HET Night Report Reader

Civil Date	Ephemerides
2026-02-10	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	00:47	01:33	02:01	12:18	12:46	13:33	09:30	-
Night Length	10:17		Sunset Temperature

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

Overlaps		none

Other Personnel	Joshua Scally

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
00:54	8.2	10.6	01:10	clouds	00:16
01:36	8.0	10.3	02:01	dew point	00:25
03:53	8.3	9.4	04:47	dew point	00:54
05:11	7.8	9.0	13:19	twilight	08:08
Total Time Open					9:43

Program	Night Priority	Science
02:01	Idle due to weather (Clouds, dew point)
04:17	Science
04:40	Idle due to weather (Dew point)
05:11	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
01:42	02:00										First of Night
03:53	04:17	0.38	0.63	80	-1896	8.5	9.2	9.2	339	5	First of Night
12:39	12:44	0.53	0.82	0	-1370	8.3	8.8	8.9	304	1	Post-Observing
12:44	13:16				-1344	8.4	8.8	8.9	306	2	End of Night

Problem Reports					no PRs

TO Comments	Dew point, clouds and humidity for first half of night. Clear for rest.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
lrs20000001_01	flat_Qth_R	00:01	15			LRS2	cal							Yes
lrs20000001_02	flat_Qth_R	00:02	15			LRS2	cal							Yes
lrs20000001_03	flat_Qth_R	00:04	15			LRS2	cal							Yes
lrs20000001_04	flat_Qth_R	00:05	15			LRS2	cal							Yes
lrs20000001_05	flat_Qth_R	00:06	15			LRS2	cal							Yes
lrs20000002_01	flat_ldls_long_B	00:07	20			LRS2	cal							Yes
lrs20000002_02	flat_ldls_long_B	00:09	20			LRS2	cal							Yes
lrs20000002_03	flat_ldls_long_B	00:10	20			LRS2	cal							Yes
lrs20000003_01	Cd-A_B	00:11	29			LRS2	cal							Yes
lrs20000003_02	Cd-A_B	00:13	29			LRS2	cal							Yes
lrs20000003_03	Cd-A_B	00:14	29			LRS2	cal							Yes
lrs20000004_01	FeAr_R	00:16	15			LRS2	cal							Yes
lrs20000004_02	FeAr_R	00:17	15			LRS2	cal							Yes
lrs20000004_03	FeAr_R	00:18	15			LRS2	cal							Yes
lrs20000005_01	Hg_R	00:19	20			LRS2	cal							Yes
lrs20000005_02	Hg_R	00:21	20			LRS2	cal							Yes
lrs20000005_03	Hg_R	00:22	20			LRS2	cal							Yes
lrs20000006_01	Hg_B	00:23	15			LRS2	cal							Yes
lrs20000006_02	Hg_B	00:25	15			LRS2	cal							Yes
lrs20000006_03	Hg_B	00:26	15			LRS2	cal							Yes
lrs20000007_01	bias	00:27	0			LRS2	cal							Yes
virus0000001_01	bias	00:27	0			VIRUS	cal							Yes
lrs20000007_02	bias	00:28	0			LRS2	cal							Yes
virus0000001_02	bias	00:28	0			VIRUS	cal							Yes
lrs20000007_03	bias	00:29	0			LRS2	cal							Yes
virus0000001_03	bias	00:29	0			VIRUS	cal							Yes
lrs20000007_04	bias	00:30	0			LRS2	cal							Yes
virus0000001_04	bias	00:30	0			VIRUS	cal							Yes
lrs20000007_05	bias	00:31	0			LRS2	cal							Yes
virus0000001_05	bias	00:31	0			VIRUS	cal							Yes
lrs20000007_06	bias	00:31	0			LRS2	cal							Yes
virus0000001_06	bias	00:32	0			VIRUS	cal							Yes
lrs20000007_07	bias	00:32	0			LRS2	cal							Yes
