Comments (2)
covidnineteen
commented on August 22, 2024
Here is an example of why I want to do this; I used a different library to build that example - it's based of Meeus
from astronomia.
covidnineteen
commented on August 22, 2024
Let's try to match the NASA Horizons output here: https://ssd.jpl.nasa.gov/horizons.cgi
Do it for "central London" : Topocentric (Ā 0Ā°07'40.1''W, 51Ā°30'26.6''NĀ )
On January 1st 2020 at 00:00:00
| Quantity | NASA | code (in context of above) | astronomia | agreement |
|---|---|---|---|---|
| Julian Day | 2458849.5 | calendar.toJD() | 2458849.5 | |
| Right Ascension | 348.38086 | eclipticMoonPosition._ra / Math.PI * 180 | 346.143595306839331 | |
| Declination | -10.73621 | eclipticMoonPosition._dec / Math.PI * 180 | -4.89415732560423 |
Bit stuck - not sure quite what I'm doing wrong
from astronomia.
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from astronomia.