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JuliaAstro

41 indexed repositories · View on GitHub

AstroLib.jl
Bundle of small astronomical and astrophysical routines.

Julia · 91 stars
FITSIO.jl
Flexible Image Transport System (FITS) file support for Julia

Julia · 60 stars
Healpix.jl
Healpix library written in Julia

Julia · 58 stars
Cosmology.jl
Cosmology library for Julia

Julia · 56 stars
AstroTime.jl
Astronomical time keeping in Julia

Julia · 38 stars
LombScargle.jl
Compute Lomb-Scargle periodogram, suitable for unevenly sampled data. It supports multi-threading

Julia · 33 stars
AstroImages.jl
Visualization of astronomical images

Julia · 30 stars
GeneralAstrodynamics.jl
Astrodynamics with units! Provides common astrodynamics calculations, plotting, and iterative Halo, Kepler, and Lambert solvers.

Julia · 28 stars
JuliaAstro.github.io
The JuliaAstro website.

Julia · 28 stars
UnitfulAstro.jl
An extension of Unitful.jl for astronomers.

Julia · 27 stars
SkyCoords.jl
Astronomical coordinate systems in Julia

Julia · 26 stars
Transits.jl
Flexible photometric transit curves with limb darkening

Julia · 24 stars
ASDF.jl
A Julia implementation of the Advanced Scientific Data Format (ASDF)

Julia · 23 stars
SpectralFitting.jl
✨🛰 Fast and flexible spectral fitting in Julia.

Julia · 22 stars
Photometry.jl
Utilities for characterizing sources in astronomical images.

Julia · 20 stars
SolarPosition.jl
Solar positioning algorithms for Julia.

Julia · 20 stars
EarthOrientation.jl
Calculate Earth orientation parameters from IERS tables in Julia

Julia · 19 stars
WCS.jl
Astronomical World Coordinate Systems library for Julia

Julia · 17 stars
Orbits.jl
Flexible and fast astronomical orbits

Julia · 12 stars
Astrometry.jl
Astrometry is a set of IAU standard algorithms for calculating the time and position of celestial objects.

Julia · 12 stars
21 more repositories live on View on GitHub

Beginner friendly Everything

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Integrate/point to SOFA.jl Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaAstro/Astrometry.jl#45 · Opened Sep 4, 2026
Create an UVTFITS interface for the internal data tables Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

JuliaAstro/AURIS.jl#17 · Opened Aug 30, 2026
Create a pure Julia Measurement Set Version 2 package Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaAstro/AURIS.jl#16 · Opened Aug 30, 2026
Common internal table types Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaAstro/AURIS.jl#15 · Opened Aug 30, 2026
Adding LZ4ASDF format to ChunkCodecLibLz4? Open

Difficulty 3/5 1-2 days Newbie friendliness 65/100

JuliaAstro/ASDF.jl#72 · 2 comments · Opened Aug 25, 2026
Geometric Algebra derivation of Van Cittert-Zernicke theorem Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaAstro/AURIS.jl#14 · Opened Aug 18, 2026
Create webpage for links to non-JuliaAstro packages Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

JuliaAstro/JuliaAstro.github.io#218 · 2 comments · Opened Aug 17, 2026
Negative strides Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 48/100

JuliaAstro/ASDF.jl#70 · Opened Aug 15, 2026
Degenerate shapes Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

JuliaAstro/ASDF.jl#69 · Opened Aug 15, 2026
Improve performance of flagged functions Open

JuliaAstro/SOFA.jl#51 · 1 assignee · Opened Aug 8, 2026
We're working on a package for image stretch functions, would you find it useful? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaAstro/AstroImages.jl#132 · Opened Jul 30, 2026
Scaling loses precision for integer columns with large TZERO Open

Difficulty 3/5 1-2 days Newbie friendliness 65/100

JuliaAstro/FITSFiles.jl#47 · Opened Jul 29, 2026
You're just not my type Open

JuliaAstro/SOFA.jl#46 · 1 assignee · Opened Jul 28, 2026
research: Potential `SkyCoordsFITSWCSExt` Open

JuliaAstro/SkyCoords.jl#113 · 1 assignee · Opened Jul 24, 2026
Error in handling one-dimensional TDIM values in binary tables Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

JuliaAstro/FITSFiles.jl#44 · Opened Jul 23, 2026
Return Weights for RFI Filtering Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

JuliaAstro/AURIS.jl#13 · Opened Jul 20, 2026
Per Baseline Algorithms Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaAstro/AURIS.jl#12 · Opened Jul 20, 2026
Intermediate results of calibration steps Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

