HET Night Report Reader

Civil Date	Ephemerides
2026-01-19	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	00:28	01:16	01:44	12:28	12:57	13:46	-	01:16
Night Length	10:44		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator
Zach Vanderbosch	Amy Westfall

Overlaps
TO Overlap	RA Overlap
-	Sergey Rostopchin

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
00:29	1.2	6.6	12:53	twilight	12:24
Total Time Open					12:24

Program	Night Priority	Science
01:44	Science
01:57	Idle due to weather (Poor IQ)
03:40	Science
03:53	Idle due to weather (Poor IQ)
04:36	Science
05:18	Idle due to weather (Poor IQ)
06:00	Science
07:05	Idle due to weather (Clouds)
09:14	Science
10:36	Idle due to weather (Poor IQ)
10:43	Science
11:48	Idle due to weather (Poor IQ)

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
01:08	01:56	0.85	1.28	-110	-2321	-0.6	0.6	0.8	42	15	First of Night
04:36	05:18	0.75	1.18	10	-571	-4.5	-3.7	-3.4	51	13	Stack/Re-stack
12:42	12:52	1.27	2.06	-90	-797	-0.9	-0.2	-0.3	130	14	Post-Observing

Problem Reports
PR Number	Times	Time Lost	Description	Response
6632	05:00-05:00	00:00	Odd sensor shears around 2:3 and 6:9; didn't impact operations much

