Within Moon illusions
Could the Moon Match the Reported UFO Position?
Matching witness direction and timing against lunar position data can quickly explain many low-horizon UFO reports.
On this page
- Testing altitude and azimuth claims
- Moon phase and illumination clues
- AI tools for lunar reconstruction
Page outline Jump by section
Introduction
Many UFO reports involving a bright object near the horizon can be tested within minutes by checking where the Moon actually was. A witness may describe a hovering orb, a silent disc above rooftops, or a glowing object pacing a moving car, yet a reconstruction of moonrise, moonset, altitude and azimuth often shows the Moon sitting in almost the exact reported position. In AI-assisted UFO sighting investigation, this is one of the fastest ways to separate potentially unusual events from common astronomical misidentifications.
Moon checks matter most when a sighting occurs shortly after moonrise or before moonset. At those times, the Moon is low on the horizon, heavily affected by haze, cloud and foreground obstructions, and more likely to appear distorted, oversized or strangely coloured. NASA and astronomy researchers note that the “Moon illusion” and atmospheric scattering can dramatically alter perceived size and colour near the horizon. NASA Science [Live Science]livescience.comContrary to early beliefs attributing the illusion to atmospheric refraction or mist, modern photography disproves these claims by showin…
Why low-horizon Moon sightings are repeatedly mistaken for UFOs
The Moon becomes a particularly strong UFO candidate when three factors combine:
- the object is reported low in the sky
- the witness gives a rough compass direction
- the event happened near moonrise or moonset
A bright full or near-full Moon near the horizon can appear orange, red, unusually large or partially obscured. Thin cloud may erase the familiar circular outline. Trees, buildings or hills can break the disc into fragments that resemble multiple lights or structured shapes. [Sky at Night Magazine]skyatnightmagazine.comSky at Night Magazine Does the Moon look orange tonight?No, you're not seeing…6 Oct 2025 — When the Moon is low, it looks orange its light must pass through a more substantial thickness of t… [NASA Science]science.nasa.govthe moon illusion why does the moon look so big sometimesNASA ScienceThe Moon Illusion: Why Does the Moon Look So Big…24 Jan 2023 — Photographers can simulate the Moon illusion by taking pict…
Witnesses often describe:
- a hovering craft
- a stationary glowing orb
- a huge silent object beyond rooftops
- a light pacing their vehicle
- an object appearing and disappearing behind cloud
In moving-car sightings, the illusion becomes stronger because distant celestial objects maintain roughly the same bearing while foreground scenery moves rapidly. This can create the impression that the object is intelligently following the observer.
For reconstruction work, investigators should immediately test whether:
- the Moon was above the horizon [aa.usno.navy.mil]aa.usno.navy.milUS Naval ObservatoryRise, Set, and Twilight DefinitionsAdding all the terms above together, the center of the Moon at rise or set is geom…
- its azimuth matched the witness direction
- its altitude matched the claimed elevation angle
- cloud and terrain could have hidden part of the disc
- the Moon phase would produce the reported brightness and colour
Testing altitude and azimuth claims
The most important lunar reconstruction variables are altitude and azimuth.
What altitude and azimuth actually mean
Astronomy tools describe object position using the horizontal coordinate system:
- Azimuth is the compass bearing measured around the horizon
- Altitude is the angle above the horizon [timeanddate.com]timeanddate.comTime and DateAltitude & Azimuth: The Horizontal Coordinate SystemThe azimuth is the angle between the spot where that line crosses the ho…
For example:
[* azimuth 90° = east]timeanddate.comHow to Use: Sun & Moon City PageNorth has an azimuth value of 0 degrees, east is 90 degrees, south is 180 degrees, and west is 270 degree… [* azimuth 180° = south]timeanddate.comHow to Use: Sun & Moon City PageNorth has an azimuth value of 0 degrees, east is 90 degrees, south is 180 degrees, and west is 270 degree… [* azimuth 270° = west]timeanddate.comHow to Use: Sun & Moon City PageNorth has an azimuth value of 0 degrees, east is 90 degrees, south is 180 degrees, and west is 270 degree… [* altitude 0° = horizon]timeanddate.comTime and DateAltitude & Azimuth: The Horizontal Coordinate SystemThe azimuth is the angle between the spot where that line crosses the ho…
- altitude 45° = halfway to overhead
Time and astronomy reference systems use these coordinates to calculate where the Moon appeared from a specific location at a specific time. [Time and Date]timeanddate.comTime and DateAltitude & Azimuth: The Horizontal Coordinate SystemThe azimuth is the angle between the spot where that line crosses the ho… [US Naval Observatory]aa.usno.navy.milUS Naval Observatory Altitude and Azimuth of the Sun or Moon During One DaySimply specify the object, date…Read more…
Why witness direction matters more than object shape
Witnesses frequently misjudge shape, size and distance, especially at night. Direction is often more reliable.
