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[Behrouz Safari](https://behrouzz.github.io/)\u003cbr/\u003e\n**Website:** [AstroDataScience.Net](https://astrodatascience.net/)\u003cbr/\u003e\n\n# Sky Chart\nCreating star charts with python\n\n## Example 1: \n\nLet's create sky chart of Paris at this moment. We want just the stars with apparent magnitude below 5.\n\n```python\nimport skychart as sch\nfrom datetime import datetime\nimport matplotlib.pyplot as plt\n\nt = datetime.now()\nobs_loc = (2.3522, 48.8566)\n\nfig, ax, df = sch.draw(obs_loc, t, mag_max=5, alpha=0.3)\nplt.show()\n```\n\n\n## Example 2: \n\nHere we make the same chart, using the low-level function *draw_chart*. We want only two constellations be drawn (*Ursa Major* and *Cassiopeia*).\n\n```python\nimport skychart as sch\nfrom datetime import datetime\nimport matplotlib.pyplot as plt\n\nt = datetime.now()\nobs_loc = (2.3522, 48.8566)\n\n# Base dataframe\ndf = sch.visible_hipparcos(obs_loc, t)\n\n# DataFrame of stars that will be shown\ndf_show = df[df['Vmag']\u003c5]\n\n# Load constellation data\ndc_const = sch.load_constellations()\n\n# Show only Ursa Major and Cassiopeia constellations\ndc_const = {'UMa': dc_const['UMa'],\n            'Cas': dc_const['Cas']}\n\nfig, ax, df_show = sch.draw_chart(df, df_show, dc_const, alpha=0.3)\nplt.show()\n```","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fbehrouzz%2Fskychart","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fbehrouzz%2Fskychart","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fbehrouzz%2Fskychart/lists"}