Django
License: BSD 3-Clause License
Copyright (c) Django Software Foundation and individual contributors.
https://github.com/django/django/blob/main/LICENSE

django-rest-framework
License: BSD 3-Clause License
Copyright © 2011-present, Encode OSS Ltd.
https://github.com/encode/django-rest-framework/blob/master/LICENSE.md

django-environ
License: MIT License
Copyright (c) 2024-present, Daniele Faraglia
Copyright (c) 2021-2024, Serghei Iakovlev
Copyright (c) 2013-2021, Daniele Faraglia
https://github.com/joke2k/django-environ/blob/develop/LICENSE.txt

gunicorn
License: MIT License
2009-2026 (c) Benoît Chesneau
2009-2015 (c) Paul J. Davis
https://github.com/benoitc/gunicorn/blob/master/LICENSE

asgiref
License: BSD 3-Clause License
Copyright (c) Django Software Foundation and individual contributors.
https://github.com/django/asgiref/blob/main/LICENSE

sqlparse
License: BSD 3-Clause License
Copyright (c) 2016, Andi Albrecht
https://github.com/andialbrecht/sqlparse/blob/master/LICENSE

astropy
License: BSD 3-Clause License
Copyright (c) 2011-2024, Astropy Developers
https://docs.astropy.org/en/latest/license.html

astropy-iers-data
License: BSD 3-Clause License
Copyright (c) 2023, Astropy Developers
https://github.com/astropy/astropy-iers-data/blob/main/LICENSE.rst

numpy
License: BSD 3-Clause License
Copyright (c) 2005-2025, NumPy Developers.
https://github.com/numpy/numpy/blob/main/LICENSE.txt

pyerfa
License: BSD 3-Clause License
Copyright (c) 2011-2023, PyERFA Developers
https://github.com/liberfa/pyerfa/blob/main/LICENSE.rst

PyYAML
License: MIT License
Copyright (c) 2017-2021 Ingy döt Net
Copyright (c) 2006-2016 Kirill Simonov
https://github.com/yaml/pyyaml/blob/main/LICENSE

python-dateutil
License: Apache License 2.0 / BSD 3-Clause License
Copyright 2017- Paul Ganssle
Copyright 2017- dateutil contributors
Copyright (c) 2003-2011 Gustavo Niemeyer
Copyright (c) 2012-2014 Tomi Pieviläinen
Copyright (c) 2014-2016 Yaron de Leeuw
https://github.com/dateutil/dateutil/blob/master/LICENSE

requests
License: Apache License 2.0
Copyright 2019 Kenneth Reitz / Python Software Foundation
https://github.com/psf/requests/blob/main/LICENSE

six
License: MIT License
Copyright (c) 2010-2025, Benjamin Peterson
https://github.com/benjaminp/six/blob/master/LICENSE

JPL DE440 planetary and lunar ephemeris
Source: NASA Jet Propulsion Laboratory (JPL) / NAIF Generic Kernels
Reference: Park, R. S., Folkner, W. M., Williams, J. G., & Boggs, D. H. (2021). The JPL Planetary and Lunar Ephemerides DE440 and DE441.
Data: https://naif.jpl.nasa.gov/pub/naif/generic_kernels/spk/planets/de440.bsp
Reference URL: https://ssd.jpl.nasa.gov/announcements/an20210412a.html

jplephem
License: MIT License
Copyright 2012-2018 Brandon Rhodes ([email protected])
https://github.com/brandon-rhodes/python-jplephem/blob/master/LICENSE.txt

武田考玄（2014）『増補改訂 未来予知学としての四柱推命学入門』秀英社

大学共同利用機関法人 自然科学研究機構 国立天文台
https://www.nao.ac.jp/

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