The PGC 2631284 galaxy (one of the background galaxies in the UGC 8335 galaxy pair) is a spiral galaxy 1300 million light-years (redshift of 0.1) from Earth in the Ursa Major constellation, and is 100,000 light-years in diameter (same size as the Milky Way), and contains about 100 billion stars (the same number of stars as the Milky Way).
The list of unlikely candidates for the Star Wars galaxy are: ACS-GC 13003331 BFB2004 NGC 4676 1176 BFB2004 NGC 4676 1289 BFB2004 NGC 4676 2934 BFB2004 VV 29 127 BFB2004 VV 29 3094 COSMOS 1161898 ISOHDFS 27 NGC 253 NGC 514 NGC 891 NGC 908 NGC 2770 NGC 3370 NGC 5247 NGC 5364 NGC 6118 NGC 7331 PGC 165514 PGC 169337 PGC 198197 PGC 1175571 PGC 1368199 PGC 1375823 PGC 1442333 PGC 1669768 PGC 1762846 PGC 2416052 PGC 2631284 PGC 3080366 and millions of other spiral galaxies in the universe
Unknown.
Apalapucia (located in the PGC 2416052 galaxy).
UGC 12613 or PGC 71538
Since PGC 1762846 is a barred spiral galaxy 1000 million light years from us, it will take 1000 million years per second for the message to reach its intended designation (and an additional 1000 million years per second for any reply from an alien civilization from the PGC 1762846).
There are several thousand background galaxies behind the PGC 3087775 galaxy (with billions of stars, planets, and moons in each one; as well as asteroids and nebulae. Their light has taken 13 billion years to reach Earth.
There are several thousand background galaxies behind the PGC 6240 galaxy (with billions of stars, planets, and moons in each one; as well as asteroids and nebulae). Their light has taken 13 billion years to reach Earth.
The PGC 1665632 galaxy is a spiral galaxy 2400 million light-years (redshift of 0.2) from Earth in the Leo constellation, and is 170,000 light-years in diameter (1.7 times larger than the Milky Way), and contains about 1 trillion stars (1000 percent stars of the Milky Way's stars).
The PGC 2416052 galaxy is a spiral galaxy 2000 million light-years from Earth (redshift of 0.14) in the Bootes constellation, and is 170,000 light-years in diameter (1.7 times larger than the Milky Way), and contains about 1 trillion stars (1000 percent the number of stars in the Milky Way).
Since PGC 169337 is a spiral galaxy 1200 million light years from us, it will take 1200 million years for the message to reach its intended designation (and an additional 1200 million years for any reply from an alien civilization).
Since PGC 2416052 is a spiral galaxy 2000 million light years from us, it will take 2000 million years for the message to reach its intended designation (and an additional 2000 million years for any reply from an alien civilization).
Since PGC 165514 is a barred spiral galaxy 700 million light years from us, it will take 700 million years for the message to reach its intended designation (and an additional 700 million years for any reply from an alien civilization).