Individual skill
astrophysics-data-guide
Astronomical data processing with Astropy, FITS files, and sky surveys
skills/domains/physics/astrophysics-data-guide/SKILL.md
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# Astrophysics Data Guide
A skill for processing and analyzing astronomical data using standard astrophysics tools. Covers FITS file handling, coordinate transformations, photometric analysis, spectral analysis, catalog cross-matching, and accessing major sky survey archives.
## Astronomical Data Formats
### FITS Files
FITS (Flexible Image Transport System) is the standard data format in astronomy:
```python
from astropy.io import fits
import numpy as np
