A spiral galaxy is a type of galaxy characterized by a central bulge of old Population II stars surrounded by a rotating disc of younger Population I stars. A spiral galaxy maintains its spiral arms due to density wave theory.
Spiral galaxies
Below is a list of notable spiral galaxies with their own articles. The classification column refers to the galaxy morphological classification used by astronomers to describe galaxy structure.
| Designation | Picture | Classification | Constellation | Apparent Magnitude | 
| Comet Galaxy |   | S | Sculptor | 18.7 | 
| ESO 97-G13, Circinus Galaxy |   | S | Circinus | 11 | 
| ESO 510-G13 |   | Sa: pec sp | Hydra | 13.4 | 
| IC 342 |   | SAB(rs)cd | Camelopardalis | 9.1 | 
| IC 1296 | .jpg)  | SBbc | Lyra | 14.8 | 
| ISOHDFS 27 |   | Sab/Sbc | Tucana | 20.51 | 
| IC 2163 |   | SB(rs)c pec | Canis Major | 11.6 | 
| IC 4970 |   | SA0− pec | Pavo | 12.7 | 
| IC 5332 |   | Sc | Sculptor | 10.72 | 
| LEDA 100170, Dwingeloo 1 | .png) 
 | SB(s)cd | Cassiopeia | 8.3 | 
| M31, Andromeda Galaxy |   | SA(s)b | Andromeda | 4.36 | 
| M33, Triangulum Galaxy |   | SA(s)cd | Triangulum | 6.3 | 
| M51a, Whirlpool Galaxy |   | SA(s)bc pec | Canes Venatici | 9.0 | 
| M58 |   | SAB(rs)b | Virgo | 10.5 | 
| M61 |   | SAB(rs)bc | Virgo | 10.2 | 
| M63, Sunflower Galaxy |   | SA(rs)bc | Canes Venatici | 9.3 | 
| M64, Black Eye Galaxy |   | (R)SA(rs)ab | Coma Berenices | 9.4 | 
| M65 |   | SAB(rs)a | Leo | 10.3 | 
| M66 |   | SAB(s)b | Leo | 9.7 | 
| M74 |   | SA(s)c | Pisces | 9.95 | 
| M77 |   | (R)SA(rs)b | Cetus | 9.6 | 
| M81 |   | SA(s)ab | Ursa Major | 7.9 | 
| M83 |   | SAB(s)c | Hydra | 8.2 | 
| M88 |   | SA(rs)b | Coma Berenices | 10.4 | 
| M90 |   | SAB(rs)ab | Virgo | 10.3 | 
| M91 |   | SBb(rs) | Coma Berenices | 11.0 | 
| M94 |   | SA(r)ab | Canes Venatici | 9.0 | 
| M95 |   | SB(r)b | Leo | 11.4 | 
| M96 |   | SAB(rs)ab | Leo | 10.1 | 
| M98 |   | SAB(s)ab | Coma Berenices | 11 | 
| M99, Coma Pinwheel Galaxy |   | SA(s)c | Coma Berenices | 10.4 | 
| M100 |   | SAB(s)bc | Coma Berenices | 10.1 | 
| M101, Pinwheel Galaxy |   | SAB(rs)cd | Ursa Major | 8.3 | 
| M104, Sombrero Galaxy |   | SA(s)a | Virgo | 9.0 | 
| M106 |   | SAB(s)bc | Canes Venatici | 9.1 | 
| M108 |   | SB(s)cd | Ursa Major | 10.7 | 
| M109 |   | SB(rs)bc | Ursa Major | 10.6 | 
| Maffei 2 |   | SAB(rs)bc | Cassiopeia | 16.0 | 
| Milky Way |   | SB(rs)bc | Sagittarius | N/A | 
| NGC 1 |   | SA(s)b | Pegasus | 13.65 | 
| NGC 2 |   | Sab | Pegasus | +15.0 | 
