271C5044A.html |
RA Range: 16h24m
Constraint set (Typical seeing, Transparency,Airmass, FLI, Moon distance): 0.8 2CLR 5.0 0.4 90.
| Pre-imaging run? |
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Chilean run? |
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Special calibrations? |
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| Time critical? |
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ToO? |
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Carry-over run? |
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FORS2 pre-imaging of the field of the globular cluster M4, which contains a recently detected faint (R = 23.3) optical counterpart to the pulsar B1620-26. Very crowded field. One target, one OB. Apart from reasonably good seeing conditions (< 0.8"), no serious constraints on observing conditions.
README of this run: