M31, known as NGC 224 or the Andromeda Galaxy, is a barred spiral galaxy in the constellation Andromeda, discovered in 1764. It’s the nearest major galaxy to the Milky Way at about 2.5 million light-years away, with a diameter of roughly 220,000 light-years and a central supermassive black hole.Apparent magnitude is 3.4. Distance from Earth is 2.5 million light-years.

M101, also known as NGC 5457 or the Pinwheel Galaxy, is a face-on grand design spiral galaxy in the constellation Ursa Major, discovered in 1781. It features prominent spiral arms and spans about 170,000 light-years in diameter. Apparent magnitude is 7.9. Distance from Earth is 21 million light-years.

NGC 5907, known as Knife Edge Galaxy, NGC 5906, and the Splinter Galaxy, is an edge-on spiral galaxy in the constellation Draco, discovered on May 5, 1788. It’s known for its razor-thin disk and vast stellar streams from disrupted satellite galaxies, with a diameter of about 173,000 light-years. Apparent magnitude is 11.1. Distance from Earth is 46.6 million light-years.

IC 4952, also known as PGC 64163, is a spiral galaxy of Hubble type Sa in the constellation Telescopium, and was discovered on October 3, 1901. It lies approximately 189 million light-years from Earth and belongs to the Lyons Groups of Galaxies LGG 429, with a redshift of 0.014260.

Apparent visual magnitude is 13.1, with an angular size of 1.3 by 0.6 arcminutes and surface brightness of 12.7 mag/arcmin². Alternate names include ESO 186-001 and 2MASX J20083763-5527132.