Date:
Sunday, August 21, 2016
Telescope:
CTIO Blanco 4-m
Submitter:
Katelyn Allers
Submitter Email:
Observer Support:
Hernan Tirado
Night Assistant:
Claudio Aguilera
Also Present:
Sean Points, Rodrigo Hernandez
Problems:
None. The instrument operated very smoothly.
Program:
| Total Times | Time Observed | Time Engineering | Time lost technical | Time lost weather | Time lost other | Total Program Time |
|---|---|---|---|---|---|---|
| 2016-08-21 | 11.0 | 0.0 | 0.0 | 0.0 | 0.0 | 11 |
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We discovered tonight that the parallactic angle given in the ARCoIRIS window is incorrect. We checked it against JSkyCalc and a custom idl script (which were in agreement). This is something that should be addressed ASAP, as taking observations with the slit oriented to the parallactic angle is very useful.
Tonight, the weather was fantastic, so we decided to push the instruement a bit and test methods for acquiring really faint targets. We successfully got a spectrum of a J=19 object! I sent an email to Sean Points detailing the steps involved to acquire such faint objects and put them on the slit.
In addition, I created a youtube channel with videos introducing and running through an ARCoIRIS data reduction. Hopefully these can serve as a tutorial for new observers.