HET Night Report Reader

Civil Date	Ephemerides
2026-01-16	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	00:25	01:13	01:42	12:29	12:58	13:46	13:22	-
Night Length	10:47		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator
Zach Vanderbosch	Justen Pautzke

Overlaps		none

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
00:18	1.2	6.9	10:55	dust	10:37
11:22	2.1	2.0	13:05	twilight	01:43
Total Time Open					12:20

Program	Night Priority	Science
01:42	Science
01:46	Idle due to weather (Poor IQ)
02:39	Science
03:18	Idle due to weather (Poor IQ)
03:46	Science
08:40	Idle due to weather (Poor IQ)
09:36	Science
10:37	Idle due to weather (High particle count)
11:22	Science
11:49	Idle due to weather (Poor IQ)
12:14	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
01:10	01:46				-1837	1.3	2.6	3.3	160	7	First of Night
12:56	13:03	0.85	1.34	-185	-1837	3.2	3.8	3.6	230	9	Post-Observing

Problem Reports					no PRs

TO Comments	Calm and clear with no major problems.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
lrs20000031_02	dark	00:00	360			LRS2	cal							Yes
virus0000037_02	dark	00:00	360			VIRUS	cal							Yes
lrs20000031_03	dark	00:06	360			LRS2	cal							Yes
virus0000037_03	dark	00:07	360			VIRUS	cal							Yes
0001	twilight	00:22	298.2			HPF	cal					467		Yes
lrs20000001_01	skyflat	00:30	7			LRS2	cal							Yes
lrs20000002_01	skyflat	00:31	10			LRS2	cal							Yes
lrs20000003_01	skyflat	00:32	13			LRS2	cal							Yes
lrs20000004_01	skyflat	00:34	16			LRS2	cal							Yes
lrs20000005_01	skyflat	00:35	22			LRS2	cal							Yes
lrs20000006_01	skyflat	00:36	30			LRS2	cal							Yes
virus0000001_01	skyflat	00:39	7			VIRUS	cal							Yes
virus0000002_01	skyflat	00:40	10			VIRUS	cal							Yes
virus0000003_01	skyflat	00:42	14			VIRUS	cal							Yes
virus0000004_01	skyflat	00:43	18			VIRUS	cal							Yes
virus0000005_01	skyflat	00:45	26			VIRUS	cal							Yes
virus0000006_01	flat_ldls_long	01:00	15			VIRUS	cal							Yes
virus0000006_02	flat_ldls_long	01:02	15			VIRUS	cal							Yes
virus0000006_03	flat_ldls_long	01:03	15			VIRUS	cal							Yes
virus0000007_01	Cd-A	01:05	15			VIRUS	cal							Yes
virus0000007_02	Cd-A	01:06	15			VIRUS	cal							Yes
virus0000007_03	Cd-A	01:07	15			VIRUS	cal							Yes
virus0000008_01	Hg	01:09	15			VIRUS	cal							Yes
virus0000008_02	Hg	01:10	15			VIRUS	cal							Yes
virus0000008_03	Hg	01:12	15			VIRUS	cal							Yes
virus0000009_01	parallel	01:59	300			VIRUS	sci							Yes
0002	LFC Cal	02:00	106.5			HPF	cal							Yes
lrs20000007_01	QID 1942	02:00	300	8.0	UT26-1-008	LRS2-B	sci	3.68		21.18	0.82		Poor image quality.	No
0003	LFC Cal	02:02	106.5			HPF	cal							Yes
0004	LFC Cal	02:13	106.5			HPF	cal							Yes
