Recent content by VansFannel

I don't asking if the book makes approximations or not. I said: "I get the same results than in the book in ALL the 48 previous formulas that I have implemented". So, it must be something wrong in the book or in my implementation, this is why I am asking about the formulas to compute the sunset...

I get the same results in all the 48 previous formulas. This is why I am asking about the formulas adopted by the IAU, because I want to have something without errors to check with. Thanks for your help.

These are the results I get. In the book: Rise: 6h 5m 4s Set: 17h 44m 40sWith my implementation: Rise: 6h 4m 2.98s Set: 17h 39m 41.28s And these are the calculators I have...

I think there are more accurate formulas out there, this is why I am asking about them. Do you know where are the formulas that the IAU is using? With all the previous 48 formulas I get the same results than the book, this is the first formula where I don't get the same result.

Hi, I'm developing a C++ computer library with the formulas in the book "Practical Astronomy with your Calculator or Spreadsheet, 4th edition" but I have a problem with the formula 49, "Sunrise and sunset": I don't get the same results than in the book. I've been searching to find online...

Hi! My name is Óscar and I am developing a library with positional astronomy formulas.