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 15305
Detector 24h operating status: Last processed image: 84 hours and 6 minutes ago (2026-04-02 05:18 UTC) Last detected dimming: 84 hours and 6 minutes ago (2026-04-02 05:18 UTC) Overview for dimming #: 15305 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 #: 15305
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2026-03-28 20:39:11 1 0.0 0.0 0.0 0.0 0 , 1.23 3712136

2026-03-28 20:42:11 2 0.0 0.0 0.0 0.0 0 , 0.86 3712137

2026-03-28 20:45:11 3 0.0 0.0 0.0 0.0 0 , 0.00 3712142

2026-03-28 20:48:11 4 -1.2 -15.2 -59.9 0.1 23 -32.7 -53.2 -0.68, -0.48 0.84 0.00 3712143

2026-03-28 20:51:11 5 -3.7 -33.8 -29.8 0.6 101 -32.9 -52.7 -0.68, -0.48 0.83 1.56 3712148

2026-03-28 20:54:11 6 -3.8 -30.5 -12.3 0.9 151 -32.9 -52.9 -0.68, -0.49 0.83 1.50 3712149

2026-03-28 20:57:11 7 -2.5 -25.0 -32.4 0.4 72 -32.8 -53.0 -0.68, -0.48 0.83 0.00 3712150

2026-03-28 21:00:35 8 -1.4 -16.4 -40.6 0.2 40 -32.9 -52.6 -0.67, -0.48 0.83 0.00 3712151

2026-03-28 21:03:11 9 -0.4 -4.0 -28.9 0.1 13 -32.9 -53.3 -0.68, -0.49 0.84 0.00 3712154

2026-03-28 21:06:11 10 0.0 0.0 0.0 0.0 0 , 0.00 3712155

2026-03-28 21:09:11 11 0.0 0.0 0.0 0.0 0 , 0.00 3712158

2026-03-28 21:12:11 12 0.0 0.0 0.0 0.0 0 , 2.38 3712159

2026-03-28 21:15:11 13 0.0 0.0 0.0 0.0 0 , 0.00 3712162

2026-03-28 21:18:11 14 0.0 0.0 0.0 0.0 0 , 0.00 3712163

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
2026-03-28 20:39:11	1	0.0	0.0	0.0	0.0	0			,		1.23	3712136
2026-03-28 20:42:11	2	0.0	0.0	0.0	0.0	0			,		0.86	3712137
2026-03-28 20:45:11	3	0.0	0.0	0.0	0.0	0			,		0.00	3712142
2026-03-28 20:48:11	4	-1.2	-15.2	-59.9	0.1	23	-32.7	-53.2	-0.68, -0.48	0.84	0.00	3712143
2026-03-28 20:51:11	5	-3.7	-33.8	-29.8	0.6	101	-32.9	-52.7	-0.68, -0.48	0.83	1.56	3712148
2026-03-28 20:54:11	6	-3.8	-30.5	-12.3	0.9	151	-32.9	-52.9	-0.68, -0.49	0.83	1.50	3712149
2026-03-28 20:57:11	7	-2.5	-25.0	-32.4	0.4	72	-32.8	-53.0	-0.68, -0.48	0.83	0.00	3712150
2026-03-28 21:00:35	8	-1.4	-16.4	-40.6	0.2	40	-32.9	-52.6	-0.67, -0.48	0.83	0.00	3712151
2026-03-28 21:03:11	9	-0.4	-4.0	-28.9	0.1	13	-32.9	-53.3	-0.68, -0.49	0.84	0.00	3712154
2026-03-28 21:06:11	10	0.0	0.0	0.0	0.0	0			,		0.00	3712155
2026-03-28 21:09:11	11	0.0	0.0	0.0	0.0	0			,		0.00	3712158
2026-03-28 21:12:11	12	0.0	0.0	0.0	0.0	0			,		2.38	3712159
2026-03-28 21:15:11	13	0.0	0.0	0.0	0.0	0			,		0.00	3712162
2026-03-28 21:18:11	14	0.0	0.0	0.0	0.0	0			,		0.00	3712163