lrs20000008_01	QID 453	02:13	240	8.0	PSU26-1-014	LRS2-B	sci	3.51		21.36	0.86		Poor image quality.	No
virus0000010_01	parallel	02:22	1023			VIRUS	sci							Yes
0005	QID 1853	02:23	969.1	5.8	PSU26-1-007	HPF	sci	2.82	3.35	20.06	0.94	23	Poor image quality.	No
0006	LFC Cal	02:41	106.5			HPF	cal							Yes
virus0000011_01	parallel	02:46	1959			VIRUS	sci							Yes
0007	QID 427	02:47	915.9	7.7	G26-1-002	HPF	sci	2.55	2.71	20.03	0.89	67		Yes
0008	QID 427	03:03	915.9	0.7	G26-1-002	HPF	sci	2.21	2.03	20.14	0.89	92		Yes
0009	LFC Cal	03:20	106.5			HPF	cal							Yes
0010	LFC Cal	03:25	106.5			HPF	cal							Yes
lrs20000009_01	parallel	03:25	360			LRS2	sci							Yes
virus0000012_01	QID 1562	03:25	360	7.0	UT26-1-008	VIRUS	sci	2.91	2.52	21.63	0.86		Poor image quality.	No
0011	LFC Cal	03:28	106.5			HPF	cal							Yes
lrs20000009_02	parallel	03:32	360			LRS2	sci							Yes
virus0000012_02	QID 1562	03:32	360	1.0	UT26-1-008	VIRUS	sci	2.61	2.22	21.57	0.87			No
lrs20000009_03	parallel	03:40	360			LRS2	sci							Yes
virus0000012_03	QID 1562	03:40	360	2.0	UT26-1-008	VIRUS	sci	2.49	2.15	21.48	0.97			No
0012	LFC Cal	03:52	106.5			HPF	cal							Yes
virus0000013_01	parallel	03:52	300			VIRUS	sci							Yes
lrs20000010_01	QID 23	03:52	300	6.0	PSU26-1-003	LRS2-R	sci	2.16	1.76	20.66	1.02			P4
0013	LFC Cal	03:54	106.5			HPF	cal							Yes
0014	QID 1307	04:03	969.1	5.8	PSU26-1-023	HPF	sci	1.85	1.64	20.12	0.83	112		Yes
virus0000014_01	parallel	04:03	2047			VIRUS	sci							Yes
0015	QID 1307	04:20	969.1	1.8	PSU26-1-023	HPF	sci	1.69	1.33	20.07	0.83	121		Yes
0016	LFC Cal	04:38	106.5			HPF	cal							Yes
lrs20000011_01	parallel	04:43	360			LRS2	sci							Yes
virus0000015_01	QID 1562	04:43	360	6.0	UT26-1-008	VIRUS	sci	2.11	1.84	21.59	0.87			Yes
0017	LFC Cal	04:44	106.5			HPF	cal							Yes
0018	LFC Cal	04:46	106.5			HPF	cal							Yes
lrs20000011_02	parallel	04:51	360			LRS2	sci							Yes
virus0000015_02	QID 1562	04:51	360	2.0	UT26-1-008	VIRUS	sci	2.18	1.71	21.49	0.86			Yes
lrs20000011_03	parallel	04:58	360			LRS2	sci							Yes
virus0000015_03	QID 1562	04:58	360	1.0	UT26-1-008	VIRUS	sci	2.29	2.17	21.44	0.88			Yes
0019	LFC Cal	05:05	106.5			HPF	cal							Yes
virus0000016_01	parallel	05:10	1984			VIRUS	sci							Yes
0020	QID 1934	05:11	617.7	6.7	UT26-1-007	HPF	sci	1.77	1.31	20.04	0.97	18		Yes
0021	QID 1934	05:22	617.7	0.7	UT26-1-007	HPF	sci	1.75	1.19	20.10	0.99	22		Yes
0022	QID 1934	05:33	617.7	1.7	UT26-1-007	HPF	sci	1.82	1.29	20.12	1.00	20		Yes
0023	LFC Cal	05:45	106.5			HPF	cal							Yes
lrs20000012_01	BD+210607_056_W	05:51	30	6.5		LRS2	spec	1.72	1.31	21.30	0.96			Yes
lrs20000013_01	BD+210607_066_W	05:54	15	3.8		LRS2	spec	1.56	1.20	20.48	1.04			Yes
