Astronomy and Space
Astron was a Soviet space telescope launched on 23 March 1983 at 12:45:06 UTC, using the Proton-K rocket. Based on the 4MV spacecraft design and operational for six years, Astron was the largest ultraviolet space telescope of its time.
Habitable Exoplanets Observatory.
174567 Varda.
Text from Wikipedia; plate via Wikimedia Commons. Text CC BY-SA 4.0; plate freely licensed (see Commons). Source record. Images and catalogue data are reproduced from open-access collections.