spacetelescope/romancal

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Python library to process science observations from the Nancy Grace Roman Space Telescope

Stars: 50
Forks: 42
Open beginner issues: 2
Indexed issues: 122
Avg merge: 4d 9h
Merged PRs (30d): 14

Dominant language: Python
License: No license data
Last GitHub push: Sep 18, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed

Beginner friendly Everything

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120 open issues indexed

Cache ProjectionRegion and cell polygons across find_skycell_matches calls Open

spacetelescope/romancal#2452 · 2 comments · 1 assignee · Opened Sep 17, 2026
Record siaf, bam reference, and bam quaternion in L1 meta Open

Difficulty 3/5 1-2 days Newbie friendliness 62/100

spacetelescope/romancal#2449 · Opened Sep 17, 2026
bug: Skycell matcher inner k-d tree mixes radians and degrees Open

spacetelescope/romancal#2448 · 5 comments · 1 assignee · Opened Sep 17, 2026
Data Release Product Filenames Open

spacetelescope/romancal#2425 · 5 comments · 1 assignee · Opened Aug 26, 2026
Sort out devdeps regtest plan for 3.11 Open

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

spacetelescope/romancal#2424 · 3 comments · Opened Aug 25, 2026
Process any number of resultants through ramp fitting Open

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

spacetelescope/romancal#2418 · Opened Aug 17, 2026
Investigate HST catalog fluxes generated by roman for a variety of datasets Open

team-red

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

spacetelescope/romancal#2399 · 2 comments · Opened Jul 23, 2026
Restructure truth files to match jwst Open

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

spacetelescope/romancal#2398 · 2 comments · Opened Jul 22, 2026
Deprecate filetype.check file handle support Open

Difficulty 2/5 1-3 hours Newbie friendliness 64/100

spacetelescope/romancal#2395 · 3 comments · Opened Jul 21, 2026
Make association generation functions consistent Open

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

spacetelescope/romancal#2391 · 3 comments · Opened Jul 17, 2026
Remove deprecated associations code and combine _Association and DMS_ELPP_Base Open

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

spacetelescope/romancal#2386 · Opened Jul 13, 2026
Stop compressing floating point and non-top-level arrays Open

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

spacetelescope/romancal#2375 · 7 comments · Opened Jul 3, 2026
TEST environment support for the Roman Integrated Pipeline Open

Difficulty 3/5 1-2 days Newbie friendliness 58/100

spacetelescope/romancal#2348 · 11 comments · Opened May 28, 2026
Change n_pix_grow_sat default to 1 Open

spacetelescope/romancal#2341 · 3 comments · 1 assignee · Opened May 21, 2026
Source catalog step reference file usage & prefetching Open

spacetelescope/romancal#2338 · 7 comments · 1 assignee · Opened May 20, 2026
Update ELP to run all steps; control skipped steps via pars files Open

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

spacetelescope/romancal#2334 · 2 comments · Opened May 15, 2026
Add n_effective to catalog columns Open

spacetelescope/romancal#2291 · 2 comments · 1 assignee · Opened May 1, 2026
romancal 1.0.0 Open

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

spacetelescope/romancal#2290 · 14 comments · Opened Apr 30, 2026
consider how to handle migrations for required values that cannot be computed from existing data Open

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

spacetelescope/romancal#2271 · 4 comments · Opened Apr 16, 2026
devdeps failing on python >3.11 with numerical differences Open

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

spacetelescope/romancal#2270 · 2 comments · Opened Apr 16, 2026
elp docs say `RampModel` is the input Open

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

spacetelescope/romancal#2242 · 5 comments · Opened Mar 27, 2026
Unable to Detect Faint Stars Open

source_catalog source_injection

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

spacetelescope/romancal#2239 · Opened Mar 20, 2026
Remove soctests marker Open

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

spacetelescope/romancal#2234 · 6 comments · Opened Mar 18, 2026
Fitting spatial variations in photutils Open

empirical_psf_determination RCAL

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

spacetelescope/romancal#2215 · Opened Mar 4, 2026
Mosaic pipeline, resample (possibly other steps) expect `ModelLibrary` products have a name Open

