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2015 is coming....surely.

HO 249 Volume 1 page 340 has "Table 4- GHA Y for the years 2006 to 2014" which is a very compact way to determining GHA Y (Aries) for stars.

See here (page 339)-

http://www.waypointamsterdam.com/Han...Pub249Vol1.pdf

 

I use it instead of carrying around the NA. (I can easily calculate Hc and Az using the Spherical Trig formulas so I can reduce the amount of paper on board).

But, that sheet will expire this year. Do you know of the same Table 4 for the coming years?

Or rather....do you know of quick, accurate way to determine GHA Aries?

Thanks,

 

Sam L.