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Neloura

Neloura is a local web application for opening, visualizing, and analyzing astronomical FITS images.

Install the package with pip:

python -m pip install -U neloura
neloura
neloura path/to/image.fits

It can also be used inside Jupyter:

import neloura

neloura.open_fits("path/to/image.fits")

In Jupyter, open_fits() starts a local Neloura server and displays the full app in an iframe below the notebook cell. Outside Jupyter, it opens the app in a browser tab.

On JupyterHub-style remote notebook servers, Neloura automatically uses the notebook server proxy when JUPYTERHUB_SERVICE_PREFIX (or NB_PREFIX) is available, so the same calls work from a browser connected to a remote kernel:

import neloura

neloura.open_app()
neloura.open_fits("path/on/server/image.fits")

If /proxy/<port>/ returns 404 in the browser, the hub image does not have jupyter-server-proxy enabled. Neloura cannot embed in an iframe until that is installed, or you use SSH port forwarding from your laptop to reach http://127.0.0.1:<port>/.

Development Install

From the repository root:

python -m pip install -e ".[notebook]"
python main.py

On shared notebook servers where the system Python is not writable, install into the user environment:

python -m pip install --user -U neloura

Build

python -m pip install -U build twine
python -m build
twine check dist/*

Metadata

Release files for neloura 0.1.53

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neloura-0.1.53-py3-none-any.whl Python 3 none any Details

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