09/08/2019 Civil
Brotherton @ WIRO Longslit (remote)

Outside Temp(F) 45 (1am) 
Outside Humidity(%RH) -- 80 (1am)
Wind Speed(MPH) -- 17 mph (1am)
Wind Direction -- 252 (1am)

Slit width 5 arcsec, set on September 8 empirically

900l/mm grating, sub-array center column 1050, width 360

Longslit focus set to 310 on instrument.

Start of night:
Seeing= 6.7 pix (0.38 arcsec per pixel) or 2.7 arcsec focus 0.163 (temp= 46 F)
1.4 arcseconds at end of night

Centered for field, collimation numbers
at Dec 28   HA 00:45
0:01:59.7   -2:35:27.5

Fill N2 # 2


Index	 	Object		EXP	secz	UT	T-Out 	TFocus	Notes
------------------------------------------------------------------------------
a001-10		flat		2.5		7:25

a011-20		CuAr		2		7:30

a021-30		Bias		0		7:32

a031-33		BD28d4211	30	1.12	7:41	46	0.163	

a034-36		S52116+81	360	1.5	7:47	43	0.163	snr=25
Think the slit is still a little too wide, adjusting...

a037-39		IRAS05480+59283	200	1.64	8:17	44	0.180	snr=30

Got clouds, higher humidity...shut down for a bit...

Take some CuAr with the new slit width...

a040-49		CuAr@zenith	2  new slit width.  Still too wide?

Some improvement in weather, humidity...

a050-53		IIIZw2		600	1.17	8:49	43	0.196	snr=15

no sign of condensation on mirror, continue...

a054-56		2MASS0414	400	1.62	10:55	43	0.171	snr=30

a057-59		G191B2B		60	1.06	11:20	43	0.189	

In twilight:
a060-62		Mrk6		400	1.31	11:27	43	0.186	snr=20
check for condensation at end...none visible.  Good.