NGC 6509 is a spiral galaxy in the equatorial constellation of Ophiuchus. It was discovered on July 20, 1879 by the French astronomer Édouard Stephan...

NGC 6782 is a barred spiral galaxy located in the southern constellation of Pavo, at a distance of approximately 173 megalight-years from the Milky Way...

The Little Gem Nebula or NGC 6818 is a planetary nebula located in the constellation of Sagittarius. It has magnitude 10 and oval diameter of 15 to 22...

and periodic outbursts from the massive star Eta Carinae". Nature. 390 (6660): 587. Bibcode:1997Natur.390..587C. doi:10.1038/37558. S2CID 4431077. Chlebowski...