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To improve the wavelength calibration, specially for blue wavelengths where there are no sky emission lines, it is possible to cross-correlate the Sun's spectra with calibration frames (e.g. twilight flats). This could also be useful for improving the calibration of Solar System object observations.
The text was updated successfully, but these errors were encountered:
To improve the wavelength calibration, specially for blue wavelengths where there are no sky emission lines, it is possible to cross-correlate the Sun's spectra with calibration frames (e.g. twilight flats). This could also be useful for improving the calibration of Solar System object observations.
The text was updated successfully, but these errors were encountered: