HET Night Report Reader

Civil Date	Ephemerides
2025-04-26	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:38	02:27	02:58	10:49	11:20	12:09	11:48	00:43
Night Length	7:51		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator
Stephen Odewahn	Nathan McReynolds

Overlaps		none

Other Personnel	Nicole Wilson

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
01:36	20.7	21.5	01:43	dust	00:07
03:03	17.4	18.8	06:19	dew point	03:16
08:18	16.5	17.0	11:37	twilight	03:19
Total Time Open					6:42

Program	Night Priority	Science
02:58	Idle due to weather (dust)
03:50	Science
05:46	Idle due to weather (dew point closure)
08:48	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
03:03	03:50	0.45	0.66	197	+3178	17.2	18.9	19.0	126	11	First of Night
08:18	08:48	0.45	0.68	187	+4906	16.1	16.8	16.8	185	16	Stack/Re-stack
11:06	11:14	0.74	1.17	-53	+4918	15.6	16.1	16.2	191	16	Post-Observing
11:14	11:37				+4858	16.0	16.2	16.1	190	18	End of Night

Problem Reports
PR Number	Times	Time Lost	Description	Response
5755	05:48-05:49, 10:28-10:28	00:01	TT froze

TO Comments	none

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
0001	Quartz FCU	00:00	74.5			HPF	cal							Yes
0002	Quartz FCU	00:01	74.5			HPF	cal							Yes
0003	Quartz FCU	00:03	74.5			HPF	cal							Yes
0004	Quartz FCU	00:05	74.5			HPF	cal							Yes
0005	Quartz FCU	00:07	74.5			HPF	cal							Yes
0006	Quartz FCU	00:08	74.5			HPF	cal							Yes
0007	Quartz FCU	00:10	74.5			HPF	cal							Yes
0008	Alpha Bright Cal	00:13	85.2			HPF	cal							Yes
0009	Alpha Bright Cal	00:15	85.2			HPF	cal							Yes
0010	Alpha Bright Cal	00:16	85.2			HPF	cal							Yes
0011	Alpha Bright Cal	00:18	85.2			HPF	cal							Yes
0012	LFC FCU	00:21	106.5			HPF	cal							Yes
0013	LFC FCU	00:23	106.5			HPF	cal							Yes
0014	LFC Cal	00:26	106.5			HPF	cal							Yes
0015	LFC Cal	00:28	106.5			HPF	cal							Yes
0016	Etalon Cal	00:31	159.8			HPF	cal							Yes
0017	UNe Slave Cal	00:35	426			HPF	cal							Yes
lrs20000001_01	flat_Qth_R	00:36	15			LRS2	cal							Yes
lrs20000001_02	flat_Qth_R	00:37	15			LRS2	cal							Yes
lrs20000001_03	flat_Qth_R	00:39	15			LRS2	cal							Yes
lrs20000001_04	flat_Qth_R	00:40	15			LRS2	cal							Yes
lrs20000001_05	flat_Qth_R	00:41	15			LRS2	cal							Yes
0018	UNe Slave Cal	00:42	426			HPF	cal							Yes
lrs20000002_01	flat_ldls_long_B	00:42	20			LRS2	cal							Yes
lrs20000002_02	flat_ldls_long_B	00:44	20			LRS2	cal							Yes
lrs20000002_03	flat_ldls_long_B	00:45	20			LRS2	cal							Yes
lrs20000003_01	Cd-A_B	00:46	38			LRS2	cal							Yes
lrs20000003_02	Cd-A_B	00:48	38			LRS2	cal							Yes
0019	UNe Slave Cal	00:50	426			HPF	cal							Yes
lrs20000003_03	Cd-A_B	00:50	38			LRS2	cal							Yes
lrs20000004_01	FeAr_R	00:51	15			LRS2	cal							Yes
