Night Report Sky Conditions

E.g., 11/12/2025
Title Conditions
ENR CTIO Blanco 4-m 2018-08-07
General Conditions
Temperature Max: 
14.00
Temperature Min: 
8.00
Humidity Max: 
40
Humidity Min: 
15
Wind Speed Max: 
25.00
Wind Speed Min: 
5.00
Comment: 
Clear but poor seeing before midnight. Conditions improved steadily and stabilized near 1" FWHM (according to DECam) by 03:00 CLT.
1st Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
3.00
Seeing Variability: 
0.8
Seeing Source: 
The Telescope I used
Sky : 
1
2nd Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
2.00
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
0
3rd Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.70
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
0
4th Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.10
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
ENR CTIO Blanco 4-m 2018-08-06
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Overcast
Wind: 
Medium
Seeing Value: 
0.00
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky : 
8
2nd Quarter
Clouds: 
Overcast
Wind: 
Medium
Seeing Value: 
0.00
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky: 
8
3rd Quarter
Clouds: 
Overcast
Wind: 
Medium
Seeing Value: 
0.00
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky: 
8
4th Quarter
Clouds: 
Overcast
Wind: 
Medium
Seeing Value: 
0.00
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky: 
8
ENR CTIO Blanco 4-m 2018-08-05
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Seeing Value: 
1.00
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky : 
0
2nd Quarter
Clouds: 
Thin Clouds
Seeing Value: 
1.20
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
1
3rd Quarter
Clouds: 
Cirrus
Wind: 
Medium
Seeing Value: 
0.90
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
2
4th Quarter
Clouds: 
Cirrus
Wind: 
Medium
Seeing Value: 
0.90
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
2
ENR CTIO Blanco 4-m 2018-08-04
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Partially cloudy
Wind: 
Low
Seeing Value: 
1.20
Seeing Variability: 
0.4
Seeing Source: 
CTIO Seeing monitor
Sky : 
4
2nd Quarter
Clouds: 
Thin Clouds
Wind: 
Medium
Seeing Value: 
1.50
Seeing Variability: 
0.4
Seeing Source: 
CTIO Seeing monitor
Sky: 
1
3rd Quarter
Clouds: 
Cirrus
Wind: 
Medium
Seeing Value: 
1.70
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
2
4th Quarter
Clouds: 
Cirrus
Wind: 
Medium
Seeing Value: 
1.30
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
2
ENR CTIO Blanco 4-m 2018-08-03
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.20
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky : 
0
2nd Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.40
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
3rd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.40
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
0
4th Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.50
Seeing Variability: 
1.0
Seeing Source: 
The Telescope I used
Sky: 
0
ENR CTIO Blanco 4-m 2018-08-02
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Partially cloudy
Wind: 
Low
Seeing Value: 
1.00
Seeing Variability: 
0.4
Seeing Source: 
CTIO Seeing monitor
Sky : 
5
2nd Quarter
Clouds: 
Overcast
Wind: 
Low
Seeing Value: 
1.30
Seeing Variability: 
0.4
Seeing Source: 
CTIO Seeing monitor
Sky: 
8
3rd Quarter
Clouds: 
Overcast
Wind: 
Medium
Seeing Value: 
0.00
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky: 
8
4th Quarter
Clouds: 
Overcast
Wind: 
Low
Seeing Value: 
0.00
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky: 
8
ENR CTIO 1.5-m 2018-08-01
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.30
Seeing Variability: 
0.4
Seeing Source: 
CTIO Seeing monitor
Sky : 
0
2nd Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
0.80
Seeing Variability: 
0.4
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
3rd Quarter
Clouds: 
Clear
Wind: 
High
Seeing Value: 
1.30
Seeing Variability: 
0.4
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
4th Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.00
Seeing Variability: 
0.4
Seeing Source: 
CTIO Seeing monitor
Sky: 
1
ENR CTIO 1.5-m 2018-07-31
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.30
Seeing Variability: 
0.4
Seeing Source: 
CTIO Seeing monitor
Sky : 
1
2nd Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.20
Seeing Variability: 
0.4
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
3rd Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.00
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
4th Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.30
Seeing Variability: 
0.4
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
ENR CTIO Blanco 4-m 2018-07-31
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Thin Clouds
Wind: 
Medium
Seeing Value: 
1.20
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky : 
3
2nd Quarter
Clouds: 
Thin Clouds
Wind: 
High
Seeing Value: 
1.00
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
1
3rd Quarter
Clouds: 
Clear
Wind: 
High
Seeing Value: 
1.20
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
4th Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.20
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
ENR CTIO 1.5-m 2018-07-30
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Thin Clouds
Wind: 
Low
Seeing Value: 
1.30
Seeing Variability: 
0.4
Seeing Source: 
CTIO Seeing monitor
Sky : 
3
2nd Quarter
Clouds: 
Partially cloudy
Wind: 
Medium
Seeing Value: 
0.80
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
6
3rd Quarter
Clouds: 
Overcast
Wind: 
Medium
Seeing Value: 
0.00
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky: 
8
4th Quarter
Clouds: 
Overcast
Wind: 
Medium
Seeing Value: 
0.00
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky: 
8

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