If a report says:
- “large orange object in the south-west”
- “bright disc above the tree line”
- “hovering low over the hills”
- “object remained stationary for 20 minutes”
then investigators can compare the report with lunar position data.
If the Moon was:
- azimuth 224°
- altitude 7°
- 92% illuminated
- setting behind low cloud
then the match may already explain most of the sighting.
This does not automatically prove the witness saw the Moon, but it strongly shifts the burden of explanation. A reconstruction should then test whether environmental conditions could produce the reported appearance.
Why moonrise and moonset are especially important
The Moon is visually most deceptive near the horizon.
[Near moonrise or moonset:]weather.govSunrise & Sunset / Moonrise & MoonsetOfficial sunrise and sunset data obtained from The US Naval Observatory because of small differences…
- atmospheric scattering increases
- haze reddens the Moon
- refraction distorts its shape
- foreground objects create false motion cues
- the Moon illusion exaggerates perceived size [science.nasa.gov]science.nasa.govphotographing the moon illusionthe Moon Illusion12 Feb 2025 — That squashed look is due to Earth's atmosphere behaving like a weak lens with moonlight being bent more n…
NASA notes that photographs show the Moon is not physically larger at the horizon even though people strongly perceive it that way. [NASA Science]science.nasa.govthe moon illusion why does the moon look so big sometimesNASA ScienceThe Moon Illusion: Why Does the Moon Look So Big…24 Jan 2023 — Photographers can simulate the Moon illusion by taking pict…
US Naval Observatory material also notes that refraction alters the apparent position of the Moon near the horizon. [US Naval Observatory]aa.usno.navy.milUS Naval Observatory Altitude and Azimuth of the Sun or Moon During One DaySimply specify the object, date…Read more…
In practical UFO reconstruction, this means a witness may sincerely report:
- a gigantic object
- a structured disc
- an impossibly low hovering craft
even though the Moon’s true angular size barely changes.
Moon phase and illumination clues
Moon phase is often overlooked in UFO investigations, yet it can rapidly rule explanations in or out.
Brightness and visibility constraints
A crescent Moon behaves very differently from a full Moon.
[A near-full Moon:]science.nasa.govphotographing the moon illusionthe Moon Illusion12 Feb 2025 — That squashed look is due to Earth's atmosphere behaving like a weak lens with moonlight being bent more n…
- dominates the sky
- penetrates haze and thin cloud
- creates strong glare
- is easily visible through foreground gaps
A thin crescent:
- is dimmer
- lower contrast
- less likely to create dramatic “orb” reports
If a witness describes:
- intense brightness
- glowing cloud illumination
- visible reflections
- strong orange or silver light
then investigators should verify whether the Moon phase supports that description.
Moon phase calculators and lunar ephemeris data can reconstruct:
- illumination percentage
- lunar age
- rise and set times
- altitude curves throughout the night
Tools such as the US Naval Observatory data services and Time and Date’s Moon calculators provide these values directly. [US Naval Observatory]aa.usno.navy.milUS Naval Observatory Altitude and Azimuth of the Sun or Moon During One DaySimply specify the object, date…Read more… [Time and]timeanddate.comTime and DateAltitude & Azimuth: The Horizontal Coordinate SystemThe azimuth is the angle between the spot where that line crosses the ho…
Cases where phase data weakens a Moon explanation
Lunar explanations become weaker when:
- the Moon was below the horizon
- illumination was too low
- the reported direction does not match
- the object allegedly crossed large sections of sky rapidly
- witnesses independently observed structured manoeuvres inconsistent with a stationary celestial source
This distinction matters in balanced UFO analysis. Moon checks are powerful screening tools, but they are not universal explanations.