virus0000001_07	bias	00:33	0			VIRUS	cal							Yes
lrs20000007_08	bias	00:33	0			LRS2	cal							Yes
virus0000001_08	bias	00:33	0			VIRUS	cal							Yes
lrs20000007_09	bias	00:34	0			LRS2	cal							Yes
virus0000001_09	bias	00:34	0			VIRUS	cal							Yes
lrs20000007_10	bias	00:35	0			LRS2	cal							Yes
virus0000001_10	bias	00:35	0			VIRUS	cal							Yes
lrs20000007_11	bias	00:36	0			LRS2	cal							Yes
virus0000001_11	bias	00:36	0			VIRUS	cal							Yes
0001	UNe Slave Cal	00:45	426			HPF	cal							Yes
0002	UNe Slave Cal	00:53	426			HPF	cal							Yes
lrs20000008_01	skyflat	00:55	7			LRS2	cal							Yes
lrs20000009_01	skyflat	00:56	10			LRS2	cal							Yes
lrs20000010_01	skyflat	00:57	13			LRS2	cal							Yes
lrs20000011_01	skyflat	00:58	16			LRS2	cal							Yes
lrs20000012_01	skyflat	00:59	22			LRS2	cal							Yes
0003	UNe Slave Cal	01:01	426			HPF	cal							Yes
lrs20000013_01	skyflat	01:01	30			LRS2	cal							Yes
virus0000002_01	skyflat	01:02	7			VIRUS	cal							Yes
virus0000003_01	skyflat	01:03	10			VIRUS	cal							Yes
virus0000004_01	skyflat	01:04	14			VIRUS	cal							Yes
virus0000005_01	skyflat	01:06	18			VIRUS	cal							Yes
virus0000006_01	skyflat	01:07	26			VIRUS	cal							Yes
0004	UNe Slave Cal	01:09	426			HPF	cal							Yes
0005	UNe Slave Cal	01:16	426			HPF	cal							Yes
virus0000007_01	flat_ldls_long	01:20	15			VIRUS	cal							Yes
virus0000007_02	flat_ldls_long	01:22	15			VIRUS	cal							Yes
virus0000007_03	flat_ldls_long	01:23	15			VIRUS	cal							Yes
0006	UNe Slave Cal	01:24	426			HPF	cal							Yes
virus0000008_01	Cd-A	01:24	15			VIRUS	cal							Yes
virus0000008_02	Cd-A	01:26	15			VIRUS	cal							Yes
virus0000008_03	Cd-A	01:27	15			VIRUS	cal							Yes
virus0000009_01	Hg	01:29	15			VIRUS	cal							Yes
virus0000009_02	Hg	01:30	15			VIRUS	cal							Yes
virus0000009_03	Hg	01:31	15			VIRUS	cal							Yes
lrs20000014_01	dark	01:34	360			LRS2	cal							Yes
virus0000010_01	dark	01:34	360			VIRUS	cal							Yes
lrs20000014_02	dark	01:40	360			LRS2	cal							Yes
virus0000010_02	dark	01:40	360			VIRUS	cal							Yes
lrs20000014_03	dark	01:47	360			LRS2	cal							Yes
virus0000010_03	dark	01:47	360			VIRUS	cal							Yes
0007	LFC Cal	01:55	106.5			HPF	cal							Yes
0008	LFC Cal	01:57	106.5			HPF	cal							Yes
0009	LFC Cal	02:00	106.5			HPF	cal							Yes
0010	LFC Cal	02:56	106.5			HPF	cal							Yes
0011	LFC Cal	02:58	106.5			HPF	cal							Yes
0012	LFC Cal	03:01	106.5			HPF	cal							Yes
0013	QID 2544	04:23	308.9	5.9	UT26-1-007	HPF	sci	1.26		20.42	0.85	134		Yes
virus0000011_01	parallel	04:23	1060			VIRUS	sci							Yes
0014	QID 2544	04:29	308.9	0.9	UT26-1-007	HPF	sci	1.23		20.42	0.86	141		Yes
0015	QID 2544	04:35	308.9	0.9	UT26-1-007	HPF	sci	1.19		20.40	0.87	141		Yes
0016	LFC Cal	05:13	106.5			HPF	cal							Yes
lrs20000015_01	parallel	05:13	400			LRS2	sci							Yes
