... This deep view of the gorgeous island universe includes observations.. Despina, Moon of Neptune . ... Despina is a tiny moon of Neptune. A mere 148 kilometers across, diminutive Despina was discovered in 1989, in images from the Voyager 2 spacecraft taken during its encounter with the solar system's most distant gas giant planet. ... Few cosmic vistas excite the imagination like the Orion Nebula, an immense stellar nursery some 1,500 light-years away. ... The Tadpoles of IC 410 . ...