It was first seen by scientists in pictures taken by the Cassini-Huygens probe on October 28, 2004, and announced on 8 November that year. It appears to be the best tracked object in this area with at least five possible sightings in the period till late 2005. In comparison, two objects in the F ring's area ( and ) that were first seen months earlier have not been found again. An imaging sequence covering an entire orbital period at 4 km resolution taken on 15 November 2004, soon after it was discovered did not find the object, while it has been seen again later. The lighting conditions in 's part of the orbit were different during these two sightings. The discovery was made when the area was strongly backlit by the sun. 's visibility may be primarily due to a diffuse cloud of fine dust that is much brighter in forward scattered light (the conditions of the discovery image), and that the solid core (if any) is small.
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