A strong reconstruction separates:
- confirmed lunar matches
- plausible but uncertain matches
- weak correlations
- clearly incompatible cases
Reconstructing a sighting with AI-assisted lunar analysis
Modern UFO investigation workflows increasingly automate lunar checks because the required data is structured and highly predictable.
The minimum reconstruction workflow
A useful AI-assisted pipeline typically starts with:
- witness time
- witness location
- viewing direction
- duration
- estimated object elevation
An automated system can then query astronomy datasets to calculate:
[* moonrise and moonset]weather.govSunrise & Sunset / Moonrise & MoonsetOfficial sunrise and sunset data obtained from The US Naval Observatory because of small differences… [* azimuth over time]timeanddate.comTime and DateAltitude & Azimuth: The Horizontal Coordinate SystemThe azimuth is the angle between the spot where that line crosses the ho… [* altitude over time]timeanddate.comTime and DateAltitude & Azimuth: The Horizontal Coordinate SystemThe azimuth is the angle between the spot where that line crosses the ho… [* phase and illumination]timeanddate.comFAQ: Moonrise, Moonset, and Moon PhaseOur lunar calendar shows the time of moonrise, moonset, and Moon phases for now, today, tomorrow, o…
- twilight conditions
The system can compare these values against the witness account and assign a confidence score for possible lunar misidentification.
For example:
- witness reports object low in west at 21:15 [* Moon altitude = 4°]aa.usno.navy.milUS Naval Observatory Altitude and Azimuth of the Sun or Moon During One DaySimply specify the object, date…Read more… [* Moon azimuth = 261°]aa.usno.navy.milUS Naval Observatory Altitude and Azimuth of the Sun or Moon During One DaySimply specify the object, date…Read more…
- illumination = 98%
- weather data shows haze [weather.gov]weather.govSunrise & Sunset / Moonrise & MoonsetOfficial sunrise and sunset data obtained from The US Naval Observatory because of small differences…
That combination strongly supports a lunar candidate explanation.
Terrain-aware reconstruction
More advanced systems combine lunar data with terrain and built-environment modelling.
This matters because a witness rarely sees the true geometric horizon. Hills, rooftops and trees can:
- delay apparent moonrise
- hide the lower lunar disc
- create intermittent visibility
- generate “jumping” or “tracking” effects through gaps
AI systems can combine:
- digital elevation models
- street-view imagery
- line-of-sight calculations
- weather archives
- witness camera position estimates
to simulate what the observer likely saw from ground level.
This is particularly useful in roadside UFO reports where the Moon repeatedly disappears behind buildings or woodland while maintaining the same distant bearing.
Why automation works well here
Moon reconstruction is unusually suitable for automation because:
- lunar motion is predictable
- historical astronomy data is precise
- timestamps are easy to compare computationally
- false positives can be ranked statistically
Unlike many UFO evidence categories, lunar position data is objective and reproducible. Two investigators using the same coordinates and timestamp should obtain nearly identical results.
Common failure modes in Moon-based explanations
Moon explanations can still be overused or applied badly.
Incorrect timestamps
Many UFO reports contain uncertain times:
- estimates rounded to nearest hour
- incorrect time zones
- daylight saving confusion
- delayed reporting
Even a 30-minute error can significantly alter the Moon’s altitude near the horizon.
Wrong witness direction
Witnesses often use approximate directions:
- “west” may actually mean south-west
- “over the hills” may refer to a remembered landmark rather than true bearing
Investigators should treat direction claims probabilistically rather than as exact measurements.
Ignoring cloud structure
Cloud can dramatically change appearance.
A reconstruction that checks only Moon position but ignores:
- cloud layers
- haze
- fog
- smoke
- foreground obstruction
may miss the mechanism that created the UFO-like appearance.
The strongest analyses integrate astronomy and weather data together rather than treating them separately.
AI tools for lunar reconstruction
Several public astronomy tools are already sufficient for basic UFO screening.
