What is magnetic declination
in Astréa, Northern Mariana Isl.?
Answer: -18.43° (-18°25')

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Astréa
Latitude: 20° 23' 27" S
Longitude: 57° 37' 44" E
ASTREA
Magnetic Declination: -18° 26'
Declination is NEGATIVE (WEST)
Inclination: 53° 35'
Magnetic field strength: 39863.5 nT

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