0024	HR1770_tell_std	06:07	117.2	12.0		HPF	telluric	1.56	1.27	19.96	0.98			Yes
virus0000017_01	G191B2B_034_W	06:18	60	9.0		VIRUS	spec	1.60	1.19	21.31	0.96			Yes
virus0000017_02	G191B2B_034_W	06:20	60	1.0		VIRUS	spec	1.85	1.48	21.30	0.96			Yes
virus0000017_03	G191B2B_034_W	06:22	60	1.0		VIRUS	spec	1.64	1.19	21.30	0.94			Yes
0025	LFC Cal	06:28	106.5			HPF	cal							Yes
lrs20000014_01	parallel	06:28	360			LRS2	sci							Yes
virus0000018_01	QID 357	06:28	360	5.0	UT26-1-008	VIRUS	sci	1.78	1.29	21.43	1.14			Yes
0026	LFC Cal	06:30	106.5			HPF	cal							Yes
lrs20000014_02	parallel	06:35	360			LRS2	sci							Yes
virus0000018_02	QID 357	06:35	360	1.0	UT26-1-008	VIRUS	sci	1.66	1.12	21.48	1.13			Yes
lrs20000014_03	parallel	06:42	360			LRS2	sci							Yes
virus0000018_03	QID 357	06:42	360	1.0	UT26-1-008	VIRUS	sci	1.55	1.12	21.50	1.13			Yes
lrs20000015_01	parallel	06:54	360			LRS2	sci							Yes
virus0000019_01	QID 378	06:54	360	6.0	UT26-1-008	VIRUS	sci	1.62	1.11	21.81	0.77			Yes
0027	LFC Cal	06:55	106.5			HPF	cal							Yes
0028	LFC Cal	06:57	106.5			HPF	cal							Yes
lrs20000015_02	parallel	07:02	360			LRS2	sci							Yes
virus0000019_02	QID 378	07:02	360	2.0	UT26-1-008	VIRUS	sci	1.65	1.25	21.79	0.81			Yes
lrs20000015_03	parallel	07:09	360			LRS2	sci							Yes
virus0000019_03	QID 378	07:09	360	1.0	UT26-1-008	VIRUS	sci	1.70	1.19	21.76	0.85			Yes
virus0000020_01	parallel	07:20	300			VIRUS	sci							Yes
lrs20000016_01	QID 27	07:20	300	5.0	PSU26-1-003	LRS2-R	sci	1.68	1.15	20.89	0.86			P4
0029	LFC Cal	07:21	106.5			HPF	cal							Yes
0030	LFC Cal	07:23	106.5			HPF	cal							Yes
0031	LFC Cal	07:30	106.5			HPF	cal							Yes
lrs20000017_01	parallel	07:30	600			LRS2	sci							Yes
virus0000021_01	QID 474	07:30	600	5.0	UT26-1-018	VIRUS	sci	1.93	0.95	21.79	0.90			Yes
0032	LFC Cal	07:33	106.5			HPF	cal							Yes
0033	LFC Cal	07:35	106.5			HPF	cal							Yes
lrs20000017_02	parallel	07:41	600			LRS2	sci							Yes
virus0000021_02	QID 474	07:41	600	1.0	UT26-1-018	VIRUS	sci	1.52	1.08	21.79	0.93			Yes
lrs20000017_03	parallel	07:53	600			LRS2	sci							Yes
virus0000021_03	QID 474	07:53	600	2.0	UT26-1-018	VIRUS	sci	1.42	0.88	21.83	0.88			Yes
0034	LFC Cal	08:09	106.5			HPF	cal							Yes
virus0000022_01	parallel	08:09	900			VIRUS	sci							Yes
lrs20000018_01	QID 1453	08:09	900	6.0	PSU26-1-012	LRS2-B	sci	1.42	0.85	21.38	1.09			Yes
0035	LFC Cal	08:11	106.5			HPF	cal							Yes
0036	LFC Cal	08:14	106.5			HPF	cal							Yes
virus0000022_02	parallel	08:25	900			VIRUS	sci							Yes
lrs20000018_02	QID 1453	08:25	900	1.0	PSU26-1-012	LRS2-B	sci	1.87	2.00	21.49	0.99			Yes
0037	LFC Cal	08:50	106.5			HPF	cal							Yes
