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VansFannel's user avatar
VansFannel
  • Member for 8 years, 11 months
  • Last seen more than a month ago
5 votes
2 answers
3k views

Software to convert RA and DEC into ALT and AZ

4 votes
1 answer
143 views

vertical shift is equals to half of angular dimension plus parallax plus atmosphere refraction

3 votes
3 answers
2k views

Are we seeing a conjunction these mornings?

3 votes
3 answers
492 views

Calculating the position of the Sun

3 votes
1 answer
810 views

Which is the shape of the sky?

3 votes
1 answer
269 views

I can't find Rigel on Tycho 2 catalogue

3 votes
4 answers
488 views

Sunset and sunrise formulas adopted by IAU

3 votes
1 answer
231 views

Why alpha Andromedae is also known as 21 Andromedae?

2 votes
1 answer
225 views

Drawing stars in a 3D space

2 votes
2 answers
273 views

How can I know the names of the stars in the Hipparcos Catalogue?

2 votes
1 answer
91 views

Divide a star catalogue to optimize star search

2 votes
1 answer
3k views

Conversion from Equatorial Coordinate to Horizon Coordinates

2 votes
1 answer
411 views

Calculate eccentric anomaly using Kepler's equation

2 votes
2 answers
319 views

Right ascension and declination visible at that local time and location

1 vote
1 answer
38 views

Is it correct to say vertical conjunction?

1 vote
1 answer
525 views

Calculating AZ and ALT from RA and DEC: values are slightly different from Stellarium

1 vote
2 answers
434 views

R.A. and DEC. for Constellation area vertices

1 vote
0 answers
480 views

Which stars do I have to use to join with a line to draw constellation? [duplicate]

1 vote
1 answer
368 views

Where can I download the Hippacos Catalogue main file and Bright Star Catalogue?

1 vote
0 answers
58 views

What are ephemerides? (SPICE software)

0 votes
1 answer
90 views

What is orientation?

0 votes
1 answer
1k views

Calculate right ascension in Zenith at this moment in my location

0 votes
1 answer
942 views

Sun right ascension and declination at date with different values on different calculators and also with my implementation

0 votes
1 answer
78 views

Get (X, Y, Z) coordinates from Horizontal Coordinates