Complex sentence: In late 1944 it brightened by 6 magnitudes to about 6.6, and though recorded on survey images, its brightening was not noted until seen at about 6.0 in July 1948, at which time it was given the designation "Nova Telescopium 1948".
Split into simpler sentences: In late 1944 it brightened by 6 magnitudes to about 6.6. Though recorded on survey images, its brightening was not noted until seen at about 6.0 in July 1948, at which time it was given the designation "Nova Telescopium 1948".