HET Night Report Reader

Civil Date	Ephemerides
2026-01-25	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	00:33	01:20	01:49	12:27	12:55	13:43	-	07:29
Night Length	10:38		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator
Zach Vanderbosch	Cassie Crowe

Overlaps		none

Other Personnel	Jose Fernandez, Stephen Cadd

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
01:00	-3.2	4.0	13:30	twilight	12:30
Total Time Open					12:30

Program	Night Priority	Science
01:49	Science
05:49	Engineering (hpf)
06:37	Science
08:30	Engineering (hpf)
09:14	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
01:22	03:57	0.60	1.00	-35	+4215	-1.4	-0.9	-1.2	288	16	First of Night
07:04	07:49	0.50	0.82	-15	+3688	0.6	1.2	1.1	288	19	Stack/Re-stack
12:52	12:59	1.07	2.18	-75	+3651	-3.0	-1.8	-1.5	333	18	Post-Observing

Problem Reports
PR Number	Times	Time Lost	Description	Response
6635	10:19-10:24	00:05	Shuffle could not be run for Target Q# 1967	Moved on to another target.
6581	13:35-13:37	00:02	Dome shutter stuck at NEAR_CLOSED. Temps -2.5C.
6634	01:22-03:06	01:44	2:3 lower software limit issues in i actuator.	Called: NW, SAC SAC covered 2:3. Will investigate Monday.

TO Comments	Clear all night but humidity in the 70-80's. Noticed at EON that dome heaters had been on 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
lrs20000008_02	Hg_R	00:01	20			LRS2	cal							Yes
lrs20000008_03	Hg_R	00:02	20			LRS2	cal							Yes
lrs20000009_01	Hg_B	00:03	15			LRS2	cal							Yes
lrs20000009_02	Hg_B	00:05	15			LRS2	cal							Yes
lrs20000009_03	Hg_B	00:06	15			LRS2	cal							Yes
virus0000001_01	flat_ldls_long	00:12	15			VIRUS	cal							Yes
virus0000001_02	flat_ldls_long	00:14	15			VIRUS	cal							Yes
virus0000001_03	flat_ldls_long	00:15	15			VIRUS	cal							Yes
virus0000002_01	Cd-A	00:17	15			VIRUS	cal							Yes
virus0000002_02	Cd-A	00:18	15			VIRUS	cal							Yes
virus0000002_03	Cd-A	00:19	15			VIRUS	cal							Yes
virus0000003_01	Hg	00:21	15			VIRUS	cal							Yes
virus0000003_02	Hg	00:22	15			VIRUS	cal							Yes
virus0000003_03	Hg	00:24	15			VIRUS	cal							Yes
0001	UNe Slave Cal	00:39	426			HPF	cal							Yes
0002	UNe Slave Cal	00:47	426			HPF	cal							Yes
0003	UNe Slave Cal	00:55	426			HPF	cal							Yes
lrs20000001_01	dark	01:02	360			LRS2	cal							Yes
virus0000004_01	dark	01:02	360			VIRUS	cal							Yes
0004	UNe Slave Cal	01:03	426			HPF	cal							Yes
lrs20000001_02	dark	01:09	360			LRS2	cal							Yes
virus0000004_02	dark	01:09	360			VIRUS	cal							Yes
0005	UNe Slave Cal	01:11	426			HPF	cal							Yes
lrs20000001_03	dark	01:15	360			LRS2	cal							Yes
virus0000004_03	dark	01:16	360			VIRUS	cal							Yes
0006	UNe Slave Cal	01:18	426			HPF	cal							Yes
