At 2347 you are advised that your assistance is no longer needed. At 2350 you change course to make good 268°T. At 0015 you take the following round of bearings:
Kelsey Point Breakwater light 024°pgc Horton Point Light 100°pgc Falkner Island Light 333°pgc At 0030 Falkner Island Lt. 000°T
What is the course and speed made good between 0015 and 0030?