0
votes
2answers
73 views

Sun's Right Ascension appears to be wrong in my Stellarium

The Stellarium version 0.12.4 I have shows the RA of the sun at 22.5 Hour while Google says it is 19h 4m 31s. I am confused. Please help.
0
votes
0answers
37 views

Are there any programs or codes widely used for computing spherical multipole expansion, especially for CMB?

I have data of coordinates and values of a part of sky, and I'm supposed to calculate multipole expansion, change some components between some $\ell$s, and finally calculate back to values. The ...
2
votes
1answer
156 views

Analyse astronomical data

Recently I was told of a job offer to analyse astronomical data. The job offer states that they want somebody with knowledge of astronomical data analysis software and it will be a plus somebody who ...
3
votes
0answers
101 views

Maximum-Entropy Method deconvolution implementation?

I am looking for an implementation of the Maximum Entropy Method for image deconvolution, ideally in MATLAB or Mathematica. I'm trying to reconstruct an image from fringe visibilities, as is often ...
5
votes
3answers
57 views

How to get started in Astronomy (UK based) [closed]

I have always been interested in space and astronomy (in my youth - I wanted to be an astronaut). However for various reasons, I never quite got started. I now want to get started - small but ...
2
votes
1answer
12 views

What is the current evaluation of a sky map application for mobile devices?

Which sky map application for mobile devices have the best "feature satisfaction"-to-investment ratio? I would like to have a comparison between "sky map" applications for mobile devices and it ...
1
vote
3answers
290 views

Software for Creating Custom Star Charts?

I need to produce custom star charts for my website. I want to be able to do the following: Specify a region, maybe a constellation or just an arbitrary region Specify what appears on the chart ...
5
votes
4answers
332 views

What free software is there for observing the sky (sky map software)

I used until now only stellarium.org and I'm curious if there is any other software that is better than stellarium. By better, I mean: doesn't have high system ...
4
votes
1answer
143 views

How to identify the objects in an astrophoto, and what portion of the sky it covers?

Given an astrophoto with a resolution between 0.5 and 5 arcseconds per pixel, which ways exist to identify the direction of view, field of view, and objects in the picture? I believe most amateur ...
8
votes
10answers
139 views

Are there websites or programmes that permit a simulation of the night sky in the past and the future on an ordinary computer?

Are there websites or programs that permit a simulation of the night sky in the past and the future on an ordinary computer? (For the past, I would be content with objects visible to the naked eye.) ...
2
votes
1answer
456 views

IRIS alternative on mac?

I need to process some images taken from a telescope to determine the intensity of an astroid. This way I can determine the rotation period of this asteroid. The pictures were taken the usual way ...