HET Night Report Reader

Civil Date	Ephemerides
2021-04-17	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:32	02:20	02:50	11:00	11:31	12:18	-	06:48
Night Length	8:10		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator	OPS Engineer	Day Ops
Stephen Odewahn	Amy Westfall	-	-

Overlaps
TO Overlap	RA Overlap
Nathan McReynolds	-

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
01:28	2.6	4.7	03:22	clouds	01:54
03:40	1.1	2.2	05:12	clouds	01:32
05:45	0.6	1.2	06:04	clouds	00:19
07:18	0.1	1.3	07:25	clouds	00:07
Total Time Open					3:52

Program	Night Priority	Science
02:50	Idle due to weather (clouds from west)
03:44	Science
04:33	Idle due to weather (heavy clouds from west)
05:48	Science
06:01	Idle due to weather (heavy clouds from west again)

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
02:05	02:28										First of Night
↪ Comments			Saved a reference eventually.

Problem Reports
PR Number	Times	Time Lost	Description	Response
5818	02:40-02:40	00:00	Loud, raspy metal grinding noise during dome movement from Az 315 to 345	Did not notice any strange dome behavior; did not hit E-stop. All subsequent dome movements were fine.
5819	11:03-11:03	00:00	eon_tasks failed
5591	06:08-06:08	00:00	Dome shutter Position stuck at NEAR_CLOSED after Close command, no clamp noises heard	After power cycling the shutter inverter I was able to open it well into MID_RANGE, stop it, and then after next closure command it successfully closed.

Ops Comments	none

TO Comments	Frequent cloud interruptions and early closure due to high humidity.

RA Comments	Mostly clear at sunset (01:32 UT). Night for high pri-sci and -eng. Took L/V skyflats at sunset.