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

spacetelescope/romancal#2214 · 2 comments · Opened Mar 3, 2026
Code assumes non-required `cal_step` exists Open

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

spacetelescope/romancal#2213 · 5 comments · Opened Mar 3, 2026
Make source injection default true in MultibandCatalog Open

spacetelescope/romancal#2209 · 2 comments · 1 assignee · Opened Mar 2, 2026
L2 files contain generic fake data values Open

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

spacetelescope/romancal#2199 · 3 comments · Opened Feb 19, 2026
L1 reffile usage Open

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

spacetelescope/romancal#2198 · 2 comments · Opened Feb 18, 2026
investigate reducing `roman_photoz` dependencies Open

team_periwinkle

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

spacetelescope/romancal#2189 · Opened Feb 13, 2026
Add pysiaf regtest Open

spacetelescope/romancal#2187 · 2 comments · 1 assignee · Opened Feb 13, 2026
Add roman_photoz to regression tests Open

spacetelescope/romancal#2186 · 1 assignee · Opened Feb 13, 2026
Remove "crazy value" flagging after linearity correction Open

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

spacetelescope/romancal#2181 · Opened Feb 12, 2026
Update memory statistics for rcal 0.22.0 (26Q2_B21) Open

pipeline RCAL team-red

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

spacetelescope/romancal#2179 · Opened Feb 11, 2026
CLONE - Update memory statistics for rcal 0.20.0 Open

pipeline RCAL team-red

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

spacetelescope/romancal#2177 · Opened Feb 11, 2026
Consider deprecation and removal of skymatch match_down parameter Open

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

spacetelescope/romancal#2161 · 3 comments · Opened Feb 2, 2026
Add test for cal_steps Open

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

spacetelescope/romancal#2155 · 1 comment · Opened Jan 29, 2026
Wiki: Release Procedures Updates Open

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

spacetelescope/romancal#2152 · 1 comment · Opened Jan 27, 2026
Update intermediate release instructions to detail when and how dependencies are updated and regtests run Open

Difficulty 1/5 Under an hour Newbie friendliness 45/100

spacetelescope/romancal#2148 · 5 comments · Opened Jan 22, 2026
Migration Versions Parameter Open

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

spacetelescope/romancal#2144 · Opened Jan 18, 2026
calibration_software_version/name and L1 files Open

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

spacetelescope/romancal#2137 · 2 comments · Opened Jan 15, 2026
Remove partial support for YAML associations Open

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

spacetelescope/romancal#2126 · 2 comments · Opened Jan 7, 2026
Standardize roman_datamodels import Open

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

spacetelescope/romancal#2123 · 3 comments · Opened Jan 5, 2026
Unexpected memory utilization seen in ELP processing of GBTD data Open

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

spacetelescope/romancal#2115 · Opened Dec 19, 2025
Enable default_save_array_base in roman_datamodels Open

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

spacetelescope/romancal#2090 · 2 comments · Opened Dec 5, 2025
Simplify tweakreg step configuration Open

spacetelescope/romancal#2083 · 2 comments · 1 assignee · Opened Dec 2, 2025
Source injection / multiband catalog regtest handling Open

team-red

spacetelescope/romancal#2073 · 1 assignee · Opened Nov 18, 2025
Invalid encircled energy values Open

team_periwinkle

spacetelescope/romancal#2064 · 5 comments · 1 assignee · Opened Nov 13, 2025
Fixing naming of multiband catalog files Open

spacetelescope/romancal#2058 · 3 comments · 1 assignee · Opened Nov 13, 2025
migrate creation of test data by romanisim to use espf psf generation Open

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

spacetelescope/romancal#2057 · Opened Nov 13, 2025

spacetelescope/romancal

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