The right ascension (RA) of a point in the sky, using the J2000 equatorial system.
The declination (DEC) of a point in the sky, using the J2000 equatorial system.
An object that contains the 3-letter abbreviation and full name of the constellation that contains the given (ra,dec), along with the converted B1875 (ra,dec) for that point.
Determines the constellation that contains the given point in the sky.
Given J2000 equatorial (EQJ) coordinates of a point in the sky, determines the constellation that contains that point.