Input (grade 13): This method of designating stars first appeared in a preliminary version of John Flamsteed's Historia Coelestis Britannica which was published by Edmond Halley and Isaac Newton in 1712 without Flamsteed's approval.
Output (grade 12): This method first appeared in John Flamsteed's Historia Coelestis Britannica, a book that was published by Edmond Halley and Isaac Newton together in 1712.