sunpy/ndcube

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A base package for multi-dimensional contiguous and non-contiguous coordinate-aware arrays.

Stars: 49
Forks: 56
Open beginner issues: 0
Indexed issues: 71
Avg merge: 5h 54m
Merged PRs (30d): 9

Dominant language: Python
License: BSD-2-Clause
Last GitHub push: Sep 17, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: help wanted

Beginner friendly Everything

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71 open issues indexed

[2.4.0] test_crop_by_extra_coords_values_all_axes_with_coord fails during build time Open

Bug

Difficulty 4/5 3-5 days Newbie friendliness 38/100

sunpy/ndcube#913 · 5 comments · Opened Jan 17, 2026
__pow__ method incompatible with downstream subclasses Open

Bug

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

sunpy/ndcube#900 · 3 comments · Opened Dec 8, 2025
Add example gallery showing how to create and use sliceable metadata object Open

Feature Request

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

sunpy/ndcube#896 · Opened Nov 25, 2025
Remove explicit use of Masked Array types Open

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

sunpy/ndcube#894 · Opened Nov 5, 2025
Allow ExtraCoords and GlobalCoords to be passed to NDCube constructor Open

Feature Request

Difficulty 4/5 3-5 days Newbie friendliness 42/100

sunpy/ndcube#891 · Opened Oct 9, 2025
Support uncertainty propagation for NDCube reprojection Open

Discussion Upstream Fix Required

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

sunpy/ndcube#876 · 2 comments · Opened Jul 16, 2025
Error when cropping a 1D NDCube Open

Bug

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

sunpy/ndcube#871 · 2 comments · Opened Jul 3, 2025
Add option to instantiate an NDCube with array indices in pixel order Open

Feature Request

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

sunpy/ndcube#866 · 13 comments · Opened Jun 28, 2025
What works for Map that would be nice to have as an NDCube API (feedback from users) Open

Discussion

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

sunpy/ndcube#864 · 1 comment · Opened Jun 24, 2025
Crop mishandles negative array indices Open

Bug

sunpy/ndcube#860 · 3 comments · 2 assignees · Opened Jun 20, 2025
NDMeta.rebin can't handle all inputs Open

Bug

Difficulty 4/5 3-5 days Newbie friendliness 25/100

sunpy/ndcube#859 · 1 comment · Opened Jun 19, 2025
Add some documentation about how crop is inclusive in terms of array indices Open

Feature Request

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

sunpy/ndcube#858 · 3 comments · Opened Jun 19, 2025
`NDMeta` and `NDCollection` can not be pickled Open

Bug

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

sunpy/ndcube#847 · 5 comments · Opened Jun 11, 2025
NDCollection does not support the internal representation of `aligned_axes` in the constructor Open

Bug

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

sunpy/ndcube#846 · 2 comments · Opened Jun 11, 2025
Decide on correct meta copying behaviour in `rebin` Open

Discussion

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

sunpy/ndcube#815 · 2 comments · Opened Jan 22, 2025
Convenience attributes for accessing world-axis-specific information Open

Feature Request

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

sunpy/ndcube#811 · 1 comment · 1 reaction · Opened Jan 16, 2025
`ExtraCoords` half works if not attached to a `NDCube` Open

Discussion

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

sunpy/ndcube#753 · 2 comments · Opened Aug 22, 2024
Add the serialization logic for the `WCS` wrapper classes in `ndcube` Open

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

sunpy/ndcube#750 · Opened Aug 16, 2024
Allow users to provide custom pixel grid for BaseTableCoordinate Open

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

sunpy/ndcube#740 · Opened Jul 3, 2024
Things to remove when we depend on numpy 2.0 or astropy 6.1.2 Open

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

sunpy/ndcube#731 · Opened Jun 18, 2024
Test helper errors on sunraster with dev version of ndcube Open

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

sunpy/ndcube#730 · Opened Jun 18, 2024
Create an analysis subpackage Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

sunpy/ndcube#725 · 1 comment · Opened Jun 12, 2024
Add an example using `ndcube.NDCube.rebin()` Open

