You are here

CTIO Home

ENR CTIO 1.5-m 2025-08-23

Primary tabs

Date: 
Saturday, August 23, 2025
Telescope: 
CTIO 1.5-m
Submitter: 
Todd Henry
Submitter Email: 
thenry88@gsu.edu
Observer Support: 
Rodrigo Hernandez
Night Assistant: 
None
Also Present: 
Juan Gonzalez, Jen Winters, Casey Rush
Problems: 

Dome slit struggled to open completely, and would not close once 70% open.  R. Hernandez and J. Gonzalez inspected and found that a cable had broken.  Inspection of the outside of the dome indicated that the dome could rotate ok, so we observed with the dome slit as it is --- this did not seem to affect counts in spectra using standard exposure times.

Dome slit was left open and wind screen raised.

We DID NOT start Calib2 because of uncertainty about large amounts of sunlight in the dome and how that might affect the CHIRON system, e.g., possible chip saturation.

Comments: 

NBTW performed well after 2.5 nights of rest.  The observers performed a little better, too.

Conditions: 
General Conditions
Comment: 
None.
1st Quarter
Clouds: 
Clear
Seeing Value: 
1.50
Seeing Variability: 
0.4
Seeing Source: 
Other
Sky : 
0
2nd Quarter
Clouds: 
Clear
Seeing Value: 
1.60
Seeing Variability: 
0.2
Seeing Source: 
Other
Sky: 
0
3rd Quarter
Clouds: 
Clear
Seeing Value: 
1.40
Seeing Variability: 
0.2
Seeing Source: 
Other
Sky: 
0
4th Quarter
Clouds: 
Clear
Seeing Value: 
1.50
Seeing Variability: 
0.2
Seeing Source: 
Other
Sky: 
0
Program: 
Proposal: 
SMARTS/CHIRON
Target of Oportunity: 
No
Time Observed: 
9.5
Time Engineering: 
0.0
Time lost technical: 
2.0
Time lost weather: 
0.0
Time lost other: 
0.0
Description: 
queue
Primary Investigator: 
Todd Henry
Email: 
thenry88@gsu.edu
Institution: 
SMARTS
Instrument: 
CTIO 1.5m Echelle
Organization: 
SMARTS
Total Program Time: 
11.5
Total Times Time Observed Time Engineering Time lost technical Time lost weather Time lost other Total Program Time
2025-08-23 9.5 0.0 2.0 0.0 0.0 11.5