Messier 51

Wikipedia (chū-iû ê pek-kho-choân-su) beh kā lí kóng...
Thiàu khì: Se̍h chāmchhiau-chhoē
Messier 51

Messier 51 (M51, NGC 5194, NGC 5195) sī chi̍t-ê gîn-hô, tī thian-kiû ê só͘-chāi sī Canes Venatici-chō.