| NGC 17 | .jpg)  | Sc | Cetus | 15.3 | 
| NGC 47 |  | | SB(rs)bc | Cetus | 13.5 | 
| NGC 247 |   | SAB(s)d | Cetus | 9.9 | 
| NGC 253, Sculptor Galaxy |   | SAB(s)c | Sculptor | 8.0 | 
| NGC 262 |   | S0a | Andromeda | 13.1 | 
| NGC 300 |   | SA(s)d | Sculptor | 9.0 | 
| NGC 514 |   | SAB(rs)c | Pisces | 12.2 | 
| NGC 625 |   | SB(s)m | Phoenix | 11.7 | 
| NGC 772 |   | SA(s)b | Aries | 11.1 | 
| NGC 891 |   | SA(s)b | Andromeda | 10.8 | 
| NGC 1032 |   | S0/a | Cetus | 12.6 | 
| NGC 1042 |   | SAB(rs)cd | Cetus | 14.0 | 
| NGC 1055 |   | SBb:II-III: spindle | Cetus | 11.6 | 
| NGC 1087 |  
 | SAB(rs)c | Cetus | 12.2 | 
| NGC 1090 |   | SB(rs)bc | Cetus[1] | 12.5 | 
| NGC 1097 |   | R'_1:)SB(r'l)bSy1 | Fornax | 10.2 | 
| NGC 1232 |   | SAB(rs)c | Eridanus | 10.9 | 
| NGC 1300 |   | (R')SB(s)bc | Eridanus | 11.4 | 
| NGC 1309 |  
 | SA(s)bc | Eridanus | 12.0 | 
| NGC 1365 |   | (R')SBb(s)b | Fornax | 10.3 | 
| NGC 1398 |   | (R')SB(r)ab | Fornax | 10.6 | 
| NGC 1512 |   | SB(r)ab | Horologium | 11.1 | 
| NGC 1532 | .jpg)  | SB(s)b pec | Eridanus | 10.7 | 
| NGC 1637 |   | SAB(rs)c | Eridanus | 11.5 | 
| NGC 2207 |   | SAB(rs)bc pec | Canis Major | 12.2 | 
| NGC 2403 |   | SAB(s)cd | Camelopardalis | 8.9 | 
| NGC 2442 |   | SAB(s)bc pec | Volans | 11.2 | 
| NGC 2541 |   | SA(s)cd | Lynx[2] | 12.3 | 
| NGC 2683 |   | SA(rs)b | Lynx | 10.6 | 
| NGC 2715 |  
 | SABc | Camelopardalis[3] | 12[4] | 
| NGC 2841 |   | SA(r)b | Ursa Major | 10.1 | 
| NGC 2903 |   | SB(s)d | Leo | 9.7 | 
| NGC 2976 |   | SAc pec | Ursa Major | 10.8 | 
| NGC 2997 |   | SA(s)c | Antlia | 10.1 | 
| NGC 3054 |   | SAB(r)bc | Hydra | 12.6 | 
| NGC 3079 | .jpg)  | SB(s)c | Ursa Major | 11.5 | 
| NGC 3109 |   | SB(s)m | Hydra | 10.4 | 
| NGC 3184 |   | SA(s)b | Ursa Major | 9.6 | 
| NGC 3223 |   | Sb | Antlia | 12 | 
| NGC 3310 |   | SAB(r)bc pec | Ursa Major | 11.2 | 
| NGC 3314 |   | SBbc/SAab | Hydra | 12.5 | 
| NGC 3370 |   | SA(s)c | Leo | 12.3 | 
| NGC 3486 |   | Sb | Leo Minor[5] | 11.0[5] | 
| NGC 3521 |   | SABbc | Leo[5] | 10[5] | 
| NGC 3596 |   | SAB(rs)c | Leo | 12.0 | 
| NGC 3628 |   | SAb pec | Leo | 14.0 | 
| NGC 3642 |   |  | Ursa Major | 10.8 | 
| NGC 3877 |   | Sc | Ursa Major | 12.1 | 
| NGC 3949 |   | SA(s)bc | Ursa Major | 11.5 | 
| NGC 3953 |   | SB(r)bc | Ursa Major | 10.8 | 
| NGC 3981 |  
 |  | Crater | 11 | 
| NGC 3982 |   | SAB(r)b | Ursa Major | 12.0 | 
| NGC 4013 |   | SAb | Ursa Major | 19.2 | 
| NGC 4027 |   | SB(s)dm | Corvus | 11.7 | 
| NGC 4088 |   | SAB(rs)bc | Ursa Major | 11.2 | 
