Exoplanet WASP-12b is one of the latest exoplanets that is discovered. It is very exceptional exoplanet. It is largest known exoplanet and it circulates its main star (GSC 1891-1178) ones in just over one day. It has a surface temperature of 2500 Celsius degrees.
The THO research team managed to measure the light curve of the WASP-12b transit 4.1.2009. The team used 10 stars as comparison stars. The exposure time was 60 sec. for each measurement (=picture). The filter was clear.
Observers: Veli-Pekka Hentunen and Markku Nissinen