2 papers
astro-ph.GA2010
Discontinuity in the Brightness of the Twilight Sky at Different Wavelengths
S. Nawar, A. B. Morcos, A. L. Tadross +1
A search for discontinuity in the sky twilight brightness at different wavelengths and different solar depressions for altitudes 0, 5, 10, 30, 50 & 70 degrees is done. It is found…
astro-ph.GA2010
Brightness and color of the integrated starlight at celestial, ecliptic and galactic poles
S. Nawar, A. L. Tadross, J. S. Mikhail +1
From photoelectric observations of night sky brightness carried out at Abu-Simbel, Asaad et al. (1979) have obtained values of integrated starlight brightness at different Galactic…