The evening was planned by local visual artist Len Shelley who has been working with children on the subject of journeys and explorations - both real, historical exploration and personal exploration of the imagination.
Children have made model boats and maps of imaginary lands and Len also organised a daytime nature walk along the banks of the River Rother.
The project was funded by Creative Partnerships, Hastings and East Sussex, which aims to develop the aspirations, potential and creativity of young people across the county.
Children observed stars through telescopes by courtesy of The Sussex Astronomical Society and with help from artists and telescope owners Rebecca Marshall and Nicola Bruce. The children also made drawings in the sand and sculptures.
Dawn Eldridge, Year4 teacher and co-ordinator with Creative Partnerships, said: "The children were able to view Saturn and its rings as well as Jupiter complete with four of its moons and a fantastic image of our moon.
"The weather was most kind and a big thanks to ESAS and all the children and parents who helped make the evening so much fun. We hope to have more of these kind of events over the coming months."
Justin Cole and John Knowles from Don't Feed The Poets, had also been working with the children, reading stories and helping them write messages on postcards and helium balloons which were launched into the night sky.
Len Shelley said: "The star gazing evening was conceived as a chance to bring everyone together for an evening of inspiring activities out of school. As a child I always loved staring into the night sky looking for constellations and dreaming of what might be out there, so I hoped we could invoke some of this magic among the Year 4 children."