SAO Exposure Time Calculator - Version 2022.10
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Instrument & Mode
Angstroms per pixel :
Arcsec per pixel :
Source Properties
Spectrum Type
Redshift
AB Mag in observed band
Bandfilter
r_filt
g_filt
i_filt
Source Type
Point Source
Extended
Effective Radius
arcsec
Observation Properties
Exposure Time
sec
Seeing
arcsec
Moon Age
days
Airmass
atm
Aperture Type
Round
Rectangular
Slit Width or Fiber Diameter
arcsec
Slit Length
arcsec
SNR / Res Element vs. Wavelength (microns)
Counts / Pixel vs. Wavelength (microns)