Original: Notably, an imaging sequence covering an entire orbital period at 4 km resolution taken on November 15, 2004 (soon after 's discovery) failed to recover the object, while it has been seen again later.
Simplified: Notably, an imaging sequence covering an entire orbital period at 4 km resolution taken on 15 November, 2004 (soon after 's discovery) failed to find the object, while it has been seen again later.