virus0000023_01	parallel	08:50	1200			VIRUS	sci							Yes
lrs20000019_01	QID 1940	08:50	1200	10.0	UT26-1-002	LRS2-B	sci	2.81	2.33	21.78	0.87		Poor image quality, seeing degraded during second exposure.	No
0038	LFC Cal	08:52	106.5			HPF	cal							Yes
0039	LFC Cal	08:55	106.5			HPF	cal							Yes
0040	LFC Cal	09:16	106.5			HPF	cal							Yes
virus0000024_01	parallel	09:16	1200			VIRUS	sci							Yes
lrs20000020_01	QID 1941	09:16	1200	6.0	UT26-1-002	LRS2-R	sci	3.58	3.50	20.84	0.83			No
0041	LFC Cal	09:18	106.5			HPF	cal							Yes
0042	LFC Cal	09:21	106.5			HPF	cal							Yes
virus0000025_01	parallel	09:44	2400			VIRUS	sci							Yes
0043	LFC Cal	09:45	106.5			HPF	cal							Yes
lrs20000021_01	QID 1733	09:45	2400	9.0	PSU26-1-018	LRS2-B	sci	3.37	4.00	21.58	0.86		Image quality slightly worse than 3.2 arcsec. Please check data quality and reject if needed.	Yes
0044	LFC Cal	09:47	106.5			HPF	cal							Yes
0045	LFC Cal	09:49	106.5			HPF	cal							Yes
0046	LFC Cal	10:32	106.5			HPF	cal							Yes
virus0000026_01	parallel	10:32	300			VIRUS	sci							Yes
lrs20000022_01	QID 55	10:32	300	7.0	PSU26-1-003	LRS2-R	sci	3.13	3.79	20.98	0.80			P4
0047	LFC Cal	10:34	106.5			HPF	cal							Yes
0048	LFC Cal	10:44	106.5			HPF	cal							Yes
virus0000027_01	parallel	10:44	3300			VIRUS	sci							Yes
lrs20000023_01	QID 1589	10:44	3300	-37.0	M26-1-011	LRS2-R	sci	2.87	5.34	21.04	0.87		Exposure cut short due to high particle count.	No
0049	LFC Cal	10:46	106.5			HPF	cal							Yes
0050	LFC Cal	10:49	106.5			HPF	cal							Yes
virus0000028_01	parallel	11:24	300			VIRUS	sci							Yes
0051	LFC Cal	11:25	106.5			HPF	cal							Yes
lrs20000024_01	QID 61	11:25	300	3.0	PSU26-1-003	LRS2-R	sci	2.55	2.19	21.08	0.92			P4
0052	LFC Cal	11:27	106.5			HPF	cal							Yes
0053	LFC Cal	11:36	106.5			HPF	cal							Yes
virus0000029_01	parallel	11:36	300			VIRUS	sci							Yes
lrs20000025_01	QID 59	11:36	300	6.0	PSU26-1-003	LRS2-R	sci	2.83	1.43	21.05	0.98			P4
0054	LFC Cal	11:38	106.5			HPF	cal							Yes
lrs20000026_01	QID 79	11:46	180	5.0	PSU26-1-003	LRS2-B	sci	2.16	1.53	21.54	0.90			P4
0055	LFC Cal	11:47	106.5			HPF	cal							Yes
0056	QID 20	11:58	969.1	8.8	UT26-1-003	HPF	sci	2.36	1.53	20.43	0.94	34	Poor image quality, aborted after first exposure.	No
virus0000030_01	parallel	11:58	2047			VIRUS	sci							Yes
0057	QID 1479	12:20	969.1	5.8	UT26-1-010	HPF	sci	2.20	1.69	20.50	0.69	53		P4
virus0000031_01	parallel	12:20	2047			VIRUS	sci							Yes
0058	QID 1479	12:37	969.1	0.8	UT26-1-010	HPF	sci	2.12	1.66	20.07	0.74	50		P4
0059	LFC Cal	12:55	106.5			HPF	cal							Yes
lrs20000027_01	bias	12:56	0			LRS2	cal							Yes
virus0000032_01	bias	12:57	0			VIRUS	cal							Yes
