David's Astronomy Pages
 Night/Day Summary Plots

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Bullet Night Summary Plot (latest)
Bullet Daytime Summary Plot (latest)
   

Night Summary Plot

Latest Night Summary Plot
Top axis: Sky Brightness at Zenith (in ADU/s)
Lefthand axis: Local Time (hh LT). Righthand axis: Sun Altitude (degs)
Note:  The NorthCam Star Count line is unreliable and should be ignored
(The AstroNorthCam 'Find' Star method is producing many false positives from clouds)
  
 
 

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Day Summary Plot

Latest Day Summary Plot
Top axis: Sky Brightness at Zenith (in ADU/s) - not used during daytime
Cyan: Rain,  Green: Clarity (Cloud Sensor)
Blue: Dew Point Depression,  Mauve: Wind (Weather Station)
Lefthand axis: Local Time (hh LT). Righthand axis: Sun Altitude (degs)
  
 
 

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This Web Page Night/Day Summary Plots
Last Updated : 2026-09-03
Site Owner : David Richards
Home Page : David's Astronomy Web Site