lrs20000004_02	FeAr_R	00:53	15			LRS2	cal							Yes
lrs20000004_03	FeAr_R	00:54	15			LRS2	cal							Yes
lrs20000005_01	Hg_R	00:55	20			LRS2	cal							Yes
lrs20000005_02	Hg_R	00:57	20			LRS2	cal							Yes
0020	UNe Slave Cal	00:58	426			HPF	cal							Yes
lrs20000005_03	Hg_R	00:58	20			LRS2	cal							Yes
lrs20000006_01	Hg_B	00:59	15			LRS2	cal							Yes
lrs20000006_02	Hg_B	01:00	15			LRS2	cal							Yes
lrs20000006_03	Hg_B	01:02	15			LRS2	cal							Yes
0021	UNe Slave Cal	01:06	426			HPF	cal							Yes
virus0000001_01	flat_ldls_long	01:08	15			VIRUS	cal							Yes
virus0000001_02	flat_ldls_long	01:10	15			VIRUS	cal							Yes
virus0000001_03	flat_ldls_long	01:11	15			VIRUS	cal							Yes
virus0000002_01	Cd-A	01:12	15			VIRUS	cal							Yes
0022	UNe Slave Cal	01:13	426			HPF	cal							Yes
virus0000002_02	Cd-A	01:14	15			VIRUS	cal							Yes
virus0000002_03	Cd-A	01:15	15			VIRUS	cal							Yes
virus0000003_01	Hg	01:17	15			VIRUS	cal							Yes
virus0000003_02	Hg	01:18	15			VIRUS	cal							Yes
virus0000003_03	Hg	01:19	15			VIRUS	cal							Yes
lrs20000007_01	bias	01:21	0			LRS2	cal							Yes
virus0000004_01	bias	01:21	0			VIRUS	cal							Yes
lrs20000007_02	bias	01:22	0			LRS2	cal							Yes
virus0000004_02	bias	01:22	0			VIRUS	cal							Yes
lrs20000007_03	bias	01:22	0			LRS2	cal							Yes
virus0000004_03	bias	01:23	0			VIRUS	cal							Yes
lrs20000007_04	bias	01:23	0			LRS2	cal							Yes
virus0000004_04	bias	01:24	0			VIRUS	cal							Yes
lrs20000007_05	bias	01:24	0			LRS2	cal							Yes
virus0000004_05	bias	01:24	0			VIRUS	cal							Yes
lrs20000007_06	bias	01:25	0			LRS2	cal							Yes
virus0000004_06	bias	01:25	0			VIRUS	cal							Yes
lrs20000007_07	bias	01:26	0			LRS2	cal							Yes
virus0000004_07	bias	01:26	0			VIRUS	cal							Yes
lrs20000007_08	bias	01:27	0			LRS2	cal							Yes
virus0000004_08	bias	01:27	0			VIRUS	cal							Yes
lrs20000007_09	bias	01:28	0			LRS2	cal							Yes
virus0000004_09	bias	01:28	0			VIRUS	cal							Yes
lrs20000007_10	bias	01:29	0			LRS2	cal							Yes
virus0000004_10	bias	01:29	0			VIRUS	cal							Yes
lrs20000007_11	bias	01:29	0			LRS2	cal							Yes
virus0000004_11	bias	01:30	0			VIRUS	cal							Yes
lrs20000008_01	dark	02:13	360			LRS2	cal							Yes
virus0000005_01	dark	02:13	360			VIRUS	cal							Yes
lrs20000008_02	dark	02:20	360			LRS2	cal							Yes
virus0000005_02	dark	02:20	360			VIRUS	cal							Yes
lrs20000008_03	dark	02:27	360			LRS2	cal							Yes
virus0000005_03	dark	02:27	360			VIRUS	cal							Yes
lrs20000009_01	BD+541216_056_W	03:56	60	6.0		LRS2	spec	2.58		21.72	0.61			Yes
lrs20000010_01	BD+541216_066_W	04:01	30	3.5		LRS2	spec	2.71		20.47	0.86			Yes
0023	test_drk_donotuse	04:03	10.7			HPF	cal							Yes
