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Doniol- Sight reduction

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Doniol- Sight reduction
Fred_B Offline
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Posts: 42
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#2
01-14-2016, 11:58 PM
Yes, I'm up for it. The haversine tables I got off the web somewhere last year. Bowditch 1972 vol. 2 has 'em also. You have to buy the 1972 edition now. Confound it.

Unless I'm in error the only problem with Doniol is that you're only obtaining Hc. Never figured out how to get Zn yet.

It certainly is one of those "no batteries required" method to get Hc.

Louis, do you know the formula to obtain a haversine of an angle like 45° ?
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Messages In This Thread
Doniol- Sight reduction - by LouisC - 01-13-2016, 02:23 AM
RE: Doniol- Sight reduction - by Fred_B - 01-14-2016, 11:58 PM
RE: Doniol- Sight reduction - by LouisC - 01-16-2016, 02:35 AM
RE: Doniol- Sight reduction - by LouisC - 01-19-2016, 10:05 PM
RE: Doniol- Sight reduction - by LouisC - 01-20-2016, 03:19 AM
RE: Doniol- Sight reduction - by c_davidson - 02-02-2016, 01:18 PM
RE: Doniol- Sight reduction - by Fred_B - 02-03-2016, 05:16 PM
RE: Doniol- Sight reduction - by LouisC - 02-03-2016, 05:20 PM

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