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

sunpy/ndcube#724 · 1 reaction · Opened Jun 12, 2024
Animations in example gallery do not animate Open

Documentation help wanted

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

sunpy/ndcube#721 · 1 comment · Opened Jun 9, 2024
Add custom function to calculate error after ndcube rebin Open

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

sunpy/ndcube#702 · 3 comments · 1 reaction · Opened May 9, 2024
Add examples on how to create non-equal spaced WCS Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

sunpy/ndcube#688 · 1 comment · Opened Apr 24, 2024
Remove `shape_out` as an explicit kwarg from `reproject_to` Open

Difficulty 3/5 1-2 days Newbie friendliness 50/100

sunpy/ndcube#686 · Opened Apr 23, 2024
Add tests for uncertainty propagation for arithmetic operations Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

sunpy/ndcube#681 · 1 comment · Opened Apr 23, 2024
Support fancy indexing Open

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

sunpy/ndcube#647 · 1 comment · 1 reaction · Opened Oct 26, 2023
Allow custom uncertainty propagation functions to operation on UnknownUncertainty objects in NDCube.rebin Open

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

sunpy/ndcube#639 · Opened Sep 11, 2023
Cannot pass `coord_params` to underlying plotting method through `plot` Open

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

sunpy/ndcube#627 · 3 comments · Opened Jul 24, 2023
Allow greater flexibility in crop bounds order Open

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

sunpy/ndcube#608 · 2 comments · Opened Mar 22, 2023
NDCube does not support arithmetic via numpy ufuncs Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

sunpy/ndcube#591 · 1 comment · Opened Feb 14, 2023
NDCube, Scipp, Xarray, and developments in the Python world Open

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

sunpy/ndcube#566 · 1 comment · Opened Sep 27, 2022
setuptools deprecation warnings in pip verbose mode Open

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

sunpy/ndcube#560 · Opened Sep 23, 2022
Scoping out example gallery Open

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

sunpy/ndcube#543 · 4 comments · Opened Aug 26, 2022
Write some documentation of using NDCube with custom data Open

Documentation Feature Request help wanted

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

sunpy/ndcube#526 · Opened May 16, 2022
Disappearance of y-axis label, ticks, ticklabels Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

sunpy/ndcube#515 · Opened Apr 8, 2022
Upstream WCS wrappers to astropy Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

sunpy/ndcube#513 · Opened Mar 24, 2022
Pass kwargs through to underlying reproject function Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

sunpy/ndcube#512 · 1 comment · Opened Feb 9, 2022
Provide a decorator which validates the world axes of a given NDCube Open

new feature

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

sunpy/ndcube#490 · Opened Oct 28, 2021
Identification and extraction of subcubes based on world axis types Open

new feature

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

sunpy/ndcube#489 · 4 comments · Opened Oct 28, 2021
refactor the test suite to make more specifc test files Open

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

sunpy/ndcube#483 · Opened Oct 20, 2021
How should NDCube.resample handle extra_coords? Open

Discussion Resample

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

sunpy/ndcube#431 · Opened Jun 16, 2021
Reproject NDCubeSequence to NDCube Open

Resample

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

sunpy/ndcube#430 · Opened Jun 16, 2021
Implementation of resampling using reproject Open

Resample

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

sunpy/ndcube#427 · 1 comment · Opened Jun 15, 2021
Passing `draw_grid=False` is ignored on `CoordinateHelper` Open

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

sunpy/ndcube#426 · Opened May 18, 2021
ndcube is hiding test warnings Open

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

sunpy/ndcube#424 · Opened May 17, 2021
Expose celestial coordinate frame as attribute on NDCube Open

Discussion new feature

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

sunpy/ndcube#421 · 2 comments · Opened Apr 15, 2021
Support >1D tables in TableCoordinate and ExtraCoords Open

Feature Request help wanted

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

sunpy/ndcube#416 · Opened Mar 29, 2021

sunpy/ndcube

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