| 21. | Covering 380 square degrees or 0.921 % of the sky, it ranks 43rd of the 88 currently-recognized constellations in size.
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| 22. | This combination of instruments provided a field of view of 2.88 by 2.88 degrees ( 8.3 square degrees ).
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| 23. | The survey utilized 14-inch square photographic plates, covering about 6?of sky per side ( approximately 36 square degrees per plate ).
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| 24. | Each TH4 unit monitors 64 square degrees of sky at a time, so each site is capable of monitoring 128 square degrees of sky.
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| 25. | Each TH4 unit monitors 64 square degrees of sky at a time, so each site is capable of monitoring 128 square degrees of sky.
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| 26. | The LAS ( extra-Galactic ) covers an area of 4000 square degrees in YJHK to a depth of K = 18.4.
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| 27. | J-PAS will observe more than 8000 square degrees ( about 1 / 5 of the whole sky ) during 5 / 6 years.
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| 28. | ULTRASAT will observe a large patch of sky, more than 200 square degrees, alternating every six months between the southern and northern hemisphere.
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| 29. | The very large field of view of the telescope and the short exposure times enable approximately 6000 square degrees of sky to be imaged every night.
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| 30. | For comparison, both the Sun and the Moon, as seen from Earth, are 0.5 degrees across, or 0.2 square degrees.
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