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 13335
Detector 24h operating status: Last processed image: 0 hours and 23 minutes ago (2026-03-17 00:06 UTC) Last detected dimming: 8 hours and 29 minutes ago (2026-03-16 16:00 UTC) Overview for dimming #: 13335 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 #: 13335
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2025-07-18 04:21:11 1 0.0 0.0 0.0 0.0 0 , 0.88 3474581

2025-07-18 04:24:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3474582

2025-07-18 04:27:11 3 0.0 0.0 0.0 0.0 0 , 0.00 3474585

2025-07-18 04:30:11 4 0.0 0.0 0.0 0.0 0 , 0.00 3474586

2025-07-18 04:33:11 5 0.0 0.0 0.0 0.0 0 , 2.46 3474589

2025-07-18 04:36:11 6 0.0 0.0 0.0 0.0 0 , 2.84 3474590

2025-07-18 04:39:11 7 -1.2 -11.1 -19.6 0.4 63 27.9 57.6 0.75, 0.43 0.87 1.20 3474594

2025-07-18 04:42:11 8 -1.6 -13.4 -20.7 0.5 76 27.5 59.1 0.77, 0.43 0.88 0.92 3474595

2025-07-18 04:45:11 9 -2.0 -16.3 -23.4 0.6 94 27.5 60.7 0.78, 0.43 0.89 1.33 3474597

2025-07-18 04:48:11 10 -3.6 -17.1 -9.1 2.0 272 27.4 60.4 0.78, 0.43 0.89 0.00 3474598

2025-07-18 04:51:11 11 -5.7 -16.6 -9.7 3.2 448 28.1 56.0 0.74, 0.43 0.86 0.00 3474601

2025-07-18 04:54:11 12 -8.9 -17.2 -9.6 5.3 756 28.2 55.8 0.74, 0.44 0.86 0.00 3474602

2025-07-18 04:57:11 13 -12.0 -18.6 -9.8 7.2 1023 28.0 56.6 0.75, 0.43 0.86 0.00 3474605

2025-07-18 05:00:11 14 -15.6 -19.1 -10.1 8.9 1278 26.8 48.8 0.68, 0.41 0.79 0.00 3474606

2025-07-18 05:03:11 15 -19.3 -19.6 -10.6 10.4 1497 26.1 44.6 0.64, 0.39 0.75 0.00 3474609

2025-07-18 05:06:11 16 -23.2 -20.2 -11.0 12.0 1766 27.2 40.7 0.59, 0.41 0.71 0.94 3474610

2025-07-18 05:09:11 17 -29.8 -22.5 -11.6 13.3 2070 26.5 29.7 0.45, 0.39 0.59 1.07 3474613

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
2025-07-18 04:21:11	1	0.0	0.0	0.0	0.0	0			,		0.88	3474581
2025-07-18 04:24:11	2	0.0	0.0	0.0	0.0	0			,		0.00	3474582
2025-07-18 04:27:11	3	0.0	0.0	0.0	0.0	0			,		0.00	3474585
2025-07-18 04:30:11	4	0.0	0.0	0.0	0.0	0			,		0.00	3474586
2025-07-18 04:33:11	5	0.0	0.0	0.0	0.0	0			,		2.46	3474589
2025-07-18 04:36:11	6	0.0	0.0	0.0	0.0	0			,		2.84	3474590
2025-07-18 04:39:11	7	-1.2	-11.1	-19.6	0.4	63	27.9	57.6	0.75, 0.43	0.87	1.20	3474594
2025-07-18 04:42:11	8	-1.6	-13.4	-20.7	0.5	76	27.5	59.1	0.77, 0.43	0.88	0.92	3474595
2025-07-18 04:45:11	9	-2.0	-16.3	-23.4	0.6	94	27.5	60.7	0.78, 0.43	0.89	1.33	3474597
2025-07-18 04:48:11	10	-3.6	-17.1	-9.1	2.0	272	27.4	60.4	0.78, 0.43	0.89	0.00	3474598
2025-07-18 04:51:11	11	-5.7	-16.6	-9.7	3.2	448	28.1	56.0	0.74, 0.43	0.86	0.00	3474601
2025-07-18 04:54:11	12	-8.9	-17.2	-9.6	5.3	756	28.2	55.8	0.74, 0.44	0.86	0.00	3474602
2025-07-18 04:57:11	13	-12.0	-18.6	-9.8	7.2	1023	28.0	56.6	0.75, 0.43	0.86	0.00	3474605
2025-07-18 05:00:11	14	-15.6	-19.1	-10.1	8.9	1278	26.8	48.8	0.68, 0.41	0.79	0.00	3474606
2025-07-18 05:03:11	15	-19.3	-19.6	-10.6	10.4	1497	26.1	44.6	0.64, 0.39	0.75	0.00	3474609
2025-07-18 05:06:11	16	-23.2	-20.2	-11.0	12.0	1766	27.2	40.7	0.59, 0.41	0.71	0.94	3474610
2025-07-18 05:09:11	17	-29.8	-22.5	-11.6	13.3	2070	26.5	29.7	0.45, 0.39	0.59	1.07	3474613