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 13660
Detector 24h operating status: Last processed image: 0 hours and 21 minutes ago (2025-08-25 15:00 UTC) Last detected dimming: 0 hours and 60 minutes ago (2025-08-25 14:21 UTC) Overview for dimming #: 13660 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 #: 13660
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2025-08-20 09:39:11 1 0.0 0.0 0.0 0.0 0 , 0.00 3505799

2025-08-20 09:42:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3505800

2025-08-20 09:45:11 3 0.0 0.0 0.0 0.0 0 , 0.00 3505803

2025-08-20 09:48:11 4 -2.2 -8.8 -12.1 1.4 146 , 0.00 3505804

2025-08-20 09:51:11 5 -7.0 -26.9 -14.6 3.0 347 -21.1 -59.6 -0.81, -0.42 0.91 0.00 3505807

2025-08-20 09:54:11 6 -9.5 -35.0 -16.9 3.6 425 -20.9 -59.4 -0.81, -0.41 0.91 2.85 3505808

2025-08-20 09:57:11 7 -11.4 -40.5 -18.4 4.1 480 -20.9 -59.5 -0.81, -0.42 0.91 1.78 3505811

2025-08-20 10:00:11 8 -11.7 -39.4 -20.5 4.0 473 -20.9 -59.5 -0.81, -0.42 0.91 0.00 3505812

2025-08-20 10:03:11 9 -12.0 -38.5 -22.3 4.0 468 -20.8 -59.5 -0.81, -0.41 0.91 0.00 3505815

2025-08-20 10:06:11 10 -12.7 -41.0 -24.3 3.9 450 -20.6 -59.3 -0.81, -0.41 0.91 0.00 3505816

2025-08-20 10:09:11 11 -14.4 -47.4 -27.0 4.0 462 -20.9 -59.6 -0.81, -0.41 0.91 0.00 3505819

2025-08-20 10:12:11 12 -16.7 -56.0 -27.9 4.4 524 -20.7 -59.3 -0.81, -0.41 0.91 0.90 3505820

2025-08-20 10:15:11 13 -15.7 -58.2 -27.8 4.1 501 -20.6 -59.2 -0.81, -0.41 0.91 1.12 3505823

2025-08-20 10:18:11 14 -13.3 -49.3 -27.4 3.6 428 -20.7 -59.3 -0.81, -0.41 0.91 0.00 3505824

2025-08-20 10:21:11 15 -12.1 -47.5 -28.0 3.2 375 -20.7 -59.1 -0.81, -0.41 0.91 0.00 3505827

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
2025-08-20 09:39:11	1	0.0	0.0	0.0	0.0	0			,		0.00	3505799
2025-08-20 09:42:11	2	0.0	0.0	0.0	0.0	0			,		0.00	3505800
2025-08-20 09:45:11	3	0.0	0.0	0.0	0.0	0			,		0.00	3505803
2025-08-20 09:48:11	4	-2.2	-8.8	-12.1	1.4	146			,		0.00	3505804
2025-08-20 09:51:11	5	-7.0	-26.9	-14.6	3.0	347	-21.1	-59.6	-0.81, -0.42	0.91	0.00	3505807
2025-08-20 09:54:11	6	-9.5	-35.0	-16.9	3.6	425	-20.9	-59.4	-0.81, -0.41	0.91	2.85	3505808
2025-08-20 09:57:11	7	-11.4	-40.5	-18.4	4.1	480	-20.9	-59.5	-0.81, -0.42	0.91	1.78	3505811
2025-08-20 10:00:11	8	-11.7	-39.4	-20.5	4.0	473	-20.9	-59.5	-0.81, -0.42	0.91	0.00	3505812
2025-08-20 10:03:11	9	-12.0	-38.5	-22.3	4.0	468	-20.8	-59.5	-0.81, -0.41	0.91	0.00	3505815
2025-08-20 10:06:11	10	-12.7	-41.0	-24.3	3.9	450	-20.6	-59.3	-0.81, -0.41	0.91	0.00	3505816
2025-08-20 10:09:11	11	-14.4	-47.4	-27.0	4.0	462	-20.9	-59.6	-0.81, -0.41	0.91	0.00	3505819
2025-08-20 10:12:11	12	-16.7	-56.0	-27.9	4.4	524	-20.7	-59.3	-0.81, -0.41	0.91	0.90	3505820
2025-08-20 10:15:11	13	-15.7	-58.2	-27.8	4.1	501	-20.6	-59.2	-0.81, -0.41	0.91	1.12	3505823
2025-08-20 10:18:11	14	-13.3	-49.3	-27.4	3.6	428	-20.7	-59.3	-0.81, -0.41	0.91	0.00	3505824
2025-08-20 10:21:11	15	-12.1	-47.5	-28.0	3.2	375	-20.7	-59.1	-0.81, -0.41	0.91	0.00	3505827