logo kso logo uni graz
 Live Data
 » Latest Images
 » Latest Hα (ESA SSA)
 » Flare Monitoring (live)
 Synoptic Data
 » Daily Overview
 » Two Weeks Photosphere
 » Two Weeks Chromosphere 
 » Sunspot Numbers
 » Sunspot Drawings
 » Hα
 » White-light
 » CaIIK
 » Filaments
 » Synoptic Maps
 Full Data Archive
 » Archive / Ftp-Server / Local
 » Fast Mirror Archive / Graz
 Archive Database Search
 » Observation Database
 » KSO Sunspots
 » NOAA Active Regions
 » Flares
 » Filaments
 » KSO observing logs
 Misc.
 » Solar Ephemeris
 » NOAA Solar Region Data
2026-05-21 Julian Date: 2461182.0001 P = -19.04°    B0 = -1.95°    L0 = 246.4°  Carr# 2311
12:00 UTC Dist. = 1.012 AU    App. Diam. = 1897.0"    Elevation = 60.94° Sunrise  03:23:36 UTC      Sunset  18:39:02 UTC
Sun - Photosphere for 2026-05-21 Sun - Chromosphere for 2026-05-21
KSO Sunspot Drawing 07:20 UTC i 
Side reversed! » Archive
KSO White-light 07:05:33 UTC i 
Synoptic *.jpg  *.fits.gz
Contrast *.jpg  *.fits.gz » Daily Images/Movies
Movie    » White-light Archive
RI = 80
g = 6
f = 26 		 Observing Log  
 Monthly Summary
 NOAA/SWPC Event List   i
 Hα/GOES Intensity Plot
KSO Hα 07:09:31 UTC i 
Synoptic *.jpg  *.fits.gz
Contrast *.jpg  *.fits.gz » Daily Images/Movies
Movie     » Hα Archive
KSO Ca II K 07:10:53 UTC i 
Synoptic *.jpg  *.fits.gz
Contrast *.jpg  *.fits.gz » Daily Images/Movies
Movie     » Ca II K Archive
KSO Prominences 11:12:54 UTC   i
» Daily Images
KSO Hα Blue Wing 07:10:45 UTC   i
» Archive   » Daily Images/Movies
« 2026-05-20 « 1 Month 2026-05-21 2026-05-22 »
     Panorama: 2026-05-21 12:00 (UTC)
Since 01.01.2026: 602259 Visits / 9579326 Clicks
» Data Policy » KSO Homepage » Astrophysics and Geophysics » University of Graz     Contact