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Search took 0.00 seconds. Search: Posts Made By: Kelkara
Forum: Navigation 07-01-2017, 12:13
Replies: 41
Views: 5,044
Posted By Kelkara
Re: Celestial Nav?

The doubt was mostly metaphorical ... After you were explicitly told the answer twice by two different people using two different methods and confirming your method also gave the same result - you...
Forum: Navigation 06-01-2017, 08:39
Replies: 41
Views: 5,044
Posted By Kelkara
Re: Celestial Nav?

No Problem mike,

but what I hope that I have showed is that you displayed no ineptitude using the online calculator (you got the right answer), and the value of pi was a perfectly good...
Forum: Navigation 06-01-2017, 07:35
Replies: 41
Views: 5,044
Posted By Kelkara
Re: Celestial Nav?

OK, I'll give this one more try ...

This is the sum you first asked about, and the answer is 7,365,466,585.9487271904761904761905 to as many decimal places as my windows 7 calculator will give....
Forum: Navigation 03-01-2017, 09:55
Replies: 41
Views: 5,044
Posted By Kelkara
Re: Celestial Nav?

You've done nothing wrong. That is the correct answer ... 15 billion miles.

now you're starting to make me doubt myself.
Forum: Navigation 03-01-2017, 09:39
Replies: 41
Views: 5,044
Posted By Kelkara
Re: Celestial Nav?

Yup, that's exactly how it is done. Your question didn't actually specify which direction from earth you would be moving ... I assumed a straight line perpendicular to the star and used the tan of...
Forum: Navigation 03-01-2017, 08:41
Replies: 41
Views: 5,044
Posted By Kelkara
Re: Celestial Nav?

There are many ways to approach even simple calculations ... being told what we're looking at always helps ... anyone can be bamboozled by numbers ... no need to insult my career choice.

I tried...
Forum: Navigation 02-01-2017, 16:37
Replies: 41
Views: 5,044
Posted By Kelkara
Re: Celestial Nav?

I think he was trying to calculate the circumference of a circle around Sirius with a radius of the distance to earth. Then divide by 21600 to get the length of one minute of arc - a perfectly valid...
Forum: Navigation 02-01-2017, 15:57
Replies: 41
Views: 5,044
Posted By Kelkara
Re: Celestial Nav?

I've only just now worked out what calculation Mike was trying to do in his original post. And after noticing his factor of 2 error, it seems he was right all along.

Unfortunately all he gave us...
Forum: Navigation 02-01-2017, 13:26
Replies: 41
Views: 5,044
Posted By Kelkara
Re: Celestial Nav?

As far as celestial nav ... your question is indeed pointless.

But you asked nicely, so you deserve an answer:

it's a simple trig calculation y=x.tan(A)

x=distance to target (Sirius)= 8.6...
Showing results 1 to 9 of 9

 
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