HET Night Report Reader

Civil Date	Ephemerides
2026-07-23	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	02:04	02:55	03:29	10:36	11:10	12:02	-	07:36
Night Length	7:07		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator	OPS Engineer	Day Ops
Zach Vanderbosch	Cassie Crowe	-	-

Overlaps		none

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
02:02	25.7	26.4	11:14	twilight	09:12
Total Time Open					9:12

Program	Night Priority	Science
03:29	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
02:31	03:09	0.45	0.67	-400	-1600	24.8	25.5	25.7	130	10	First of Night
06:27	06:57	0.41	0.63	-395	-284	21.4	22.3	22.6	138	10	Stack/Re-stack
11:06	11:11	0.48	0.73	-290	+167	21.7	22.4	22.8	208	8	Post-Observing

Problem Reports					no PRs

Ops Comments	none

TO Comments	Clear all night.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
lrs20000025_02	bias	00:00	0			LRS2	cal							Yes
virus0000029_02	bias	00:00	0			VIRUS	cal							Yes
lrs20000025_03	bias	00:00	0			LRS2	cal							Yes
lrs20000025_04	bias	00:01	0			LRS2	cal							Yes
virus0000029_03	bias	00:01	0			VIRUS	cal							Yes
virus0000029_04	bias	00:02	0			VIRUS	cal							Yes
lrs20000025_05	bias	00:02	0			LRS2	cal							Yes
virus0000029_05	bias	00:02	0			VIRUS	cal							Yes
lrs20000025_06	bias	00:03	0			LRS2	cal							Yes
virus0000029_06	bias	00:03	0			VIRUS	cal							Yes
lrs20000025_07	bias	00:04	0			LRS2	cal							Yes
virus0000029_07	bias	00:04	0			VIRUS	cal							Yes
lrs20000025_08	bias	00:05	0			LRS2	cal							Yes
virus0000029_08	bias	00:05	0			VIRUS	cal							Yes
lrs20000025_09	bias	00:06	0			LRS2	cal							Yes
virus0000029_09	bias	00:06	0			VIRUS	cal							Yes
lrs20000025_10	bias	00:06	0			LRS2	cal							Yes
virus0000029_10	bias	00:07	0			VIRUS	cal							Yes
lrs20000025_11	bias	00:07	0			LRS2	cal							Yes
virus0000029_11	bias	00:08	0			VIRUS	cal							Yes
lrs20000026_01	dark	00:08	360			LRS2	cal							Yes
virus0000030_01	dark	00:09	360			VIRUS	cal							Yes
lrs20000026_02	dark	00:15	360			LRS2	cal							Yes
virus0000030_02	dark	00:15	360			VIRUS	cal							Yes
lrs20000026_03	dark	00:22	360			LRS2	cal							Yes
virus0000030_03	dark	00:22	360			VIRUS	cal							Yes
lrs20000001_01	skyflat	02:09	7			LRS2	cal							Yes
lrs20000002_01	skyflat	02:10	10			LRS2	cal							Yes
lrs20000003_01	skyflat	02:11	13			LRS2	cal							Yes
lrs20000004_01	skyflat	02:12	16			LRS2	cal							Yes
lrs20000005_01	skyflat	02:14	22			LRS2	cal							Yes
lrs20000006_01	skyflat	02:15	30			LRS2	cal							Yes
virus0000001_01	skyflat	02:19	7			VIRUS	cal							Yes
virus0000002_01	skyflat	02:20	10			VIRUS	cal							Yes
virus0000003_01	skyflat	02:21	14			VIRUS	cal							Yes
virus0000004_01	skyflat	02:23	18			VIRUS	cal							Yes
virus0000005_01	skyflat	02:24	26			VIRUS	cal							Yes
virus0000006_01	parallel	03:16	2041.5			VIRUS	sci							Yes
0001	parallel	03:17	649.6	6.2	UT26-2-007	HPF	sci	1.41	0.97	19.76	0.87	117		Yes
0002	parallel	03:28	649.6	1.2	UT26-2-007	HPF	sci	1.31	0.92	19.75	0.88	128		Yes
