Diffuse Nebulae (etc.) in Turn Left at Orion (5th edition) Page Name Constellation Type RA Dec Chapter 210 NGC 249 Tucana Nebula 0 H 45.5 min. −73° 5' South 210 NGC 261 Tucana Nebula 0 H 46.5 min. −73° 6' South 189 NGC 281, Pacman Cassiopeia Nebula 0 H 52.8 min. 56° 36' North 210 NGC 346 Tucana Nebula 0 H 59.1 min. −72° 11' South 210 NGC 456 Tucana Nebula 1 H 14.4 min. −73° 17' South 216 NGC 1743 Dorado Nebula 4 H 54.1 min. −69° 12' South 216 NGC 1837 Mensa Nebula 5 H 4.9 min. −70° 43' South 216 NGC 1858 Dorado Nebula 5 H 9.9 min. −68° 54' South 216 NGC 1874 Dorado Nebula 5 H 13.2 min. −69° 23' South 216 NGC 1934 Dorado Nebula 5 H 21.8 min. −67° 58' South 216 NGC 1935 Dorado Nebula 5 H 21.9 min. −67° 58' South 216 NGC 1936 Dorado Nebula 5 H 22.1 min. −67° 59' South 216 NGC 1965 Dorado Nebula 5 H 26.5 min. −68° 48' South 216 NGC 1955 Dorado Nebula 5 H 26.8 min. −67° 30' South 216 NGC 1966 Dorado Nebula 5 H 26.8 min. −68° 49' South 216 NGC 2014 Dorado Nebula 5 H 33.4 min. −67° 38' South 66 M1, Crab Taurus Supernova remnant 5 H 34.5 min. 22° 1' January–March 216 NGC 2048 Dorado Nebula 5 H 35.2 min. −69° 46' South 52 M42, Orion Orion Nebula 5 H 35.3 min. −5° 25' January–March 216 NGC 2032 Dorado Nebula 5 H 35.3 min. −67° 35' South 53 NGC 1980 Orion Nebula 5 H 35.4 min. −4° 54' January–March 216 NGC 2035 Dorado Nebula 5 H 35.5 min. −67° 35' South 52 M43, M42 cmpanio Orion Nebula 5 H 35.6 min. −5° 16' January–March 216 NGC 2060 Dorado Nebula 5 H 37.9 min. −69° 10' South 216 NGC 2070, Tarantula Dorado Nebula 5 H 38.7 min. −69° 6' South 216 NGC 2074 Dorado Nebula 5 H 38.9 min. −69° 29' South 216 NGC 2077 Dorado Nebula 5 H 39.6 min. −69° 40' South 216 NGC 2079 Dorado Nebula 5 H 39.6 min. −69° 47' South 216 NGC 2080 Dorado Nebula 5 H 39.7 min. −69° 39' South 216 NGC 2081 Dorado Nebula 5 H 40.1 min. −69° 24' South 216 NGC 2086 Dorado Nebula 5 H 40.2 min. −69° 40' South 216 NGC 2103 Mensa Nebula 5 H 41.7 min. −71° 20' South 76 Rosette Monoceros Nebula 6 H 30.3 min. 5° 3' January–March 228 NGC 3372, Keyhole Carina Nebula 10 H 45.1 min. −59° 52' South 237 Coal Sack Crux Dark nebula 12 H 50.0 min. −63° 0' South 148 M20, Trifid Sagittarius Nebula 18 H 1.9 min. −23° 2' July–September 146 M8, Lagoon Sagittarius Nebula 18 H 4.7 min. −24° 23' July–September 142 M17, Swan Sagittarius Nebula 18 H 20.8 min. −16° 11' July–September .