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 15551
Detector 24h operating status: Last processed image: 0 hours and 24 minutes ago (2026-05-03 09:21 UTC) Last detected dimming: 0 hours and 41 minutes ago (2026-05-03 09:03 UTC) Overview for dimming #: 15551 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 #: 15551
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2026-05-01 11:42:11 1 -2.5 -14.6 -10.4 1.1 170 -11.2 -61.0 -0.87, -0.16 0.88 0.85 3748911

2026-05-01 11:45:11 2 -8.3 -27.8 -13.9 2.5 383 -10.7 -58.3 -0.85, -0.15 0.86 1.12 3748914

2026-05-01 11:48:11 3 -10.9 -35.7 -15.3 2.7 420 -10.8 -58.1 -0.84, -0.15 0.86 0.00 3748915

2026-05-01 11:51:11 4 -14.9 -35.3 -17.7 3.7 589 -11.6 -58.2 -0.84, -0.17 0.86 0.00 3748918

2026-05-01 11:54:11 5 -20.6 -44.3 -14.8 5.5 919 -12.3 -58.1 -0.84, -0.18 0.86 0.00 3748919

2026-05-01 11:57:11 6 -31.2 -63.5 -12.9 7.7 1323 -12.2 -58.2 -0.84, -0.18 0.86 3.10 3748922

2026-05-01 12:00:11 7 -39.0 -90.1 -12.5 8.9 1559 -13.1 -57.5 -0.83, -0.19 0.85 0.97 3748923

2026-05-01 12:03:11 8 -45.9 -109.3 -14.2 9.4 1666 -12.9 -57.3 -0.83, -0.19 0.85 0.00 3748927

2026-05-01 12:06:11 9 -50.1 -114.5 -14.3 9.5 1705 -13.1 -57.2 -0.83, -0.19 0.85 0.00 3748928

2026-05-01 12:09:11 10 -52.9 -120.0 -14.5 9.9 1789 -13.3 -57.4 -0.83, -0.19 0.85 0.00 3748929

2026-05-01 12:12:11 11 -53.8 -129.2 -15.3 9.8 1776 -12.8 -57.4 -0.83, -0.18 0.85 0.00 3748931

2026-05-01 12:15:11 12 -51.7 -130.6 -14.6 9.5 1727 -12.5 -57.4 -0.83, -0.18 0.85 0.00 3748934

2026-05-01 12:18:11 13 -52.8 -133.1 -14.4 9.5 1767 -12.5 -57.4 -0.83, -0.18 0.85 0.95 3748935

2026-05-01 12:21:11 14 -52.0 -135.9 -13.4 9.4 1783 -12.2 -57.5 -0.83, -0.17 0.85 0.00 3748938

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
2026-05-01 11:42:11	1	-2.5	-14.6	-10.4	1.1	170	-11.2	-61.0	-0.87, -0.16	0.88	0.85	3748911
2026-05-01 11:45:11	2	-8.3	-27.8	-13.9	2.5	383	-10.7	-58.3	-0.85, -0.15	0.86	1.12	3748914
2026-05-01 11:48:11	3	-10.9	-35.7	-15.3	2.7	420	-10.8	-58.1	-0.84, -0.15	0.86	0.00	3748915
2026-05-01 11:51:11	4	-14.9	-35.3	-17.7	3.7	589	-11.6	-58.2	-0.84, -0.17	0.86	0.00	3748918
2026-05-01 11:54:11	5	-20.6	-44.3	-14.8	5.5	919	-12.3	-58.1	-0.84, -0.18	0.86	0.00	3748919
2026-05-01 11:57:11	6	-31.2	-63.5	-12.9	7.7	1323	-12.2	-58.2	-0.84, -0.18	0.86	3.10	3748922
2026-05-01 12:00:11	7	-39.0	-90.1	-12.5	8.9	1559	-13.1	-57.5	-0.83, -0.19	0.85	0.97	3748923
2026-05-01 12:03:11	8	-45.9	-109.3	-14.2	9.4	1666	-12.9	-57.3	-0.83, -0.19	0.85	0.00	3748927
2026-05-01 12:06:11	9	-50.1	-114.5	-14.3	9.5	1705	-13.1	-57.2	-0.83, -0.19	0.85	0.00	3748928
2026-05-01 12:09:11	10	-52.9	-120.0	-14.5	9.9	1789	-13.3	-57.4	-0.83, -0.19	0.85	0.00	3748929
2026-05-01 12:12:11	11	-53.8	-129.2	-15.3	9.8	1776	-12.8	-57.4	-0.83, -0.18	0.85	0.00	3748931
2026-05-01 12:15:11	12	-51.7	-130.6	-14.6	9.5	1727	-12.5	-57.4	-0.83, -0.18	0.85	0.00	3748934
2026-05-01 12:18:11	13	-52.8	-133.1	-14.4	9.5	1767	-12.5	-57.4	-0.83, -0.18	0.85	0.95	3748935
2026-05-01 12:21:11	14	-52.0	-135.9	-13.4	9.4	1783	-12.2	-57.5	-0.83, -0.17	0.85	0.00	3748938