Airglow Data Obtained at Kiso Station,
Tokyo Astronomical Observatory, The University of Tokyo
(137.63 E, 35.79 N, altitude=1130m)

Airglow intensities at zenith (3 degrees diameter):
Observations have been made regularly on moonless clear nights.

The reduction of data had been carried out by Photometry Division,
Tokyo Astronomical Observatory, The University of Tokyo (1979-1988),
and by Optical and Infrared Astronomy Division, National Astronomical
Observatory of Japan (1988-1990).

Files are named as
     KMyymm.txt
where
     yy: year
     mm: month.

Data Format

example:

                1980   1  21    KISO               <= year,month,date

                    (raw data value)       4358     5000     5300     OH53     OH53
NO.     D  H  M     4358   5000   5300   RAYLEIGHS   S10      S10      S10      RAY   STD.   ZERO

  1    21 22 55      153    154     72     68.2    256.5    237.3    -19.2     -8.1    250     37
  2    21 22 56      151    151     72     67.1    250.1    232.7    -17.4     -7.3    249     38
  3    21 22 57      151    152     72     66.1    249.8    235.1    -14.7     -6.2    252     37
  4    21 22 58      147    151     71     63.7    246.6    222.7    -23.9    -10.0    252     38
  5    21 22 59      149    150     72     65.3    246.7    231.6    -15.1     -6.3    250     38
  6    21 23  0      149    150     72     65.0    245.6    230.5    -15.1     -6.3    251     38
    ........................................

        NIGHT MEAN=                        64.2    233.0    218.6    -14.5     -6.1

The date in the title line refers to the local date of the evening.
The actual observations may be done after midnight, on the next day.

(D, H, M) = date and time in JST (=UT+9)

wavelength bands
4358 Angstrom (Hg from city light)
5000 Angstrom (background for reference)
5300 Angstrom (background for reference)
5577 Angstrom (O I)
5893 Angstrom (Na D)
6300 Angstrom (O I)
STD = standard lamp
ZERO = dark signal

1 Rayleigh = 10^6 photons cm^-2 sec-1 /column
S10 = equivalent number of 10-th magnitude G0 stars per square degree
      1 Rayleigh = 239 S10 at 5300 Angstrom