HET Night Report Reader

Civil Date	Ephemerides
2026-02-18	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	00:53	01:39	02:07	12:12	12:40	13:26	-	02:10
Night Length	10:05		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator
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
00:47	13.9	12.6	08:09	wind	07:22
11:08	10.4	10.6	12:46	twilight	01:38
Total Time Open					9:00

Program	Night Priority	Science
02:07	Science
05:13	Idle due to weather (Poor IQ)
05:50	Science
08:07	Idle due to weather (Wind, Poor IQ)
11:57	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
01:36	02:12	0.62	1.20	85	-4292	13.5	13.2	13.1	221	18	First of Night
11:14	11:36	0.49	0.78	75	-2775	9.9	10.3	10.5	269	17	Stack/Re-stack
12:38	12:43	0.62	1.09	-25	-2586	9.1	9.6	10.0	270	17	Post-Observing

Problem Reports					no PRs

TO Comments	Clear but windy 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
virus0000016_02	flat_ldls_long	00:01	15			VIRUS	cal							Yes
virus0000016_03	flat_ldls_long	00:02	15			VIRUS	cal							Yes
virus0000017_01	Cd-A	00:04	15			VIRUS	cal							Yes
virus0000017_02	Cd-A	00:05	15			VIRUS	cal							Yes
0001	UNe Slave Cal	00:06	426			HPF	cal							Yes
virus0000017_03	Cd-A	00:06	15			VIRUS	cal							Yes
virus0000018_01	Hg	00:08	15			VIRUS	cal							Yes
virus0000018_02	Hg	00:09	15			VIRUS	cal							Yes
virus0000018_03	Hg	00:11	15			VIRUS	cal							Yes
lrs20000001_01	dark	00:12	360			LRS2	cal							Yes
virus0000001_01	dark	00:12	360			VIRUS	cal							Yes
lrs20000001_02	dark	00:19	360			LRS2	cal							Yes
virus0000001_02	dark	00:19	360			VIRUS	cal							Yes
lrs20000001_03	dark	00:26	360			LRS2	cal							Yes
virus0000001_03	dark	00:26	360			VIRUS	cal							Yes
lrs20000002_01	skyflat	00:58	7			LRS2	cal							Yes
lrs20000003_01	skyflat	00:59	10			LRS2	cal							Yes
lrs20000004_01	skyflat	01:00	13			LRS2	cal							Yes
lrs20000005_01	skyflat	01:01	16			LRS2	cal							Yes
lrs20000006_01	skyflat	01:02	22			LRS2	cal							Yes
lrs20000007_01	skyflat	01:04	30			LRS2	cal							Yes
virus0000002_01	skyflat	01:06	7			VIRUS	cal							Yes
virus0000003_01	skyflat	01:07	10			VIRUS	cal							Yes
virus0000004_01	skyflat	01:09	14			VIRUS	cal							Yes
virus0000005_01	skyflat	01:10	18			VIRUS	cal							Yes
virus0000006_01	skyflat	01:12	26			VIRUS	cal							Yes
lrs20000008_01	bias	01:20	0			LRS2	cal							Yes
virus0000007_01	bias	01:20	0			VIRUS	cal							Yes
lrs20000008_02	bias	01:20	0			LRS2	cal							Yes
virus0000007_02	bias	01:20	0			VIRUS	cal							Yes
lrs20000008_03	bias	01:21	0			LRS2	cal							Yes
virus0000007_03	bias	01:21	0			VIRUS	cal							Yes
lrs20000008_04	bias	01:22	0			LRS2	cal							Yes
virus0000007_04	bias	01:22	0			VIRUS	cal							Yes
lrs20000008_05	bias	01:23	0			LRS2	cal							Yes
virus0000007_05	bias	01:23	0			VIRUS	cal							Yes
lrs20000008_06	bias	01:24	0			LRS2	cal							Yes
virus0000007_06	bias	01:24	0			VIRUS	cal							Yes
lrs20000008_07	bias	01:25	0			LRS2	cal							Yes
virus0000007_07	bias	01:25	0			VIRUS	cal							Yes
lrs20000008_08	bias	01:25	0			LRS2	cal							Yes
virus0000007_08	bias	01:26	0			VIRUS	cal							Yes