0024	HR5085_tell_std	04:07	117.2	6.0		HPF	telluric	2.82		20.47	0.69			Yes
0025	LFC Cal	04:11	106.5			HPF	cal							Yes
0026	LFC Cal	04:17	106.5			HPF	cal							Yes
virus0000006_01	parallel	04:17	300			VIRUS	sci							Yes
lrs20000011_01	QID 21	04:17	300	8.0	PSU25-2-007	LRS2-R	sci	2.34		20.62	0.90			P4
0027	LFC Cal	04:19	106.5			HPF	cal							Yes
0028	LFC Cal	04:23	106.5			HPF	cal							Yes
virus0000007_01	parallel	04:28	2400			VIRUS	sci							Yes
lrs20000012_01	QID 1	04:28	2400	6.0	PSU25-2-003	LRS2-B	sci	1.89		21.65	0.82			Yes
0029	LFC Cal	04:29	106.5			HPF	cal							Yes
0030	LFC Cal	04:31	106.5			HPF	cal							Yes
0031	LFC Cal	04:33	106.5			HPF	cal							Yes
0032	LFC Cal	05:10	106.5			HPF	cal							Yes
0033	test_drk_donotuse	05:13	10.7			HPF	cal							Yes
0034	QID 155	05:14	915.9	6.7	G25-2-002	HPF	sci	1.75		20.18	0.87	41		Yes
virus0000008_01	parallel	05:14	1959			VIRUS	sci							Yes
0035	QID 155	05:30	915.9	0.7	G25-2-002	HPF	sci	1.94		20.14	0.86	37		Yes
0036	LFC Cal	05:48	106.5			HPF	cal							Yes
0037	LFC Cal	05:54	106.5			HPF	cal							Yes
virus0000009_01	parallel	05:54	1800			VIRUS	sci							Yes
lrs20000013_01	QID 183	05:54	1560	8.0	UT25-2-004	LRS2-B	sci	2.37		21.94	0.69		stopped near end of exposure by dew point closure.	No
0038	LFC Cal	05:56	106.5			HPF	cal							Yes
0039	LFC Cal	05:59	106.5			HPF	cal							Yes
0040	LFC Cal	07:51	106.5			HPF	cal							Yes
0041	LFC Cal	07:54	106.5			HPF	cal							Yes
0042	LFC Cal	07:56	106.5			HPF	cal							Yes
0043	LFC Cal	08:48	106.5			HPF	cal							Yes
0044	LFC Cal	08:53	106.5			HPF	cal							Yes
lrs20000014_01	parallel	08:53	1000			LRS2	sci							Yes
virus0000010_01	QID 168	08:53	1000	5.3	UT25-2-014	VIRUS	sci	1.55		22.31	0.63			Yes
0045	LFC Cal	08:55	106.5			HPF	cal							Yes
0046	LFC Cal	08:58	106.5			HPF	cal							Yes
lrs20000014_02	parallel	09:11	1000			LRS2	sci							Yes
virus0000010_02	QID 168	09:11	1000	0.3	UT25-2-014	VIRUS	sci	1.56		22.30	0.84			Yes
lrs20000014_03	parallel	09:29	1000			LRS2	sci							Yes
virus0000010_03	QID 168	09:29	1000	1.3	UT25-2-014	VIRUS	sci	1.77		22.28	0.70			Yes
0047	LFC Cal	09:46	106.5			HPF	cal							Yes
0048	LFC Cal	09:49	106.5			HPF	cal							Yes
lrs20000015_01	parallel	09:49	540			LRS2	sci							Yes
virus0000011_01	QID 1392	09:49	540	4.0	UT25-2-017	VIRUS	sci	1.84		21.88	0.61			Yes
0049	LFC Cal	09:52	106.5			HPF	cal							Yes
0050	LFC Cal	09:54	106.5			HPF	cal							Yes
lrs20000015_02	parallel	09:59	540			LRS2	sci							Yes
virus0000011_02	QID 1392	09:59	540	1.0	UT25-2-017	VIRUS	sci	2.01		21.88	0.57			Yes
lrs20000015_03	parallel	10:10	540			LRS2	sci							Yes
virus0000011_03	QID 1392	10:10	540	2.0	UT25-2-017	VIRUS	sci	2.38		21.90	0.54			Yes
virus0000012_01	1808347_034_E	10:25	60	6.0		VIRUS	spec	2.30		21.71	0.56			Yes
