text: At most oppositions , Hygiea has a magnitude of around +10.2 , which is as much as four orders fainter than Vesta , and will require at least a 4 i telescope to resolve .
simplified: At most oppositions , Hygiea has a magnitude of around +10.2 , which is as much as four orders fainter than Vesta , and will need at least a 4-inch telescope to resolve .