virus0000012_01	QID 2541	05:13	400	2.3	UT26-1-013	VIRUS	sci	1.30		21.99	0.91			Yes
0017	LFC Cal	05:16	106.5			HPF	cal							Yes
0018	LFC Cal	05:18	106.5			HPF	cal							Yes
lrs20000015_02	parallel	05:21	400			LRS2	sci							Yes
virus0000012_02	QID 2541	05:21	400	1.3	UT26-1-013	VIRUS	sci	1.25		22.02	0.91			Yes
lrs20000015_03	parallel	05:29	400			LRS2	sci							Yes
virus0000012_03	QID 2541	05:29	400	1.3	UT26-1-013	VIRUS	sci	1.27		22.00	0.89			Yes
lrs20000016_01	parallel	05:42	600			LRS2	sci							Yes
virus0000013_01	QID 491	05:42	600	6.0	UT26-1-018	VIRUS	sci	1.28		21.68	0.70			Yes
0019	LFC Cal	05:43	106.5			HPF	cal							Yes
0020	LFC Cal	05:45	106.5			HPF	cal							Yes
0021	LFC Cal	05:47	106.5			HPF	cal							Yes
lrs20000016_02	parallel	05:54	600			LRS2	sci							Yes
virus0000013_02	QID 491	05:54	600	2.0	UT26-1-018	VIRUS	sci	1.28		21.61	0.80			Yes
lrs20000016_03	parallel	06:05	600			LRS2	sci							Yes
virus0000013_03	QID 491	06:05	600	1.0	UT26-1-018	VIRUS	sci	1.28		21.72	0.79			Yes
0022	LFC Cal	06:20	106.5			HPF	cal							Yes
lrs20000017_01	parallel	06:20	360			LRS2	sci							Yes
virus0000014_01	QID 353	06:20	360	5.0	UT26-1-008	VIRUS	sci	1.26		22.08	0.69			Yes
0023	LFC Cal	06:22	106.5			HPF	cal							Yes
lrs20000017_02	parallel	06:27	360			LRS2	sci							Yes
virus0000014_02	QID 353	06:27	360	1.0	UT26-1-008	VIRUS	sci	1.29		22.03	0.71			Yes
lrs20000017_03	parallel	06:34	360			LRS2	sci							Yes
virus0000014_03	QID 353	06:34	360	1.0	UT26-1-008	VIRUS	sci	1.18		22.04	0.73			Yes
0024	LFC Cal	06:44	106.5			HPF	cal							Yes
lrs20000018_01	parallel	06:44	360			LRS2	sci							Yes
virus0000015_01	QID 1986	06:44	360	4.0	UT26-1-008	VIRUS	sci	1.25		21.73	0.87			Yes
0025	LFC Cal	06:47	106.5			HPF	cal							Yes
lrs20000018_02	parallel	06:51	360			LRS2	sci							Yes
virus0000015_02	QID 1986	06:51	360	1.0	UT26-1-008	VIRUS	sci	1.31		21.75	0.87			Yes
lrs20000018_03	parallel	06:58	360			LRS2	sci							Yes
virus0000015_03	QID 1986	06:58	360	1.0	UT26-1-008	VIRUS	sci	1.40		21.78	0.86			Yes
virus0000016_01	HZ21_034_E	07:09	60	5.0		VIRUS	spec	1.25		21.88	0.91			Yes
virus0000016_02	HZ21_034_E	07:11	60	1.0		VIRUS	spec	1.26		21.85	0.92			Yes
virus0000016_03	HZ21_034_E	07:13	60	1.0		VIRUS	spec	1.24		21.85	0.94			Yes
0026	LFC Cal	07:19	106.5			HPF	cal							Yes
lrs20000019_01	parallel	07:19	360			LRS2	sci							Yes
virus0000017_01	QID 362	07:19	360	5.0	UT26-1-008	VIRUS	sci	1.24		21.82	0.93			Yes
0027	LFC Cal	07:21	106.5			HPF	cal							Yes
lrs20000019_02	parallel	07:26	360			LRS2	sci							Yes
virus0000017_02	QID 362	07:26	360	1.0	UT26-1-008	VIRUS	sci	1.22		21.82	0.91			Yes
lrs20000019_03	parallel	07:33	360			LRS2	sci							Yes
virus0000017_03	QID 362	07:33	360	1.0	UT26-1-008	VIRUS	sci	1.24		21.79	0.93			Yes
0028	QID 2549	07:45	191.7	5.8	UT26-1-007	HPF	sci	1.20		20.49	0.90	520		Yes
virus0000018_01	parallel	07:45	664			VIRUS	sci							Yes
0029	QID 2549	07:49	191.7	0.8	UT26-1-007	HPF	sci	1.19		20.49	0.90	535		Yes
0030	QID 2549	07:53	191.7	0.8	UT26-1-007	HPF	sci	1.16		20.46	0.90	566		Yes
0031	QID 1785	08:03	969.1	6.8	UT26-1-014	HPF	sci	1.29		20.79	0.82	494		P4
virus0000019_01	parallel	08:03	1023			VIRUS	sci							Yes
0032	LFC Cal	08:21	106.5			HPF	cal							Yes
lrs20000020_01	BD+541216_056_W	08:26	60	7.0		LRS2	spec	1.22		21.99	0.88			Yes
lrs20000021_01	BD+541216_066_W	08:31	30	4.5		LRS2	spec	1.21		20.94	0.98			Yes
0033	LFC Cal	08:36	106.5			HPF	cal							Yes
lrs20000022_01	parallel	08:36	600			LRS2	sci							Yes
virus0000020_01	QID 510	08:36	600	4.0	UT26-1-018	VIRUS	sci	1.17		21.93	0.94			Yes
0034	LFC Cal	08:39	106.5			HPF	cal							Yes
0035	LFC Cal	08:41	106.5			HPF	cal							Yes
lrs20000022_02	parallel	08:47	600			LRS2	sci							Yes
virus0000020_02	QID 510	08:47	600	1.0	UT26-1-018	VIRUS	sci	1.26		21.95	0.96			Yes
lrs20000022_03	parallel	08:59	600			LRS2	sci							Yes
virus0000020_03	QID 510	08:59	600	2.0	UT26-1-018	VIRUS	sci	1.27		21.90	0.94			Yes
0036	HR3711_tell_std	09:15	330.2	6.5		HPF	telluric	1.20		20.35	0.96			Yes
0037	QID 1821	09:27	969.1	6.8	UT26-1-014	HPF	sci	1.26		20.14	0.98	328		P4
virus0000021_01	parallel	09:27	1023			VIRUS	sci							Yes
0038	LFC Cal	09:45	106.5			HPF	cal							Yes
0039	LFC Cal	09:51	106.5			HPF	cal							Yes
virus0000022_01	parallel	09:51	1500			VIRUS	sci							Yes
lrs20000023_01	QID 2550	09:51	1500	7.0	UT26-1-002	LRS2-B	sci	1.42		21.36	0.86			Yes
0040	LFC Cal	09:53	106.5			HPF	cal							Yes
0041	LFC Cal	09:56	106.5			HPF	cal							Yes
0042	QID 1972	10:22	969.1	5.8	UT26-1-003	HPF	sci	1.45		20.02	0.89	36		Yes
virus0000023_01	parallel	10:22	2047			VIRUS	sci							Yes
0043	QID 1972	10:39	969.1	0.8	UT26-1-003	HPF	sci	1.30		20.15	0.86	42		Yes
0044	QID 2551	11:02	969.1	7.8	PSU26-1-019	HPF	sci	1.33		20.04	1.03	276		Yes
virus0000024_01	parallel	11:02	2047			VIRUS	sci							Yes
0045	QID 2551	11:19	969.1	0.8	PSU26-1-019	HPF	sci	1.43		20.03	1.03	263		Yes
0046	LFC Cal	11:37	106.5			HPF	cal							Yes
0047	QID 1813	11:42	969.1	5.8	UT26-1-014	HPF	sci	1.34		20.27	0.88	456		P4
virus0000025_01	parallel	11:42	1023			VIRUS	sci							Yes
0048	LFC Cal	12:00	106.5			HPF	cal							Yes
0049	QID 1750	12:06	42.6	8.3	UT26-1-014	HPF	sci	1.12		19.98	0.94	666	Deployed FCU head during exposure to prevent saturation. Please inspect data and reject if needed.	P4
0050	LFC Cal	12:08	106.5			HPF	cal							Yes
0051	QID 1751	12:14	42.6	7.3	UT26-1-014	HPF	sci	1.68		20.03	0.88	559	Tracker defocused slightly to prevent saturation.	P4
0052	LFC Cal	12:16	106.5			HPF	cal							Yes
0053	QID 1863	12:21	969.1	5.8	PSU26-1-007	HPF	sci	1.33		19.75	0.81	49		Yes
virus0000026_01	parallel	12:21	1023			VIRUS	sci							Yes
0054	LFC Cal	12:39	106.5			HPF	cal							Yes
lrs20000024_01	bias	12:40	0			LRS2	cal							Yes
