Whale observation data was collected abroad polish trawler Dalmor II that fished Antarctic krill in the CCAMLR statistical area 48. Observation details, group size, behavioral specific details were fixed. Also photo material was collected. There were 50 sightings of at least 280 individuals from March to July 2011. Vast majority sightings (90%) were minke whales (Balaenoptera bonaerensis). Also humpback whales (Megaptera novaeangliae) were recorded.