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 15528
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 #: 15528 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 #: 15528
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2026-04-29 00:45:11 1 0.0 0.0 0.0 0.0 0 , 0.00 3746555

2026-04-29 00:48:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3746556

2026-04-29 00:51:11 3 0.0 0.0 0.0 0.0 0 , 0.00 3746558

2026-04-29 00:54:11 4 -2.1 -7.6 -9.1 0.7 199 19.7 1.0 0.02, 0.41 0.41 0.00 3746561

2026-04-29 00:57:11 5 -7.1 -14.9 -10.5 1.8 537 14.4 7.4 0.13, 0.33 0.35 0.00 3746562

2026-04-29 01:00:11 6 -12.3 -23.3 -11.1 2.9 861 14.7 7.8 0.13, 0.33 0.36 3.93 3746563

2026-04-29 01:03:11 7 -15.8 -26.8 -11.8 3.5 1042 14.8 7.6 0.13, 0.33 0.36 1.58 3746566

2026-04-29 01:06:11 8 -17.3 -30.4 -11.6 3.8 1118 14.8 7.7 0.13, 0.33 0.36 0.00 3746569

2026-04-29 01:09:11 9 -19.6 -37.4 -11.8 4.2 1229 14.6 8.1 0.14, 0.33 0.36 0.00 3746570

2026-04-29 01:12:23 10 -23.5 -44.6 -12.1 4.9 1434 14.6 8.3 0.14, 0.33 0.36 0.87 3746571

2026-04-29 01:15:11 11 -24.6 -40.5 -12.1 5.4 1586 14.5 8.2 0.14, 0.33 0.36 0.00 3746574

2026-04-29 01:18:23 12 -28.6 -42.5 -11.9 6.3 1842 14.5 8.1 0.14, 0.33 0.35 1.19 3746575

2026-04-29 01:21:11 13 -31.7 -39.8 -12.3 7.0 2065 14.7 7.7 0.13, 0.33 0.36 1.18 3746578

2026-04-29 01:24:11 14 -35.8 -39.3 -12.7 7.7 2273 14.9 7.2 0.12, 0.33 0.36 0.00 3746581

2026-04-29 01:27:11 15 -38.3 -37.5 -13.2 8.3 2440 15.0 7.2 0.12, 0.34 0.36 0.00 3746582

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 00:45:11	1	0.0	0.0	0.0	0.0	0			,		0.00	3746555
2026-04-29 00:48:11	2	0.0	0.0	0.0	0.0	0			,		0.00	3746556
2026-04-29 00:51:11	3	0.0	0.0	0.0	0.0	0			,		0.00	3746558
2026-04-29 00:54:11	4	-2.1	-7.6	-9.1	0.7	199	19.7	1.0	0.02, 0.41	0.41	0.00	3746561
2026-04-29 00:57:11	5	-7.1	-14.9	-10.5	1.8	537	14.4	7.4	0.13, 0.33	0.35	0.00	3746562
2026-04-29 01:00:11	6	-12.3	-23.3	-11.1	2.9	861	14.7	7.8	0.13, 0.33	0.36	3.93	3746563
2026-04-29 01:03:11	7	-15.8	-26.8	-11.8	3.5	1042	14.8	7.6	0.13, 0.33	0.36	1.58	3746566
2026-04-29 01:06:11	8	-17.3	-30.4	-11.6	3.8	1118	14.8	7.7	0.13, 0.33	0.36	0.00	3746569
2026-04-29 01:09:11	9	-19.6	-37.4	-11.8	4.2	1229	14.6	8.1	0.14, 0.33	0.36	0.00	3746570
2026-04-29 01:12:23	10	-23.5	-44.6	-12.1	4.9	1434	14.6	8.3	0.14, 0.33	0.36	0.87	3746571
2026-04-29 01:15:11	11	-24.6	-40.5	-12.1	5.4	1586	14.5	8.2	0.14, 0.33	0.36	0.00	3746574
2026-04-29 01:18:23	12	-28.6	-42.5	-11.9	6.3	1842	14.5	8.1	0.14, 0.33	0.35	1.19	3746575
2026-04-29 01:21:11	13	-31.7	-39.8	-12.3	7.0	2065	14.7	7.7	0.13, 0.33	0.36	1.18	3746578
2026-04-29 01:24:11	14	-35.8	-39.3	-12.7	7.7	2273	14.9	7.2	0.12, 0.33	0.36	0.00	3746581
2026-04-29 01:27:11	15	-38.3	-37.5	-13.2	8.3	2440	15.0	7.2	0.12, 0.34	0.36	0.00	3746582