M 41 NGC 2287 Type of object: Open cluster Catalog position for epoch J2000.0 Right ascension: 06h 47m 00.0s Declination: -20° 44' 00" Constellation: Canis Major Object information Magnitude: 4.5 Size: 38.0' Number of stars: 80 Magnitude of brightest star: 6.9 Object classification: II 3 m Description: Cl,vL,B,lC,st 8... Notes: 150 members to 13 mag,orange * near center
M 42 NGC 1976 Type of object: Cluster with nebulosity Catalog position for epoch J2000.0 Right ascension: 05h 34m 54.0s Declination: -5° 32' 00" Constellation: Orion Object information Magnitude: 4.0 Size: 45.0'x45.0' Object classification: E+R Description: !!!,Theta Orionis and the great nebula M42 Notes: Trapezium* 6.7-7.7m,>50 var* invl,M 43 to NE
M 43 NGC 1982 Type of object: Bright nebula Catalog position for epoch J2000.0 Right ascension: 05h 35m 30.0s Declination: -5° 16' 00" Constellation: Orion Object information Magnitude: 9.0 Size: 20.0'x15.0' Object classification: E+R Description: !,vB,vL,R w tail,mbM*8 Notes: H III 1 ?,detached part of Orion Nebula
M 44 NGC 2632 Type of object: Open cluster Catalog position for epoch J2000.0 Right ascension: 08h 40m 06.0s Declination: +19° 59' 00" Constellation: Cancer Object information Magnitude: 3.1 Size: 95.0' Number of stars: 50 Magnitude of brightest star: 6.3 Object classification: II 2 m Description: !!Praesepe Notes: Beehive,200 memb to 14 mag
M 45 Mel 22 Type of object: Cluster with nebulosity Catalog position for epoch J2000.0 Right ascension: 03h 47m 00.0s Declination: +24° 07' 00" Constellation: Taurus Object information Magnitude: 1.2 Size: 100.0' Number of stars: 100 Magnitude of brightest star: 2.9 Object classification: I 3 r n Description: vvB,vL,brilliant naked eye cluster,neb inv Notes: Pleiades,nebys NGC 1432 and 1435 involved
M 46 NGC 2437 Type of object: Open cluster Catalog position for epoch J2000.0 Right ascension: 07h 41m 48.0s Declination: -14° 49' 00" Constellation: Puppis Object information Magnitude: 6.1 Size: 27.0' Number of stars: 100 Magnitude of brightest star: 8.7 Object classification: III 2 m Description: !,Cl,vB,vRi,vL Notes: PLNNB NGC 2438 on N edge,150 * 10-13 mag
M 47 NGC 2422 Type of object: Open cluster Catalog position for epoch J2000.0 Right ascension: 07h 36m 36.0s Declination: -14° 30' 00" Constellation: Puppis Object information Magnitude: 4.4 Size: 30.0' Number of stars: 30 Magnitude of brightest star: 5.7 Object classification: III 2 m Description: Cl,B,vL,pRi,st L & S Notes: H VIII 38,Messier gave poor postion,Struve 1121 & 1120 invl
M 48 NGC 2548 Type of object: Open cluster Catalog position for epoch J2000.0 Right ascension: 08h 13m 48.0s Declination: -5° 48' 00" Constellation: Hydra Object information Magnitude: 5.8 Size: 54.0' Number of stars: 80 Magnitude of brightest star: 8.2 Object classification: I 2 m Description: Cl,vL,pRi,pmC,* 9..13 Notes: Messier wrong position by 4 deg in dec,50* 9-13mag,H VI 22
M 49 NGC 4472 Type of object: Galaxy Catalog position for epoch J2000.0 Right ascension: 12h 29m 46.5s Declination: +7° 59' 58" Constellation: Virgo Object information Magnitude: 8.4 Size: 8.0'x7.0' Position angle: 155° Object classification: E4 Description: vB,L,R,mbM,r Notes: PA 155,NGC 4467 @ 4.2',NGC 4470 @ 10.5',NGC 4465 @ 5.8'
M 50 NGC 2323 Type of object: Open cluster Catalog position for epoch J2000.0 Right ascension: 07h 03m 12.0s Declination: -8° 20' 00" Constellation: Monoceros Object information Magnitude: 5.9 Size: 16.0' Number of stars: 80 Magnitude of brightest star: 7.8 Object classification: II 3 m Description: Cl,vL,Ri,pC Notes: About 100 stars mags 9...14
