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
2026-04-03 Julian Date: 2461134.0005 P = -26.20°    B0 = -6.42°    L0 = 160.6°  Carr# 2309
12:00 UTC Dist. = 0.999 AU    App. Diam. = 1920.3"    Elevation = 47.18° Sunrise  04:40:13 UTC      Sunset  17:35:57 UTC
Sun - Photosphere for 2026-04-03 Sun - Chromosphere for 2026-04-03
KSO Sunspot Drawing 07:45 UTC i 
Side reversed! » Archive
KSO White-light 06:26:11 UTC i 
Synoptic *.jpg  *.fits.gz
Contrast *.jpg  *.fits.gz » Daily Images/Movies
Movie    » White-light Archive
RI = 137
g = 8
f = 47 		 Observing Log  
 Monthly Summary
 NOAA/SWPC Event List   i
 Hα/GOES Intensity Plot
KSO Hα 06:50:02 UTC i 
Synoptic *.jpg  *.fits.gz
Contrast *.jpg  *.fits.gz » Daily Images/Movies
Movie     Flares... » Hα Archive
KSO Ca II K 06:49:29 UTC i 
Synoptic *.jpg  *.fits.gz
Contrast *.jpg  *.fits.gz » Daily Images/Movies
Movie     Flares... » Ca II K Archive
KSO Prominences 06:26:42 UTC   i
» Daily Images
KSO Hα Blue Wing 06:26:04 UTC   i
» Archive   » Daily Images/Movies
« 2026-04-02 « 1 Month 2026-04-03 2026-04-04 »
     Panorama: 2026-04-03 12:00 (UTC)
Since 01.01.2026: 387180 Visits / 7444252 Clicks
» Data Policy » KSO Homepage » Astrophysics and Geophysics » University of Graz     Contact