Weather and Observing Conditions


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Current DIMM Seeing

Current R2D2 DIMM seeing: live seeing versus band and airmass, plot.Time is local and equal to UT in winter and UT+1 in summer. Live seeing is averaged every 5 min (a 15-min average is also provided). Other live plots: TNG DIMM | NOT.

2026-07-09 03:03UT

WHT R2D2DIMM

0.9"
<0.9±0.1">_15'

0.7"

Red: WHTR2D2 Blue: TNG Orange: IAC. X axis is UT (courtesy of NOT).
R2D2 DIMM seeing is averaged every 5 minutes. Live unfiltered R2D2 plot.

Contact: (Astronomy Computing)
Last modified: 03 March 2026