Night Report Sky Conditions

E.g., 09/15/2025
Title Conditions
ENR CTIO 1.5-m 2021-10-15
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.00
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky : 
0
2nd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.80
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
3rd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.90
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
4th Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.00
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
ENR CTIO Blanco 4-m 2021-10-15
General Conditions
Temperature Max: 
11.00
Temperature Min: 
7.00
Humidity Max: 
40
Humidity Min: 
30
Wind Speed Max: 
5.00
Wind Speed Min: 
2.00
Comment: 
Another clear night!
1st Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.00
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky : 
0
2nd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.80
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
3rd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.85
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
4th Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.95
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
ENR CTIO 1.5-m 2021-10-14
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.30
Seeing Variability: 
0.4
Seeing Source: 
CTIO Seeing monitor
Sky : 
0
2nd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.10
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
3rd Quarter
Clouds: 
Clear
Wind: 
Low
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 2021-10-14
General Conditions
Temperature Max: 
11.00
Temperature Min: 
5.30
Humidity Max: 
58
Humidity Min: 
38
Wind Speed Max: 
6.50
Wind Speed Min: 
2.50
Comment: 
Clear night!
1st Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.30
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky : 
0
2nd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.00
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
3rd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.93
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
4th Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.95
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
ENR CTIO 1.5-m 2021-10-13
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.20
Seeing Variability: 
0.4
Seeing Source: 
CTIO Seeing monitor
Sky : 
0
2nd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.80
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
3rd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.10
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
1
4th Quarter
Clouds: 
Partially cloudy
Wind: 
Low
Seeing Value: 
1.30
Seeing Variability: 
0.4
Seeing Source: 
CTIO Seeing monitor
Sky: 
6
ENR CTIO Blanco 4-m 2021-10-13
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.10
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky : 
0
2nd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.90
Seeing Variability: 
0
Seeing Source: 
The Telescope I used
Sky: 
0
3rd Quarter
Clouds: 
Clear
Seeing Value: 
0.90
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
4th Quarter
Clouds: 
Overcast
Seeing Value: 
1.30
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky: 
5
ENR CTIO 1.5-m 2021-10-12
General Conditions
Temperature Max: 
7.90
Temperature Min: 
4.60
Humidity Max: 
59
Humidity Min: 
31
Wind Speed Max: 
25.60
Wind Speed Min: 
9.90
Comment: 
None.
1st Quarter
Clouds: 
Cirrus
Wind: 
Medium
Seeing Value: 
1.70
Seeing Variability: 
0.6
Seeing Source: 
Pachon Seeing Monitor
Sky : 
3
2nd Quarter
Clouds: 
Thin Clouds
Wind: 
Medium
Seeing Value: 
1.90
Seeing Variability: 
0.6
Seeing Source: 
CTIO Seeing monitor
Sky: 
1
3rd Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.70
Seeing Variability: 
0.6
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
4th Quarter
Clouds: 
Clear
Seeing Value: 
1.70
Seeing Variability: 
0.4
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
ENR CTIO Blanco 4-m 2021-10-12
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Partially cloudy
Wind: 
Medium
Seeing Value: 
1.59
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky : 
2
2nd Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.70
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
3rd Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.40
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
4th Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.59
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
ENR CTIO 1.5-m 2021-10-11
General Conditions
Temperature Max: 
12.60
Temperature Min: 
8.70
Humidity Max: 
36
Humidity Min: 
23
Wind Speed Max: 
26.00
Wind Speed Min: 
13.50
Comment: 
None.
1st Quarter
Clouds: 
Cirrus
Wind: 
Low
Seeing Value: 
1.40
Seeing Variability: 
0.4
Seeing Source: 
CTIO Seeing monitor
Sky : 
3
2nd Quarter
Clouds: 
Cirrus
Wind: 
Medium
Seeing Value: 
1.30
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
6
3rd Quarter
Clouds: 
Cirrus
Wind: 
Medium
Seeing Value: 
1.10
Seeing Variability: 
0.4
Seeing Source: 
CTIO Seeing monitor
Sky: 
3
4th Quarter
Clouds: 
Cirrus
Wind: 
Medium
Seeing Value: 
1.10
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
4
ENR CTIO Blanco 4-m 2021-10-11
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Partially cloudy
Seeing Value: 
1.42
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky : 
3
2nd Quarter
Clouds: 
Partially cloudy
Seeing Value: 
1.31
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
6
3rd Quarter
Clouds: 
Partially cloudy
Seeing Value: 
1.26
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
6
4th Quarter
Clouds: 
Partially cloudy
Seeing Value: 
1.32
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
1

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