0003	parallel	03:40	649.6	1.2	UT26-2-007	HPF	sci	1.28	0.88	19.67	0.86	119		Yes
virus0000007_01	parallel	03:55	2000			VIRUS	sci							Yes
0004	parallel	03:56	969.1	4.8	UT26-2-007	HPF	sci	1.36	1.06	19.28	0.85	26		Yes
0005	parallel	04:13	969.1	0.8	UT26-2-007	HPF	sci	1.47	1.05	19.49	0.86	26		Yes
0006	parallel	04:34	969.1	5.8	PSU26-2-015	HPF	sci	1.59	0.98	19.87	0.90	143		Yes
virus0000008_01	parallel	04:34	2000			VIRUS	sci							Yes
0007	parallel	04:52	969.1	0.8	PSU26-2-015	HPF	sci	1.67	1.08	19.90	0.90	147		Yes
0008	LFC Cal	05:09	106.5			HPF	cal							Yes
virus0000009_01	parallel	05:15	900			VIRUS	sci							Yes
lrs20000007_01	parallel	05:15	900	7.0	PSU26-2-004	LRS2-B	sci	1.69	1.04	20.09	0.80			Yes
0009	LFC Cal	05:16	106.5			HPF	cal							Yes
0010	LFC Cal	05:18	106.5			HPF	cal							Yes
0011	LFC Cal	05:20	106.5			HPF	cal							Yes
virus0000009_02	parallel	05:31	900			VIRUS	sci							Yes
lrs20000007_02	parallel	05:32	900	2.0	PSU26-2-004	LRS2-B	sci	1.62		20.16	0.78			Yes
virus0000010_01	parallel	05:51	2000			VIRUS	sci							Yes
0012	parallel	05:52	969.1	4.8	UT26-2-007	HPF	sci	1.69		19.73	0.95	41		Yes
0013	parallel	06:09	969.1	1.8	UT26-2-007	HPF	sci	1.85		19.91	0.96	42		Yes
0014	HR6900_tell_std	07:04	330.2	7.5		HPF	telluric	1.47		19.47	0.89			Yes
virus0000011_01	LDS749B_034_E	07:15	60	5.0		VIRUS	spec	1.43		20.64	0.88			Yes
virus0000011_02	LDS749B_034_E	07:17	60	1.0		VIRUS	spec	1.45		20.70	0.89			Yes
virus0000011_03	LDS749B_034_E	07:19	60	1.0		VIRUS	spec	1.32		20.75	0.88			Yes
lrs20000008_01	HD180609_056_W	07:27	30	6.5		LRS2	spec	1.63		21.14	0.85			Yes
lrs20000009_01	HD180609_066_W	07:31	30	3.5		LRS2	spec	1.55		20.55	0.98			Yes
0015	LFC Cal	07:36	106.5			HPF	cal							Yes
lrs20000010_01	parallel	07:36	600			LRS2	sci							Yes
virus0000012_01	parallel	07:36	600	5.0	PSU26-2-003	VIRUS	sci	1.34		21.43	0.88			Yes
0016	LFC Cal	07:39	106.5			HPF	cal							Yes
0017	LFC Cal	07:41	106.5			HPF	cal							Yes
lrs20000010_02	parallel	07:47	600			LRS2	sci							Yes
virus0000012_02	parallel	07:47	600	1.0	PSU26-2-003	VIRUS	sci	1.37		21.62	0.89			Yes
lrs20000010_03	parallel	07:59	600			LRS2	sci							Yes
virus0000012_03	parallel	07:59	600	2.0	PSU26-2-003	VIRUS	sci	1.27		21.67	0.89			Yes
0018	LFC Cal	08:14	106.5			HPF	cal							Yes
lrs20000011_01	parallel	08:14	1200			LRS2	sci							Yes
virus0000013_01	parallel	08:14	1200	5.0	M26-2-006	VIRUS	sci	1.36		21.67	0.98			Yes
0019	LFC Cal	08:17	106.5			HPF	cal							Yes
0020	LFC Cal	08:19	106.5			HPF	cal							Yes
lrs20000011_02	parallel	08:35	1200			LRS2	sci							Yes
virus0000013_02	parallel	08:35	1200	1.0	M26-2-006	VIRUS	sci	1.46		21.70	0.95			Yes
lrs20000011_03	parallel	08:56	1200			LRS2	sci							Yes
virus0000013_03	parallel	08:56	1200	1.0	M26-2-006	VIRUS	sci	1.44		21.69	0.96			Yes
virus0000014_01	parallel	09:22	2000			VIRUS	sci							Yes
0021	parallel	09:23	969.1	6.8	PSU26-2-015	HPF	sci	1.29		20.33	0.80	214		Yes
0022	parallel	09:40	969.1	0.8	PSU26-2-015	HPF	sci	1.30		20.27	0.80	189		Yes
