This picture of NGC 3521 (the Bubble galaxy) was selected as the backdrop image for the official ISS Expedition 30 crew portrait. Click here for an portrait of the astronauts that launched aboard the Russian Soyuz TMA-22, November 2011.

This portrait features (seated in the front row from left to right) NASA astronaut Dan Burbank, commander; and Russian cosmonaut Oleg Kononenko, flight engineer. Behind them are (standing in the back row from left to right) Russian cosmonauts Anton Shkaplerov and Anatoly Ivanishin; European Space Agency astronaut Andre Kuipers and NASA astronaut Don Pettit, who serve as flight engineers. Image credit: NASA and International Space Station partners