astronomy

相关标签：javascript jquery android 多少钱 iPhone

Results for Observer() seemingly not accounting for elevation effects in PyEphem

I\'ve a query on the results given by the PyEphem module relating to Observer() queries, and the effects of elevation. I understand from a couple of sources (such as http://curious.astro.cornell.edu/q[详细]

2023-04-10 16:10 分类：问答
Given the latitude and longitude, how can I tell if it's daylight?

I\'m writing a Python program that needs to determine whether it\'s post-sunrise or not, given only the current UTC time and the target latitude and longitude. I开发者_JAVA技巧 see apps do this sort o[详细]

2023-04-04 00:27 分类：问答
Calculation star position in the sky, PyEphem

I have difficulties with finding current coordinates (RA, DEC) for star in sky. In net I have found only this one tutorial, how to use ephem library: http://asimpleweblog.wordpress.com/2010/07/04/ast[详细]

2023-03-23 22:56 分类：问答
Astronomy application

I am trying to build an astronomy application where I should display the stars at and near zenith for a given latitude, longitude and time.[详细]

2023-02-26 14:03 分类：问答
Solving Kepler's Equation computationally

I\'m trying to solve Kepler\'s Equation as a step towards finding the true anomaly of an orbiting body given time. It turns out though, that Kepler\'s equation is difficult to solve, and the wikipedia[详细]

2023-02-16 17:23 分类：问答
Optimized processing of very large files

My task is relatively simple: for each line in an input file开发者_StackOverflow社区, test whether the line satisfies a given set of conditions, and if so, write specific columns of that line to a new[详细]

2023-02-13 06:44 分类：问答
Finding the break in data from a piecewise function

Greetings, I\'m performing research t开发者_如何学Pythonhat will help determine the size of observed space and the time elapsed since the big bang. Hopefully you can help![详细]

2023-01-31 13:43 分类：问答
Computing Earth orbit position and rotations

I want to compute the Earth position (relative to the sun) and axis rotations for a given date and time. It\'s ok to assume the Sun is stationary at the 0,0,0 coordinate. Very minor defle开发者_开发知[详细]

2023-01-28 02:38 分类：问答
PyEphem (sunrise / sunset time calculation) equivalent in C#

PyEphem is a neat library that allows easy calculation of sunrise, set, dawn, and dusk 开发者_开发问答of location based on lat, long, and UTC timestamp[详细]

2023-01-02 04:42 分类：问答
Moon / Lunar Phase Algorithm

Does anyone know an algorithm to either calculate the moon phase or age on a given date or find the dates for new/full moons in a given year?[详细]

2022-12-25 06:31 分类：问答