WIYN 3.5m WHIRC Observing Report for 2013/05/23

Summary:

We observed 6 supernovae and 2 standard stars. Here is a summary of observations:

Name                    | z      |  B-Peak  | 20130522
2013cs                  |0.00924 | 20130524 | 09,09,09
2013cb                  |0.05412 | 20130512 | 25,41,..
2012cg                  |0.00145 | 20120401 | 16,25,..
2013bq                  | 0.06   | 20130424 | ..,50,..
2013bt                  |0.036446| 20130426 | 25,35,..
2013ck                  | 0.049  | 20130512 | 34,41,..

S791-E in JHKs at 1.33 and 1.55 airmasses.
P330-E at 1.54 airmasses.


Observer: Anja Weyant
Telescope Operator: Jenny
Conditions:
wind: 22.8 mph
Humidity: 32.8
Temperature: 22.8  C
Clear
Seeing: 0.7"-0.9" for the first half, 1.2"-1.7" for the second half. 
Moon: 99%

Notes:

Images for this night are in the same folder on dust as images for last night.
The image numbers start at 270.

The rotator was not following the first time I observed S791-C so I redid it.
We can probably still use these images although North will be different for each
one. This affected images 353-379.

Can see 2013cs in raw images.

Decided to stop in the middle of 2013bq dither in H to check the focus.  We were 
off by quite a bit (90microns).  So the first 7 images (575-581) are a bit out of 
focus.  Restarted the dither from the beginning after refocusing.

Wind shake was severe while observing 2013bq.  Decided to skip J and observe in H
twice as long.

Paused dither in the middle of 2013bt and 2013ck to go to nearby bright star and
recheck the focus.  Seeing was very bad (~1.7").