lrs20000002_01	bias	01:23	0			LRS2	cal							Yes
virus0000005_01	bias	01:23	0			VIRUS	cal							Yes
lrs20000002_02	bias	01:24	0			LRS2	cal							Yes
virus0000005_02	bias	01:24	0			VIRUS	cal							Yes
lrs20000002_03	bias	01:24	0			LRS2	cal							Yes
virus0000005_03	bias	01:25	0			VIRUS	cal							Yes
lrs20000002_04	bias	01:25	0			LRS2	cal							Yes
virus0000005_04	bias	01:26	0			VIRUS	cal							Yes
lrs20000002_05	bias	01:26	0			LRS2	cal							Yes
virus0000005_05	bias	01:26	0			VIRUS	cal							Yes
lrs20000002_06	bias	01:27	0			LRS2	cal							Yes
virus0000005_06	bias	01:27	0			VIRUS	cal							Yes
lrs20000002_07	bias	01:28	0			LRS2	cal							Yes
virus0000005_07	bias	01:28	0			VIRUS	cal							Yes
lrs20000002_08	bias	01:29	0			LRS2	cal							Yes
virus0000005_08	bias	01:29	0			VIRUS	cal							Yes
lrs20000002_09	bias	01:30	0			LRS2	cal							Yes
virus0000005_09	bias	01:30	0			VIRUS	cal							Yes
lrs20000002_10	bias	01:31	0			LRS2	cal							Yes
virus0000005_10	bias	01:31	0			VIRUS	cal							Yes
lrs20000002_11	bias	01:31	0			LRS2	cal							Yes
virus0000005_11	bias	01:32	0			VIRUS	cal							Yes
0007	LFC Cal	02:07	106.5			HPF	cal							Yes
0008	LFC Cal	02:10	106.5			HPF	cal							Yes
0009	LFC Cal	02:12	106.5			HPF	cal							Yes
0010	LFC Cal	03:03	106.5			HPF	cal							Yes
0011	LFC Cal	03:05	106.5			HPF	cal							Yes
0012	LFC Cal	03:07	106.5			HPF	cal							Yes
virus0000006_01	parallel	04:02	2047			VIRUS	sci							Yes
0013	QID 1965	04:03	969.1	5.8	UT26-1-010	HPF	sci	2.00	1.50	18.90	0.92	58		Yes
0014	QID 1965	04:20	969.1	0.8	UT26-1-010	HPF	sci	2.19	1.42	19.01	0.95	62		Yes
0015	LFC Cal	04:38	106.5			HPF	cal							Yes
0016	QID 1933	04:43	617.7	6.7	UT26-1-007	HPF	sci	2.28	1.69	19.88	0.72	14		Yes
virus0000007_01	parallel	04:43	1984			VIRUS	sci							Yes
0017	QID 1933	04:54	617.7	0.7	UT26-1-007	HPF	sci	2.17	1.13	19.99	0.73	15		Yes
0018	QID 1933	05:05	617.7	1.7	UT26-1-007	HPF	sci	2.21	1.22	19.95	0.72	10		Yes
0019	LFC Cal	05:17	106.5			HPF	cal							Yes
0020	HR1215_tell_std	05:24	117.2	8.0		HPF	telluric	2.00	1.22	19.38	0.93			Yes
0021	QID 1820	05:33	969.1	6.8	UT26-1-014	HPF	sci	2.08	1.15	20.17	0.66	253		P4
virus0000008_01	parallel	05:33	1023			VIRUS	sci							Yes
0022	LFC Cal	05:51	106.5			HPF	cal							Yes
0023	AD_Leo	05:59	159.8	10.3	ENG26-1-000	HPF	eng	2.27	1.22	19.03	0.72	220		Yes
virus0000009_01	parallel	05:59	2497			VIRUS	eng							Yes
0024	AD_Leo	06:02	159.8	0.3	ENG26-1-000	HPF	eng	2.33	1.08	19.07	0.75	251		Yes
0025	AD_Leo	06:06	159.8	0.3	ENG26-1-000	HPF	eng	2.35	1.40	19.14	0.79	271		Yes
0026	AD_Leo	06:09	159.8	1.3	ENG26-1-000	HPF	eng	2.42	1.16	19.23	0.82	255		Yes
0027	AD_Leo	06:12	159.8	0.3	ENG26-1-000	HPF	eng	2.40	1.19	19.32	0.84	268		Yes
