Form- Doniol sight reduction - Printable Version +- Forums (https://thenauticalalmanac.com/Forum) +-- Forum: Main Forum Area (https://thenauticalalmanac.com/Forum/forumdisplay.php?fid=1) +--- Forum: The Sight Reduction process (https://thenauticalalmanac.com/Forum/forumdisplay.php?fid=8) +--- Thread: Form- Doniol sight reduction (/showthread.php?tid=65) |
Form- Doniol sight reduction - CelNav57 - 02-04-2016 Louis and I have finished the Doniol sight reduction form. It only calculates Hc and we have not worked on determining Zn yet. An unusual method of multiplying "1-q" and Haversine LHA" uses the butterfly method. The answer isn't exact but it is close enough. Here it is- Doniol form RE: Form- Doniol sight reduction - LouisC - 02-04-2016 We probably should provide the butterfly method if guys don't want to use a calculator. Lou |