We report rapid near-infrared observations of GRB 020819. We find that any afterglow was fainter than K'=19 only 9 hrs after the burst. We discuss if extinction...
The Deep Impact Event as Seen from the Roque de Los Muchachos Observatory
The Roque de Los Muchachos Observatory (ORM) played a substantial role in the Deep Impact campaign. Several telescopes were used to follow up comet 9P/Tempel1...
The deep spectrophotometric mosaic of the Orion Nebula. Preliminary results
We present a deep spectrophotometric mosaic of the Orion Nebula obtained with the Potsdam Multi-Aperture Spectrophotometer (PMAS) at Calar Alto Observatory. The...