The GAia Map of the Brightness Of Natural Sky

New! Updated to Gaia-EDR3 catalogue. New bands added.

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Read carefully the About page before to use GAMBONS data

Local Map at

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Elev. (m.a.s.l.):

Date: Hour: Minute:

Altitude of the Sun above the horizon:

Airglow and atmospheric parameters

Airglow Spectrum:
Value (%):

Get spectrum from ESO SkyCalc here

Aerosols Ångstrom exponent (α): τ₀(λ₀):

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Low resolution (faster)

Band:

Horizontal Irradiance (W m^-2): Horizontal Irradiance (W m^-2): Horizontal Irradiance (W m^-2):

Profile at azimut

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Radiance outside Earth's atmosphere

This map on Galactic Coordinates shows the astrophysical radiance (astrophysical sources and background) outside the Earth's atmosphere in W/m2/sr. Click here to download the data.

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The citation for GAMBONS is Masana et al. 2020 (MNRAS 501, 5443-5456). Download the paper here.

Contact addresses: emasana at fqa.ub.edu (E. Masana; astrophysical sources, website), salva.bara at usc.gal (S. Bará; atmospheric modeling).