A Flamsteed designation is a combination of a number and constellation name that uniquely identifies most naked eye stars in the modern constellations visible from southern England. They are named aft
Southern hemisphere from a French-language version of Flamsteed's Atlas Coelestis published in 1776
Orion and Taurus from a French-language version of Atlas Coelestis published in 1776
CK Vulpeculae is an object whose exact nature is unknown. It was once considered to be the oldest reliably-documented nova. It consists of a compact central object surrounded by a bipolar nebula.
Flamsteed designation
…Flamsteed observed Uranus in 1690 but did not recognize it as a planet and entered it into his catalogue as a star called "34 Tauri". 11 Vulpeculae was a nova, now known as CK Vulpeculae. Many of them were caused by arithmetic errors made by Flamsteed…
CK Vulpeculae taken by ALMA. Credit: ALMA (ESO/NAOJ/NRAO)/S. P. S. Eyres
Position of the 1670 Nova near Albireo
Radioactive molecules in the remains of a stellar collision.