Nautical words



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Sun over Foreyard. Nautical equivalent to Time we had a drink.'

Sun Pillar. Vertical shaft of light, above or below Sun, caused by reflection of sunlight from small snow crystals.

Sunrise. For nautical purposes is when Sun's upper limb is in eastern horizon. Zenith distance is then 90° 50’ (Refr. 34', S.D. 16)

Sunset. For nautical purposes is when Sun's upper limb is in western horizon. Zenith distance is then 90° 50.

Sun Sights. Altitudes of Sun taken to fix ship's position by position lines.

Sunspot Numbers. Used for indicating amount of Sun's disc covered by spots; 100 represents 0.2 of disc covered. In last 190 years the sunspot number has not exceeded 139.

Sunspots. Dark areas observable on Sun's disc, and due to vortices in its incandescent envelope. Though coincident with magnetic fluctuations and meteorological phenomena they are not neces­sarily responsible for them.

Super. Colloquial name for a marine superintendent.

Supercargo. Man formerly carried in a ship to supervise the loading and discharge of cargo, and to transact business concerning it.


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