virus0000012_02	1808347_034_E	10:28	60	2.0		VIRUS	spec	2.49		21.67	0.39			Yes
virus0000012_03	1808347_034_E	10:30	60	1.0		VIRUS	spec	2.51		21.73	0.30			Yes
0051	LFC Cal	10:32	106.5			HPF	cal							Yes
0052	LFC Cal	10:36	106.5			HPF	cal							Yes
virus0000013_01	parallel	10:36	1800			VIRUS	sci							Yes
lrs20000016_01	QID 1415	10:36	1800	5.0	M25-2-009	LRS2-R	sci	2.39		20.58	0.48		image quality slightly below constraint, please check data quality	Yes
0053	LFC Cal	10:39	106.5			HPF	cal							Yes
0054	LFC Cal	10:41	106.5			HPF	cal							Yes
lrs20000017_01	bias	11:09	0			LRS2	cal							Yes
virus0000014_01	bias	11:09	0			VIRUS	cal							Yes
virus0000015_01	Cd-A	11:14	15		ENG25-2-002	VIRUS	cal							Yes
virus0000016_01	Hg	11:15	15		ENG25-2-002	VIRUS	cal							Yes
0055	Dark	11:39	319.5			HPF	cal							Yes
0056	Quartz FCU	11:51	74.5			HPF	cal							Yes
0057	Quartz FCU	11:53	74.5			HPF	cal							Yes
0058	Quartz FCU	11:55	74.5			HPF	cal							Yes
0059	Quartz FCU	11:56	74.5			HPF	cal							Yes
0060	Quartz FCU	11:58	74.5			HPF	cal							Yes
0061	Quartz FCU	12:00	74.5			HPF	cal							Yes
0062	Quartz FCU	12:02	74.5			HPF	cal							Yes
0063	Alpha Bright Cal	12:04	85.2			HPF	cal							Yes
0064	Alpha Bright Cal	12:06	85.2			HPF	cal							Yes
0065	Alpha Bright Cal	12:08	85.2			HPF	cal							Yes
0066	Alpha Bright Cal	12:10	85.2			HPF	cal							Yes
0067	LFC FCU	12:12	106.5			HPF	cal							Yes
0068	LFC FCU	12:15	106.5			HPF	cal							Yes
0069	LFC FCU	12:17	106.5			HPF	cal							Yes
0070	LFC FCU	12:19	106.5			HPF	cal							Yes
0071	LFC FCU	12:22	106.5			HPF	cal							Yes
0072	LFC FCU	12:24	106.5			HPF	cal							Yes
0073	LFC Cal	12:27	106.5			HPF	cal							Yes
0074	LFC Cal	12:29	106.5			HPF	cal							Yes
0075	Etalon Cal	12:37	159.8			HPF	cal							Yes
0076	Etalon Cal	12:40	159.8			HPF	cal							Yes
0077	Etalon Cal	12:43	159.8			HPF	cal							Yes
0078	Etalon Cal	12:47	159.8			HPF	cal							Yes
0079	UNe Slave Cal	12:50	426			HPF	cal							Yes
0080	UNe Slave Cal	12:58	426			HPF	cal							Yes
0081	UNe Slave Cal	13:06	426			HPF	cal							Yes
0082	UNe Slave Cal	13:14	426			HPF	cal							Yes
0083	UNe Slave Cal	13:21	426			HPF	cal							Yes
0084	UNe Slave Cal	13:29	426			HPF	cal							Yes
lrs20009900_01	bias	23:41	0			LRS2	cal							Yes
0054	LFC Cal	23:41	106.5			HPF	cal							Yes
virus0009900_01	flat_Qth	23:42	20			VIRUS	cal							Yes
virus0009901_01	bias	23:43	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	23:44	20			LRS2	cal							Yes
virus0009902_01	dark	23:45	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	23:46	38			LRS2	cal							Yes
lrs20009903_01	FeAr_R	23:48	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	23:49	15			LRS2	cal							Yes
0055	Dark	23:53	319.5			HPF	cal							Yes