nsb 0.1.1

Night-sky background evaluation and observation planning for ground-based astronomy.
Documentation 
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# Synthetic test-only Galactic HEALPix starlight map (Packed, nside=1 RING).
# map_type=healpix
# nside=1
# ordering=ring
# coordinate_frame=galactic
# s10_diagnostics=not_provided
# dataset_name=NSB synthetic test-only HEALPix starlight fixture
# version=fixture
# generation_date_utc=2026-06-21T00:00:00Z
# source_catalogue=synthetic unit-test fixture
# source_catalogue_release=test
# source_catalogue_license=test-only
# source_catalogue_checksum=sha256:fixture
# magnitude_limit=test-only
# map_resolution=HEALPix nside=1 ring 12 pixels
# photometry_model=fixture
# band_definition=integrated 300-650 nm photon radiance
# smoothing_fwhm_deg=none
# generated_by=unit test
healpix_index,integrated_ph_cm2_ns_sr,statistical_uncertainty_ph_cm2_ns_sr,systematic_uncertainty_ph_cm2_ns_sr,total_uncertainty_ph_cm2_ns_sr
0,2.0,0.2,0.4,0.5
1,2.0,0.2,0.4,0.5
2,2.0,0.2,0.4,0.5
3,2.0,0.2,0.4,0.5
4,4.0,0.4,0.8,1.0
5,4.0,0.4,0.8,1.0
6,4.0,0.4,0.8,1.0
7,4.0,0.4,0.8,1.0
8,1.0,0.1,0.2,0.25
9,1.0,0.1,0.2,0.25
10,1.0,0.1,0.2,0.25
11,1.0,0.1,0.2,0.25