Original sentence: A period of only six months elapsed between Shackleton’s first public announcement, on 12 February 1907, and the departure of Nimrod from British waters on 7 August.Before its departure the expedition's public profile was much lower than that of Scott’s six years earlier, but public interest was heightened by its achievements
Edited sentence: Despite these handicaps, and with a much lower public profile than that of Scott’s expedition six years earlier, the Nimrod Expedition achieved impressive results.Preparations were extremely hurried, a period of only six months elapsing between Shackleton’s first public announcement, on 12 February 1907, and the departure of Nimrod from British waters on 7 August