Run MLCal on blended galaxy image simulations

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First steps

1. Read the whole issue, then the project's contributing guide.
2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
3. Fork the repository and make your change on a branch.
4. Open a pull request that references the issue number.

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• make_cat: objects ngmix never fit get NGMIX sentinels but MCAL_FLAGS = 0

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  Difficulty 2/5 1-3 hours Newbie friendliness 84/100

  CosmoStat/shapepipe#889 · Opened Sep 10, 2026

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• Exclude the redundant dateline tiles and high-Dec tiles from the DR6 shape catalogue

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  CosmoStat/shapepipe#900 · Opened Sep 24, 2026

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• One ShapePipe workflow for data and image sims

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  CosmoStat/shapepipe#891 · 1 comment · 2 assignees · Opened Sep 12, 2026

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• Keep per-epoch exposure and CCD identity in the final catalog

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  CosmoStat/shapepipe#890 · Opened Sep 11, 2026

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• Weighted vs unweighted m-bias disagree in the latest image-sim runs

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  CosmoStat/shapepipe#885 · 4 comments · 2 assignees · Opened Sep 8, 2026

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