minute of arc

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minute of arc

(arc minute; arc min) See arc second.
References in periodicals archive ?
Each 1-arcsecond resolution product was converted to 3 arcseconds using a method appropriate to the type of data.
5 arcseconds by the end of the period, at which time it will be rising some 45 minutes before midnight.
3 arcseconds apart that were cleanly split in the scope, looking like two bright headlights.
This implies, mainly for the inner (and faster) satellites, an angular indeterminacy of many arcseconds.
Aim your scope at Venus and you'll discover that its disk is almost full, though only 10 arcseconds wide.
66 arcseconds -- comparable to the separation of two auto headlights viewed from 100 miles away.
3 arcseconds per year; in 500,000 years it will have retreated too far to be visible to the naked eye
Although just 7 arcseconds wide when it's most favorably placed this month, the planet's disk is in the shape of a miniature first-quarter Moon.
has succesfully measured the positions of five stars to an accuracy of 3 arcseconds and tracked them over wide angles (greater than 20|) as the earth rotated.
3 arcseconds at a red-light wavelength of 630 nm--much smaller than the 2 1/2-arcsecond daytime seeing I expect to encounter.
Its slightly gibbous disk is 18 arcseconds wide and growing as the distance between Venus and Earth steadily shrinks.
Once installed, the unit produces an 11[degrees] x 8[degrees] field of view and its PoleMaster software then quickly identifies the star field and locates your mount's true polar axis --allowing you to adjust your alignment until you are within 30 arcseconds of the pole.