virus0000033_01	Cd-A	13:01	15		ENG26-1-002	VIRUS	cal							Yes
virus0000034_01	Hg	13:02	15		ENG26-1-002	VIRUS	cal							Yes
0060	Dark	13:17	319.5			HPF	cal							Yes
0061	Quartz FCU	13:29	74.5			HPF	cal							Yes
0062	Quartz FCU	13:30	74.5			HPF	cal							Yes
0063	Quartz FCU	13:32	74.5			HPF	cal							Yes
0064	Quartz FCU	13:34	74.5			HPF	cal							Yes
0065	Quartz FCU	13:36	74.5			HPF	cal							Yes
0066	Quartz FCU	13:38	74.5			HPF	cal							Yes
0067	Quartz FCU	13:39	74.5			HPF	cal							Yes
0068	Alpha Bright Cal	13:42	85.2			HPF	cal							Yes
0069	Alpha Bright Cal	13:44	85.2			HPF	cal							Yes
0070	Alpha Bright Cal	13:46	85.2			HPF	cal							Yes
0071	Alpha Bright Cal	13:47	85.2			HPF	cal							Yes
0072	LFC FCU	13:50	106.5			HPF	cal							Yes
0073	LFC FCU	13:52	106.5			HPF	cal							Yes
0074	LFC FCU	13:55	106.5			HPF	cal							Yes
0075	LFC FCU	13:57	106.5			HPF	cal							Yes
0076	LFC FCU	13:59	106.5			HPF	cal							Yes
0077	LFC FCU	14:02	106.5			HPF	cal							Yes
0078	LFC Cal	14:05	106.5			HPF	cal							Yes
0079	LFC Cal	14:07	106.5			HPF	cal							Yes
0080	Etalon Cal	14:15	159.8			HPF	cal							Yes
0081	Etalon Cal	14:18	159.8			HPF	cal							Yes
0082	Etalon Cal	14:21	159.8			HPF	cal							Yes
0083	Etalon Cal	14:24	159.8			HPF	cal							Yes
0084	UNe Slave Cal	14:28	426			HPF	cal							Yes
0085	UNe Slave Cal	14:36	426			HPF	cal							Yes
0086	UNe Slave Cal	14:43	426			HPF	cal							Yes
0087	UNe Slave Cal	14:51	426			HPF	cal							Yes
0113	LFC Cal	22:11	106.5			HPF	cal							Yes
lrs20009900_01	bias	22:22	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	22:23	20			VIRUS	cal							Yes
virus0009901_01	bias	22:25	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	22:25	20			LRS2	cal							Yes
virus0009902_01	dark	22:27	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:27	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:29	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:30	15			LRS2	cal							Yes
0114	Dark	22:34	319.5			HPF	cal							Yes
0115	Quartz FCU	22:41	74.5			HPF	cal							Yes
0116	Quartz FCU	22:42	74.5			HPF	cal							Yes
0117	Quartz FCU	22:44	74.5			HPF	cal							Yes
0118	Quartz FCU	22:46	74.5			HPF	cal							Yes
0119	Quartz FCU	22:48	74.5			HPF	cal							Yes
0120	Quartz FCU	22:50	74.5			HPF	cal							Yes
0121	Quartz FCU	22:51	74.5			HPF	cal							Yes
0122	Alpha Bright Cal	22:54	85.2			HPF	cal							Yes
0123	Alpha Bright Cal	22:56	85.2			HPF	cal							Yes
0124	Alpha Bright Cal	22:58	85.2			HPF	cal							Yes
0125	Alpha Bright Cal	22:59	85.2			HPF	cal							Yes
0126	LFC FCU	23:02	106.5			HPF	cal							Yes
0127	LFC FCU	23:04	106.5			HPF	cal							Yes
0128	LFC Cal	23:07	106.5			HPF	cal							Yes
