MoonSightingReport

moon-sighting v1.1.1

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moon-sighting / MoonSightingReport

Interface: MoonSightingReport

Defined in: types.ts:344

Properties

bestTimeUTC

bestTimeUTC: Date | null

Defined in: types.ts:356

Best observation time (Odeh/Yallop: T_s + 4/9 * Lag)

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bestTimeWindowUTC

bestTimeWindowUTC: [Date, Date] | null

Defined in: types.ts:358

Conservative observation window [bestTime - 20min, bestTime + 20min]

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date

date: Date

Defined in: types.ts:346

Date for which the sighting report was computed

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ephemerisSource

ephemerisSource: "DE442S" | "approximate"

Defined in: types.ts:386

Source ephemeris used for this calculation

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geometry

geometry: CrescentGeometry | null

Defined in: types.ts:371

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guidance

guidance: string

Defined in: types.ts:382

Plain-language direction for observers. Includes where to look (azimuth, altitude), when (best time), and what to expect.

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illumination

illumination: number | null

Defined in: types.ts:366

Moon illumination percent at best time

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lagMinutes

lagMinutes: number | null

Defined in: types.ts:354

Moonset minus sunset, in minutes. Null if either event is null.

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moonAboveHorizon

moonAboveHorizon: boolean | null

Defined in: types.ts:388

Whether the Moon is even above the horizon at best time

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moonAge

moonAge: number | null

Defined in: types.ts:368

Hours since conjunction (new moon)

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moonPosition

moonPosition: AzAlt | null

Defined in: types.ts:362

Topocentric Moon position at best time

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moonsetUTC

moonsetUTC: Date | null

Defined in: types.ts:352

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observer

observer: Observer

Defined in: types.ts:348

Observer location used

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odeh

odeh: OdehResult | null

Defined in: types.ts:375

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sightingPossible

sightingPossible: boolean

Defined in: types.ts:390

Whether sighting is geometrically possible (lag > 0, Moon above horizon at best time)

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sunPosition

sunPosition: AzAlt | null

Defined in: types.ts:364

Topocentric Sun position at best time

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sunsetUTC

sunsetUTC: Date | null

Defined in: types.ts:351

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yallop

yallop: YallopResult | null

Defined in: types.ts:374