About


The project was started by Wai-Yin Kwan with the help of JC LESAINT. Dwarfium is a side project to combine their interest in coding, astronomy, and the DWARF II API. To report bugs or view the original code, visit his Github repo.


Data Credits

  • The data for the objects lists comes from several sources.
  • The data about the DSO comes from OpenNGC objects database.
  • Dr. Michael Camilleri, Auckland Astronomical Society, New Zealand, provided object names and sizes for the DSO that are 15 arc minutes or larger.
  • The data about the stars comes from HYG Stellar database.
  • The data about the visual magnitude of planets and Moon comes from Wikipedia.
  • The constellation data comes from Wikipedia.
  • The Jupyter notebooks in the Github repo show the steps I took to transform the raw data into the objects lists.
  • This site uses code from Astronomia and celestialprogramming.com to perform astronomical calculations.

User Data

The information entered by users is stored in the browser's database (localStorage). Since the data is stored in your browser, other users of the site will not be able to access your data. This also means if a user uses multiple browsers or devices, the data cannot be synced between different browsers or devices.


Additional Data Sources

Weather data is pulled from OpenWeather.

RSS feed for deep sky objects is provided by in-the-sky.org.

Witmotion Sensor integration based on LiDLine Node integration.