... Min td tensions required vs za . ... Minimum tensions required for various dome, ch configurations . ... The minimum tiedown tension required vs za (.ps) ( .pdf ) . ... Astronomy observing with the dome: ch sits at stow (.ps) ( .pdf ): . Astronomy observing with the ch: dome sits at 8.469 degrees (.ps) ( .pdf ) . ... I used the tension in tiedown 8 since it is a little lower than the other two tiedowns. plotted these tiedown tensions for dome za's 1.06 to 19.69 degrees . ... dome sits at za=12. ...