lrs20000008_09	bias	01:26	0			LRS2	cal							Yes
virus0000007_09	bias	01:27	0			VIRUS	cal							Yes
lrs20000008_10	bias	01:27	0			LRS2	cal							Yes
virus0000007_10	bias	01:27	0			VIRUS	cal							Yes
lrs20000008_11	bias	01:28	0			LRS2	cal							Yes
virus0000007_11	bias	01:28	0			VIRUS	cal							Yes
0002	QID 2758	02:18	841.4	5.0	UT26-1-014	HPF	sci	2.24		20.19	0.94	373		Yes
virus0000008_01	parallel	02:18	891			VIRUS	sci							Yes
0003	LFC Cal	02:34	106.5			HPF	cal							Yes
virus0000009_01	parallel	02:39	1060			VIRUS	sci							Yes
0004	QID 333	02:40	308.9	7.9	UT26-1-007	HPF	sci	1.76		20.43	0.91	73		P4
0005	QID 333	02:45	308.9	0.9	UT26-1-007	HPF	sci	1.81		20.43	0.91	73		P4
0006	QID 333	02:51	308.9	-0.1	UT26-1-007	HPF	sci	1.92		20.42	0.90	74		P4
0007	LFC Cal	03:05	106.5			HPF	cal							Yes
virus0000010_01	parallel	03:05	1800			VIRUS	sci							Yes
lrs20000009_01	QID 2791	03:05	1800	9.0	UT26-1-004	LRS2-B	sci	2.29		21.81	1.03			Yes
0008	LFC Cal	03:08	106.5			HPF	cal							Yes
0009	LFC Cal	03:10	106.5			HPF	cal							Yes
0010	LFC Cal	03:39	106.5			HPF	cal							Yes
lrs20000010_01	QID 2792	03:39	1800	4.0	UT26-1-004	LRS2-R	sci	2.32		20.94	1.09			Yes
virus0000011_01	parallel	03:39	1800			VIRUS	sci							Yes
0011	LFC Cal	03:42	106.5			HPF	cal							Yes
0012	LFC Cal	03:44	106.5			HPF	cal							Yes
virus0000012_01	parallel	04:16	1023			VIRUS	sci							Yes
0013	QID 2774	04:17	969.1	7.8	UT26-1-014	HPF	sci	2.20		20.37	0.98	331		Yes
0014	LFC Cal	04:35	106.5			HPF	cal							Yes
lrs20000011_01	FEIGE34_056_E	04:40	60	7.0		LRS2	spec	2.23		22.30	0.56			Yes
lrs20000012_01	FEIGE34_066_E	04:43	60	2.0		LRS2	spec	2.49		21.40	0.63			Yes
virus0000013_01	parallel	04:48	1060			VIRUS	sci							Yes
0015	QID 2531	04:49	308.9	4.9	UT26-1-009	HPF	sci	2.54		20.87	0.95	73		P4
0016	QID 2531	04:55	308.9	0.9	UT26-1-009	HPF	sci	2.66		20.89	0.96	76		P4
0017	QID 2531	05:00	308.9	0.9	UT26-1-009	HPF	sci	2.57		20.93	0.95	85		P4
0018	HR4192_tell_std	05:11	117.2	5.0		HPF	telluric	2.39		20.52	0.97			Yes
0019	LFC Cal	05:18	106.5			HPF	cal							Yes
lrs20000013_01	parallel	05:18	600			LRS2	sci							Yes
virus0000014_01	QID 2578	05:18	600	5.0	UT26-1-018	VIRUS	sci	2.70		21.68	0.60		Image quality worse than requested on all exposures.	No
0020	LFC Cal	05:20	106.5			HPF	cal							Yes
0021	LFC Cal	05:22	106.5			HPF	cal							Yes
lrs20000013_02	parallel	05:29	600			LRS2	sci							Yes
virus0000014_02	QID 2578	05:29	600	1.0	UT26-1-018	VIRUS	sci	2.73		21.65	0.55			No
lrs20000013_03	parallel	05:40	600			LRS2	sci							Yes
virus0000014_03	QID 2578	05:40	600	1.0	UT26-1-018	VIRUS	sci	2.65		21.64	0.52			No
virus0000015_01	parallel	05:55	3600			VIRUS	sci							Yes
0022	LFC Cal	05:56	106.5			HPF	cal							Yes
lrs20000014_01	QID 91	05:56	3600	6.0	PSU26-1-013	LRS2-B	sci	2.43		22.00	0.75			P4
0023	LFC Cal	05:58	106.5			HPF	cal							Yes
0024	LFC Cal	06:00	106.5			HPF	cal							Yes
virus0000016_01	GD153_042_E	07:01	60	5.0		VIRUS	spec	2.28		21.82	0.86			Yes
virus0000016_02	GD153_042_E	07:04	60	2.0		VIRUS	spec	2.77		21.85	0.75			Yes
virus0000016_03	GD153_042_E	07:06	60	1.0		VIRUS	spec	2.43		21.80	0.74			Yes
