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Information for completing the Astronomical League's Lunar and Lunar II observing programs.

Project description

BSD License Supported Python Software Version Github build status Readthedocs status

Information for completing the Astronomical League’s Lunar and Lunar II observing programs.


  • Offer moon information based on location and date/time.


The full documentation is at


0.6.0 (2020-04-07)

  • Drop Python 2 and 3.4 and 3.5 support
  • Add Python 3.7 and 3.8 support
  • Change to 3-clause BSD license
  • Switch to pytest from tox
  • Add Github workflows for build and package upload
  • Remove Travis

0.5.1 (2018-04-20)

  • Add changelog updates

0.5.0 (2018-04-20)

  • LunarFeature additions
    • Latitude and Longitude ranges
    • Feature angle
  • MoonInfo additions
    • Libration phase angle
    • Libration visibility check
    • Updated is_visible to use libration visibility check

0.4.1 (2017-05-30)

  • Corrected moon state after rise/set function call
  • Made landing sites always visible once visible

0.4.0 (2017-05-28)

  • Added landing sites to feature database
  • Expanding LunarFeature content
  • MoonInfo object additions
    • right ascension and declination
    • solar elongation
    • earth distance
    • rise, transit and set times
    • angular size
    • magnitude
    • sub-solar latitude

0.3.1 (2017-05-15)

  • Ensure feature DB included in package

0.3.0 (2017-05-15)

  • MoonInfo object additions
    • time of day
    • is feature visible
  • LunarFeatureContainer object changes
    • Made constructor club related
    • Load call can check if feature is visible using MoonInfo instance

0.2.1 (2017-04-20)

  • Changed mechanism to determine phase name

0.2.0 (2017-04-16)

  • MoonInfo object additions
    • phase name
    • time from new moon
    • time to new moon
    • time to full moon

0.1.0 (2016-07-18)

  • MoonInfo object that provides basic lunar information
    • age
    • altitude
    • azimuth
    • colongitude
    • fractional phase
    • libration latitude
    • libration longitude
    • next four lunar phases

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