MIT License

Copyright (c) 2025 StarTeller-CLI Contributors

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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DATA LICENSE

The astronomical catalog data used by this software is sourced from the OpenNGC
project (https://github.com/mattiaverga/OpenNGC) and is licensed under the
Creative Commons Attribution-ShareAlike 4.0 International License (CC-BY-SA-4.0).

OpenNGC License Terms:

- Copyright (c) Mattia Verga and OpenNGC contributors
- License: CC-BY-SA-4.0 (https://creativecommons.org/licenses/by-sa/4.0/)
- Source: https://github.com/mattiaverga/OpenNGC
- Database files: NGC.csv and associated catalog data

Attribution Requirements:
When using or redistributing this software, you must:

1. Provide attribution to the OpenNGC project and Mattia Verga
2. Include a link to the OpenNGC repository
3. Indicate if changes were made to the catalog data
4. Share any derivative works under the same CC-BY-SA-4.0 license

For full CC-BY-SA-4.0 license terms, see: https://creativecommons.org/licenses/by-sa/4.0/

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THIRD-PARTY DEPENDENCIES

This software uses the following third-party libraries, each with their own licenses:

- Skyfield: MIT License (https://github.com/skyfielders/python-skyfield)
- Pandas: BSD 3-Clause License (https://github.com/pandas-dev/pandas)
- NumPy: BSD 3-Clause License (https://github.com/numpy/numpy)
- PyTZ: MIT License (https://github.com/stub42/pytz)
- TimezoneFinder: MIT License (https://github.com/jannikmi/timezonefinder)
- tqdm: MIT License (https://github.com/tqdm/tqdm)

Please refer to each library's respective repository for their full license terms.
