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
2025-02-20 Julian Date: 2460727.0002 P = -19.19°    B0 = -7.03°    L0 = 131.7°  Carr# 2294
12:00 UTC Dist. = 0.988 AU    App. Diam. = 1941.6"    Elevation = 31.81° Sunrise  05:59:47 UTC      Sunset  16:37:00 UTC
Sun - Photosphere for 2025-02-20 Sun - Chromosphere for 2025-02-20
KSO Sunspot Drawing 08:30 UTC i 
Side reversed! » Archive
KSO White-light 08:23:10 UTC i 
Synoptic *.jpg  *.fits.gz
Contrast *.jpg  *.fits.gz » Synoptic Archive
Movie    » Full Archive
RI = 150
g = 9
f = 95 		 Observing Log  
 Monthly Summary
 NOAA/SWPC Event List   i
 Hα/GOES Intensity Plot
KSO Hα 08:17:53 UTC i 
Synoptic *.jpg  *.fits.gz
Contrast *.jpg  *.fits.gz » Synoptic Archive
Movie     Flares... » Full Hα Archive
KSO Ca II K 08:17:49 UTC i 
Synoptic *.jpg  *.fits.gz
Contrast *.jpg  *.fits.gz » Synoptic Archive
Movie     » Full Ca II K Archive
KSO Prominences 08:37:42 UTC
» Synoptic Archive   i 
KSO Hα Blue Wing
» Synoptic Archive   i 
« 2025-02-19 « 1 Month 2025-02-20 1 Month » 2025-02-21 »
     Panorama: 2025-02-20 12:00 (UTC)
Since 01.01.2025: 1504899 Visits / 8188826 Clicks
» Data Policy » KSO Homepage » Astrophysics and Geophysics » University of Graz     Contact