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A handy python package to do plotting on a face-on/edge-on/allsky map milkyway with matplotlib and bokeh

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mw-plot handy python package to do plotting on a face-on/edge-on milkyway/skymap with matplotlib ( for static plots or bokeh ( for interactive plots (bokeh module under develop).

You can set the center and radius of the plot anywhere on a milkyway galaxy image with galactic or galactocentric coordinates.

Both MW_bg_annotate.jpg and MW_bg_unannotate.jpg are modified from an images by NASA/JPL-Caltech/R. Hurt (SSC/Caltech) Both images are 5600x5600px with resolution of 24.2 light years per pixel.

MW_edgeon_edr3_unannotate.jpg is modified from an images by ESA/Gaia/DPAC. The image is 6500x3250px with resolution of 15.38 light years per pixel generated by ESA Gaia eDR3.

mw_plot will fill pixels for region outside the pre-compiled images. No acknowledgement to mw_plot is required if you generate plots for your non-commerical publication, but you must acknowledgement the origin of the background images provided above.

Documentation is migrated to


  • Henry Leung - Initial work and developer - henrysky
    Department of Astronomy & Astrophysics, University of Toronto
    Contact Henry: henrysky.leung [at]


This project is licensed under the MIT License - see the LICENSE file for details

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