The incident happened on January 29, 2014 and was transmitted by NASA’s live camera feed of the ISS which is made freely available on the internet to the general public on Ustream. The live camera feed was recorded and part of it was initially uploaded to Youtube by the user Streetcap1 on January 29. After requests by users to see the full camera feed, Streetcap1 uploaded all that was recorded yesterday, February 5.
The full video shows that the UFO was stationary and appeared to be docked with the ISS. The UFO is seen clearly in relation to the ISS thereby allowing for an accurate estimate of its size. One estimate was 10 meters in length. While the earth slowly rotates, the UFO remains stationary suggesting it is not a lensflare, glare, reflected image or other kind of camera anomaly. A schematic of the ISS (see attached picture) shows the UFO was docked between the Soyuz escape module and the Russian research and service module. If a UFO was to dock with the ISS, this would be one of the five active docking locations where it could so in order for personnel to be transferred on to the ISS.