0028	AD_Leo	06:15	159.8	0.3	ENG26-1-000	HPF	eng	2.50	1.29	19.47	0.85	270		Yes
0029	AD_Leo	06:18	159.8	0.3	ENG26-1-000	HPF	eng	2.53	1.25	19.59	0.88	290		Yes
0030	AD_Leo	06:22	159.8	0.3	ENG26-1-000	HPF	eng	2.37	1.17	19.73	0.90	294		Yes
0031	AD_Leo	06:25	159.8	1.3	ENG26-1-000	HPF	eng	2.39	1.39	19.78	0.89	337		Yes
0032	AD_Leo	06:28	159.8	0.3	ENG26-1-000	HPF	eng	2.35	1.21	19.81	0.88	318		Yes
0033	AD_Leo	06:31	159.8	0.3	ENG26-1-000	HPF	eng	2.38	1.50	19.81	0.87	294		Yes
0034	AD_Leo	06:34	159.8	0.3	ENG26-1-000	HPF	eng	2.41	1.25	19.79	0.87	284		Yes
0035	LFC Cal	06:38	106.5			HPF	cal							Yes
lrs20000003_01	BD+292091_056_E	06:44	60	7.0		LRS2	spec	2.38	1.36	20.87	0.66			Yes
lrs20000004_01	BD+292091_066_E	06:49	60	4.0		LRS2	spec	2.50	1.21	20.57	0.72			Yes
virus0000010_01	GD71_034_W	06:57	60	7.0		VIRUS	spec	2.31	1.31	20.58	0.88			Yes
virus0000010_02	GD71_034_W	06:59	60	1.0		VIRUS	spec	2.47	1.39	20.56	0.87			Yes
virus0000010_03	GD71_034_W	07:02	60	2.0		VIRUS	spec	2.19	1.26	20.56	0.90			Yes
virus0000011_01	parallel	07:56	2047			VIRUS	sci							Yes
0036	QID 1957	07:57	969.1	7.8	UT26-1-010	HPF	sci	1.80	1.48	20.23	0.97	176		Yes
0037	QID 1957	08:14	969.1	0.8	UT26-1-010	HPF	sci	1.73	1.57	20.23	0.87	143		Yes
0038	LFC Cal	08:32	106.5			HPF	cal							Yes
virus0000012_01	parallel	08:38	2161			VIRUS	eng							Yes
0039	Ross_128	08:39	394.1	8.4	ENG26-1-000	HPF	eng	1.98	1.27	20.11	0.95	266		Yes
0040	Ross_128	08:46	394.1	1.4	ENG26-1-000	HPF	eng	1.88	1.32	20.21	0.90	308		Yes
0041	Ross_128	08:53	394.1	0.4	ENG26-1-000	HPF	eng	1.87	1.41	20.23	0.88	313		Yes
0042	Ross_128	09:00	394.1	0.4	ENG26-1-000	HPF	eng	1.71	1.03	20.24	0.91	375		Yes
0043	Ross_128	09:08	394.1	0.4	ENG26-1-000	HPF	eng	1.76	1.17	20.21	0.89	337		Yes
0044	LFC Cal	09:16	106.5			HPF	cal							Yes
virus0000013_01	parallel	09:22	1023			VIRUS	sci							Yes
0045	QID 1861	09:23	969.1	8.8	PSU26-1-007	HPF	sci	1.95	1.67	20.50	0.61	31		Yes
0046	LFC Cal	09:40	106.5			HPF	cal							Yes
lrs20000005_01	parallel	09:46	600			LRS2	sci							Yes
virus0000014_01	QID 504	09:46	600	7.0	UT26-1-018	VIRUS	sci	1.99	1.10	21.63	0.85			Yes
0047	LFC Cal	09:47	106.5			HPF	cal							Yes
0048	LFC Cal	09:49	106.5			HPF	cal							Yes
0049	LFC Cal	09:51	106.5			HPF	cal							Yes
lrs20000005_02	parallel	09:58	600			LRS2	sci							Yes
virus0000014_02	QID 504	09:58	600	2.0	UT26-1-018	VIRUS	sci	1.84	0.99	21.62	0.85			Yes
lrs20000005_03	parallel	10:09	600			LRS2	sci							Yes
virus0000014_03	QID 504	10:09	600	1.0	UT26-1-018	VIRUS	sci	1.81	0.97	21.55	0.87			Yes
virus0000015_01	parallel	10:28	360			VIRUS	sci							Yes
0050	LFC Cal	10:29	106.5			HPF	cal							Yes
lrs20000006_01	QID 1683	10:29	360	5.0	UT26-1-016	LRS2-R	sci	1.97	1.16	21.00	0.55			P4
