Peach, the first Brit to win the title, took the shot from the less cloudy shores of Barbados, using specialised equipment.
The image also won the Our Solar System category of the competition, which was announced at a ceremony at London's Royal Observatory in Greenwich, last night. Other categories included Earth and Space, which has to include something earthbound in the composition, Deep Space (images beyond the Solar System) and the Young Astronomy Photographer of the year, which was won by a 15 year old Indian boy with a close-up of the moon during a lunar eclipse.
The judges included The Sky at Night's Sir Patrick Moore and the Royal Observatory's Public Astronomer Dr Marek Kukula.
See all the winners and find out more about the competition head over to the National Maritime Museum website.
Deep Space Winner: Vela Supernova Remnant
By Marco Lorenzi
Earth and Space Winner: Galactic Paradise
By Tunc Tezel
Young Astronomy Photographer of the Year (U16): Lunar Eclipse and Occultation
By Jathin Premjith (age 15)