JuliaAstro/AURIS.jl#11 · Opened Jul 20, 2026
Functional Interface for Pipeline Operator Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

JuliaAstro/AURIS.jl#10 · Opened Jul 19, 2026
Initial Set of Graphics Functions Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaAstro/AURIS.jl#9 · Opened Jul 19, 2026
Radio interferometer simulator Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

JuliaAstro/AURIS.jl#8 · Opened Jul 19, 2026
chore: CI cleanup Open

JuliaAstro/SkyCoords.jl#108 · 3 comments · 1 assignee · Opened Jul 19, 2026
research: Coordinate equality Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

JuliaAstro/SkyCoords.jl#107 · Opened Jul 17, 2026
todo: Eventually use registered version of WCSFITS.jl Open

JuliaAstro/AstroImages.jl#118 · 1 assignee · Opened Jul 11, 2026
Update TODO.md to reflect ecosystem changes Open

JuliaAstro/AstroLib.jl#114 · 1 assignee · Opened Jul 8, 2026
APE-14 Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaAstro/FITSWCS.jl#10 · Opened Jul 7, 2026
Clean-up Open

JuliaAstro/Transits.jl#73 · 1 assignee · Opened Jun 23, 2026
`fits_create_memfile` Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

JuliaAstro/CFITSIO.jl#101 · Opened May 23, 2026
blackbody Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

JuliaAstro/learn-JuliaAstro#27 · Opened May 15, 2026
Remove ergs and dynes Open

Difficulty 2/5 1-3 hours Newbie friendliness 52/100

JuliaAstro/UnitfulAstro.jl#61 · 1 reaction · Opened May 1, 2026
Improve performance of `_filter` Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

JuliaAstro/BackgroundMeshes.jl#27 · 1 comment · Opened Apr 23, 2026
Better benchmarking Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

JuliaAstro/Photometry.jl#108 · 1 comment · Opened Apr 23, 2026
Implement `AbstractEBVMap` Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaAstro/DustExtinction.jl#93 · Opened Apr 11, 2026
Future features Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaAstro/ASDF.jl#31 · Opened Apr 3, 2026
Toy image testing Open

JuliaAstro/Astroalign.jl#26 · 1 assignee · Opened Apr 2, 2026
Validate uncertainties returned by `fit` Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

JuliaAstro/PSFModels.jl#47 · Opened Mar 21, 2026
Ensure Logical (Bool) type includes NULL value Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaAstro/FITSFiles.jl#28 · Opened Mar 11, 2026
Potential type instability in timescale functions Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

JuliaAstro/Astrometry.jl#38 · Opened Mar 2, 2026
GSOC start here! Open

good first issue

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaAstro/SpectrumBase.jl#47 · 5 comments · 3 reactions · Opened Mar 2, 2026
Add usage example for converting from UTC to HJD and BJD Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

JuliaAstro/AstroTime.jl#83 · Opened Mar 1, 2026
About vec2ang Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

JuliaAstro/Healpix.jl#138 · Opened Feb 9, 2026
Casacore v0.4.1 runtime error, StdVector not defined. Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

JuliaAstro/Casacore.jl#28 · Opened Feb 8, 2026
Support for SIP Distortion polynomials Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

JuliaAstro/WCS.jl#61 · 2 reactions · Opened Feb 6, 2026
Plotting as package extension Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaAstro/SpectralFitting.jl#238 · Opened Jan 15, 2026
Materials Open

Difficulty 1/5 Under an hour Newbie friendliness 35/100

JuliaAstro/workshop#11 · Opened Jan 14, 2026
Check for, but do not require an RMF Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

JuliaAstro/SpectralFitting.jl#237 · Opened Jan 13, 2026
TagBot: Manual intervention needed for releases Open

tagbot-manual

Difficulty 1/5 Under an hour Newbie friendliness 25/100

JuliaAstro/AstroTime.jl#82 · Opened Jan 13, 2026
FLOSS/fund Open

domain: organisation purpose: proposal

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaAstro/fireplace#6 · Opened Dec 23, 2025
Link plot and law docstrings Open

JuliaAstro/DustExtinction.jl#83 · 1 assignee · Opened Dec 23, 2025
CI/Documentation philosophies Open

domain: use-case purpose: proposal

Difficulty 5/5 Over a week Newbie friendliness 15/100

JuliaAstro/fireplace#5 · 1 reaction · Opened Dec 19, 2025

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