Observer

moon-sighting v1.1.1

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moon-sighting / Observer

Interface: Observer

Defined in: types.ts:86

Observer location and environmental parameters

Properties

deltaT?

optional deltaT?: number

Defined in: types.ts:100

Override TT - UT1 in seconds. When provided, used directly. Otherwise the built-in polynomial is used. For maximum accuracy, supply the current IERS value (typically within ±0.9s).

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elevation

elevation: number

Defined in: types.ts:92

Height above WGS84 ellipsoid in meters

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lat

lat: number

Defined in: types.ts:88

Geodetic latitude in degrees (north positive)

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lon

lon: number

Defined in: types.ts:90

Longitude in degrees (east positive)

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name?

optional name?: string

Defined in: types.ts:94

Optional label for the location

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pressure?

optional pressure?: number

Defined in: types.ts:107

Atmospheric pressure in millibars (default 1013.25)

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temperature?

optional temperature?: number

Defined in: types.ts:109

Ambient temperature in Celsius (default 15)

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ut1utc?

optional ut1utc?: number

Defined in: types.ts:105

Override UT1 - UTC in seconds (from IERS Bulletin A). Takes precedence over deltaT when both are provided.