0023	LFC Cal	09:58	106.5			HPF	cal							Yes
0024	LFC Cal	10:03	106.5			HPF	cal							Yes
virus0000015_01	parallel	10:03	300			VIRUS	sci							Yes
lrs20000012_01	parallel	10:03	300	7.0	PSU26-2-001	LRS2-R	sci	1.52		21.02	0.75			P4
0025	LFC Cal	10:06	106.5			HPF	cal							Yes
0026	parallel	10:13	969.1	5.8	UT26-2-007	HPF	sci	1.36		20.28	0.82	16		Yes
virus0000016_01	parallel	10:13	2000			VIRUS	sci							Yes
0027	parallel	10:31	969.1	0.8	UT26-2-007	HPF	sci	1.21	0.55	20.32	0.77	18		Yes
lrs20000013_01	parallel	10:52	180	5.0	UT26-2-017	LRS2-B	sci	1.15	0.60	21.12	0.79			P4
0028	LFC Cal	10:53	106.5			HPF	cal							Yes
0029	LFC Cal	10:59	106.5			HPF	cal							Yes
virus0000017_01	parallel	10:59	360			VIRUS	sci							Yes
lrs20000014_01	parallel	10:59	360	4.0	UT26-2-017	LRS2-R	sci	1.31	0.75	20.39	0.97			P4
0030	LFC Cal	11:01	106.5			HPF	cal							Yes
lrs20000015_01	bias	11:06	0			LRS2	cal							Yes
virus0000018_01	bias	11:07	0			VIRUS	cal							Yes
virus0000019_01	Cd-A	11:11	15		ENG26-2-002	VIRUS	cal							Yes
virus0000020_01	Hg	11:12	15		ENG26-2-002	VIRUS	cal							Yes
0031	Dark	11:20	319.5			HPF	cal							Yes
0032	Quartz FCU	11:31	74.5			HPF	cal							Yes
0033	Quartz FCU	11:33	74.5			HPF	cal							Yes
0034	Quartz FCU	11:35	74.5			HPF	cal							Yes
0035	Quartz FCU	11:37	74.5			HPF	cal							Yes
0036	Quartz FCU	11:38	74.5			HPF	cal							Yes
0037	Quartz FCU	11:40	74.5			HPF	cal							Yes
0038	Quartz FCU	11:42	74.5			HPF	cal							Yes
0039	Alpha Bright Cal	11:44	85.2			HPF	cal							Yes
0040	Alpha Bright Cal	11:46	85.2			HPF	cal							Yes
0041	Alpha Bright Cal	11:48	85.2			HPF	cal							Yes
0042	Alpha Bright Cal	11:50	85.2			HPF	cal							Yes
0043	LFC FCU	11:53	106.5			HPF	cal							Yes
0044	LFC FCU	11:55	106.5			HPF	cal							Yes
0045	LFC FCU	11:57	106.5			HPF	cal							Yes
0046	LFC FCU	12:00	106.5			HPF	cal							Yes
0047	LFC FCU	12:02	106.5			HPF	cal							Yes
0048	LFC FCU	12:04	106.5			HPF	cal							Yes
0049	LFC Cal	12:07	106.5			HPF	cal							Yes
0050	LFC Cal	12:10	106.5			HPF	cal							Yes
0051	Etalon Cal	12:17	159.8			HPF	cal							Yes
0052	Etalon Cal	12:21	159.8			HPF	cal							Yes
0053	Etalon Cal	12:24	159.8			HPF	cal							Yes
0054	Etalon Cal	12:27	159.8			HPF	cal							Yes
0055	UNe Slave Cal	12:30	426			HPF	cal							Yes
0056	UNe Slave Cal	12:38	426			HPF	cal							Yes
0057	UNe Slave Cal	12:46	426			HPF	cal							Yes
0058	UNe Slave Cal	12:54	426			HPF	cal							Yes
0059	UNe Slave Cal	13:02	426			HPF	cal							Yes
0060	UNe Slave Cal	13:09	426			HPF	cal							Yes
lrs20009900_01	bias	22:15	0			LRS2	cal							Yes
0126	LFC Cal	22:16	106.5			HPF	cal							Yes
virus0009900_01	flat_Qth	22:16	20			VIRUS	cal							Yes
virus0009901_01	bias	22:17	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	22:18	20			LRS2	cal							Yes
virus0009902_01	dark	22:19	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:20	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:22	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:23	15			LRS2	cal							Yes
0127	LFC Cal	22:28	106.5			HPF	cal							Yes
0128	Dark	22:33	319.5			HPF	cal							Yes
0129	Quartz FCU	22:39	74.5			HPF	cal							Yes
0130	Quartz FCU	22:41	74.5			HPF	cal							Yes
0131	Quartz FCU	22:43	74.5			HPF	cal							Yes
0132	Quartz FCU	22:44	74.5			HPF	cal							Yes
0133	Quartz FCU	22:46	74.5			HPF	cal							Yes
0134	Quartz FCU	22:48	74.5			HPF	cal							Yes
0135	Quartz FCU	22:50	74.5			HPF	cal							Yes
0136	Alpha Bright Cal	22:52	85.2			HPF	cal							Yes
0137	Alpha Bright Cal	22:54	85.2			HPF	cal							Yes
0138	Alpha Bright Cal	22:56	85.2			HPF	cal							Yes
0139	Alpha Bright Cal	22:58	85.2			HPF	cal							Yes
0140	LFC FCU	23:01	106.5			HPF	cal							Yes
0141	LFC FCU	23:03	106.5			HPF	cal							Yes
0142	LFC Cal	23:06	106.5			HPF	cal							Yes
0143	LFC Cal	23:08	106.5			HPF	cal							Yes
0144	Etalon Cal	23:11	159.8			HPF	cal							Yes
0145	UNe Slave Cal	23:14	426			HPF	cal							Yes
lrs20000019_01	flat_Qth_R	23:15	15			LRS2	cal							Yes
lrs20000019_02	flat_Qth_R	23:16	15			LRS2	cal							Yes
lrs20000019_03	flat_Qth_R	23:18	15			LRS2	cal							Yes
lrs20000019_04	flat_Qth_R	23:19	15			LRS2	cal							Yes
lrs20000019_05	flat_Qth_R	23:20	15			LRS2	cal							Yes
lrs20000020_01	flat_ldls_long_B	23:21	20			LRS2	cal							Yes
0146	UNe Slave Cal	23:22	426			HPF	cal							Yes
lrs20000020_02	flat_ldls_long_B	23:23	20			LRS2	cal							Yes
lrs20000020_03	flat_ldls_long_B	23:24	20			LRS2	cal							Yes
lrs20000021_01	Cd-A_B	23:25	29			LRS2	cal							Yes
lrs20000021_02	Cd-A_B	23:27	29			LRS2	cal							Yes
lrs20000021_03	Cd-A_B	23:28	29			LRS2	cal							Yes
0147	UNe Slave Cal	23:30	426			HPF	cal							Yes
lrs20000022_01	FeAr_R	23:30	15			LRS2	cal							Yes
lrs20000022_02	FeAr_R	23:31	15			LRS2	cal							Yes
lrs20000022_03	FeAr_R	23:32	15			LRS2	cal							Yes
lrs20000023_01	Hg_R	23:33	20			LRS2	cal							Yes
lrs20000023_02	Hg_R	23:35	20			LRS2	cal							Yes
lrs20000023_03	Hg_R	23:36	20			LRS2	cal							Yes
0148	UNe Slave Cal	23:37	426			HPF	cal							Yes
lrs20000024_01	Hg_B	23:37	15			LRS2	cal							Yes
lrs20000024_02	Hg_B	23:38	15			LRS2	cal							Yes
lrs20000024_03	Hg_B	23:40	15			LRS2	cal							Yes
0149	UNe Slave Cal	23:45	426			HPF	cal							Yes
virus0000026_01	flat_ldls_long	23:46	15			VIRUS	cal							Yes
virus0000026_02	flat_ldls_long	23:48	15			VIRUS	cal							Yes
virus0000026_03	flat_ldls_long	23:49	15			VIRUS	cal							Yes
virus0000027_01	Cd-A	23:50	15			VIRUS	cal							Yes
virus0000027_02	Cd-A	23:52	15			VIRUS	cal							Yes
0150	UNe Slave Cal	23:53	426			HPF	cal							Yes
virus0000027_03	Cd-A	23:53	15			VIRUS	cal							Yes
virus0000028_01	Hg	23:55	15			VIRUS	cal							Yes
virus0000028_02	Hg	23:56	15			VIRUS	cal							Yes
virus0000028_03	Hg	23:57	15			VIRUS	cal							Yes
lrs20000025_01	bias	23:59	0			LRS2	cal							Yes
virus0000029_01	bias	23:59	0			VIRUS	cal							Yes

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