Solitary Islands Marine Park spp"), as well as sacred kingfishers ("Todiramphus sanctus"), are regularly seen in the estuaries. Around 30 species of marine mammals have been recorded in the region, including the Short-beaked common dolphin ("Delphinus delphis") and bottlenose dolphin ("Tursiops truncates") who are residents throughout the year. Of particular interest in the Marine Park and Reserve are those species listed as threatened and subject to national and international conventions. These mammals include humpback whales ("Megaptera novaeangliae"), who are commonly encountered in the area as they migrate north to their breeding grounds in June and July, and then again between September and November when
Delphinus bounds of the constellation since 1992. HR Delphini was a nova that brightened to magnitude 3.5 in December 1967. A nova was discovered by amateur astronomer Koichi Itagaki, Nova Delphini 2013. Giants within our galaxy in Delphinus aside from Delta, Gamma and Epsilon include: Its rich Milky Way star field means many modestly deep-sky objects. NGC 6891 is a planetary nebula of magnitude 10.5; another is NGC 6905 or the Blue Flash nebula. NGC 6934 is a globular cluster of magnitude 9.75. At a distance of about 185,000 light-years, the globular cluster NGC 7006 is at the outer reaches of