What is the fine-grained topic of the following text: In 1998 Osmundsen won the New Hampshire % Percent for Art Competition Award for his Weathervane design "Sighting the Course" to be placed on the Cupola of the newly built Welcome Center, in Seabrook, New Hampshire, on I-95 N.
The 'Ancient Mariner' is sighting an early Sextant or Octant, which the artist researched and examined at Mystic Seaport Museum in Mystic CT. Only return the topic.
Osmundsen's winning the New Hampshire Percent for Art Competition in 1998 for his Weathervane design, "Sighting the Course".