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)

Detector 24h operating status:

Last processed image:    
   0 hours and 19 minutes ago (2026-04-20 06:48 UTC)
Last detected dimming:
   12 hours and 36 minutes ago (2026-04-19 18:30 UTC)

Filters (location)
   All locations
   On-disc
   -- Off-disc
Filters (intensity)
   -- All intensities
   At least -100K
   At least -300K
   At least -900K
Filters (time)
   -- Last 7 days
   Last 14 days
Dimming 15450

Overview of dimmings
intensitystartpeakend#max
drop
latlondist.
R☉
ARcountflare

April, 2026
13
-72
18:4818:5119:1815433651.0216
13
-66
18:1818:1818:4215432501.0314
13
-132
14:1814:1815:0615431481.1422
B2

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 )