/Astronomy

Image Calibration (Bias, Dark, Flat Correction)

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Astronomy

Signal to Noise Ratio (SNR)

  1. AB magnitude vs. exposure time

Image Reduction

  1. Background Determination (σ-clipping, mesh, median filter, interpolation)
  2. Image Calibration (Bias, Dark, Flat Correction)
  3. Source Finding (IRAF, Daofind)

Spectrum