Name: M 51 Type of object: Galaxy Magnitude: 8.4 Size: 9.0'x7.5' Position angle: 163° Position (epoch of date) Right ascension: 13h 29m 52s Declination: +47° 11' 48" Constellation: Canes Venatici Local information Altitude: 57° 16' 17" Azimuth: 280° 22' 10" Transit: 12h 34m 5s Star atlas chart numbers: Herald-Bobroff Astroatlas, Chart C-29 Millennium Star Atlas, Charts 589-590 (Vol II) Sky Atlas 2000.0, Chart 7 Uranometria 2000 Chart 76, Vol 1 Saguaro Astronomy Club v6 Data Names and designations M 51 NGC 5194 Type of object: Galaxy Catalog position for epoch J2000.0 Right ascension: 13h 29m 53.3s Declination: +47° 11' 48" Constellation: Canes Venatici Object information Magnitude: 8.4 Size: 9.0'x7.5' Position angle: 163° Object classification: Sc Description: !!!,Great spiral nebula Notes: PA 163,Whirlpool Gal,interacting pair P(b) at 4',classic spiral
M 52 NGC 7654 Type of object: Open cluster Catalog position for epoch J2000.0 Right ascension: 23h 24m 12.0s Declination: +61° 35' 00" Constellation: Cassiopeia Object information Magnitude: 6.9 Size: 13.0' Number of stars: 200 Magnitude of brightest star: 8.2 Object classification: I 2 r Description: L,Ri,mCM,*9..13 Notes: Messier saw neby there is none
M 53 NGC 5024 Type of object: Globular cluster Catalog position for epoch J2000.0 Right ascension: 13h 12m 55.3s Declination: +18° 10' 09" Constellation: Coma Berenices Object information Magnitude: 7.7 Size: 12.6' Object classification: 5 Description: !B,vC,iR,vvmbM,st 12... Notes: 1 deg NE of Alpha Comae
M 54 NGC 6715 Type of object: Globular cluster Catalog position for epoch J2000.0 Right ascension: 18h 55m 03.3s Declination: -30° 28' 42" Constellation: Sagittarius Object information Magnitude: 7.7 Size: 9.1' Object classification: 3 Description: vB,L,R,g,smbM Notes: * mags 15...
M 55 NGC 6809 Type of object: Globular cluster Catalog position for epoch J2000.0 Right ascension: 19h 39m 59.4s Declination: -30° 57' 44" Constellation: Sagittarius Object information Magnitude: 7.0 Size: 19.0' Object classification: 11 Description: pB,L,R,vRi,vgbM Notes: * mags 15...
M 56 NGC 6779 Type of object: Globular cluster Catalog position for epoch J2000.0 Right ascension: 19h 16m 35.5s Declination: +30° 11' 05" Constellation: Lyra Object information Magnitude: 8.3 Size: 7.1' Object classification: 10 Description: B,L,iR,gvmCM,rrr Notes: Stars 11...
M 57 NGC 6720 PK 63+13.1 Type of object: Planetary nebula Catalog position for epoch J2000.0 Right ascension: 18h 53m 33.4s Declination: +33° 01' 48" Constellation: Lyra Object information Magnitude: 9.0 Size: 1.4'x1.0' Magnitude of central star: 15.4 Object classification: 4(3) Description: Ring neb,B,pL,cE Notes: Ring Nebula,central* var 14 to 16 mag,PK63+13.1
M 58 NGC 4579 Type of object: Galaxy Catalog position for epoch J2000.0 Right ascension: 12h 37m 44.2s Declination: +11° 49' 11" Constellation: Virgo Object information Magnitude: 9.7 Size: 6.0'x5.0' Position angle: 95° Object classification: Sb Description: B,L,iR,vmbM Notes: PA 95,fine compact spiral
