Interface LocalSolarEclipse

A solar eclipse as seen from one place. Instants are Julian days (UT).

interface LocalSolarEclipse {
    firstContact: number;
    fourthContact: number;
    magnitude: number;
    maximum: number;
    obscuration: number;
    secondContact: number | null;
    thirdContact: number | null;
    type: LocalSolarEclipseType;
}

Properties

firstContact: number

C1 — the Moon first dents the Sun.

fourthContact: number

C4 — the Sun is whole again.

magnitude: number

Magnitude at maximum, NASA convention: fraction of the solar diameter covered (partial), Moon/Sun diameter ratio (total/annular).

maximum: number

Instant of greatest local eclipse (least disc separation).

obscuration: number

Fraction of the Sun's disc area covered at maximum, 0–1.

secondContact: number | null

C2 — totality/annularity begins here (null when partial).

thirdContact: number | null

C3 — totality/annularity ends here (null when partial).

What this site sees at local maximum.