Solar Demon Dimming Detection (sc)

Science! running on SDO/AIA 211 Synoptic data
2 minute cadence, typical delay 7 days
(detection version 1.00)
(view all Solar Demon detection tools)

Overview of dimming 21118
Detector 14 day operating status:

Last detected dimming:
   205 hours and 6 minutes ago (2026-01-03 23:07 UTC)


Overview for dimming #:
   21118           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 #: 21118          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-12-30 03:01:5910.00.00.00.00 , 0.008752770
2025-12-30 03:03:5920.00.00.00.00 , 0.008752771
2025-12-30 03:05:5930.00.00.00.00 , 0.008752772
2025-12-30 03:07:5940.00.00.00.00 , 0.008752773
2025-12-30 03:09:5950.00.00.00.00 , 0.008752774
2025-12-30 03:11:5960.00.00.00.00 , 0.008752775
2025-12-30 03:13:5970.00.00.00.00 , 0.008752776
2025-12-30 03:15:5980.00.00.00.00 , 2.498752777
2025-12-30 03:17:5990.00.00.00.00 , 2.888752778
2025-12-30 03:19:59100.00.00.00.00 , 13.218752779
2025-12-30 03:21:5911-0.6-7.4-20.40.12829.5-32.8-0.48, 0.530.7210.228752780
2025-12-30 03:23:5912-0.2-1.2-20.20.0729.4-32.5-0.47, 0.530.717.578752781
2025-12-30 03:25:5913-0.8-7.4-27.10.13413.6-33.3-0.54, 0.280.616.268752782
2025-12-30 03:27:5914-1.1-9.4-20.60.25429.5-32.9-0.48, 0.530.721.568752783
2025-12-30 03:29:5915-1.1-11.2-14.70.36229.5-32.9-0.48, 0.530.724.278752784
2025-12-30 03:31:5916-0.9-10.7-18.10.25129.5-32.9-0.48, 0.530.721.728752785
2025-12-30 03:33:5917-0.7-8.7-15.00.24429.5-32.9-0.48, 0.530.721.648752786
2025-12-30 03:35:59180.00.00.00.00 , 0.008752787
2025-12-30 03:37:5919-0.10.0-17.90.0426.8-32.2-0.48, 0.490.690.008752788
2025-12-30 03:39:5920-1.6-12.2-18.10.37927.1-32.4-0.48, 0.500.690.008752789
2025-12-30 03:41:5921-1.9-14.5-14.60.410128.0-32.6-0.48, 0.510.700.008752790
2025-12-30 03:43:5922-1.7-13.3-17.80.490 , 0.008752791
2025-12-30 03:45:5923-1.9-13.7-15.70.5102-32.4-65.4-0.78, -0.520.940.008752792
2025-12-30 03:47:5924-2.5-13.5-16.00.8141-33.6-69.1-0.79, -0.540.960.008752793
2025-12-30 03:49:5925-3.3-13.6-18.31.2177-33.7-69.1-0.78, -0.550.960.948752794
2025-12-30 03:51:5926-4.0-13.9-15.81.6235-33.6-68.8-0.78, -0.540.955.288752795
2025-12-30 03:53:5927-5.4-15.1-16.01.8305-33.5-68.4-0.78, -0.540.955.638752796
2025-12-30 03:55:5928-5.7-15.4-15.31.9322-33.9-69.0-0.78, -0.550.961.828752797
2025-12-30 03:57:5929-6.9-15.8-14.42.6422-30.3-58.1-0.74, -0.490.890.008752798
2025-12-30 03:59:5930-6.8-16.2-14.22.641722.3-31.0-0.48, 0.420.640.978752799
2025-12-30 04:01:5931-8.2-17.1-14.63.3496-33.8-69.4-0.79, -0.550.960.958752800
2025-12-30 04:03:5932-9.9-17.5-14.54.2614-33.9-69.4-0.78, -0.550.960.008752801
2025-12-30 04:05:5933-11.6-18.9-14.84.6701-33.9-69.4-0.78, -0.550.960.008752802
2025-12-30 04:07:5934-12.6-20.7-14.54.8753-33.9-69.3-0.78, -0.550.960.008752803
2025-12-30 04:09:5935-12.7-21.3-14.14.9760-33.9-69.2-0.78, -0.550.960.008752804
2025-12-30 04:11:5936-12.8-21.6-14.74.9739-33.7-68.8-0.78, -0.540.950.008752805
2025-12-30 04:13:5937-14.1-21.5-14.95.4831-5.2-22.5-0.39, -0.050.390.008752806
2025-12-30 04:15:5938-14.6-21.9-14.05.6880-4.9-22.6-0.39, -0.040.390.008752807
2025-12-30 04:17:5939-15.5-21.4-13.85.8961-4.9-22.7-0.39, -0.040.390.008752808
2025-12-30 04:19:5940-17.6-23.0-13.86.41092-4.7-22.8-0.39, -0.040.390.008752809

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 )