Collins Electro Optics guide to Messier objects most suited to I3 astronomy

WINTER

Nebulae

Messier # Constellattion Angular size date on meridian*

M42 Orion 66’x60’ 1/30

M43 Orion 20’x15’ 1/30

M78 Orion 8’x6’ 2/1

Globular clusters

M79 Lepus 3’ 1/27

Open clusters

M34 Perseus 18’ 12/17

M35 Gemini 40’ 2/7

M36 Auriga 12’ 1/29

M37 Auriga 24’ 2/2

M38 Auriga 18’ 1/27

M41 Canis Major 32’ 2/17

M45 Taurus 100’ 1/2

M46 Puppis 24’ 3/2

M50 Monoceros 16’ 2/20

M93 Puppis 25’ 3/3

SPRING

Globular clusters

M53 Coma Berenices 4’ 5/25

M68 Hydra 3’ 5/17

Open clusters

M44 Cancer 90’ 3/17

M67 Cancer 15’ 3/20

Galaxies

M49 Virgo 4’x4’ 5/15

M59 Virgo 3’x2’ 5/18

M60 Virgo 4’x3’ 5/18

M64 Coma Berenices 8’x4’ 5/22

M82 Ursa Major 7’x2’ 4/4

Collins Electro Optics Messier objects page 2

Spring galaxies continue.

M84 Virgo 3’x3’ 5/13

M85 Coma Berenices 4’x2’ 5/13

M86 Virgo 4’x3’ 5/14

M87 Virgo 3’x3’ 5/15

M89 Virgo 2’x2’ 5/16

M104 Virgo 7’x2’ 5/17

SUMMER

Nebulae