HET Night Report Reader

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Civil Date	Ephemerides
2018-02-28	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	00:57	01:46	02:14	12:02	12:30	13:19	23:40	13:17
Night Length	9:48		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator	OPS Engineer	Day Ops
Stephen Odewahn	Emily Bevins	-	-

Overlaps
TO Overlap	RA Overlap
Justen Pautzke	-

Other Personnel	none

Guests	HPF and NIST crew.

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
08:10	-0.7	1.0	09:25	wind	01:15
10:29	-1.7	0.1	12:53	twilight	02:24
Total Time Open					3:39

Program	Night Priority	Engineering
02:14	Idle due to weather (wind)
08:13	Engineering (hpf)

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
08:13	08:50	0.61	0.88	875	2863	-1.2	-1.1	-0.1	304	36	First of Night
↪ Comments			High winds and bad dome seeing.

Problem Reports
PR Number	Times	Time Lost	Description	Response
5121	03:50-03:51	00:01	overly long read time for HPFacq

Ops Comments	none

TO Comments	High winds and thick cirrus for majority of the night. No post observing stack due to sunrise.

RA Comments	Very heavy heavy winds and high dust count at sunset. Night devoted to HPF engineering. We had a problem with the HPFacq: overly long read time for HPFacq (filed as Bugzilla 5121).

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
lrs20000001_01	lfc	04:26	22.4	-0.4		LRS2	eng							Yes
virus0008001_01	bias	14:07	0			VIRUS	cal				S			Yes
lrs20009990_01	bias	22:51	0			LRS2	cal				S			Yes
lrs20008990_01	bias	22:52	0			LRS2	cal				S			Yes
virus0008990_01	bias	22:52	0			VIRUS	cal				S			Yes
lrs20008991_01	FeAr_R	22:57	31.5			LRS2	cal				S			Yes
lrs20008992_01	flat_Qth_R	22:59	33.2			LRS2	cal				S			Yes
lrs20008993_01	dark	23:00	300			LRS2	cal				S			Yes
virus0008991_01	Hg	23:11	22			VIRUS	cal				S			Yes
virus0008992_01	Cd-A	23:12	162.3			VIRUS	cal				S			Yes
virus0008993_01	flat_ldls_long	23:15	23			VIRUS	cal				S			Yes