Night Report Sky Conditions

E.g., 11/12/2025
Title Conditions
ENR CTIO Blanco 4-m 2018-10-17
General Conditions
Temperature Max: 
11.00
Temperature Min: 
9.00
Humidity Max: 
40
Humidity Min: 
27
Wind Speed Max: 
19.00
Wind Speed Min: 
5.00
Comment: 
Photometric http://des-ops.fnal.gov:8080/nightsum/nightsum-2018-10-17/nightsum.html
1st Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.00
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky : 
0
2nd Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.20
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
3rd Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
0.80
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
4th Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.30
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
ENR CTIO Blanco 4-m 2018-10-16
General Conditions
Temperature Max: 
8.00
Temperature Min: 
5.00
Humidity Max: 
48
Humidity Min: 
41
Wind Speed Max: 
22.00
Wind Speed Min: 
8.00
Comment: 
None.
1st Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.30
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky : 
0
2nd Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.60
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
3rd Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.40
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
0
4th Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.40
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
0
ENR CTIO Blanco 4-m 2018-10-15
General Conditions
Temperature Max: 
10.00
Temperature Min: 
10.00
Humidity Max: 
45
Humidity Min: 
32
Wind Speed Max: 
15.00
Wind Speed Min: 
0.00
Comment: 
None.
1st Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.40
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky : 
0
2nd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.30
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
0
3rd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.50
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
0
4th Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.50
Seeing Variability: 
0.6
Seeing Source: 
The Telescope I used
Sky: 
0
ENR CTIO Blanco 4-m 2018-10-14
General Conditions
Temperature Max: 
12.00
Temperature Min: 
12.00
Humidity Max: 
32
Humidity Min: 
28
Wind Speed Max: 
15.00
Wind Speed Min: 
5.00
Comment: 
Clear, stable, photometric night with moderate seeing.
1st Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.70
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky : 
0
2nd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.70
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
0
3rd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.70
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
0
4th Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.70
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
0
ENR CTIO Blanco 4-m 2018-10-13
General Conditions
Comment: 
Closed twice by clouds. Observed through clouds part of the time. The seeing was poor all night and worse than the maximum allowed to be entered below. Data of marginal utility.
1st Quarter
Clouds: 
Partially cloudy
Wind: 
Low
Seeing Value: 
3.00
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky : 
7
2nd Quarter
Clouds: 
Partially cloudy
Wind: 
Low
Seeing Value: 
3.00
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
7
3rd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
3.00
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
0
4th Quarter
Clouds: 
Partially cloudy
Wind: 
Low
Seeing Value: 
3.00
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
2
ENR CTIO Blanco 4-m 2018-10-13
General Conditions
Comment: 
Closed twice by clouds. Observed through clouds part of the time. The seeing was poor all night and worse than the maximum allowed to be entered below. Data of marginal utility.
1st Quarter
Clouds: 
Partially cloudy
Wind: 
Low
Seeing Value: 
3.00
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky : 
7
2nd Quarter
Clouds: 
Partially cloudy
Wind: 
Low
Seeing Value: 
3.00
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
7
3rd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
3.00
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
0
4th Quarter
Clouds: 
Partially cloudy
Wind: 
Low
Seeing Value: 
3.00
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
2
ENR CTIO Blanco 4-m 2018-10-12
General Conditions
Wind Speed Max: 
18.00
Wind Speed Min: 
8.00
Comment: 
Clear and stable night.
1st Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
2.00
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky : 
0
2nd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.60
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
0
3rd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.60
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
0
4th Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.50
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
0
ENR CTIO Blanco 4-m 2018-10-11
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Overcast
Seeing Value: 
0.00
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky : 
8
2nd Quarter
Clouds: 
Partially cloudy
Seeing Value: 
2.40
Seeing Variability: 
0
Seeing Source: 
The Telescope I used
Sky: 
6
3rd Quarter
Clouds: 
Thin Clouds
Seeing Value: 
2.00
Seeing Variability: 
0
Seeing Source: 
The Telescope I used
Sky: 
2
4th Quarter
Clouds: 
Clear
Seeing Value: 
1.60
Seeing Variability: 
0
Seeing Source: 
The Telescope I used
Sky: 
0
ENR CTIO 1.5-m 2018-10-10
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Overcast
Wind: 
Low
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: 
Low
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 2018-10-10
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Overcast
Wind: 
Low
Seeing Value: 
0.00
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky : 
8
2nd Quarter
Clouds: 
Overcast
Wind: 
Low
Seeing Value: 
0.00
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky: 
8
3rd Quarter
Clouds: 
Overcast
Wind: 
Low
Seeing Value: 
0.00
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky: 
8
4th Quarter
Clouds: 
Overcast
Wind: 
High
Seeing Value: 
0.00
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky: 
8

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