0129	LFC Cal	23:10	106.5			HPF	cal							Yes
0130	Etalon Cal	23:12	159.8			HPF	cal							Yes
0131	UNe Slave Cal	23:16	426			HPF	cal							Yes
lrs20000024_01	flat_Qth_R	23:17	15			LRS2	cal							Yes
lrs20000024_02	flat_Qth_R	23:18	15			LRS2	cal							Yes
lrs20000024_03	flat_Qth_R	23:20	15			LRS2	cal							Yes
lrs20000024_04	flat_Qth_R	23:21	15			LRS2	cal							Yes
lrs20000024_05	flat_Qth_R	23:22	15			LRS2	cal							Yes
lrs20000025_01	flat_ldls_long_B	23:23	20			LRS2	cal							Yes
0132	UNe Slave Cal	23:24	426			HPF	cal							Yes
lrs20000025_02	flat_ldls_long_B	23:25	20			LRS2	cal							Yes
lrs20000025_03	flat_ldls_long_B	23:26	20			LRS2	cal							Yes
lrs20000026_01	Cd-A_B	23:27	29			LRS2	cal							Yes
lrs20000026_02	Cd-A_B	23:29	29			LRS2	cal							Yes
lrs20000026_03	Cd-A_B	23:30	29			LRS2	cal							Yes
0133	UNe Slave Cal	23:32	426			HPF	cal							Yes
lrs20000027_01	FeAr_R	23:32	15			LRS2	cal							Yes
lrs20000027_02	FeAr_R	23:33	15			LRS2	cal							Yes
lrs20000027_03	FeAr_R	23:34	15			LRS2	cal							Yes
lrs20000028_01	Hg_R	23:35	20			LRS2	cal							Yes
lrs20000028_02	Hg_R	23:37	20			LRS2	cal							Yes
lrs20000028_03	Hg_R	23:38	20			LRS2	cal							Yes
0134	UNe Slave Cal	23:39	426			HPF	cal							Yes
lrs20000029_01	Hg_B	23:39	15			LRS2	cal							Yes
lrs20000029_02	Hg_B	23:41	15			LRS2	cal							Yes
lrs20000029_03	Hg_B	23:42	15			LRS2	cal							Yes
lrs20000030_01	bias	23:43	0			LRS2	cal							Yes
virus0000036_01	bias	23:43	0			VIRUS	cal							Yes
lrs20000030_02	bias	23:44	0			LRS2	cal							Yes
virus0000036_02	bias	23:44	0			VIRUS	cal							Yes
lrs20000030_03	bias	23:45	0			LRS2	cal							Yes
virus0000036_03	bias	23:45	0			VIRUS	cal							Yes
lrs20000030_04	bias	23:46	0			LRS2	cal							Yes
virus0000036_04	bias	23:46	0			VIRUS	cal							Yes
lrs20000030_05	bias	23:47	0			LRS2	cal							Yes
0135	UNe Slave Cal	23:47	426			HPF	cal							Yes
virus0000036_05	bias	23:47	0			VIRUS	cal							Yes
lrs20000030_06	bias	23:47	0			LRS2	cal							Yes
virus0000036_06	bias	23:48	0			VIRUS	cal							Yes
lrs20000030_07	bias	23:48	0			LRS2	cal							Yes
virus0000036_07	bias	23:49	0			VIRUS	cal							Yes
lrs20000030_08	bias	23:49	0			LRS2	cal							Yes
virus0000036_08	bias	23:49	0			VIRUS	cal							Yes
lrs20000030_09	bias	23:50	0			LRS2	cal							Yes
virus0000036_09	bias	23:50	0			VIRUS	cal							Yes
lrs20000030_10	bias	23:51	0			LRS2	cal							Yes
virus0000036_10	bias	23:51	0			VIRUS	cal							Yes
lrs20000030_11	bias	23:52	0			LRS2	cal							Yes
virus0000036_11	bias	23:52	0			VIRUS	cal							Yes
lrs20000031_01	dark	23:53	360			LRS2	cal							Yes
virus0000037_01	dark	23:53	360			VIRUS	cal							Yes
0136	UNe Slave Cal	23:55	426			HPF	cal							Yes