Dso
DsoEncoder
get()
getNeighbors()
getSeparation()
listObjects()
nearby()
printDetails()
_distance()
_limiting_coords()
_queryFetchOne()
_queryFetchMany()
_recognize_name()
_str_to_coords()
all()
clusters()
galaxies()
nebulae()
InvalidCoordinates
ObjectNotFound
UnknownIdentifier