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GD 248
alpha(2000) = 23h 26m 06.69s , delta(2000) = +16d 00' 21.4''
V = 15.11, B-V = +0.09, Spectral type: DC
Field is 14.0 x 14.0 arcmin
Oke (1990) data (1A steps 3200-4700A; 2A steps 4702-9200A). Note the limitations of these data; see Cautionary Note.
ftp access to UV+visible wavelength data files for this standard