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Nightly Weather and Observing Conditions
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Night 16/09/2026
URL: https://a.ing.iac.es/s/?749e64
NightWea. lostTech. lostOtherObservedObs. log
WHT09:0400:0000:00 00:00 09:04Header
Julian day 2461300
Sunset 19:24 UT
Eve. twilight 20:36 UT
Mor. twilight 05:38 UT
Sunrise06:51 UT
Moon coordinates 16h02m -26d02m (00:00 UT)
Moon illumination 32% (01:00 UT)
Sky brightness Grey: 20:36-22:33 UT. Dark: 22:33-5:38 UT (approx.)
Night length 9h
Middle of the night 01:06 UT (00:36 LST)
Object visibility 17:52-05:19 LST
==> more ephemerides


SQM Sky Brightness



TESS Sky Brightness and clouds (tsky)



Dust


Seeing
WHT R2D2 Average & median [ Data ]


Moon Visibility




Movies


GTC all-sky camera [ GIF ]

MAGIC all-sky camera [ GIF ]



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Last modified: 15 March 2026
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