virus0000027_01	bias	12:40	0			VIRUS	cal							Yes
virus0000028_01	Cd-A	12:45	15		ENG26-1-002	VIRUS	cal							Yes
virus0000029_01	Hg	12:46	15		ENG26-1-002	VIRUS	cal							Yes
0055	Dark	13:24	319.5			HPF	cal							Yes
0056	Quartz FCU	13:35	74.5			HPF	cal							Yes
0057	Quartz FCU	13:37	74.5			HPF	cal							Yes
0058	Quartz FCU	13:39	74.5			HPF	cal							Yes
0059	Quartz FCU	13:40	74.5			HPF	cal							Yes
0060	Quartz FCU	13:42	74.5			HPF	cal							Yes
0061	Quartz FCU	13:44	74.5			HPF	cal							Yes
0062	Quartz FCU	13:46	74.5			HPF	cal							Yes
0063	Alpha Bright Cal	13:48	85.2			HPF	cal							Yes
0064	Alpha Bright Cal	13:50	85.2			HPF	cal							Yes
0065	Alpha Bright Cal	13:52	85.2			HPF	cal							Yes
0066	Alpha Bright Cal	13:54	85.2			HPF	cal							Yes
0067	LFC FCU	13:57	106.5			HPF	cal							Yes
0068	LFC FCU	13:59	106.5			HPF	cal							Yes
0069	LFC FCU	14:01	106.5			HPF	cal							Yes
0070	LFC FCU	14:04	106.5			HPF	cal							Yes
0071	LFC FCU	14:06	106.5			HPF	cal							Yes
0072	LFC FCU	14:08	106.5			HPF	cal							Yes
0073	LFC Cal	14:11	106.5			HPF	cal							Yes
0074	LFC Cal	14:14	106.5			HPF	cal							Yes
0075	Etalon Cal	14:21	159.8			HPF	cal							Yes
0076	Etalon Cal	14:24	159.8			HPF	cal							Yes
0077	Etalon Cal	14:28	159.8			HPF	cal							Yes
0078	Etalon Cal	14:31	159.8			HPF	cal							Yes
0079	UNe Slave Cal	14:34	426			HPF	cal							Yes
0080	UNe Slave Cal	14:42	426			HPF	cal							Yes
0081	UNe Slave Cal	14:50	426			HPF	cal							Yes
0082	UNe Slave Cal	14:58	426			HPF	cal							Yes
0063	LFC Cal	22:12	106.5			HPF	cal							Yes
lrs20009900_01	bias	22:24	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	22:25	20			VIRUS	cal							Yes
virus0009901_01	bias	22:26	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	22:27	20			LRS2	cal							Yes
virus0009902_01	dark	22:28	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:29	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:31	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:32	15			LRS2	cal							Yes
0064	Dark	23:19	319.5			HPF	cal							Yes
0065	Quartz FCU	23:26	74.5			HPF	cal							Yes
0066	Quartz FCU	23:28	74.5			HPF	cal							Yes
0067	Quartz FCU	23:30	74.5			HPF	cal							Yes
0068	Quartz FCU	23:31	74.5			HPF	cal							Yes
0069	Quartz FCU	23:33	74.5			HPF	cal							Yes
0070	Quartz FCU	23:35	74.5			HPF	cal							Yes
0071	Quartz FCU	23:37	74.5			HPF	cal							Yes
0072	Alpha Bright Cal	23:39	85.2			HPF	cal							Yes
0073	Alpha Bright Cal	23:41	85.2			HPF	cal							Yes
0074	Alpha Bright Cal	23:43	85.2			HPF	cal							Yes
0075	Alpha Bright Cal	23:45	85.2			HPF	cal							Yes
0076	LFC FCU	23:48	106.5			HPF	cal							Yes
0077	LFC FCU	23:50	106.5			HPF	cal							Yes
0078	LFC Cal	23:53	106.5			HPF	cal							Yes
0079	LFC Cal	23:55	106.5			HPF	cal							Yes
0080	Etalon Cal	23:58	159.8			HPF	cal							Yes