Instruction manual

The Messier Catalog76
Object Abbreviations:
• Sp. Gx. Spiral Galaxy
• El. Gx. Elliptical Galaxy
• Ir. Gx. Irregular Galaxy
• Op. Cl. Open Cluster
• Gl. Cl. Globular Cluster
• D. Neb. Diffuse Nebula
• P. Neb. Planetary Nebula
NOTE: All coordinates for the objects in the Messier catalog are listed in epoch 2000.00.