2-138 is a smaller planetary nebula of magnitude 11.0. NGC 5938 is a remote spiral galaxy around 300 million light-years (90 megaparsecs) away. It is located 5 degrees south of Epsilon Trianguli Australis. ESO 69-6 is a pair of merging galaxies located about 600 million light-years (185 megaparsecs) away. Their contents have been dragged out in long tails by the interaction. In culture Triangulum Australe appears on the flag of Brazil, symbolizing the South Region. It also appears as the only constellation used for the flag of secessionist movement The South Is My Country. See also IAU-recognized constellations Triangulum Australe (Chinese astronomy) References Citations Sources Online sources External links The Deep Photographic Guide to the Constellations: Triangulum Australe Starry Night Photography: Triangulum Australe Southern constellations Constellations listed by Petrus Plancius Dutch celestial cartography in the Age of Discovery Astronomy in the Dutch Republic 1590s in the Dutch Republic