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 15146
Detector 24h operating status: Last processed image: 0 hours and 19 minutes ago (2026-02-28 12:18 UTC) Last detected dimming: 1 hours and 27 minutes ago (2026-02-28 11:09 UTC) Overview for dimming #: 15146 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 #: 15146
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2026-02-24 23:03:11 1 0.0 0.0 0.0 0.0 0 , 0.00 3679566

2026-02-24 23:06:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3679567

2026-02-24 23:09:11 3 0.0 0.0 0.0 0.0 0 , 0.00 3679568

2026-02-24 23:12:11 4 0.0 0.0 0.0 0.0 0 , 0.00 3679569

2026-02-24 23:15:11 5 0.0 0.0 0.0 0.0 0 , 1.92 3679570

2026-02-24 23:18:11 6 -0.3 -3.3 -8.5 0.0 36 -1.09, -0.37 1.15 2.69 3679571

2026-02-24 23:21:11 7 -2.1 -7.1 -9.1 0.9 225 -1.06, -0.36 1.12 1.33 3679572

2026-02-24 23:24:11 8 -4.7 -8.7 -9.1 1.6 496 -1.07, -0.37 1.13 1.47 3679573

2026-02-24 23:27:11 9 -8.0 -10.9 -9.0 2.4 816 -1.07, -0.37 1.14 0.00 3679574

2026-02-24 23:30:11 10 -9.7 -12.8 -9.3 1.6 947 -1.06, -0.36 1.12 0.00 3679575

2026-02-24 23:33:11 11 -11.0 -15.1 -9.8 1.2 1029 -1.07, -0.37 1.13 0.00 3679576

2026-02-24 23:36:11 12 -11.7 -17.0 -10.3 0.1 1059 -1.06, -0.37 1.13 0.00 3679577

2026-02-24 23:39:11 13 -13.7 -17.2 -10.3 1.3 1235 -1.07, -0.36 1.13 0.00 3679578

2026-02-24 23:42:11 14 -14.2 -16.9 -10.7 1.1 1267 -1.07, -0.37 1.13 0.00 3679579

2026-02-24 23:45:11 15 -14.9 -17.3 -10.8 1.1 1300 -1.08, -0.37 1.14 0.00 3679580

2026-02-24 23:48:11 16 -15.9 -17.3 -10.8 2.1 1402 -1.08, -0.37 1.14 0.00 3679581

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	x,y in R☉	dist. R☉	detection	Img ID
2026-02-24 23:03:11	1	0.0	0.0	0.0	0.0	0	,		0.00	3679566
2026-02-24 23:06:11	2	0.0	0.0	0.0	0.0	0	,		0.00	3679567
2026-02-24 23:09:11	3	0.0	0.0	0.0	0.0	0	,		0.00	3679568
2026-02-24 23:12:11	4	0.0	0.0	0.0	0.0	0	,		0.00	3679569
2026-02-24 23:15:11	5	0.0	0.0	0.0	0.0	0	,		1.92	3679570
2026-02-24 23:18:11	6	-0.3	-3.3	-8.5	0.0	36	-1.09, -0.37	1.15	2.69	3679571
2026-02-24 23:21:11	7	-2.1	-7.1	-9.1	0.9	225	-1.06, -0.36	1.12	1.33	3679572
2026-02-24 23:24:11	8	-4.7	-8.7	-9.1	1.6	496	-1.07, -0.37	1.13	1.47	3679573
2026-02-24 23:27:11	9	-8.0	-10.9	-9.0	2.4	816	-1.07, -0.37	1.14	0.00	3679574
2026-02-24 23:30:11	10	-9.7	-12.8	-9.3	1.6	947	-1.06, -0.36	1.12	0.00	3679575
2026-02-24 23:33:11	11	-11.0	-15.1	-9.8	1.2	1029	-1.07, -0.37	1.13	0.00	3679576
2026-02-24 23:36:11	12	-11.7	-17.0	-10.3	0.1	1059	-1.06, -0.37	1.13	0.00	3679577
2026-02-24 23:39:11	13	-13.7	-17.2	-10.3	1.3	1235	-1.07, -0.36	1.13	0.00	3679578
2026-02-24 23:42:11	14	-14.2	-16.9	-10.7	1.1	1267	-1.07, -0.37	1.13	0.00	3679579
2026-02-24 23:45:11	15	-14.9	-17.3	-10.8	1.1	1300	-1.08, -0.37	1.14	0.00	3679580
2026-02-24 23:48:11	16	-15.9	-17.3	-10.8	2.1	1402	-1.08, -0.37	1.14	0.00	3679581