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 15260
Detector 24h operating status: Last processed image: 0 hours and 22 minutes ago (2026-03-21 17:18 UTC) Last detected dimming: 1 hours and 4 minutes ago (2026-03-21 16:36 UTC) Overview for dimming #: 15260 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 #: 15260
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2026-03-20 07:45:11 1 0.0 0.0 0.0 0.0 0 , 0.00 3704057

2026-03-20 07:48:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3704058

2026-03-20 07:51:11 3 -1.2 -14.7 -21.4 0.3 43 , 0.00 3704063

2026-03-20 07:54:11 4 -4.1 -16.3 -13.5 0.6 263 , 0.00 3704064

2026-03-20 07:57:11 5 -9.6 -20.2 -15.0 1.6 558 23.4 57.6 0.78, 0.46 0.91 0.00 3704065

2026-03-20 08:00:11 6 -17.6 -22.3 -15.9 2.7 985 23.1 58.0 0.79, 0.45 0.91 2.27 3704066

2026-03-20 08:03:11 7 -30.0 -30.6 -17.4 4.3 1525 22.3 55.8 0.77, 0.45 0.89 0.00 3704070

2026-03-20 08:06:11 8 -40.5 -39.8 -18.0 5.3 1917 22.0 54.8 0.77, 0.44 0.88 0.00 3704071

2026-03-20 08:09:11 9 -54.0 -46.8 -17.1 6.3 2508 21.9 54.3 0.76, 0.44 0.88 0.00 3704075

2026-03-20 08:12:11 10 -68.3 -55.0 -16.4 7.2 3110 21.7 53.7 0.76, 0.44 0.87 0.00 3704076

2026-03-20 08:15:11 11 -79.3 -62.1 -16.0 7.9 3561 21.7 53.6 0.76, 0.44 0.87 0.00 3704077

2026-03-20 08:18:11 12 -91.0 -66.2 -15.4 8.5 4093 21.6 53.5 0.76, 0.44 0.87 0.00 3704078

2026-03-20 08:21:11 13 -104.3 -69.4 -15.6 9.2 4672 21.7 53.9 0.76, 0.44 0.88 0.00 3704081

2026-03-20 08:24:11 14 -113.1 -73.5 -15.6 9.8 4969 21.7 53.9 0.76, 0.44 0.88 0.00 3704082

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
2026-03-20 07:45:11	1	0.0	0.0	0.0	0.0	0			,		0.00	3704057
2026-03-20 07:48:11	2	0.0	0.0	0.0	0.0	0			,		0.00	3704058
2026-03-20 07:51:11	3	-1.2	-14.7	-21.4	0.3	43			,		0.00	3704063
2026-03-20 07:54:11	4	-4.1	-16.3	-13.5	0.6	263			,		0.00	3704064
2026-03-20 07:57:11	5	-9.6	-20.2	-15.0	1.6	558	23.4	57.6	0.78, 0.46	0.91	0.00	3704065
2026-03-20 08:00:11	6	-17.6	-22.3	-15.9	2.7	985	23.1	58.0	0.79, 0.45	0.91	2.27	3704066
2026-03-20 08:03:11	7	-30.0	-30.6	-17.4	4.3	1525	22.3	55.8	0.77, 0.45	0.89	0.00	3704070
2026-03-20 08:06:11	8	-40.5	-39.8	-18.0	5.3	1917	22.0	54.8	0.77, 0.44	0.88	0.00	3704071
2026-03-20 08:09:11	9	-54.0	-46.8	-17.1	6.3	2508	21.9	54.3	0.76, 0.44	0.88	0.00	3704075
2026-03-20 08:12:11	10	-68.3	-55.0	-16.4	7.2	3110	21.7	53.7	0.76, 0.44	0.87	0.00	3704076
2026-03-20 08:15:11	11	-79.3	-62.1	-16.0	7.9	3561	21.7	53.6	0.76, 0.44	0.87	0.00	3704077
2026-03-20 08:18:11	12	-91.0	-66.2	-15.4	8.5	4093	21.6	53.5	0.76, 0.44	0.87	0.00	3704078
2026-03-20 08:21:11	13	-104.3	-69.4	-15.6	9.2	4672	21.7	53.9	0.76, 0.44	0.88	0.00	3704081
2026-03-20 08:24:11	14	-113.1	-73.5	-15.6	9.8	4969	21.7	53.9	0.76, 0.44	0.88	0.00	3704082