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 14470
Detector 24h operating status:

Last processed image:    
   0 hours and 24 minutes ago (2026-03-11 08:21 UTC)
Last detected dimming:
   5 hours and 24 minutes ago (2026-03-11 03:21 UTC)


Overview for dimming #:
   14470           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

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Details for dimming #: 14470          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-11-22 00:09:112-32.5-30.4-12.310.81848-43.6-43.6-0.51, -0.710.880.003594170
2025-11-22 00:12:113-39.4-33.2-12.514.42191-43.2-43.9-0.51, -0.710.870.003594171
2025-11-22 00:15:114-48.1-36.9-13.216.72523-43.4-44.1-0.51, -0.710.881.823594172
2025-11-22 00:18:115-54.7-44.0-14.117.82651-43.0-44.5-0.52, -0.710.881.943594173
2025-11-22 00:21:116-65.6-50.4-13.719.83109-42.7-45.1-0.53, -0.700.881.793594174
2025-11-22 00:24:117-90.0-66.8-12.341.64608-42.5-45.0-0.53, -0.700.882.733594178
2025-11-22 00:27:118-101.6-75.6-12.844.95026-42.5-45.0-0.53, -0.700.882.383594179
2025-11-22 00:30:119-113.7-79.0-13.447.65366-42.5-45.2-0.53, -0.700.882.133594180
2025-11-22 00:33:1110-123.4-85.9-13.549.25597-42.5-45.2-0.53, -0.700.881.723594181
2025-11-22 00:36:1111-133.2-87.3-14.050.45760-42.7-45.0-0.53, -0.700.8810.853594190
2025-11-22 00:39:1112-145.0-93.4-14.551.56021-42.9-45.0-0.52, -0.710.881.733594191
2025-11-22 00:42:1113-158.2-110.4-15.054.16309-43.0-45.2-0.52, -0.710.881.533594192
2025-11-22 00:45:1114-183.9-119.3-14.961.07337-43.0-46.4-0.54, -0.710.891.353594193
2025-11-22 00:48:1115-198.0-126.2-15.164.47760-43.0-46.5-0.54, -0.710.892.563594194
2025-11-22 00:51:1116-208.9-134.2-15.566.17929-43.0-46.6-0.54, -0.710.892.093594197
2025-11-22 00:54:1117-217.9-143.1-15.767.08030-43.1-46.8-0.54, -0.710.891.333594198
2025-11-22 00:57:1118-235.1-148.7-16.168.78316-43.2-47.3-0.54, -0.710.891.153594199
2025-11-22 01:00:1119-245.9-164.1-16.569.88460-43.3-47.3-0.54, -0.710.891.343594202
2025-11-22 01:03:1120-254.1-166.4-16.671.28663-43.3-47.2-0.54, -0.710.891.763594211
2025-11-22 01:06:1121-269.2-187.1-17.072.18884-43.5-47.2-0.54, -0.710.891.543594212
2025-11-22 01:09:1122-277.0-195.1-17.472.78931-43.7-47.2-0.54, -0.710.890.923594213
2025-11-22 01:12:1123-289.2-209.8-17.773.39117-43.8-47.4-0.54, -0.720.900.003594214
2025-11-22 01:15:1124-295.0-209.9-17.873.49179-43.8-47.5-0.54, -0.720.900.003594215
2025-11-22 01:18:1125-298.1-212.2-17.872.49211-43.8-47.4-0.54, -0.720.900.003594216
2025-11-22 01:21:1126-310.7-217.2-17.972.29323-43.9-47.7-0.54, -0.720.900.003594217
2025-11-22 01:24:1127-319.6-226.5-18.273.69511-44.0-47.6-0.54, -0.720.900.003594218
2025-11-22 01:27:1128-350.3-230.6-18.474.010570-44.2-47.9-0.54, -0.720.900.003594219
2025-11-22 01:30:1129-348.1-232.3-19.374.49672-44.4-48.0-0.54, -0.720.900.003594222
2025-11-22 01:33:1130-391.0-233.0-19.775.111535-44.4-48.1-0.54, -0.720.902.253594225
2025-11-22 01:36:1131-403.8-237.5-19.875.211775-44.5-48.1-0.54, -0.730.902.603594226
2025-11-22 01:39:1132-416.3-238.2-19.576.211969-44.6-48.2-0.54, -0.730.901.183594233
2025-11-22 01:42:1133-434.1-243.6-19.775.712298-44.8-48.2-0.54, -0.730.900.003594234
2025-11-22 01:45:1134-448.3-245.6-20.276.612430-44.8-48.2-0.53, -0.730.900.003594235
2025-11-22 01:48:1135-459.7-243.6-20.576.912570-44.7-48.3-0.54, -0.730.900.003594236
2025-11-22 01:51:3536-468.7-244.5-20.577.012799-44.5-48.3-0.54, -0.730.900.003594237
2025-11-22 01:54:1137-481.9-249.9-20.377.613030-44.5-48.3-0.54, -0.730.900.003594238
2025-11-22 01:57:1138-490.1-250.1-20.278.013188-44.3-48.3-0.54, -0.720.900.003594239
2025-11-22 02:00:1139-501.6-254.1-20.678.513378-44.4-48.4-0.54, -0.720.900.003594241
2025-11-22 02:03:1140-511.6-257.0-20.677.513359-44.6-48.5-0.54, -0.730.900.003594242

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 )