View Single Post
Old 03-26-16, 03:53 AM   #46
Sjizzle
Count Dracula
 
Sjizzle's Avatar
 
Join Date: Aug 2012
Location: 46°13′N, 24°47′E
Posts: 1,816
Downloads: 405
Uploads: 0


Default

[QUOTE]
Quote:
Originally Posted by palmic View Post
Great video about langitude - it should be in the first post as more info!
Quote:
Q1: How do we know on which hemisphere we are?
55.37 N is North hemisphere cos after the 55.33 is N if was S u where in the south hemisphere also if u are above equator u are in the north hemisphere if u are below equator u are in the South hemisphere

Quote:
Q2: Where did you get that 20 LHA for longitude??
that come automatic from that spreadsheet file it's calculate it alone.... u need to use that file or a Almanac to find the declination, index error, LHA, without a almanac the calculation is incorrect
Quote:
I just dont get it, there's no explanation, just open excel, there is 20 LHA.. i mean what?
It seems to me like i have to watch sun vertical angle periodically and when i find its on zenit, get the time..
Then somehow calculate longitude by substituing difference of sun zenit time from GMT noon and dividing somehow, but its not described here..

I dont want to use some scripted xls, i want to know how can i get LHA.
go here for online almanac to calculate your position.....
local noon is described in post #1.

PS. u can use also Stellarium a great software
Sjizzle is offline   Reply With Quote