0025	LFC Cal	07:12	106.5			HPF	cal							Yes
virus0000017_01	parallel	07:12	3800			VIRUS	sci							Yes
lrs20000015_01	QID 12	07:12	3800	-3.3	PSU26-1-009	LRS2-B	sci	2.50		21.74	0.85		Had to readout exposure 8 minutes early due to dome closure for wind. Please check data quality and reject if needed.	P4
0026	LFC Cal	07:14	106.5			HPF	cal							Yes
0027	LFC Cal	07:17	106.5			HPF	cal							Yes
0028	LFC Cal	08:25	106.5			HPF	cal							Yes
0029	LFC Cal	08:27	106.5			HPF	cal							Yes
0030	LFC Cal	08:29	106.5			HPF	cal							Yes
0031	LFC Cal	09:47	106.5			HPF	cal							Yes
0032	LFC Cal	09:49	106.5			HPF	cal							Yes
0033	LFC Cal	09:52	106.5			HPF	cal							Yes
0034	LFC Cal	10:36	106.5			HPF	cal							Yes
0035	LFC Cal	10:38	106.5			HPF	cal							Yes
0036	LFC Cal	10:40	106.5			HPF	cal							Yes
0037	QID 2782	11:40	969.1	3.8	UT26-1-014	HPF	sci	2.70		20.17	0.68	232	Poor image quality.	No
virus0000018_01	parallel	11:40	1023			VIRUS	sci							Yes
0038	LFC Cal	11:58	106.5			HPF	cal							Yes
virus0000019_01	parallel	12:02	300			VIRUS	sci							Yes
0039	LFC Cal	12:03	106.5			HPF	cal							Yes
lrs20000016_01	QID 33	12:03	300	6.0	PSU26-1-003	LRS2-R	sci	3.08		20.68	0.94			P4
0040	LFC Cal	12:05	106.5			HPF	cal							Yes
0041	LFC Cal	12:14	106.5			HPF	cal							Yes
virus0000020_01	parallel	12:14	300			VIRUS	sci							Yes
lrs20000017_01	QID 34	12:14	300	6.0	PSU26-1-003	LRS2-R	sci	3.11		20.77	0.75			P4
0042	LFC Cal	12:16	106.5			HPF	cal							Yes
virus0000021_01	parallel	12:23	400			VIRUS	sci							Yes
0043	LFC Cal	12:24	106.5			HPF	cal							Yes
lrs20000018_01	QID 471	12:24	400	4.3	PSU26-1-014	LRS2-B	sci	2.86		21.08	1.03			P4
0044	LFC Cal	12:26	106.5			HPF	cal							Yes
0045	LFC Cal	12:28	106.5			HPF	cal							Yes
lrs20000019_01	QID 83	12:35	120	5.0	PSU26-1-003	LRS2-B	sci	3.70		20.18	0.97		Poor image quality.	No
lrs20000020_01	bias	12:38	0			LRS2	cal							Yes
virus0000022_01	bias	12:39	0			VIRUS	cal							Yes
virus0000023_01	Cd-A	12:43	15		ENG26-1-002	VIRUS	cal							Yes
virus0000024_01	Hg	12:45	15		ENG26-1-002	VIRUS	cal							Yes
0046	Dark	12:52	319.5			HPF	cal							Yes
0047	Quartz FCU	13:04	74.5			HPF	cal							Yes
0048	Quartz FCU	13:06	74.5			HPF	cal							Yes
0049	Quartz FCU	13:07	74.5			HPF	cal							Yes
0050	Quartz FCU	13:09	74.5			HPF	cal							Yes
0051	Quartz FCU	13:11	74.5			HPF	cal							Yes
0052	Quartz FCU	13:13	74.5			HPF	cal							Yes
0053	Quartz FCU	13:15	74.5			HPF	cal							Yes
0054	Alpha Bright Cal	13:17	85.2			HPF	cal							Yes
0055	Alpha Bright Cal	13:19	85.2			HPF	cal							Yes
0056	Alpha Bright Cal	13:21	85.2			HPF	cal							Yes
0057	Alpha Bright Cal	13:23	85.2			HPF	cal							Yes
0058	LFC FCU	13:25	106.5			HPF	cal							Yes
0059	LFC FCU	13:28	106.5			HPF	cal							Yes
0060	LFC FCU	13:30	106.5			HPF	cal							Yes
0061	LFC FCU	13:32	106.5			HPF	cal							Yes
0062	LFC FCU	13:35	106.5			HPF	cal							Yes
0063	LFC FCU	13:37	106.5			HPF	cal							Yes
0064	LFC Cal	13:40	106.5			HPF	cal							Yes
0065	LFC Cal	13:42	106.5			HPF	cal							Yes
0066	Etalon Cal	13:50	159.8			HPF	cal							Yes
0067	Etalon Cal	13:53	159.8			HPF	cal							Yes
