Billyard Ink

Hartmann mask template generator
for
Astronomy & Astrophotography

(Please note the new URL for this site)

        

 
 
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ObjectValueCorresponding Symbol
On Figure
Outer Diameter of Telescope Tube: inches mm Wt
Primary Aperture (Lens/Mirror) Diameter:inches mmNot Shown
Mask's Aperture Diameter:    either
 or
inches mm
 /  of Primary Aperture
 Wa
Mask's Apertures Separation:    either
  or
  or
Maximum possible separation
inches mm
 /  of Mask Aperture's Diameter
 S
Number of Holes in Mask: Not Shown
Note: this will generate the mask in another html window.