Night Report Sky Conditions

E.g., 09/13/2025
Title Conditions
ENR CTIO Blanco 4-m 2023-08-25
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Cirrus
Wind: 
Medium
Seeing Value: 
1.00
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky : 
1
2nd Quarter
Clouds: 
Cirrus
Wind: 
Medium
Seeing Value: 
0.90
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
2
3rd Quarter
Clouds: 
Partially cloudy
Wind: 
Low
Seeing Value: 
1.30
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
4
4th Quarter
Clouds: 
Overcast
Seeing Value: 
0.00
Seeing Variability: 
0
Sky: 
8
ENR CTIO 1.5-m 2023-08-24
General Conditions
Temperature Max: 
8.00
Temperature Min: 
6.00
Humidity Max: 
39
Humidity Min: 
18
Wind Speed Max: 
8.00
Wind Speed Min: 
4.00
Comment: 
Clear night
1st Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.60
Seeing Variability: 
0.4
Seeing Source: 
Other
Sky : 
0
2nd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.30
Seeing Variability: 
0.4
Seeing Source: 
Other
Sky: 
0
3rd Quarter
Clouds: 
Cirrus
Wind: 
Low
Seeing Value: 
0.00
Seeing Variability: 
0
Seeing Source: 
Other
Sky: 
1
4th Quarter
Clouds: 
Cirrus
Wind: 
Medium
Seeing Value: 
1.40
Seeing Variability: 
0.4
Seeing Source: 
Other
Sky: 
1
ENR CTIO Blanco 4-m 2023-08-24
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.60
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky : 
0
2nd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.00
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
3rd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.20
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
4th Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.20
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
0
ENR CTIO 1.5-m 2023-08-23
General Conditions
Temperature Max: 
8.00
Temperature Min: 
6.00
Humidity Max: 
30
Humidity Min: 
63
Wind Speed Max: 
13.00
Wind Speed Min: 
4.00
Comment: 
Mostly clear and windy night. Cirrus towards the horizon.
1st Quarter
Clouds: 
Cirrus
Wind: 
High
Seeing Value: 
1.50
Seeing Variability: 
0.6
Seeing Source: 
Other
Sky : 
1
2nd Quarter
Clouds: 
Cirrus
Wind: 
High
Seeing Value: 
1.70
Seeing Variability: 
0.6
Seeing Source: 
Other
Sky: 
1
3rd Quarter
Clouds: 
Cirrus
Wind: 
High
Seeing Value: 
1.80
Seeing Variability: 
0.6
Seeing Source: 
Other
Sky: 
1
4th Quarter
Clouds: 
Cirrus
Wind: 
Medium
Seeing Value: 
1.60
Seeing Variability: 
0.2
Seeing Source: 
Other
Sky: 
2
ENR CTIO Blanco 4-m 2023-08-23
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.80
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky : 
0
2nd Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.80
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
3rd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.70
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
4th Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.30
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
0
ENR CTIO Blanco 4-m 2023-08-22
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.40
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky : 
0
2nd Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.50
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
3rd Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.60
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
0
4th Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
2.00
Seeing Variability: 
0.6
Seeing Source: 
The Telescope I used
Sky: 
0
ENR CTIO Blanco 4-m 2023-08-21
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.90
Seeing Variability: 
1.0
Seeing Source: 
The Telescope I used
Sky : 
1
2nd Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.90
Seeing Variability: 
0.6
Seeing Source: 
The Telescope I used
Sky: 
1
3rd Quarter
Clouds: 
Thin Clouds
Wind: 
Medium
Seeing Value: 
1.50
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
1
4th Quarter
Clouds: 
Clear
Wind: 
Medium
Seeing Value: 
1.70
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
1
ENR CTIO Blanco 4-m 2023-08-20
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: 
Partially cloudy
Wind: 
Low
Seeing Value: 
1.50
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
2
4th Quarter
Clouds: 
Partially cloudy
Wind: 
Low
Seeing Value: 
1.30
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky: 
1
ENR CTIO Blanco 4-m 2023-08-19
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: 
Low
Seeing Value: 
0.00
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky: 
6
ENR CTIO Blanco 4-m 2023-08-18
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Wind: 
Low
Seeing Value: 
1.60
Seeing Variability: 
0.2
Seeing Source: 
The Telescope I used
Sky : 
0
2nd Quarter
Clouds: 
Thin Clouds
Wind: 
Low
Seeing Value: 
1.60
Seeing Variability: 
0.4
Seeing Source: 
The Telescope I used
Sky: 
6
3rd Quarter
Clouds: 
Partially cloudy
Wind: 
Low
Seeing Value: 
0.00
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky: 
6
4th Quarter
Clouds: 
Overcast
Wind: 
Low
Seeing Value: 
0.00
Seeing Variability: 
0
Seeing Source: 
CTIO Seeing monitor
Sky: 
8

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