0068	Etalon Cal	13:56	159.8			HPF	cal							Yes
0069	Etalon Cal	13:59	159.8			HPF	cal							Yes
0070	UNe Slave Cal	14:03	426			HPF	cal							Yes
0071	UNe Slave Cal	14:11	426			HPF	cal							Yes
0072	UNe Slave Cal	14:19	426			HPF	cal							Yes
0073	UNe Slave Cal	14:26	426			HPF	cal							Yes
0074	UNe Slave Cal	14:34	426			HPF	cal							Yes
0075	UNe Slave Cal	14:42	426			HPF	cal							Yes
0069	LFC Cal	22:21	106.5			HPF	cal							Yes
lrs20009900_01	bias	22:32	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	22:33	20			VIRUS	cal							Yes
virus0009901_01	bias	22:35	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	22:35	20			LRS2	cal							Yes
virus0009902_01	dark	22:37	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:38	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:39	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:40	15			LRS2	cal							Yes
0070	Dark	22:46	319.5			HPF	cal							Yes
0071	Quartz FCU	22:52	74.5			HPF	cal							Yes
0072	Quartz FCU	22:54	74.5			HPF	cal							Yes
0073	Quartz FCU	22:56	74.5			HPF	cal							Yes
0074	Quartz FCU	22:58	74.5			HPF	cal							Yes
0075	Quartz FCU	23:00	74.5			HPF	cal							Yes
0076	Quartz FCU	23:01	74.5			HPF	cal							Yes
0077	Quartz FCU	23:03	74.5			HPF	cal							Yes
0078	Alpha Bright Cal	23:05	85.2			HPF	cal							Yes
0079	Alpha Bright Cal	23:07	85.2			HPF	cal							Yes
0080	Alpha Bright Cal	23:09	85.2			HPF	cal							Yes
0081	Alpha Bright Cal	23:11	85.2			HPF	cal							Yes
0082	LFC FCU	23:14	106.5			HPF	cal							Yes
0083	LFC FCU	23:16	106.5			HPF	cal							Yes
0084	LFC Cal	23:19	106.5			HPF	cal							Yes
0085	LFC Cal	23:21	106.5			HPF	cal							Yes
0086	Etalon Cal	23:24	159.8			HPF	cal							Yes
0087	UNe Slave Cal	23:27	426			HPF	cal							Yes
lrs20000011_01	flat_Qth_R	23:28	15			LRS2	cal							Yes
lrs20000011_02	flat_Qth_R	23:29	15			LRS2	cal							Yes
lrs20000011_03	flat_Qth_R	23:31	15			LRS2	cal							Yes
lrs20000011_04	flat_Qth_R	23:32	15			LRS2	cal							Yes
lrs20000011_05	flat_Qth_R	23:33	15			LRS2	cal							Yes
lrs20000012_01	flat_ldls_long_B	23:34	20			LRS2	cal							Yes
0088	UNe Slave Cal	23:35	426			HPF	cal							Yes
lrs20000012_02	flat_ldls_long_B	23:36	20			LRS2	cal							Yes
lrs20000012_03	flat_ldls_long_B	23:37	20			LRS2	cal							Yes
lrs20000013_01	Cd-A_B	23:38	29			LRS2	cal							Yes
lrs20000013_02	Cd-A_B	23:40	29			LRS2	cal							Yes
lrs20000013_03	Cd-A_B	23:41	29			LRS2	cal							Yes
0089	UNe Slave Cal	23:43	426			HPF	cal							Yes
lrs20000014_01	FeAr_R	23:43	15			LRS2	cal							Yes
lrs20000014_02	FeAr_R	23:44	15			LRS2	cal							Yes
lrs20000014_03	FeAr_R	23:45	15			LRS2	cal							Yes
lrs20000015_01	Hg_R	23:46	20			LRS2	cal							Yes
lrs20000015_02	Hg_R	23:48	20			LRS2	cal							Yes
lrs20000015_03	Hg_R	23:49	20			LRS2	cal							Yes
lrs20000016_01	Hg_B	23:50	15			LRS2	cal							Yes
0090	UNe Slave Cal	23:51	426			HPF	cal							Yes
lrs20000016_02	Hg_B	23:52	15			LRS2	cal							Yes
lrs20000016_03	Hg_B	23:53	15			LRS2	cal							Yes
0091	UNe Slave Cal	23:59	426			HPF	cal							Yes
virus0000016_01	flat_ldls_long	23:59	15			VIRUS	cal							Yes