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 15390
Detector 24h operating status: Last processed image: 0 hours and 19 minutes ago (2026-04-30 05:45 UTC) Last detected dimming: 0 hours and 18 minutes ago (2026-04-30 05:45 UTC) Overview for dimming #: 15390 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 #: 15390
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2026-04-03 00:45:11 1 0.0 0.0 0.0 0.0 0 , 0.00 3725188

2026-04-03 00:48:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3725189

2026-04-03 00:51:11 3 0.0 0.0 -22.7 0.0 2 , 0.92 3725190

2026-04-03 00:54:11 4 -0.8 -7.9 -16.9 0.2 47 3.8 25.5 0.44, 0.17 0.47 0.96 3725191

2026-04-03 00:57:11 5 -4.2 -10.4 -9.2 1.3 371 3.4 25.2 0.43, 0.16 0.46 1.01 3725192

2026-04-03 01:00:47 6 -8.7 -15.0 -9.5 2.5 732 3.6 25.0 0.43, 0.17 0.46 1.65 3725193

2026-04-03 01:03:11 7 -10.3 -14.4 -10.2 2.8 824 3.8 25.0 0.43, 0.17 0.46 1.49 3725194

2026-04-03 01:06:11 8 -13.9 -20.4 -11.4 3.4 996 4.3 25.1 0.43, 0.18 0.46 0.89 3725195

2026-04-03 01:09:11 9 -17.3 -31.1 -12.3 3.6 1062 4.7 25.5 0.43, 0.18 0.47 0.85 3725196

2026-04-03 01:12:11 10 -21.6 -38.5 -13.4 4.1 1211 4.6 25.3 0.43, 0.18 0.47 0.91 3725197

2026-04-03 01:15:11 11 -25.7 -40.4 -13.6 4.7 1386 4.7 25.2 0.43, 0.19 0.47 0.92 3725198

2026-04-03 01:18:11 12 -30.5 -47.8 -14.1 5.2 1544 4.8 25.2 0.43, 0.19 0.47 0.00 3725199

2026-04-03 01:21:11 13 -35.3 -63.1 -15.1 5.5 1618 4.8 25.4 0.43, 0.19 0.47 0.00 3725200

2026-04-03 01:24:11 14 -39.8 -70.7 -16.0 5.8 1721 5.0 24.8 0.42, 0.19 0.46 0.00 3725201

2026-04-03 01:27:11 15 -44.5 -73.9 -16.5 6.2 1833 5.3 24.1 0.41, 0.20 0.46 0.00 3725202

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
2026-04-03 00:45:11	1	0.0	0.0	0.0	0.0	0			,		0.00	3725188
2026-04-03 00:48:11	2	0.0	0.0	0.0	0.0	0			,		0.00	3725189
2026-04-03 00:51:11	3	0.0	0.0	-22.7	0.0	2			,		0.92	3725190
2026-04-03 00:54:11	4	-0.8	-7.9	-16.9	0.2	47	3.8	25.5	0.44, 0.17	0.47	0.96	3725191
2026-04-03 00:57:11	5	-4.2	-10.4	-9.2	1.3	371	3.4	25.2	0.43, 0.16	0.46	1.01	3725192
2026-04-03 01:00:47	6	-8.7	-15.0	-9.5	2.5	732	3.6	25.0	0.43, 0.17	0.46	1.65	3725193
2026-04-03 01:03:11	7	-10.3	-14.4	-10.2	2.8	824	3.8	25.0	0.43, 0.17	0.46	1.49	3725194
2026-04-03 01:06:11	8	-13.9	-20.4	-11.4	3.4	996	4.3	25.1	0.43, 0.18	0.46	0.89	3725195
2026-04-03 01:09:11	9	-17.3	-31.1	-12.3	3.6	1062	4.7	25.5	0.43, 0.18	0.47	0.85	3725196
2026-04-03 01:12:11	10	-21.6	-38.5	-13.4	4.1	1211	4.6	25.3	0.43, 0.18	0.47	0.91	3725197
2026-04-03 01:15:11	11	-25.7	-40.4	-13.6	4.7	1386	4.7	25.2	0.43, 0.19	0.47	0.92	3725198
2026-04-03 01:18:11	12	-30.5	-47.8	-14.1	5.2	1544	4.8	25.2	0.43, 0.19	0.47	0.00	3725199
2026-04-03 01:21:11	13	-35.3	-63.1	-15.1	5.5	1618	4.8	25.4	0.43, 0.19	0.47	0.00	3725200
2026-04-03 01:24:11	14	-39.8	-70.7	-16.0	5.8	1721	5.0	24.8	0.42, 0.19	0.46	0.00	3725201
2026-04-03 01:27:11	15	-44.5	-73.9	-16.5	6.2	1833	5.3	24.1	0.41, 0.20	0.46	0.00	3725202