Data Reduction & Astrometry#

Data Reduction with Astropy#

  • Dark Current: Dark Frame Subtraction

  • Flat Field: Flat Frame Division

  • Background Subtraction

  • Bad/Hot Pixels

  • Image alignment and registration

Plate-solving with Astrometry.net#

World Coordinate System (WCS)#

Photometry with Photutils#

  • Aperture Photometry

    • Optimizing Aperture Size and Shape

  • PSF Photometry

  • Treatment of Outliers

    • Weather: Cloud, Humidity, Turbulence

    • Other Unaccounted Effects (Systematics)

    • Saturation

    • Cosmic Rays