Heng-O Corona is a corona in Guinevere Planitia on the planet Venus at Latitude 2° North, Longitude 355° East. It has a diameter of 1,060 kilometres and is the 2nd largest corona on Venus. (wikipedia entry)
A corona is an oval feature. On Venus they are named after fertility and earth goddesses.
Image Source. Marker locations are approximate and may not always appear to align with image on map.