NGC 2360 is an open cluster in the constellation Canis Major. It was discovered on 26 February 1783 by Caroline Herschel, who described it as a "beautiful cluster of pretty compressed stars near 1/2 degree in diameter". Her notes were overlooked until her brother William included the cluster in his 1786 catalogue of 1000 clusters and nebulae and acknowledged her as the discoverer. The cluster lies 3.5 degrees east of Gamma Canis Majoris and less than one degree northwest of the eclipsing binary star R Canis Majoris; it has a combined apparent magnitude of 7.2. It is 13 arc minutes in diameter. By the western edge of the cluster is the unrelated star, 5.5-magnitude HD 56405.
Arp 273 is a pair of interacting galaxies, 300 million light years away in the constellation Andromeda. It was first described in the Atlas of Peculiar Galaxies, compiled by Halton Arp in 1966. The larger of the spiral galaxies, known as UGC 1810, is about five times more massive than the smaller galaxy. It has a disc that is tidally distorted into a rose-like shape by the gravitational pull of the companion galaxy below it, known as UGC 1813. The smaller galaxy shows distinct signs of active star formation at its nucleus, and "it is thought that the smaller galaxy has actually passed through the larger one."
NGC 146 is a small open cluster in the constellation Cassiopeia. It was discovered by John Herschel in 1829 using his father's 18.7 inch reflecting telescope.
NGC 199 is a lenticular galaxy located in the constellation Pisces. It was discovered on September 24, 1862, by Heinrich Louis d'Arrest.
NGC 222 is an open cluster located approximately 210,000 light-years from the Sun in the Small Magellanic Cloud. It is located in the constellation Tucana. It was discovered on August 1, 1826 by James Dunlop.
NGC 229 is a lenticular galaxy located in the constellation Andromeda. It was discovered on October 10, 1879, by Édouard Stephan.
NGC 270 is a lenticular galaxy in the constellation Cetus. It was discovered on December 10, 1798 by William Herschel.
NGC 274 is a lenticular galaxy in the constellation Cetus. It is a pair of galaxies, the other being NGC 275, which it is currently interacting with. It was discovered on September 10, 1785 by William Herschel. It is roughly 120 million light-years away.
NGC 337 is a barred spiral galaxy in the constellation Cetus. It was discovered on September 10, 1785 by William Herschel. It was described by Dreyer as "pretty faint, large, extended, gradually a little brighter middle, 10th magnitude star 21 seconds of time to the east."
NGC 349 is a lenticular galaxy in the constellation Cetus. It was discovered on September 27, 1864 by Albert Marth. It was described by John Louis Emil Dreyer as "very faint, very small."
NGC 350 is a lenticular galaxy in the constellation Cetus. It was discovered on September 27, 1864 by Albert Marth. It was described by Dreyer as "extremely faint."
NGC 353 is a spiral galaxy in the constellation Cetus. It was discovered on November 10, 1885 by Lewis Swift. It was described by Dreyer as "extremely faint, pretty small, round, southeastern of 2.", the other being NGC 351.
NGC 357 is a barred lenticular or spiral galaxy in the constellation Cetus. It was discovered on September 10, 1785, by William Herschel. It was described by Dreyer as "faint, small, irregularly round, suddenly brighter middle, 14th magnitude star 20 arcsec to northeast."
NGC 366 is an open cluster located in the constellation Cassiopeia. It was discovered on October 27, 1829, by John Herschel. It was described by Dreyer as a "cluster, small."
NGC 387 is an elliptical galaxy located in the constellation Pisces. It was discovered on December 10, 1873 by Lawrence Parsons. It was described by Dreyer as "very faint, small, round." Along with galaxies NGC 375, NGC 379, NGC 382, NGC 383, NGC 384, NGC 385, NGC 386 and NGC 388, NGC 387 forms a galaxy cluster called Arp 331.
NGC 6453 is a globular cluster approximately 37,000 light-years away from Earth in the constellation of Scorpius.
NGC 6975, also known as NGC 6976, is a spiral galaxy in the constellation Aquarius. The object was discovered on 12 July 1864 by the German astronomer Albert Marth.
NGC 720 is an elliptical galaxy located in the constellation Cetus. It is located at a distance of circa 80 million light years from Earth, which, given its apparent dimensions, means that NGC 720 is about 110,000 light years across. It was discovered by William Herschel on October 3, 1785. The galaxy is included in the Herschel 400 Catalogue. It lies about three and a half degrees south and slightly east from zeta Ceti.
NGC 2004 is an open cluster of stars in the southern constellation of Dorado. It was discovered by Scottish astronomer James Dunlop on September 24, 1826. This is a young, massive cluster with an age of about 20 million years and 23,000 times the mass of the Sun. It has a core radius of 2.85 ± 0.46 pc (9.3 ± 1.5 ly). NGC 2004 is a member of the Large Magellanic Cloud, which is a satellite galaxy of the Milky Way.
NGC 931 is a spiral galaxy located in the constellation Triangulum. It is located at a distance of circa 200 million light-years from Earth, which, given its apparent dimensions, means that NGC 931 is about 200,000 light years across. It was discovered by Heinrich d'Arrest on September 26, 1865. It is classified as a Seyfert galaxy.
