Observation location setting
You can select the observation location by:
1) select the city from the list; 2) input the latitude and longitude directly; 3) click your location on the world map.

Region  Country   City   Longitude   E W Latitude   S N

Observation date and time 
Our program will select the time zone for you. If the displayed data is wrong, please make necessary adjustment.

year month day hour

Time Zone

Star Map Configuration
Please select the dimmest stars magnitude to be shown on the star map by clicking the radio buttons. You can also check the box to show the celestial poles, celestial equator, ecliptic, and other objects.

Dimmest stars magnitude   5.5 5 4.5 4 3.5 3 Star Map Size  small middle  large Positions of Celestial Poles Celestial Equator Ecliptic  Sun Moon Five Planets Deep Sky Objects Comets Meteor Showers

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