	0.3	73			,		1.25	3686425
2026-02-28 20:33:11	7	-6.1	-18.8	-13.1	1.9	411	33.7	-22.4	-0.32, 0.65	0.73	1.47	3686430
2026-02-28 20:36:11	8	-10.1	-23.2	-12.3	3.2	705	33.8	-21.6	-0.31, 0.66	0.73	0.00	3686431
2026-02-28 20:39:11	9	-11.8	-24.9	-12.1	3.7	806	33.8	-21.8	-0.31, 0.66	0.73	0.00	3686432
2026-02-28 20:42:11	10	-12.9	-26.4	-12.3	3.9	845	34.1	-22.0	-0.31, 0.66	0.73	0.00	3686433
2026-02-28 20:45:11	11	-14.5	-27.2	-11.6	4.5	993	34.3	-22.0	-0.31, 0.66	0.73	0.00	3686436
2026-02-28 20:48:11	12	-16.8	-28.8	-10.7	5.5	1205	34.2	-21.9	-0.31, 0.66	0.73	0.00	3686439
2026-02-28 20:51:11	13	-18.5	-29.2	-11.2	6.0	1316	34.2	-21.9	-0.31, 0.66	0.73	0.00	3686440
2026-02-28 20:54:11	14	-19.4	-30.4	-11.5	6.1	1345	34.2	-21.8	-0.31, 0.66	0.73	0.00	3686441
2026-02-28 20:57:11	15	-19.9	-31.0	-12.2	6.1	1341	34.0	-21.7	-0.31, 0.66	0.73	0.00	3686443