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- astropy
- asdf-astropy
- astropy-healpix
- astroquery
- ccdproc
- photutils
- regions
- reproject
- specreduce
- specutils
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About
Documentation
- astropy
- asdf-astropy
- astropy-healpix
- astroquery
- ccdproc
- photutils
- regions
- reproject
- specreduce
- specutils
Get Help
Contribute
Affiliated Packages
Team

GitHub

astropy_healpix v1.1.4.dev16+g4afcba894

Installation
Getting started
Coordinate conversions
Pixel corners and edges
Searching for pixels around a position (cone search)
Interpolating values from a HEALPix map
Performance
Healpy-compatible interface
Reference/API

Reference/API
npix2nside

npix2nside#

astropy_healpix.healpy.npix2nside(npix)[source]#: Drop-in replacement for healpy npix2nside.

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nside2npix

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pix2ang

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npix2nside()

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Updated on 12 Jun 2026 , built with Sphinx 9.0.4