Night Report Sky Conditions

E.g., 09/15/2025
Title Conditions
ENR CTIO 1.5-m 2021-10-10
General Conditions
Temperature Max: 
14.70
Temperature Min: 
11.90
Humidity Max: 
25
Humidity Min: 
16
Wind Speed Max: 
25.50
Wind Speed Min: 
12.60
Comment: 
None.
1st Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.40
Seeing Variability: 
0.4
Seeing Source: 
CTIO Seeing monitor
Sky : 
0
2nd Quarter
Clouds: 
Clear
Wind: 
High
Seeing Value: 
1.10
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
3rd Quarter
Clouds: 
Thin Clouds
Wind: 
High
Seeing Value: 
1.20
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
1
4th Quarter
Clouds: 
Thin Clouds
Wind: 
Medium
Seeing Value: 
1.20
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
3
ENR CTIO Blanco 4-m 2021-10-10
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.95
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky : 
0
2nd Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.74
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
3rd Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.30
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
4th Quarter
Clouds: 
Thin Clouds
Wind: 
Low
Seeing Value: 
1.20
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
ENR CTIO 1.5-m 2021-10-09
General Conditions
Temperature Max: 
4.50
Temperature Min: 
2.50
Humidity Max: 
71
Humidity Min: 
21
Wind Speed Max: 
31.10
Wind Speed Min: 
7.60
Comment: 
None.
1st Quarter
Clouds: 
Clear
Precipitation: 
High Humidity
Wind: 
Medium
Seeing Value: 
1.60
Seeing Variability: 
0.6
Seeing Source: 
CTIO Seeing monitor
Sky : 
0
2nd Quarter
Clouds: 
Clear
Precipitation: 
High Humidity
Wind: 
High
Seeing Value: 
1.60
Seeing Variability: 
0.6
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: 
High
Seeing Value: 
1.40
Seeing Variability: 
0.4
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
ENR CTIO Blanco 4-m 2021-10-09
General Conditions
Temperature Max: 
6.00
Temperature Min: 
4.00
Humidity Max: 
65
Humidity Min: 
31
Wind Speed Max: 
14.50
Wind Speed Min: 
5.00
Comment: 
None.
1st Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.96
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky : 
0
2nd Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.69
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
3rd Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.59
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
4th Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.75
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
ENR CTIO 1.5-m 2021-10-08
General Conditions
Temperature Max: 
5.70
Temperature Min: 
1.80
Humidity Max: 
74
Humidity Min: 
55
Wind Speed Max: 
31.30
Wind Speed Min: 
11.30
Comment: 
None.
1st Quarter
Clouds: 
Clear
Precipitation: 
High Humidity
Wind: 
High
Seeing Value: 
2.40
Seeing Variability: 
0.8
Seeing Source: 
CTIO Seeing monitor
Sky : 
0
2nd Quarter
Clouds: 
Clear
Precipitation: 
High Humidity
Wind: 
High
Seeing Value: 
1.60
Seeing Variability: 
0.6
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
3rd Quarter
Clouds: 
Clear
Precipitation: 
High Humidity
Wind: 
High
Seeing Value: 
2.10
Seeing Variability: 
0.6
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
4th Quarter
Clouds: 
Clear
Precipitation: 
High Humidity
Wind: 
Medium
Seeing Value: 
1.80
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
ENR CTIO Blanco 4-m 2021-10-08
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Precipitation: 
High Humidity
Wind: 
Medium
Seeing Value: 
2.02
Seeing Variability: 
0.6
Seeing Source: 
The Telescope I used
Sky : 
0
2nd Quarter
Clouds: 
Clear
Precipitation: 
High Humidity
Wind: 
Medium
Seeing Value: 
2.02
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
3rd Quarter
Clouds: 
Clear
Precipitation: 
High Humidity
Wind: 
Medium
Seeing Value: 
2.55
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
0
4th Quarter
Clouds: 
Clear
Precipitation: 
High Humidity
Wind: 
Medium
Seeing Value: 
2.08
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
ENR CTIO 1.5-m 2021-10-07
General Conditions
Temperature Max: 
5.80
Temperature Min: 
3.10
Humidity Max: 
81
Humidity Min: 
50
Wind Speed Max: 
32.10
Wind Speed Min: 
19.00
Comment: 
None.
1st Quarter
Clouds: 
Thin Clouds
Precipitation: 
High Humidity
Wind: 
High
Seeing Value: 
2.50
Seeing Variability: 
0.4
Seeing Source: 
Pachon Seeing Monitor
Sky : 
1
2nd Quarter
Clouds: 
Overcast
Precipitation: 
High Humidity
Wind: 
High
Seeing Value: 
0.00
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky: 
8
3rd Quarter
Clouds: 
Overcast
Precipitation: 
High Humidity
Seeing Value: 
0.00
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky: 
8
4th Quarter
Clouds: 
Overcast
Precipitation: 
High Humidity
Seeing Value: 
0.00
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky: 
8
ENR CTIO Blanco 4-m 2021-10-07
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Wind: 
High
Seeing Value: 
0.00
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky : 
0
2nd Quarter
Clouds: 
Thin Clouds
Precipitation: 
High Humidity
Wind: 
Medium
Seeing Value: 
0.00
Seeing Variability: 
0
Seeing Source: 
The Telescope I used
Sky: 
2
3rd Quarter
Clouds: 
Clear
Precipitation: 
High Humidity
Seeing Value: 
0.00
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
4th Quarter
Clouds: 
Clear
Precipitation: 
High Humidity
Seeing Value: 
0.00
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky: 
0
ENR CTIO 1.5-m 2021-10-06
General Conditions
Temperature Max: 
13.20
Temperature Min: 
7.60
Humidity Max: 
26
Humidity Min: 
20
Wind Speed Max: 
25.50
Wind Speed Min: 
8.40
Comment: 
None.
1st Quarter
Clouds: 
Cirrus
Wind: 
Low
Seeing Value: 
1.20
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky : 
1
2nd Quarter
Clouds: 
Thin Clouds
Wind: 
Medium
Seeing Value: 
1.00
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
1
3rd Quarter
Clouds: 
Partially cloudy
Wind: 
High
Seeing Value: 
1.30
Seeing Variability: 
0.4
Seeing Source: 
CTIO Seeing monitor
Sky: 
5
4th Quarter
Clouds: 
Thin Clouds
Wind: 
Medium
Seeing Value: 
1.70
Seeing Variability: 
0.4
Seeing Source: 
CTIO Seeing monitor
Sky: 
1
ENR CTIO Blanco 4-m 2021-10-06
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Thin Clouds
Seeing Value: 
1.00
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: 
Partially cloudy
Seeing Value: 
1.00
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
4
4th Quarter
Clouds: 
Partially cloudy
Seeing Value: 
1.70
Seeing Variability: 
0.2
Seeing Source: 
CTIO Seeing monitor
Sky: 
4

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