0051	LFC Cal	10:31	106.5			HPF	cal							Yes
0052	LFC Cal	10:38	106.5			HPF	cal							Yes
lrs20000007_01	QID 1684	10:38	180	3.0	UT26-1-016	LRS2-B	sci	2.05	1.17	21.86	0.65			P4
0053	QID 21	10:45	969.1	3.8	UT26-1-003	HPF	sci	1.90	1.16	19.84	0.93	33		Yes
virus0000016_01	parallel	10:45	2047			VIRUS	sci							Yes
0054	QID 21	11:02	969.1	1.8	UT26-1-003	HPF	sci	2.03	1.21	19.98	0.90	35		Yes
lrs20000008_01	parallel	11:25	1000			LRS2	sci							Yes
virus0000017_01	QID 1904	11:25	1000	6.3	UT26-1-018	VIRUS	sci	1.97	1.19	21.46	0.91			Yes
0055	LFC Cal	11:26	106.5			HPF	cal							Yes
0056	LFC Cal	11:28	106.5			HPF	cal							Yes
0057	LFC Cal	11:30	106.5			HPF	cal							Yes
lrs20000008_02	parallel	11:43	1000			LRS2	sci							Yes
virus0000017_02	QID 1904	11:43	1000	1.3	UT26-1-018	VIRUS	sci	2.46	1.59	21.62	0.85			Yes
lrs20000008_03	parallel	12:01	1000			LRS2	sci							Yes
virus0000017_03	QID 1904	12:01	1000	1.3	UT26-1-018	VIRUS	sci	2.32	1.32	21.83	0.83			Yes
0058	LFC Cal	12:23	106.5			HPF	cal							Yes
virus0000018_01	parallel	12:23	300			VIRUS	sci							Yes
lrs20000009_01	QID 31	12:23	300	5.0	PSU26-1-003	LRS2-R	sci	2.30	1.27	20.84	0.99			P4
0059	LFC Cal	12:25	106.5			HPF	cal							Yes
virus0000019_01	parallel	12:33	1023			VIRUS	sci							Yes
0060	QID 1808	12:34	969.1	5.8	UT26-1-014	HPF	sci	2.46	1.48	19.57	0.79	247		Yes
0061	LFC Cal	12:52	106.5			HPF	cal							Yes
lrs20000010_01	bias	12:55	0			LRS2	cal							Yes
virus0000020_01	bias	12:56	0			VIRUS	cal							Yes
virus0000021_01	Cd-A	13:00	15		ENG26-1-002	VIRUS	cal							Yes
virus0000022_01	Hg	13:02	15		ENG26-1-002	VIRUS	cal							Yes
virus0000023_01	skyflat	13:23	25			VIRUS	cal							Yes
virus0000024_01	skyflat	13:25	18			VIRUS	cal							Yes
virus0000025_01	skyflat	13:26	15			VIRUS	cal							Yes
0062	Dark	13:39	319.5			HPF	cal							Yes
0063	Quartz FCU	13:50	74.5			HPF	cal							Yes
0064	Quartz FCU	13:52	74.5			HPF	cal							Yes
0065	Quartz FCU	13:54	74.5			HPF	cal							Yes
0066	Quartz FCU	13:56	74.5			HPF	cal							Yes
0067	Quartz FCU	13:58	74.5			HPF	cal							Yes
0068	Quartz FCU	13:59	74.5			HPF	cal							Yes
0069	Quartz FCU	14:01	74.5			HPF	cal							Yes
0070	Alpha Bright Cal	14:03	85.2			HPF	cal							Yes
0071	Alpha Bright Cal	14:05	85.2			HPF	cal							Yes
0072	Alpha Bright Cal	14:07	85.2			HPF	cal							Yes
0073	Alpha Bright Cal	14:09	85.2			HPF	cal							Yes
0074	LFC FCU	14:12	106.5			HPF	cal							Yes
0075	LFC FCU	14:14	106.5			HPF	cal							Yes
0076	LFC FCU	14:17	106.5			HPF	cal							Yes
0077	LFC FCU	14:19	106.5			HPF	cal							Yes
0078	LFC FCU	14:21	106.5			HPF	cal							Yes
0079	LFC FCU	14:24	106.5			HPF	cal							Yes
0080	LFC Cal	14:27	106.5			HPF	cal							Yes
