Discussions

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  about javascript's Date Object, year 1582's lost 10 days problem and previous Date's leap years problem

  hh-in-zhuzhou started Jan 27, 2023 in General

  

  

  

  

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  Calculating the ascendant and midheaven

  KurtPreston asked Mar 27, 2024 in Q&A · Closed · Answered

  

  

  

  

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  Add arcminutes and arcseconds for sexagesimal system

  lulunac27a started Mar 29, 2024 in Ideas

  

  

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  I'm not sure I'm using Astronomy_SearchRiseSet correctly

  meshula started Mar 30, 2024 in General · Closed

  

  

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  Geocentric altitude/az of the sun and moon.

  hidp123 asked Apr 6, 2023 in Q&A · Answered

  

  

  

  

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  position angle of axis and sub-sun point (feat. in Chapter53 Meeus

  YingChangJ started Mar 26, 2024 in Ideas

  

  

  

  

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  Planet zodiac

  ZenSpec asked Mar 20, 2024 in Q&A · Answered

  

  

  

  

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  How is the new moon conjunction defined?

  hidp123 asked Mar 16, 2024 in Q&A · Unanswered

  

  

  

  

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  Calculate current day, direction

  2075 asked Mar 5, 2024 in Q&A · Unanswered

  

  

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  Stereographic Projection

  offsky started Oct 13, 2021 in Show and tell

  

  

  

  

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  Small typo in js doc and a small question of coordinates transform

  YingChangJ asked Nov 10, 2023 in Q&A · Answered

  

  

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  Moon parallactic, position, and zenith angles

  sbooth started Oct 22, 2023 in General

  

  

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  Adding Go programming language support to Astronomy Engine

  cosinekitty started Oct 3, 2023 in General

  

  

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  planet positions in ecliptic coordinates of date

  GernotSchreider asked Oct 2, 2023 in Q&A · Unanswered

  

  

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  demo/c/positions.c: uses J2000 for RA/DEC but OF_DATE for horizontal coordinates

  KJ7NLL started May 12, 2023 in General

  

  

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  Lunar moon change

  arumdyaharum asked Jun 17, 2023 in Q&A · Unanswered

  

  

  

  

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  _CalcBodyAccelerations() in astronomy.py

  DarkSky7 started Jun 22, 2023 in General

  

  

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  Drivers/Vpython visualizations/examples?

  DarkSky7 started Jun 20, 2023 in General

  

  

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  how to determine the date and time when the moon will be in a certain part of the sky

  David-Valters asked Jun 17, 2023 in Q&A · Unanswered

  

  

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  convert longitude to date

  arumdyaharum asked Jun 10, 2023 in Q&A · Answered

  

  

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  Asteroids, comets, minor planets, and externally-defined bodies

  enhancement New feature or request

  cosinekitty asked Nov 23, 2021 in Q&A · Unanswered

  

  

  

  

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  Calculate the next day when the star rises, whilst it's dark

  marcmayo started Apr 21, 2023 in General

  

  

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  Simple way to obtain Moon Angles in Kotlin.

  amoledwatchfaces asked Apr 6, 2023 in Q&A · Answered

  

  

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  Get the 8 phases instead of quarters

  costular asked Apr 5, 2023 in Q&A · Unanswered

  

  

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  How to find the min elevation for the moon within 24 hours

  bjarkeandersen asked Mar 14, 2023 in Q&A · Answered

  

  

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