Night Report Sky Conditions

E.g., 11/12/2025
Title Conditions
ENR CTIO 1.5-m 2021-02-15
General Conditions
Temperature Max: 
11.60
Temperature Min: 
9.40
Humidity Max: 
72
Humidity Min: 
53
Wind Speed Max: 
20.00
Wind Speed Min: 
5.00
Comment: 
None.
1st Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.60
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky : 
0
2nd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.30
Seeing Variability: 
0.4
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
3rd Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.20
Seeing Variability: 
0.4
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
4th Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.20
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
ENR CTIO Blanco 4-m 2021-02-15
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Seeing Value: 
1.50
Seeing Variability: 
0.6
Seeing Source: 
The Telescope I used
Sky : 
0
2nd Quarter
Clouds: 
Clear
Seeing Value: 
1.80
Seeing Variability: 
0.6
Seeing Source: 
The Telescope I used
Sky: 
1
3rd Quarter
Clouds: 
Clear
Seeing Value: 
1.20
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
4th Quarter
Clouds: 
Clear
Seeing Value: 
1.20
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
ENR CTIO 1.5-m 2021-02-14
General Conditions
Temperature Max: 
12.70
Temperature Min: 
10.90
Humidity Max: 
62
Humidity Min: 
50
Wind Speed Max: 
10.00
Wind Speed Min: 
5.00
Comment: 
None.
1st Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.70
Seeing Variability: 
0.8
Seeing Source: 
CTIO Seeing monitor
Sky : 
0
2nd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.40
Seeing Variability: 
0.6
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
3rd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.20
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
4th Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.20
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
ENR CTIO Blanco 4-m 2021-02-14
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.43
Seeing Variability: 
0.6
Seeing Source: 
The Telescope I used
Sky : 
0
2nd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.19
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
0
3rd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.31
Seeing Variability: 
1.0
Seeing Source: 
The Telescope I used
Sky: 
0
4th Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.49
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
0
ENR CTIO 1.5-m 2021-02-13
General Conditions
Temperature Max: 
14.10
Temperature Min: 
12.60
Humidity Max: 
53
Humidity Min: 
40
Wind Speed Max: 
10.00
Wind Speed Min: 
3.00
Comment: 
None.
1st Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.90
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: 
0.70
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
4th Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.80
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
ENR CTIO Blanco 4-m 2021-02-13
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.90
Seeing Variability: 
0
Seeing Source: 
The Telescope I used
Sky : 
0
2nd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.93
Seeing Variability: 
0
Seeing Source: 
The Telescope I used
Sky: 
0
3rd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.90
Seeing Variability: 
0
Seeing Source: 
The Telescope I used
Sky: 
0
4th Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.90
Seeing Variability: 
0
Seeing Source: 
The Telescope I used
Sky: 
0
ENR CTIO 1.5-m 2021-02-12
General Conditions
Temperature Max: 
13.40
Temperature Min: 
12.40
Humidity Max: 
66
Humidity Min: 
45
Wind Speed Max: 
15.00
Wind Speed Min: 
5.00
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: 
1.00
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
3rd Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
0.70
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
4th Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
0.70
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
ENR CTIO Blanco 4-m 2021-02-12
General Conditions
Temperature Max: 
14.00
Temperature Min: 
12.50
Humidity Max: 
70
Humidity Min: 
40
Wind Speed Max: 
8.00
Wind Speed Min: 
1.00
Comment: 
None.
1st Quarter
Clouds: 
Clear
Seeing Value: 
1.10
Seeing Variability: 
0.4
Seeing Source: 
CTIO Seeing monitor
Sky : 
0
2nd Quarter
Clouds: 
Clear
Seeing Value: 
1.00
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
3rd Quarter
Clouds: 
Clear
Seeing Value: 
0.70
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
4th Quarter
Clouds: 
Clear
Seeing Value: 
0.60
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
ENR CTIO 1.5-m 2021-02-11
General Conditions
Temperature Max: 
14.10
Temperature Min: 
12.00
Humidity Max: 
67
Humidity Min: 
56
Wind Speed Max: 
5.00
Wind Speed Min: 
2.00
Comment: 
- After 08:15 UT, thin clouds moving from south west to N, NE, likely impacts only chi Cen and no previous object.
1st Quarter
Clouds: 
Clear
Seeing Value: 
1.00
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky : 
0
2nd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.60
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
3rd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.70
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
4th Quarter
Clouds: 
Thin Clouds
Wind: 
Low
Seeing Value: 
0.60
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
1
ENR CTIO Blanco 4-m 2021-02-11
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.90
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky : 
0
2nd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.70
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
3rd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.55
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
4th Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
0.50
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky: 
0

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