0081	LFC Cal	14:29	106.5			HPF	cal							Yes
0082	Etalon Cal	14:36	159.8			HPF	cal							Yes
0083	Etalon Cal	14:40	159.8			HPF	cal							Yes
0084	Etalon Cal	14:43	159.8			HPF	cal							Yes
0085	Etalon Cal	14:46	159.8			HPF	cal							Yes
0086	UNe Slave Cal	14:50	426			HPF	cal							Yes
0087	UNe Slave Cal	14:57	426			HPF	cal							Yes
0032	LFC Cal	22:16	106.5			HPF	cal							Yes
lrs20009900_01	bias	22:29	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	22:30	20			VIRUS	cal							Yes
virus0009901_01	bias	22:32	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	22:32	20			LRS2	cal							Yes
virus0009902_01	dark	22:34	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:35	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:36	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:38	15			LRS2	cal							Yes
lrs20000003_01	flat_ldls_long_B	22:51	20			LRS2	cal							Yes
lrs20000003_02	flat_ldls_long_B	22:52	20			LRS2	cal							Yes
lrs20000003_03	flat_ldls_long_B	22:54	20			LRS2	cal							Yes
0033	Dark	22:59	319.5			HPF	cal							Yes
0034	Quartz FCU	23:06	74.5			HPF	cal							Yes
0035	Quartz FCU	23:07	74.5			HPF	cal							Yes
0036	Quartz FCU	23:09	74.5			HPF	cal							Yes
0037	Quartz FCU	23:11	74.5			HPF	cal							Yes
0038	Quartz FCU	23:13	74.5			HPF	cal							Yes
0039	Quartz FCU	23:14	74.5			HPF	cal							Yes
0040	Quartz FCU	23:16	74.5			HPF	cal							Yes
0041	Alpha Bright Cal	23:18	85.2			HPF	cal							Yes
0042	Alpha Bright Cal	23:20	85.2			HPF	cal							Yes
0043	Alpha Bright Cal	23:22	85.2			HPF	cal							Yes
0044	Alpha Bright Cal	23:24	85.2			HPF	cal							Yes
0045	LFC FCU	23:27	106.5			HPF	cal							Yes
0046	LFC FCU	23:29	106.5			HPF	cal							Yes
0047	LFC Cal	23:32	106.5			HPF	cal							Yes
0048	LFC Cal	23:34	106.5			HPF	cal							Yes
0049	Etalon Cal	23:37	159.8			HPF	cal							Yes
lrs20000004_01	flat_Qth_R	23:41	15			LRS2	cal							Yes
lrs20000004_02	flat_Qth_R	23:42	15			LRS2	cal							Yes
lrs20000004_03	flat_Qth_R	23:44	15			LRS2	cal							Yes
lrs20000004_04	flat_Qth_R	23:45	15			LRS2	cal							Yes
lrs20000004_05	flat_Qth_R	23:46	15			LRS2	cal							Yes
lrs20000005_01	flat_ldls_long_B	23:47	20			LRS2	cal							Yes
lrs20000005_02	flat_ldls_long_B	23:49	20			LRS2	cal							Yes
lrs20000005_03	flat_ldls_long_B	23:50	20			LRS2	cal							Yes
lrs20000006_01	Cd-A_B	23:51	29			LRS2	cal							Yes
lrs20000006_02	Cd-A_B	23:53	29			LRS2	cal							Yes
lrs20000006_03	Cd-A_B	23:54	29			LRS2	cal							Yes
lrs20000007_01	FeAr_R	23:56	15			LRS2	cal							Yes
lrs20000007_02	FeAr_R	23:57	15			LRS2	cal							Yes
lrs20000007_03	FeAr_R	23:58	15			LRS2	cal							Yes
lrs20000008_01	Hg_R	23:59	20			LRS2	cal							Yes