Night Report Sky Conditions

E.g., 04/30/2025
Title Conditions
ENR CTIO 1.5-m 2023-04-27
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Seeing Value: 
1.50
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky : 
0
2nd Quarter
Clouds: 
Clear
Seeing Value: 
1.00
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
3rd Quarter
Clouds: 
Clear
Seeing Value: 
1.00
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
4th Quarter
Clouds: 
Clear
Seeing Value: 
1.50
Seeing Variability: 
0.8
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
ENR CTIO Blanco 4-m 2023-04-27
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.10
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky : 
1
2nd Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.10
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
2
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: 
1.10
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
ENR CTIO Blanco 4-m 2023-04-26
General Conditions
Comment: 
None.
1st Quarter
Wind: 
Low
Seeing Value: 
1.10
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky : 
0
2nd Quarter
Wind: 
Medium
Seeing Value: 
1.20
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
3rd Quarter
Wind: 
Low
Seeing Value: 
1.10
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
4th Quarter
Wind: 
Medium
Seeing Value: 
1.20
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
ENR CTIO 1.5-m 2023-04-25
General Conditions
Temperature Max: 
16.00
Temperature Min: 
14.00
Humidity Max: 
34
Humidity Min: 
23
Wind Speed Max: 
10.00
Wind Speed Min: 
3.00
Comment: 
Cirrus at the beginning of the night they remain close to the horizon.
1st Quarter
Clouds: 
Cirrus
Wind: 
Low
Seeing Value: 
0.60
Seeing Variability: 
0.2
Seeing Source: 
Other
Sky : 
1
2nd Quarter
Clouds: 
Cirrus
Wind: 
Low
Seeing Value: 
0.70
Seeing Variability: 
0.2
Seeing Source: 
Other
Sky: 
1
3rd Quarter
Clouds: 
Cirrus
Wind: 
Medium
Seeing Value: 
0.90
Seeing Variability: 
0.4
Seeing Source: 
Other
Sky: 
1
4th Quarter
Clouds: 
Cirrus
Wind: 
Medium
Seeing Value: 
1.00
Seeing Variability: 
0.6
Seeing Source: 
Other
Sky: 
1
ENR CTIO Blanco 4-m 2023-04-25
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Thin Clouds
Wind: 
Low
Seeing Value: 
0.90
Seeing Variability: 
0.2
Seeing Source: 
Other
Sky : 
1
2nd Quarter
Clouds: 
Thin Clouds
Wind: 
Low
Seeing Value: 
0.90
Seeing Variability: 
0.2
Seeing Source: 
Other
Sky: 
1
3rd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.10
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
4th Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.20
Seeing Variability: 
0.4
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
ENR CTIO 1.5-m 2023-04-24
General Conditions
Temperature Max: 
14.00
Temperature Min: 
12.00
Humidity Max: 
36
Humidity Min: 
25
Wind Speed Max: 
5.00
Wind Speed Min: 
0.00
Comment: 
A band of clouds or haze close to the horizon. The rest of the sky was clear.
1st Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.90
Seeing Variability: 
0.4
Seeing Source: 
CTIO Seeing monitor
Sky : 
0
2nd Quarter
Clouds: 
Clear
Seeing Value: 
1.30
Seeing Variability: 
0.4
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
3rd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.00
Seeing Variability: 
0.6
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
4th Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.30
Seeing Variability: 
0.6
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
ENR CTIO Blanco 4-m 2023-04-24
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Seeing Value: 
1.00
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky : 
0
2nd Quarter
Clouds: 
Clear
Seeing Value: 
1.20
Seeing Variability: 
0.4
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
3rd Quarter
Clouds: 
Thin Clouds
Seeing Value: 
1.10
Seeing Variability: 
0.4
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
4th Quarter
Clouds: 
Thin Clouds
Seeing Value: 
1.50
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
ENR CTIO 1.5-m 2023-04-23
General Conditions
Temperature Max: 
11.00
Temperature Min: 
9.00
Humidity Max: 
60
Humidity Min: 
45
Wind Speed Max: 
7.00
Wind Speed Min: 
1.00
Comment: 
Clouds close to the horizon for most of the night.
1st Quarter
Clouds: 
Cirrus
Wind: 
Low
Seeing Value: 
1.30
Seeing Variability: 
0.2
Seeing Source: 
Other
Sky : 
3
2nd Quarter
Clouds: 
Cirrus
Wind: 
Low
Seeing Value: 
1.20
Seeing Variability: 
0.4
Seeing Source: 
Other
Sky: 
1
3rd Quarter
Clouds: 
Cirrus
Wind: 
Low
Seeing Value: 
1.30
Seeing Variability: 
0.2
Seeing Source: 
Other
Sky: 
1
4th Quarter
Clouds: 
Cirrus
Wind: 
Medium
Seeing Value: 
1.40
Seeing Variability: 
0.2
Seeing Source: 
Other
Sky: 
1
ENR CTIO Blanco 4-m 2023-04-23
General Conditions
Temperature Max: 
10.00
Temperature Min: 
8.50
Humidity Max: 
61
Humidity Min: 
39
Wind Speed Max: 
31.00
Wind Speed Min: 
4.00
Comment: 
None.
1st Quarter
Clouds: 
Partially cloudy
Wind: 
Low
Seeing Value: 
1.20
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky : 
5
2nd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.00
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
3rd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.15
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
4th Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.15
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
ENR CTIO 1.5-m 2023-04-22
General Conditions
Temperature Max: 
10.00
Temperature Min: 
8.00
Humidity Max: 
60
Humidity Min: 
51
Wind Speed Max: 
6.00
Wind Speed Min: 
2.00
Comment: 
Clouds close to the horizon all night and they covered most of the sky during the last quarter of the night.
1st Quarter
Clouds: 
Cirrus
Wind: 
Low
Seeing Value: 
1.20
Seeing Variability: 
0.4
Seeing Source: 
Other
Sky : 
2
2nd Quarter
Clouds: 
Cirrus
Wind: 
Low
Seeing Value: 
1.10
Seeing Variability: 
0.4
Seeing Source: 
Other
Sky: 
2
3rd Quarter
Clouds: 
Cirrus
Wind: 
Low
Seeing Value: 
1.20
Seeing Variability: 
0.4
Seeing Source: 
Other
Sky: 
3
4th Quarter
Clouds: 
Partially cloudy
Wind: 
Low
Seeing Value: 
0.90
Seeing Variability: 
0.4
Seeing Source: 
Other
Sky: 
7

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