Any constellation is a group of stars that appear to form some kind of pattern,
but have no connection with each other. They all happen to be in roughly the
same direction from us, but they're all at different distances. So there's no
such thing as a constellation's distance from us.
LHS 3003 is the closest star to earth from constellation hydra.( 20.67 light years away )
LHS 3003
18 is the stars of the constellation hydra
The longest constellation is called "Hydra".
52.00098 from the earth
Any constellation is a group of stars that appear to form some kind of pattern, but have no connection with each other. They all happen to be in roughly the same direction from us, but they're all at different distances. So there's no such thing as a constellation's distance from us.
Hera had raised the Lernaean Hydra specifically to kill Heracles. She was upset by its defeat and put it in a place of honor among the stars as the constellation Hydra.
Hydra is a constellation made up of many stars. Each star is a different distance from us, so it's impossible to answer how far away it is.
127
Proxima Centauri.
Hydra
the northern hemisphere