We are currently sailing at XX East longitude and △△ North latitude!
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I generate illustrations regardless of genre in a local or MJ/NJ environment. I mainly post to today's subject. Best regards.
During the voyage, we perform astronomical observations to determine the current position of the ship. Since ancient times, the constellations and astronomical observations while sailing (astronomical navigation) have been inseparable, and the devices used for astronomical observations at that time still remain in the official 88 constellations (sextants and octants). continue.
