This animated sequence comprises 36 images taken with Rosetta's OSIRIS narrow-angle camera on 27-28 June 2014, and shows comet 67P/Churyumov–Gerasimenko spinning with a period of 12.4 hours. On 28 June, about 86,000 km separated the comet and spacecraft.
Image credit: ESA/Rosetta/MPS for OSIRIS Team MPS/UPD/LAM/IAA/SSO/INTA/UPM/DASP/IDA
Note: For more information, see The Comet Takes Shape, One Pixel at a Time! and Comet on 28 June 2014.