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Untwinkling the stars--Part 1
Recently declassified experiments in adaptive optics offer astronomersnew tools that will soon revolutionize ground-based astronomy. It willenable astronomers to attain full diffraction-limited performance. Thetopics covered include the following: laser beacons; the first beacontrails; the discovery of the laser-beacon concept by astronomers;real-time correction; unwanted laser light; beacon requirements; andtilt correction.
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Observation and Astrometry data
| Constellation: | Cetus |
| Right ascension: | 02h32m42.13s |
| Declination: | +01°02'01.3" |
| Apparent magnitude: | 7.255 |
| Distance: | 148.588 parsecs |
| Proper motion RA: | -20.4 |
| Proper motion Dec: | 0.7 |
| B-T magnitude: | 8.366 |
| V-T magnitude: | 7.347 |
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NEWS@SKY (Science&Space News)