Useful sources include:
- US Naval Observatory altitude and azimuth tables [aa.usno.navy.mil]aa.usno.navy.milUS Naval Observatory Altitude and Azimuth of the Sun or Moon During One DaySimply specify the object, date…Read more… [* moonrise and moonset calculators]weather.govSunrise & Sunset / Moonrise & MoonsetOfficial sunrise and sunset data obtained from The US Naval Observatory because of small differences… [* astronomy visualisation software]youtube.comMoonrise and Moonset ExplainedHow to Use Astronomy Software for Sky Observation…
- sky simulation apps
- weather archives combined with lunar overlays
The US Naval Observatory provides historical altitude and azimuth calculations for the Moon from specific locations and times. [US Naval Observatory]aa.usno.navy.milUS Naval Observatory Altitude and Azimuth of the Sun or Moon During One DaySimply specify the object, date…Read more… [US Naval Observatory]aa.usno.navy.milUS Naval Observatory Altitude and Azimuth of the Sun or Moon During One DaySimply specify the object, date…Read more…
Time and Date provides public-facing Moon position graphs including direction, altitude and illumination data. [Time and Date]timeanddate.comTime and DateAltitude & Azimuth: The Horizontal Coordinate SystemThe azimuth is the angle between the spot where that line crosses the ho… [Time and]timeanddate.comTime and DateAltitude & Azimuth: The Horizontal Coordinate SystemThe azimuth is the angle between the spot where that line crosses the ho…
Some AI-assisted UFO projects now integrate these sources into automated intake systems that:
- parse witness narratives
- estimate likely viewing directions from text
- generate sky reconstructions
- compare reports against known astronomical objects
- flag high-probability Moon matches automatically
The practical value is speed. A large percentage of low-horizon glowing-object reports can be screened quickly before investigators spend time analysing rarer and more difficult cases.
What a strong Moon match actually looks like
A convincing lunar reconstruction usually aligns across multiple independent variables:
- timing
- compass direction
- elevation angle
- brightness
- colour
- duration
- apparent stationary behaviour
The strongest matches also explain the witness perception mechanism:
- haze causing orange colour
- trees obscuring the disc
- moving observer creating false motion
- cloud causing pulsation
- horizon illusion exaggerating size [science.nasa.gov]science.nasa.govthe moon illusion why does the moon look so big sometimesNASA ScienceThe Moon Illusion: Why Does the Moon Look So Big…24 Jan 2023 — Photographers can simulate the Moon illusion by taking pict…
When several of those conditions converge, the Moon can convincingly mimic characteristics often associated with UFO reports.
At the same time, careful UFO investigation requires discipline against overreach. A lunar explanation should only be considered strong when the geometry, environmental conditions and witness description align closely enough to explain the reported appearance without forcing the fit.
Endnotes
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Source: science.nasa.gov
Title: the moon illusion why does the moon look so big sometimes
Link: https://science.nasa.gov/solar-system/moon/the-moon-illusion-why-does-the-moon-look-so-big-sometimes/Source snippet
NASA ScienceThe Moon Illusion: Why Does the Moon Look So Big...24 Jan 2023 — Photographers can simulate the Moon illusion by taking pict...
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Source: nasa.gov
Link: https://www.nasa.gov/Source snippet
NASANational Aeronautics and Space Administration. NASA explores the unknown in air and space, innovates for the benefit of humanity, and...
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Source: nasa.gov
Title: Why Does the Moon Look Larger at the Horizon?
Link: https://www.nasa.gov/general/why-does-the-moon-look-larger-at-the-horizon-we-asked-a-nasa-scientist-episode-50/Source snippet
We...12 Feb 2025 — The atmosphere isn't magnifying the Moon. If anything, atmospheric refraction squashes it a little bit. And the Moon'...
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Source: science.nasa.gov
Link: https://science.nasa.gov/moon/formation/Source snippet
12 Feb 2026 — Analysis of light reflecting off the Moon gives details of the mineral makeup of the Moon's surface, and it shows the wides...
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Source: science.nasa.gov
Title: photographing the moon illusion
Link: https://science.nasa.gov/resource/photographing-the-moon-illusion/Source snippet
the Moon Illusion12 Feb 2025 — That squashed look is due to Earth's atmosphere behaving like a weak lens with moonlight being bent more n...
-
Source: weather.gov
Link: https://www.weather.gov/box/sunmoonSource snippet
Sunrise & Sunset / Moonrise & MoonsetOfficial sunrise and sunset data obtained from The US Naval Observatory because of small differences...
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Source: astronomy.com
Link: https://www.astronomy.com/observing/why-does-the-moon-look-so-large-sometimes-as-it-rises-on-the-horizon/Source snippet
Why does the Moon look so large sometimes as it rises on...3 Jul 2024 — The Moon illusion is more likely a trick of perception, an optic...
