We have observed an outburst of the T Tauri star EX Lup in March 1994.
We present both photometric (BVR) and spectroscopic (low and medium r
esolution) observations carried out during the decline after outburst.
The star appears much bluer during outburst due to an increased emiss
ion of a hot continuum. This is accompanied by a strong increase of th
e veiling of photospheric lines. We observe inverse P Cygni profiles o
f many emission lines over a large brightness range of EX Lup. We brie
fly discuss these features towards the model of magnetospherically sup
ported accretion of disk material.