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מצפה הכוכבים ברקת - קוד מצפה רשמי Bareket observatory IAU B35

 

Bareket Internet telescope - SNR calculator

Calculate the optimal exposure time for the Bareket observatory's telescopes. SNR photometry calculator

 

Filter: This calculator uses Bessell filters, which are close to Johnson UBV, Cousins RI.
Mag Limits: List values for magnitudes between: and at intervals of mag.
Telescope diameter: 0.375m 0.508cm

 

CCD Choose among these (3 buttons must be selected)

CCD Overall QE Pixelsize ("/pix) RON (e-)
Bin 1x1 0.7 0.48 10
Bin 2x2 0.7 1.6 20

 

Sky brightness: (mag per sq. arcsec)
Airmass:
Exposure time: (seconds)
FWHM: (arcsec)
Radius for photometry: area over which signal is measured (arcsec):

 

You may have to wait 10-20 seconds for result

 

 

 

 

 

 





Adapted from the signal-to-noise calculator by Dr. Michael Richmond at Rochester Institute of Technology. If you want to see the equations governing the calculations, try this article by Steve Howell.

Return to the Bareket observatory homepage

 

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