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Source: youtube.com
Title: Why the Moon Looks Huge on the Horizon
Link: https://www.youtube.com/watch?v=kG-64u8vV2QSource snippet
Moonrise and Moonset Explained...
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Source: youtube.com
Title: Moonrise and Moonset Explained
Link: https://www.youtube.com/watch?v=2r74-QvC16QSource snippet
How to Use Astronomy Software for Sky [Observation]({{ 'observation-vs-claim/' | relative_url }})...
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Source: livescience.com
Link: https://www.livescience.com/space/the-moon/why-does-the-moon-look-larger-when-its-on-the-horizonSource snippet
Contrary to early beliefs attributing the illusion to atmospheric refraction or mist, modern photography disproves these claims by showin...
-
Source: skyatnightmagazine.com
Title: Sky at Night Magazine Does the Moon look orange tonight?
Link: https://www.skyatnightmagazine.com/space-science/why-moon-sometimes-looks-orangeSource snippet
No, you're not seeing...6 Oct 2025 — When the Moon is low, it looks orange its light must pass through a more substantial thickness of t...
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Source: timeanddate.com
Link: https://www.timeanddate.com/astronomy/horizontal-coordinate-system.htmlSource snippet
Time and DateAltitude & Azimuth: The Horizontal Coordinate SystemThe azimuth is the angle between the spot where that line crosses the ho...
-
Source: aa.usno.navy.mil
Title: US Naval Observatory Altitude and Azimuth of the Sun or Moon During One Day
Link: https://aa.usno.navy.mil/data/AltAzSource snippet
Simply specify the object, date...Read more...
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Source: aa.usno.navy.mil
Link: https://aa.usno.navy.mil/faq/RST_defsSource snippet
US Naval ObservatoryRise, Set, and Twilight DefinitionsAdding all the terms above together, the center of the Moon at rise or set is geom...
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Source: aa.usno.navy.mil
Link: https://aa.usno.navy.mil/data/Source snippet
US Naval ObservatoryData ServicesTable of Sunrise/Sunset, Moonrise/Moonset, or Twilight Times for an Entire Year... Provides tables of t...
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Source: timeanddate.com
Link: https://www.timeanddate.com/moon/ -
Source: timeanddate.com
Link: https://www.timeanddate.com/moon/helpSource snippet
FAQ: Moonrise, Moonset, and Moon PhaseOur lunar calendar shows the time of moonrise, moonset, and Moon phases for now, today, tomorrow, o...
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Source: aa.usno.navy.mil
Link: https://aa.usno.navy.mil/data/RS_OneYear -
Source: Wikipedia
Title: Moon illusion
Link: https://en.wikipedia.org/wiki/Moon_illusionSource snippet
Moon illusionThe Moon illusion is the optical illusion of the Moon appearing larger near the horizon than it does higher up in the sky...
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Source: timeanddate.com
Title: Moonrise, Moonset, and Moon Phase in Santiago Moon Altitude: 3.27°
Link: https://www.timeanddate.com/moon/chile/santiagoSource snippet
Moon Distance: 224,928 mi. Next Full Moon: May 1, 2026... timeanddate.no · timeanddate.de. Follow Us. © Time and Date AS 1995–2026...Re...
Published: May 1, 2026
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Source: timeanddate.com
Link: https://www.timeanddate.com/astronomy/moon/location.htmlSource snippet
phases, illumination, distance from Earth, and latitude...
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Source: timeanddate.com
Link: https://www.timeanddate.com/moon/usa/denverSource snippet
Moonrise, Moonset, and Moon Phase in DenverMoonrise and moonset time, Moon direction, and Moon phase in Denver – Colorado – USA for May 2...
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Source: timeanddate.com
Link: https://www.timeanddate.com/moon/%404416153Source snippet
Moonrise, Moonset, and Moon Phase in AltitudeMoonrise and moonset time, Moon direction, and Moon phase in Altitude – Mississippi – USA fo...
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Source: timeanddate.com
Title: Moonrise, Moonset, and Moon Phase in Riyadh Current Time
Link: https://www.timeanddate.com/moon/saudi-arabia/riyadhSource snippet
Moon Direction: 235.94° SW↑. Moon Altitude: 13.01°. Moon Distance: 248,767 mi. Next New Moon: May 16, 2026, 11:01 pm.Read more...
