Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License

Copyright (c) 2025 StarTeller-CLI Contributors

This work is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike 4.0
International License. To view a copy of this license, visit
http://creativecommons.org/licenses/by-nc-sa/4.0/ or send a letter to Creative Commons,
PO Box 1866, Mountain View, CA 94042, USA.

You are free to:

- Share — copy and redistribute the material in any medium or format
- Adapt — remix, transform, and build upon the material

Under the following terms:

- Attribution — You must give appropriate credit, provide a link to the license, and
  indicate if changes were made. You may do so in any reasonable manner, but not in any
  way that suggests the licensor endorses you or your use.
- NonCommercial — You may not use the material for commercial purposes.
- ShareAlike — If you remix, transform, or build upon the material, you must distribute
  your contributions under the same license as the original.

No additional restrictions — You may not apply legal terms or technological measures that
legally restrict others from doing anything the license permits.

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:

- 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.
