| Distance to Object (Umbra Versa) | Height of Object (Umbra Recta) | Angle, Radians | Angle, Degrees |
| A | B | =ATAN2(A,B) | =C*180/PI() |
| 12 | 1 | 0.0831412318884412 | 4.77 |
| 12 | 2 | 0.165148677414627 | 9.46 |
| 12 | 3 | 0.244978663126864 | 14.04 |
| 12 | 4 | 0.321750554396642 | 18.43 |
| 12 | 5 | 0.394791119699762 | 22.62 |
| 12 | 6 | 0.463647609000806 | 26.57 |
| 12 | 7 | 0.52807444842636 | 30.26 |
| 12 | 8 | 0.588002603547568 | 33.69 |
| 12 | 9 | 0.643501108793284 | 36.89 |
| 12 | 10 | 0.694738276196703 | 39.81 |
| 12 | 11 | 0.741947268005917 | 42.51 |
| 12 | 12 | 0.785398163397448 | 45 |
| 11 | 12 | 0.828849058788979 | 47.50 |
| 10 | 12 | 0.876058050598194 | 50.19 |
| 9 | 12 | 0.927295218001612 | 53.13 |
| 8 | 12 | 0.982793723247329 | 56.31 |
| 7 | 12 | 1.04272187836854 | 59.74 |
| 6 | 12 | 1.10714871779409 | 63.43 |
| 5 | 12 | 1.17600520709514 | 67.38 |
| 4 | 12 | 1.24904577239825 | 71.57 |
| 3 | 12 | 1.32581766366803 | 75.96 |
| 2 | 12 | 1.40564764938027 | 80.54 |
| 1 | 12 | 1.48765509490646 | 85.24 |
Note that in column C, the Angle in Radians, I am using ATAN2, which in Excel is the arctangent of x & y coordinates, where x = number in column A and y = number in column B. Column D then converts the angle into degrees, since there are 2 pi radians in a circle (pi radians = 180°).