Ukubona ilanga kuyindlela yokulinganisa yokunquma i-azimuth yomugqa ngokwezinkanyezi, okungukuthi, ngokubhula elangeni.
Ukubuka ilanga kungenziwa ekuseni noma kusihlwa. Nokho ukuphakama observation elangeni kufanele okungenani 10 °.
Okungenani amasethi amabili (2) okubuka okuqhubekayo, nesethi ngayinye yokubhekwa equkethe okumaphakathi okubili (2) ukuya enkabeni yelanga ezimpambanweni zomgwaqo kwesokunxele nakwesokudla. Isethi yesithathu (3) izothathwa uma igridi ephethe umehluko phakathi kwesethi yokuqala (1) nesethi yesibili (2) idlula u-10 ”.
Kubuyekezwe ngo-
Feb 17, 2025