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
0001	LFC FCU	00:02	106.5			HPF	cal							Yes
0002	LFC FCU	00:04	106.5			HPF	cal							Yes
0003	LFC Cal	00:07	106.5			HPF	cal							Yes
0004	LFC Cal	00:09	106.5			HPF	cal							Yes
0005	Etalon Cal	00:12	159.8			HPF	cal							Yes
0006	UNe Slave Cal	00:16	852			HPF	cal							Yes
lrs20000001_01	flat_Qth_R	00:16	15			LRS2	cal							Yes
lrs20000001_02	flat_Qth_R	00:17	15			LRS2	cal							Yes
lrs20000001_03	flat_Qth_R	00:19	15			LRS2	cal							Yes
lrs20000001_04	flat_Qth_R	00:20	15			LRS2	cal							Yes
lrs20000001_05	flat_Qth_R	00:21	15			LRS2	cal							Yes
lrs20000002_01	flat_ldls_long_B	00:22	15			LRS2	cal							Yes
lrs20000002_02	flat_ldls_long_B	00:24	15			LRS2	cal							Yes
lrs20000002_03	flat_ldls_long_B	00:25	15			LRS2	cal							Yes
lrs20000003_01	Cd-A_B	00:26	38			LRS2	cal							Yes
lrs20000003_02	Cd-A_B	00:28	38			LRS2	cal							Yes
lrs20000003_03	Cd-A_B	00:29	38			LRS2	cal							Yes
0007	UNe Slave Cal	00:30	852			HPF	cal							Yes
lrs20000004_01	FeAr_R	00:31	15			LRS2	cal							Yes
lrs20000004_02	FeAr_R	00:32	15			LRS2	cal							Yes
lrs20000004_03	FeAr_R	00:33	15			LRS2	cal							Yes
lrs20000005_01	Hg_R	00:34	20			LRS2	cal							Yes
lrs20000005_02	Hg_R	00:36	20			LRS2	cal							Yes
lrs20000005_03	Hg_R	00:37	20			LRS2	cal							Yes
lrs20000006_01	Hg_B	00:38	15			LRS2	cal							Yes
lrs20000006_02	Hg_B	00:40	15			LRS2	cal							Yes
lrs20000006_03	Hg_B	00:41	15			LRS2	cal							Yes
0008	UNe Slave Cal	00:45	852			HPF	cal							Yes
virus0000001_01	flat_ldls_long	00:48	15			VIRUS	cal							Yes
virus0000001_02	flat_ldls_long	00:49	15			VIRUS	cal							Yes
virus0000001_03	flat_ldls_long	00:50	15			VIRUS	cal							Yes
virus0000002_01	Cd-A	00:52	15			VIRUS	cal							Yes
virus0000002_02	Cd-A	00:53	15			VIRUS	cal							Yes
virus0000002_03	Cd-A	00:54	15			VIRUS	cal							Yes
virus0000003_01	Hg	00:56	15			VIRUS	cal							Yes
virus0000003_02	Hg	00:57	15			VIRUS	cal							Yes
virus0000003_03	Hg	00:58	15			VIRUS	cal							Yes
lrs20000007_01	dark	01:00	360			LRS2	cal							Yes
virus0000004_01	dark	01:00	360			VIRUS	cal							Yes
lrs20000007_02	dark	01:07	360			LRS2	cal							Yes
virus0000004_02	dark	01:07	360			VIRUS	cal							Yes
lrs20000007_03	dark	01:13	360			LRS2	cal							Yes
virus0000004_03	dark	01:14	360			VIRUS	cal							Yes
lrs20000008_01	skyflat	01:38	7			LRS2	cal							Yes
lrs20000009_01	skyflat	01:39	10			LRS2	cal							Yes
lrs20000010_01	skyflat	01:40	13			LRS2	cal							Yes
lrs20000011_01	skyflat	01:42	16			LRS2	cal							Yes
lrs20000012_01	skyflat	01:43	22			LRS2	cal							Yes
lrs20000013_01	skyflat	01:44	30			LRS2	cal							Yes
virus0000005_01	skyflat	01:48	7			VIRUS	cal							Yes
virus0000006_01	skyflat	01:49	10			VIRUS	cal							Yes
virus0000007_01	skyflat	01:51	14			VIRUS	cal							Yes
virus0000008_01	skyflat	01:52	18			VIRUS	cal							Yes
virus0000009_01	skyflat	01:53	26			VIRUS	cal							Yes
virus0000010_01	skyflat	01:55	45			VIRUS	cal							Yes
lrs20000014_01	bias	01:57	0			LRS2	cal							Yes
virus0000011_01	bias	01:57	0			VIRUS	cal							Yes
lrs20000014_02	bias	01:58	0			LRS2	cal							Yes
virus0000011_02	bias	01:58	0			VIRUS	cal							Yes
lrs20000014_03	bias	01:59	0			LRS2	cal							Yes
virus0000011_03	bias	01:59	0			VIRUS	cal							Yes
lrs20000014_04	bias	01:59	0			LRS2	cal							Yes
virus0000011_04	bias	02:00	0			VIRUS	cal							Yes
lrs20000014_05	bias	02:00	0			LRS2	cal							Yes
virus0000011_05	bias	02:01	0			VIRUS	cal							Yes
lrs20000014_06	bias	02:01	0			LRS2	cal							Yes
virus0000011_06	bias	02:02	0			VIRUS	cal							Yes
lrs20000014_07	bias	02:02	0			LRS2	cal							Yes
virus0000011_07	bias	02:02	0			VIRUS	cal							Yes
lrs20000014_08	bias	02:03	0			LRS2	cal							Yes
virus0000011_08	bias	02:03	0			VIRUS	cal							Yes
lrs20000014_09	bias	02:04	0			LRS2	cal							Yes
virus0000011_09	bias	02:04	0			VIRUS	cal							Yes
lrs20000014_10	bias	02:05	0			LRS2	cal							Yes
virus0000011_10	bias	02:05	0			VIRUS	cal							Yes