Published: May 16, 2026
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Source: timeanddate.com
Link: https://www.timeanddate.com/moon/%404684723Source snippet
Moonrise, Moonset, and Moon Phase in CypressMoonrise and moonset time, Moon direction, and Moon phase in Cypress – Texas – USA for May 20...
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Source: timeanddate.com
Title: new york
Link: https://www.timeanddate.com/moon/usa/new-yorkSource snippet
Moon Direction: 264.22° W↑. Moon Altitude: 16.23°. Moon Distance: 237,575 mi. Next Full Moon: Mar 3, 2026, 6:37 am.Read more...
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Source: timeanddate.com
Link: https://www.timeanddate.com/astronomy/help.htmlSource snippet
How to Use: Sun & Moon City PageNorth has an azimuth value of 0 degrees, east is 90 degrees, south is 180 degrees, and west is 270 degree...
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Link: https://dev.timeanddate.com/docs/astro/astrodataSource snippet
API: Astro Position ServiceThe Astro Position Service can be used to retrieve the altitude, azimuth and distance to the Moon and the Sun...
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Link: https://earthsky.org/space/video-the-moon-illusion/Source snippet
n you. It's called the moon illusion...
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Source: pmc.ncbi.nlm.nih.gov
Link: https://pmc.ncbi.nlm.nih.gov/articles/PMC26692/Source snippet
the moon illusion - PMCby L Kaufman · 2000 · Cited by 126 — An old explanation of the moon illusion holds that various cues place the hor...
Additional References
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Source: gml.noaa.gov
Link: https://gml.noaa.gov/grad/solcalc/azel.htmlSource snippet
Position CalculatorAzimuth is measured in degrees clockwise from north. Elevation is measured in degrees up from the horizon. Az & El bot...
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Source: arxiv.org
Title: At the horizon, apparent distance to the sky is minimal, whereas at the zenith
Link: https://arxiv.org/abs/1301.2715Source snippet
Binocular disparity as an explanation for the moon illusionby J Antonides · 2013 · Cited by 3 — As the apparent distance to the sky decre...
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Source: airmass.org
Link: https://airmass.org/notesSource snippet
Description of methods and algorithmsTool for planning astronomical observations: shows the observability of celestial objects by plottin...
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Source: admiralty.co.uk
Link: https://www.admiralty.co.uk/publications/astronomical-publications/miscellaneous-Astronomical-PublicationsSource snippet
Miscellaneous ADMIRALTY Astronomical PublicationsVolume 1 contains the altitude to 1' and true azimuth to 1° for the seven stars most sui...
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Source: cseligman.com
Link: https://cseligman.com/text/sky/moonillusion.htmSource snippet
The Moon IllusionIn reality, the Moon's image is actually smaller when it is on the horizon than when it is higher in the sky; as a resul...
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Source: github.com
Link: https://github.com/Timac/SunCalcSource snippet
Timac/SunCalc: Swift package to calculate the Sun and...SunCalc is a Swift package to calculate the sun position, sunlight phases (times...
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Source: reddit.com
Link: https://www.reddit.com/r/Astronomy/comments/1870ckd/unusual_moon_azimuth/Source snippet
Unusual Moon Azimuth?: r/AstronomyHey I'm trying to understand the charts but I'm going to take the lazy route. It seems like last month...
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Source: aa.usno.navy.mil
Link: https://aa.usno.navy.mil/data/celnavSource snippet
Navigation Data for Assumed Position and TimeThis data service provides all the astronomical information necessary to plot navigational l...
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Source: physics.stackexchange.com
Title: why does the moon sometimes appear giant and a orange red color near the horizon
Link: https://physics.stackexchange.com/questions/25254/why-does-the-moon-sometimes-appear-giant-and-a-orange-red-color-near-the-horizonSource snippet
does the moon sometimes appear giant and a orange...3 June 2011 — So, you expect more blue light to be scattered from Sunlight or Moonli...
Published: June 2011
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Source: astronomy.stackexchange.com
Title: how to calculate the time and date from the moons position phase and the orien
Link: https://astronomy.stackexchange.com/questions/60118/how-to-calculate-the-time-and-date-from-the-moons-position-phase-and-the-orienSource snippet
to calculate the time and date from the moon's...May 10, 2025 — A formula, for example, where you input the position (Azimuth/Altitude o...
Published: May 10, 2025
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