The FORS deep field: Field selection, photometric observations and photometric catalog - Heidt, Jochen; Appenzeller, Immo; Möllenhoff, Claus; Szeifert, Thomas; Mehlert, Dörte; Noll, Stefan; Seifert, Walter; Stahl, Otmar; Wagner, Stefan (Astronomy and astrophysics, 2003)
Gesehen am 13.11.2015