File names are in the form:
observation date followed by serial number, followed by file extension
.fits, as in
YYMMDD.NNN.fits prior to the year 2000 and
Right click on link to download desired file.
Below are two sample spectra of the moon covering the range wavelength 7780-9110 Angstroms divided among five apertures.
The following compressed files contain all Ritter spectra of the moon covering the 7780-9110 Angstroms range.
Below is an échelle spectra of the moon covering the wavelength range 4650-6100 Angstroms divided among twelve apertures.
Below is an échelle spectra of the moon covering the usul wavelength range 5286-6597 Angstroms divided among nine apertures.