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94 lines
2.3 KiB
Markdown
94 lines
2.3 KiB
Markdown
[**moon-sighting v1.1.1**](../README.md)
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***
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[moon-sighting](../README.md) / Observer
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# Interface: Observer
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Defined in: [types.ts:86](https://github.com/acamarata/moon-sighting/blob/2992dcee216cb24cc74542f6e8d5a6f4f0d16e05/src/types.ts#L86)
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Observer location and environmental parameters
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## Properties
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### deltaT?
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> `optional` **deltaT?**: `number`
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Defined in: [types.ts:100](https://github.com/acamarata/moon-sighting/blob/2992dcee216cb24cc74542f6e8d5a6f4f0d16e05/src/types.ts#L100)
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Override TT - UT1 in seconds.
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When provided, used directly. Otherwise the built-in polynomial is used.
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For maximum accuracy, supply the current IERS value (typically within ±0.9s).
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***
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### elevation
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> **elevation**: `number`
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Defined in: [types.ts:92](https://github.com/acamarata/moon-sighting/blob/2992dcee216cb24cc74542f6e8d5a6f4f0d16e05/src/types.ts#L92)
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Height above WGS84 ellipsoid in meters
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***
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### lat
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> **lat**: `number`
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Defined in: [types.ts:88](https://github.com/acamarata/moon-sighting/blob/2992dcee216cb24cc74542f6e8d5a6f4f0d16e05/src/types.ts#L88)
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Geodetic latitude in degrees (north positive)
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***
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### lon
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> **lon**: `number`
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Defined in: [types.ts:90](https://github.com/acamarata/moon-sighting/blob/2992dcee216cb24cc74542f6e8d5a6f4f0d16e05/src/types.ts#L90)
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Longitude in degrees (east positive)
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***
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### name?
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> `optional` **name?**: `string`
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Defined in: [types.ts:94](https://github.com/acamarata/moon-sighting/blob/2992dcee216cb24cc74542f6e8d5a6f4f0d16e05/src/types.ts#L94)
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Optional label for the location
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***
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### pressure?
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> `optional` **pressure?**: `number`
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Defined in: [types.ts:107](https://github.com/acamarata/moon-sighting/blob/2992dcee216cb24cc74542f6e8d5a6f4f0d16e05/src/types.ts#L107)
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Atmospheric pressure in millibars (default 1013.25)
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***
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### temperature?
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> `optional` **temperature?**: `number`
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Defined in: [types.ts:109](https://github.com/acamarata/moon-sighting/blob/2992dcee216cb24cc74542f6e8d5a6f4f0d16e05/src/types.ts#L109)
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Ambient temperature in Celsius (default 15)
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***
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### ut1utc?
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> `optional` **ut1utc?**: `number`
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Defined in: [types.ts:105](https://github.com/acamarata/moon-sighting/blob/2992dcee216cb24cc74542f6e8d5a6f4f0d16e05/src/types.ts#L105)
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Override UT1 - UTC in seconds (from IERS Bulletin A).
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Takes precedence over deltaT when both are provided.
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