{"id":34094129,"url":"https://github.com/ppp-one/cabaret","last_synced_at":"2026-03-27T04:29:34.236Z","repository":{"id":257465964,"uuid":"799987391","full_name":"ppp-one/cabaret","owner":"ppp-one","description":"cabaret is a Python package to simulate astronomical images using the Gaia catalog of stars.","archived":false,"fork":false,"pushed_at":"2025-12-20T17:54:45.000Z","size":8102,"stargazers_count":11,"open_issues_count":1,"forks_count":2,"subscribers_count":2,"default_branch":"main","last_synced_at":"2026-03-10T22:18:54.988Z","etag":null,"topics":["2mass","astronomy","gaia","images","modelling","simulation"],"latest_commit_sha":null,"homepage":"https://cabaret.readthedocs.io/","language":"Python","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"mit","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/ppp-one.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null,"zenodo":null,"notice":null,"maintainers":null,"copyright":null,"agents":null,"dco":null,"cla":null}},"created_at":"2024-05-13T13:41:45.000Z","updated_at":"2026-03-06T22:40:03.000Z","dependencies_parsed_at":null,"dependency_job_id":"90208a86-8fee-4642-ae59-7309a00d7242","html_url":"https://github.com/ppp-one/cabaret","commit_stats":null,"previous_names":["ppp-one/cabaret"],"tags_count":18,"template":false,"template_full_name":null,"purl":"pkg:github/ppp-one/cabaret","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/ppp-one%2Fcabaret","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/ppp-one%2Fcabaret/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/ppp-one%2Fcabaret/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/ppp-one%2Fcabaret/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/ppp-one","download_url":"https://codeload.github.com/ppp-one/cabaret/tar.gz/refs/heads/main","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/ppp-one%2Fcabaret/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":286080680,"owners_count":31019135,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2026-03-27T03:51:26.850Z","status":"ssl_error","status_checked_at":"2026-03-27T03:51:09.693Z","response_time":164,"last_error":"SSL_read: unexpected eof while reading","robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":false,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["2mass","astronomy","gaia","images","modelling","simulation"],"created_at":"2025-12-14T15:00:48.075Z","updated_at":"2026-03-27T04:29:34.226Z","avatar_url":"https://github.com/ppp-one.png","language":"Python","funding_links":[],"categories":[],"sub_categories":[],"readme":"# cabaret\n![](example.jpg)\n*cabaret* is a Python package to simulate astronomical images using the [Gaia catalog](https://en.wikipedia.org/wiki/Gaia_catalogues) of stars.\n\nDocumentation can be found at [cabaret.readthedocs.io](https://cabaret.readthedocs.io/).\n\n## Installation\n\nYou can install *cabaret* in a Python (`\u003e=3.11`) environment with\n\n```bash\npip install cabaret\n```\n\nor from a local clone\n\n```bash\ngit clone https://github.com/ppp-one/cabaret\npip install -e cabaret\n```\n\nYou can test the package has been properly installed with\n\n```bash\npython -c \"import cabaret\"\n```\n\n## Quick Start\n\n### Basic image \n\nTo generate an image from RA/DEC coordinates, run:\n```python\nimport cabaret\n\nimage = cabaret.Observatory().generate_image(\n    ra=12.33230,  # right ascension in degrees\n    dec=30.4343,  # declination in degrees\n    exp_time=10,  # exposure time in seconds\n)\n```\n\nTo display the image:\n\n```python\nfrom cabaret.plot import plot_image\n\nplot_image(image, contrast=0.25)\n```\n\n### Custom Observatory Configuration\n\nCreate a fully customized observatory by defining each component:\n\n```python\nfrom datetime import UTC, datetime\nimport cabaret\n\n# Define observatory components\nsite = cabaret.Site(\n    sky_background=150,  # e-/m^2/arcsec^2/s\n    seeing=1.5,  # arcseconds\n    elevation=2500,  # meters\n)\n\ntelescope = cabaret.Telescope(\n    focal_length=8,  # meters\n    diameter=1.0,  # meters\n)\n\ncamera = cabaret.Camera(\n    name=\"Example Camera\",\n    width=2048,  # pixels\n    height=2048,  # pixels\n    pitch=10,  # microns\n    gain=1,  # electrons per ADU\n    read_noise=6.2,  # electrons\n)\n\n# Create the observatory\nobservatory = cabaret.Observatory(\n    name=\"My Observatory\",\n    site=site,\n    telescope=telescope,\n    camera=camera,\n)\n\n# Generate a FITS image with metadata\nhdu = observatory.generate_fits_image(\n    ra=323.362583,\n    dec=-0.82325,\n    exp_time=0.5,\n    dateobs=datetime.now(UTC),\n    filter_band=cabaret.Filters.G,\n    seed=42,\n)\n\n# Save as FITS file\nhdu.writeto(\"simulated_image.fits\", overwrite=True)\n```\n\n### Custom Source Lists\n\nYou can manipulate the source catalog before generating images:\n\n```python\nfrom astropy.coordinates import SkyCoord\nimport numpy as np\n\n# Query Gaia catalog\ncenter = SkyCoord(ra=323.362583, dec=-0.82325, unit=\"deg\")\ntable = cabaret.GaiaQuery.query(\n    center=center,\n    radius=camera.get_fov_radius() * 1.5,\n    filter_band=cabaret.Filters.G,\n)\n\n# Filter out bright sources\nfluxes = table[cabaret.Filters.G.value].value.data\nmask = fluxes \u003c 1e4\nfiltered_table = table[mask]\n\n# Create custom source list\nsources = cabaret.Sources.from_arrays(\n    ra=filtered_table[\"ra\"].value.data,\n    dec=filtered_table[\"dec\"].value.data,\n    fluxes=filtered_table[cabaret.Filters.G.value].value.data,\n)\n\n# Generate image with custom sources\nimage = observatory.generate_image(\n    ra=center.ra.deg,\n    dec=center.dec.deg,\n    exp_time=0.5,\n    sources=sources,\n)\n```\n\n## Documentation\n\nExplore the full documentation, API reference, and advanced usage examples at [cabaret.readthedocs.io](https://cabaret.readthedocs.io/).\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fppp-one%2Fcabaret","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fppp-one%2Fcabaret","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fppp-one%2Fcabaret/lists"}