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 15537
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 42 minutes ago (2026-05-03 09:03 UTC) Overview for dimming #: 15537 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 #: 15537
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2026-04-29 13:30:11 1 0.0 0.0 0.0 0.0 0 , 0.00 3747064

2026-04-29 13:33:11 2 0.0 0.0 0.0 0.0 0 , 0.95 3747065

2026-04-29 13:36:11 3 -1.9 -14.2 -12.5 0.5 136 , 0.00 3747068

2026-04-29 13:39:11 4 -3.5 -17.5 -12.9 0.8 229 10.9 14.9 0.26, 0.26 0.37 0.00 3747069

2026-04-29 13:42:11 5 -6.6 -19.5 -14.9 1.4 402 10.7 14.5 0.25, 0.26 0.36 1.50 3747072

2026-04-29 13:45:11 6 -9.4 -20.1 -15.0 2.0 578 10.6 15.2 0.26, 0.26 0.37 9.41 3747073

2026-04-29 13:48:11 7 -13.3 -21.4 -14.1 2.8 830 10.5 15.5 0.27, 0.26 0.37 4.98 3747076

2026-04-29 13:51:11 8 -16.5 -23.1 -14.4 3.4 1012 10.3 15.6 0.27, 0.25 0.37 1.49 3747077

2026-04-29 13:54:11 9 -19.3 -23.4 -14.5 4.0 1186 9.6 16.5 0.28, 0.24 0.37 0.00 3747080

2026-04-29 13:57:11 10 -23.3 -24.1 -14.1 4.8 1430 9.4 16.9 0.29, 0.24 0.37 0.00 3747081

2026-04-29 14:00:11 11 -27.3 -25.4 -12.4 6.0 1789 9.5 16.8 0.29, 0.24 0.37 0.00 3747084

2026-04-29 14:03:11 12 -31.4 -24.8 -12.6 7.1 2131 9.3 17.1 0.29, 0.23 0.38 0.00 3747085

2026-04-29 14:06:11 13 -32.9 -23.2 -12.5 7.5 2264 9.2 17.1 0.29, 0.23 0.38 0.00 3747088

2026-04-29 14:09:11 14 -37.4 -23.5 -12.2 8.8 2662 9.6 16.6 0.29, 0.24 0.37 0.00 3747089

2026-04-29 14:12:11 15 -31.5 -22.1 -12.0 7.2 2199 9.3 17.0 0.29, 0.24 0.37 0.00 3747092

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
2026-04-29 13:30:11	1	0.0	0.0	0.0	0.0	0			,		0.00	3747064
2026-04-29 13:33:11	2	0.0	0.0	0.0	0.0	0			,		0.95	3747065
2026-04-29 13:36:11	3	-1.9	-14.2	-12.5	0.5	136			,		0.00	3747068
2026-04-29 13:39:11	4	-3.5	-17.5	-12.9	0.8	229	10.9	14.9	0.26, 0.26	0.37	0.00	3747069
2026-04-29 13:42:11	5	-6.6	-19.5	-14.9	1.4	402	10.7	14.5	0.25, 0.26	0.36	1.50	3747072
2026-04-29 13:45:11	6	-9.4	-20.1	-15.0	2.0	578	10.6	15.2	0.26, 0.26	0.37	9.41	3747073
2026-04-29 13:48:11	7	-13.3	-21.4	-14.1	2.8	830	10.5	15.5	0.27, 0.26	0.37	4.98	3747076
2026-04-29 13:51:11	8	-16.5	-23.1	-14.4	3.4	1012	10.3	15.6	0.27, 0.25	0.37	1.49	3747077
2026-04-29 13:54:11	9	-19.3	-23.4	-14.5	4.0	1186	9.6	16.5	0.28, 0.24	0.37	0.00	3747080
2026-04-29 13:57:11	10	-23.3	-24.1	-14.1	4.8	1430	9.4	16.9	0.29, 0.24	0.37	0.00	3747081
2026-04-29 14:00:11	11	-27.3	-25.4	-12.4	6.0	1789	9.5	16.8	0.29, 0.24	0.37	0.00	3747084
2026-04-29 14:03:11	12	-31.4	-24.8	-12.6	7.1	2131	9.3	17.1	0.29, 0.23	0.38	0.00	3747085
2026-04-29 14:06:11	13	-32.9	-23.2	-12.5	7.5	2264	9.2	17.1	0.29, 0.23	0.38	0.00	3747088
2026-04-29 14:09:11	14	-37.4	-23.5	-12.2	8.8	2662	9.6	16.6	0.29, 0.24	0.37	0.00	3747089
2026-04-29 14:12:11	15	-31.5	-22.1	-12.0	7.2	2199	9.3	17.0	0.29, 0.24	0.37	0.00	3747092