lrs20000014_11	bias	02:05	0			LRS2	cal							Yes
virus0000011_11	bias	02:06	0			VIRUS	cal							Yes
0009	LFC Cal	02:57	106.5			HPF	cal							Yes
virus0000012_01	parallel	02:57	1200			VIRUS	sci							Yes
lrs20000015_01	parallel	02:57	1200	7.0	PSU21-2-005	LRS2-B	sci	2.66		20.85	0.52		rapidly decreasing transparency after start, lost guide star to clouds near end	No
0010	LFC Cal	02:59	106.5			HPF	cal							Yes
0011	LFC Cal	03:01	106.5			HPF	cal							Yes
virus0000013_01	Cd-A	03:28	15		ENG21-2-002	VIRUS	cal							Yes
virus0000014_01	Hg	03:36	15		ENG21-2-002	VIRUS	cal							Yes
0012	LFC Cal	03:45	106.5			HPF	cal							Yes
0013	LFC Cal	03:48	106.5			HPF	cal							Yes
virus0000015_01	parallel	03:49	1200			VIRUS	sci							Yes
lrs20000016_01	parallel	03:49	1200	5.0	UT21-2-004	LRS2-R	sci	2.20		20.37	0.75		strong signal in rd,fr channels	Yes
0014	LFC Cal	03:50	106.5			HPF	cal							Yes
0015	parallel	04:16	969.1	7.8	PSU21-2-001	HPF	sci	2.28		20.18	0.77	48		Yes
virus0000016_01	parallel	04:16	1425			VIRUS	sci							Yes
0016	LFC Cal	04:38	106.5			HPF	cal							Yes
virus0000017_01	parallel	04:38	1800			VIRUS	sci							Yes
lrs20000017_01	parallel	04:38	1800	5.0	HET21-2-201	LRS2-R	sci	2.33		20.33	0.92		heavy clouds in from west, lost guide star half-way through exposure	No
0017	LFC Cal	04:41	106.5			HPF	cal							Yes
0018	LFC Cal	04:43	106.5			HPF	cal							Yes
lrs20000018_01	BD+33_2642_066_E	05:52	60	4.0		LRS2	spec	2.71		21.03	0.50		variable clouds	Yes
lrs20000019_01	BD+33_2642_056_E	06:00	60	7.0		LRS2	spec	2.54		21.78	0.64			Yes
virus0000018_01	bias	10:55	0			VIRUS	cal							Yes
0019	Dark	11:08	319.5			HPF	cal							Yes
0020	Quartz FCU	11:19	74.5			HPF	cal							Yes
0021	Quartz FCU	11:21	74.5			HPF	cal							Yes
0022	Quartz FCU	11:23	74.5			HPF	cal							Yes
0023	Quartz FCU	11:24	74.5			HPF	cal							Yes
0024	Quartz FCU	11:26	74.5			HPF	cal							Yes
0025	Quartz FCU	11:28	74.5			HPF	cal							Yes
0026	Quartz FCU	11:30	74.5			HPF	cal							Yes
0027	Alpha Bright Cal	11:32	85.2			HPF	cal							Yes
0028	Alpha Bright Cal	11:34	85.2			HPF	cal							Yes
0029	Alpha Bright Cal	11:36	85.2			HPF	cal							Yes
0030	Alpha Bright Cal	11:38	85.2			HPF	cal							Yes
0031	LFC FCU	11:41	106.5			HPF	cal							Yes
0032	LFC FCU	11:43	106.5			HPF	cal							Yes
0033	LFC FCU	11:45	106.5			HPF	cal							Yes
0034	LFC FCU	11:48	106.5			HPF	cal							Yes
0035	LFC FCU	11:50	106.5			HPF	cal							Yes
0036	LFC FCU	11:52	106.5			HPF	cal							Yes
0037	LFC Cal	11:55	106.5			HPF	cal							Yes
0038	LFC Cal	11:57	106.5			HPF	cal							Yes
0039	Etalon Cal	12:05	159.8			HPF	cal							Yes
0040	Etalon Cal	12:08	159.8			HPF	cal							Yes
0041	Etalon Cal	12:12	159.8			HPF	cal							Yes
0042	Etalon Cal	12:15	159.8			HPF	cal							Yes
0043	UNe Slave Cal	12:18	852			HPF	cal							Yes
0044	UNe Slave Cal	12:33	852			HPF	cal							Yes
0045	UNe Slave Cal	12:48	852			HPF	cal							Yes
0028	LFC Cal	23:06	106.5			HPF	cal							Yes
virus0009900_01	flat_ldls_long	23:11	15			VIRUS	cal							Yes
virus0009901_01	Cd-A	23:12	15			VIRUS	cal							Yes
virus0009902_01	Hg	23:14	15			VIRUS	cal							Yes
virus0009903_01	bias	23:15	0			VIRUS	cal							Yes
lrs20009900_01	bias	23:16	0			LRS2	cal							Yes
lrs20009901_01	flat_Qth_R	23:17	15			LRS2	cal							Yes
lrs20009902_01	FeAr_R	23:19	15			LRS2	cal							Yes
0029	Dark	23:34	319.5			HPF	cal							Yes
0030	Quartz FCU	23:40	74.5			HPF	cal							Yes
0031	Quartz FCU	23:42	74.5			HPF	cal							Yes
0032	Quartz FCU	23:44	74.5			HPF	cal							Yes
0033	Quartz FCU	23:45	74.5			HPF	cal							Yes
0034	Quartz FCU	23:47	74.5			HPF	cal							Yes
0035	Quartz FCU	23:49	74.5			HPF	cal							Yes
0036	Quartz FCU	23:51	74.5			HPF	cal							Yes
0037	Alpha Bright Cal	23:53	85.2			HPF	cal							Yes
0038	Alpha Bright Cal	23:55	85.2			HPF	cal							Yes
0039	Alpha Bright Cal	23:57	85.2			HPF	cal							Yes
0040	Alpha Bright Cal	23:59	85.2			HPF	cal							Yes

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