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- Example gallery

# Example gallery

This gallery of examples shows a variety of relatively small snippets or examples of tasks that can be done with the Astropy core package. Contributions from the community are encouraged!

Longer-form tutorials (or tutorials for affiliated packages) belong at https://learn.astropy.org (and can be submitted at the associated github repository).

## astropy.coordinates

General examples of the `astropy.coordinates` subpackage.

Convert a radial velocity to the Galactic Standard of Rest (GSR)

Determining and plotting the altitude/azimuth of a celestial object

Transforming positions and velocities to and from a Galactocentric frame

Create a new coordinate class (for the Sagittarius stream)

## astropy.io

General examples of the `astropy.io` subpackages.

Create a multi-extension FITS (MEF) file from scratch

Create a very large FITS file from scratch

Convert a 3-color image (JPG) to separate FITS images

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