| NGC 4216 |   | SAB(s)b | Virgo | 11.0 | 
| NGC 4314 |   | SBa [6] | Coma Berenices | 11.4 | 
| NGC 4395 |   | SA(s)m | Canes Venatici[5] | 10.6 | 
| NGC 4414 | .jpg)  | SA(rs)c | Coma Berenices | 11.0 | 
| NGC 4565 |   | SA(s)b | Coma Berenices | 10.42 | 
| NGC 4618 |   | SB(rs)m | Canes Venatici | 11.2 | 
| NGC 4625 |   | SAB(rs)m pec | Canes Venatici | 13.2 | 
| NGC 4631 |   | SB(s)d | Canes Venatici | 9.8 | 
| NGC 4725 |   | SAB(r)ab pec | Coma Berenices | 10.1 | 
| NGC 4911 |   | Sb [6] | Coma Berenices | 13.33 | 
| NGC 4945 |   | SB(s)cd | Centaurus | 9.3 | 
| NGC 5001 |   | SB | Ursa Major | 12.82 | 
| NGC 5005 |   | SAB(rs)bc | Canes Venatici | 10.6 | 
| NGC 5033 |   | SA(s)c | Canes Venatici | 10.8 | 
| NGC 5068 |   | SB(s)d | Virgo | 10.5 | 
| NGC 5078 |   | SA(s)a | Hydra | 11.8 | 
| NGC 5091 |   | Sb pec sp | Centaurus | 13.9 | 
| NGC 5164 |   | SBb | Ursa Major | 14.1 | 
| NGC 5257 | .jpg)  | SAB(s)b pec | Virgo | 12.9 | 
| NGC 5258 | .jpg)  | SA(s)b pec | Virgo | 12.9 | 
| NGC 5474 |   | SA(s)cd pec | Ursa Major | 11.3 | 
| NGC 5624 |   | S | Virgo | 14.6 | 
| NGC 5713 |   | SAB(rs)bc pec | Virgo | 12.1 | 
| NGC 5921 |   | SB(r)bc | Serpens Caput | 11.5 | 
| NGC 6744 |   | SAB(r)bc | Pavo | 9.14 | 
| NGC 6745 |   | S | Lyra | 13.3 | 
| NGC 6872 |   | SAB(rs)c | Pavo | 12.7 | 
| NGC 6946 |   | SAB(rs)cd | Cepheus | 9.6 | 
| NGC 7217 |   | (R)SA(r)ab | Pegasus | 11.0 | 
| NGC 7318 |   | SB(s)bc pec | Pegasus | 14.4 / 13.9 | 
| NGC 7329 |   | SBbc | Tucana | 11.31 | 
| NGC 7331 |   | SA(s)b | Pegasus | 10.4 | 
| NGC 7479 |   | SB(s)c | Pegasus | 11.6 | 
| NGC 7742 |   | SA(r)b | Pegasus | 12.4 | 
| NGC 7752 |   | SAB(rs)bc | Pegasus | 12.8 | 
| NGC 7793 |   | SA(s)d | Sculptor | 10.0 | 
| NGC 7814 |   | SA(S)ab | Pegasus | 11.6 | 
| UGC 2885 |   | SA(rs)c | Perseus | 13.5 | 
| UGC 10214, Tadpole Galaxy |   | SB(s)c pec | Draco | 14.4 | 
| UGC 12158 |   | SB | Pegasus | 14.5 | 
See also
References
- ^ Normandin, George (2002). "Barred Spiral Galaxy NGC 1090". Retrieved Dec. 26, 2006
- ^ Matthews, Doug & Betts, Charles (2003). "NGC 2541". Retrieved Dec. 26 2006.
- ^ Frommert, Hartmut. "NGC 2715" Archived 2005-02-22 at the Wayback Machine. Retrieved on December 26, 2006.
- ^ Centre de Données astronomiques de Strasbourg. "VizieR Detailed Page". Retrieved on December 26, 2006.
- ^ a b c d e Celestia version 1.4.1. Laurel, Chris, 2006.
- ^ a b SIMBAD service at Centre de Données astronomiques de Strasbourg. "SIMBAD". Retrieved on April 9, 2013.