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VansFannel
  • Member for 7 years, 1 month
  • Last seen more than a month ago
5 votes
2 answers
2k views

Software to convert RA and DEC into ALT and AZ

4 votes
1 answer
125 views

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

3 votes
4 answers
243 views

Sunset and sunrise formulas adopted by IAU

3 votes
3 answers
1k views

Are we seeing a conjunction these mornings?

3 votes
3 answers
392 views

Calculating the position of the Sun

3 votes
1 answer
790 views

Which is the shape of the sky?

3 votes
1 answer
248 views

I can't find Rigel on Tycho 2 catalogue

2 votes
1 answer
80 views

Divide a star catalogue to optimize star search

2 votes
1 answer
2k views

Conversion from Equatorial Coordinate to Horizon Coordinates

2 votes
1 answer
196 views

Calculate eccentric anomaly using Kepler's equation

1 vote
1 answer
26 views

Is it correct to say vertical conjunction?

1 vote
1 answer
434 views

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

1 vote
2 answers
378 views

R.A. and DEC. for Constellation area vertices

1 vote
0 answers
479 views

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

0 votes
1 answer
839 views

Calculate right ascension in Zenith at this moment in my location

0 votes
1 answer
152 views

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