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 15557
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 41 minutes ago (2026-05-03 09:03 UTC) Overview for dimming #: 15557 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 #: 15557
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2026-05-01 18:36:11 1 0.0 0.0 0.0 0.0 0 , 0.94 3749187

2026-05-01 18:39:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3749190

2026-05-01 18:42:11 3 -2.0 -20.9 -14.9 0.3 61 , 0.00 3749191

2026-05-01 18:45:11 4 -1.9 -13.6 -15.2 0.3 74 -8.1 -42.5 -0.68, -0.09 0.68 1.72 3749194

2026-05-01 18:48:11 5 -2.7 -23.2 -12.2 0.5 99 -8.1 -42.5 -0.68, -0.09 0.68 1.12 3749195

2026-05-01 18:51:11 6 -3.9 -27.0 -12.4 1.0 177 -8.3 -42.7 -0.68, -0.09 0.69 1.25 3749198

2026-05-01 18:54:11 7 -5.4 -26.1 -12.8 1.9 277 -8.9 -43.8 -0.69, -0.10 0.70 0.00 3749199

2026-05-01 18:57:11 8 -10.0 -27.1 -12.4 3.2 524 -10.6 -41.8 -0.66, -0.13 0.68 1.00 3749202

2026-05-01 19:00:11 9 -11.7 -27.8 -13.7 3.6 584 -10.6 -42.0 -0.67, -0.13 0.68 0.00 3749203

2026-05-01 19:03:11 10 -12.5 -22.9 -15.8 3.9 591 -11.1 -43.8 -0.69, -0.14 0.70 0.00 3749206

2026-05-01 19:06:11 11 -15.5 -29.2 -17.2 4.6 698 -11.2 -44.7 -0.70, -0.14 0.71 0.00 3749207

2026-05-01 19:09:11 12 -16.5 -27.2 -16.6 5.1 746 -12.1 -47.0 -0.72, -0.16 0.74 0.00 3749210

2026-05-01 19:12:11 13 -20.2 -28.5 -16.7 6.0 890 -11.8 -46.8 -0.72, -0.16 0.74 0.00 3749211

2026-05-01 19:15:11 14 -20.0 -35.3 -17.9 6.0 883 -13.2 -47.9 -0.73, -0.18 0.75 0.00 3749214

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
2026-05-01 18:36:11	1	0.0	0.0	0.0	0.0	0			,		0.94	3749187
2026-05-01 18:39:11	2	0.0	0.0	0.0	0.0	0			,		0.00	3749190
2026-05-01 18:42:11	3	-2.0	-20.9	-14.9	0.3	61			,		0.00	3749191
2026-05-01 18:45:11	4	-1.9	-13.6	-15.2	0.3	74	-8.1	-42.5	-0.68, -0.09	0.68	1.72	3749194
2026-05-01 18:48:11	5	-2.7	-23.2	-12.2	0.5	99	-8.1	-42.5	-0.68, -0.09	0.68	1.12	3749195
2026-05-01 18:51:11	6	-3.9	-27.0	-12.4	1.0	177	-8.3	-42.7	-0.68, -0.09	0.69	1.25	3749198
2026-05-01 18:54:11	7	-5.4	-26.1	-12.8	1.9	277	-8.9	-43.8	-0.69, -0.10	0.70	0.00	3749199
2026-05-01 18:57:11	8	-10.0	-27.1	-12.4	3.2	524	-10.6	-41.8	-0.66, -0.13	0.68	1.00	3749202
2026-05-01 19:00:11	9	-11.7	-27.8	-13.7	3.6	584	-10.6	-42.0	-0.67, -0.13	0.68	0.00	3749203
2026-05-01 19:03:11	10	-12.5	-22.9	-15.8	3.9	591	-11.1	-43.8	-0.69, -0.14	0.70	0.00	3749206
2026-05-01 19:06:11	11	-15.5	-29.2	-17.2	4.6	698	-11.2	-44.7	-0.70, -0.14	0.71	0.00	3749207
2026-05-01 19:09:11	12	-16.5	-27.2	-16.6	5.1	746	-12.1	-47.0	-0.72, -0.16	0.74	0.00	3749210
2026-05-01 19:12:11	13	-20.2	-28.5	-16.7	6.0	890	-11.8	-46.8	-0.72, -0.16	0.74	0.00	3749211
2026-05-01 19:15:11	14	-20.0	-35.3	-17.9	6.0	883	-13.2	-47.9	-0.73, -0.18	0.75	0.00	3749214