Telescope Data Center Harvard Plate Collection Harvard-Smithsonian Center for Astrophysics
Scanning the Harvard University Plate Stacks

Central Square degree of M44 with PPM Catalog overplotted

Click here to see the entire plate
Click here to see the core of M44 without stars
Click here to see the core of M44 without labels
Click here to see the full plate of the M44 open cluster

M44 with labelled PPM stars

[Plate Scanning Project]