TO Comments	Poor seeing; cool aurora

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
lrs20000030_02	Cd-A_B	00:00	29			LRS2	cal							Yes
lrs20000030_03	Cd-A_B	00:01	29			LRS2	cal							Yes
lrs20000031_01	FeAr_R	00:03	15			LRS2	cal							Yes
lrs20000031_02	FeAr_R	00:04	15			LRS2	cal							Yes
lrs20000031_03	FeAr_R	00:05	15			LRS2	cal							Yes
lrs20000032_01	Hg_R	00:07	20			LRS2	cal							Yes
lrs20000032_02	Hg_R	00:08	20			LRS2	cal							Yes
lrs20000032_03	Hg_R	00:09	20			LRS2	cal							Yes
lrs20000033_01	Hg_B	00:10	15			LRS2	cal							Yes
lrs20000033_02	Hg_B	00:12	15			LRS2	cal							Yes
lrs20000033_03	Hg_B	00:13	15			LRS2	cal							Yes
lrs20000001_01	skyflat	00:32	7			LRS2	cal							Yes
lrs20000002_01	skyflat	00:34	10			LRS2	cal							Yes
lrs20000003_01	skyflat	00:35	13			LRS2	cal							Yes
lrs20000004_01	skyflat	00:36	16			LRS2	cal							Yes
lrs20000005_01	skyflat	00:37	22			LRS2	cal							Yes
lrs20000006_01	skyflat	00:38	30			LRS2	cal							Yes
virus0000001_01	skyflat	00:41	7			VIRUS	cal							Yes
virus0000002_01	skyflat	00:43	10			VIRUS	cal							Yes
virus0000003_01	skyflat	00:44	14			VIRUS	cal							Yes
virus0000004_01	skyflat	00:45	18			VIRUS	cal							Yes
virus0000005_01	skyflat	00:47	26			VIRUS	cal							Yes
virus0000006_01	flat_ldls_long	01:02	15			VIRUS	cal							Yes
virus0000006_02	flat_ldls_long	01:04	15			VIRUS	cal							Yes
virus0000006_03	flat_ldls_long	01:05	15			VIRUS	cal							Yes
virus0000007_01	Cd-A	01:07	15			VIRUS	cal							Yes
virus0000007_02	Cd-A	01:08	15			VIRUS	cal							Yes
virus0000007_03	Cd-A	01:09	15			VIRUS	cal							Yes
virus0000008_01	Hg	01:11	15			VIRUS	cal							Yes
virus0000008_02	Hg	01:12	15			VIRUS	cal							Yes
virus0000008_03	Hg	01:14	15			VIRUS	cal							Yes
virus0000009_01	parallel	02:04	1023			VIRUS	sci							Yes
0001	QID 1855	02:05	969.1	7.8	PSU26-1-007	HPF	sci	3.19	2.33	20.65	1.04	18	Poor image quality.	No
0002	LFC Cal	02:23	106.5			HPF	cal							Yes
0003	QID 1764	02:34	532.5	8.1	UT26-1-014	HPF	sci	3.00	1.87	20.54	0.86	251	Poor image quality.	No
virus0000010_01	parallel	02:34	583			VIRUS	sci							Yes
0004	LFC Cal	02:44	106.5			HPF	cal							Yes
0005	QID 1308	02:51	969.1	7.8	PSU26-1-023	HPF	sci	3.07	1.77	20.38	0.81	36	Poor image quality.	No
virus0000011_01	parallel	02:51	2047			VIRUS	sci							Yes
0006	QID 1308	03:08	969.1	0.8	PSU26-1-023	HPF	sci	3.11	2.04	20.38	0.83	38		No
0007	LFC Cal	03:26	106.5			HPF	cal							Yes
0008	HR2669_tell_std	03:48	330.2	7.5		HPF	telluric	2.84		20.36	0.68			Yes
virus0000012_01	parallel	04:02	2047			VIRUS	sci							Yes
0009	QID 1307	04:03	969.1	9.8	PSU26-1-023	HPF	sci	3.43	1.89	20.47	0.69	63	Poor image quality. Aborted second exposure.	No
0010	QID 1307	04:20	969.1	0.8	PSU26-1-023	HPF	sci	3.42	2.05	20.49	0.68	16		No
0011	LFC Cal	04:43	106.5			HPF	cal							Yes
virus0000013_01	parallel	05:23	2203			VIRUS	sci							Yes
0012	QID 1526	05:24	330.2	5.5	UT26-1-010	HPF	sci	2.79	2.83	20.30	0.94	226	Poor image quality during most of the exposures.	No
0013	QID 1526	05:30	330.2	0.5	UT26-1-010	HPF	sci	2.52	2.20	20.26	0.82	234		No
0014	QID 1526	05:36	330.2	1.5	UT26-1-010	HPF	sci	2.53	2.35	20.25	0.83	242		No
0015	QID 1526	05:42	330.2	0.5	UT26-1-010	HPF	sci	2.65	2.08	20.23	0.81	228		No
0016	QID 1526	05:48	330.2	0.5	UT26-1-010	HPF	sci	2.78	2.62	20.29	0.87	224		No
0017	QID 1526	05:54	330.2	0.5	UT26-1-010	HPF	sci	3.06	2.63	20.33	0.86	194		No
0018	LFC Cal	06:01	106.5			HPF	cal							Yes
0019	LFC Cal	06:09	106.5			HPF	cal							Yes
virus0000014_01	parallel	06:09	1000			VIRUS	sci							Yes
lrs20000007_01	QID 444	06:09	1000	9.3	PSU26-1-014	LRS2-B	sci	2.74	2.40	21.63	0.67			P4
0020	LFC Cal	06:12	106.5			HPF	cal							Yes
0021	LFC Cal	06:14	106.5			HPF	cal							Yes
lrs20000008_01	FEIGE34_056_E	06:33	60	7.0		LRS2	spec	2.88	2.43	22.02	0.32			Yes
lrs20000009_01	FEIGE34_066_E	06:37	60	3.0		LRS2	spec	2.61	2.03	21.17	0.46			Yes
virus0000015_01	G191B2B_034_W	06:44	60	6.0		VIRUS	spec	2.88	2.19	21.61	0.74			Yes
virus0000015_02	G191B2B_034_W	06:46	60	1.0		VIRUS	spec	2.74	2.40	21.59	0.74			Yes
virus0000015_03	G191B2B_034_W	06:48	60	1.0		VIRUS	spec	2.90	2.10	21.55	0.66			Yes
0022	LFC Cal	06:58	106.5			HPF	cal							Yes
virus0000016_01	parallel	06:58	450			VIRUS	sci							Yes
lrs20000010_01	QID 1828	06:58	450	8.5	PSU26-1-014	LRS2-B	sci	2.84	3.20	21.53	0.61			P4
0023	LFC Cal	07:00	106.5			HPF	cal							Yes
0024	LFC Cal	07:03	106.5			HPF	cal							Yes
0025	LFC Cal	07:11	106.5			HPF	cal							Yes
lrs20000011_01	parallel	07:11	600			LRS2	sci							Yes
virus0000017_01	QID 496	07:11	600	6.0	UT26-1-018	VIRUS	sci	2.31	2.09	21.67	0.33		Clouds, low transparency.	No
0026	LFC Cal	07:13	106.5			HPF	cal							Yes
0027	LFC Cal	07:16	106.5			HPF	cal							Yes
lrs20000011_02	parallel	07:22	600			LRS2	sci							Yes
virus0000017_02	QID 496	07:22	600	1.0	UT26-1-018	VIRUS	sci	2.39	1.84	21.65	0.55			No
lrs20000011_03	parallel	07:33	600			LRS2	sci							Yes
virus0000017_03	QID 496	07:33	600	1.0	UT26-1-018	VIRUS	sci	2.63	1.82	21.67	0.35			No
0028	LFC Cal	07:48	106.5			HPF	cal							Yes
lrs20000012_01	parallel	07:48	300			LRS2	sci							Yes
virus0000018_01	QID 1246	07:48	300	5.0	M26-1-004	VIRUS	sci	2.36	1.74	21.66	0.26		Clouds, low transparency.	No
0029	LFC Cal	07:51	106.5			HPF	cal							Yes
0030	LFC Cal	07:56	106.5			HPF	cal							Yes
lrs20000013_01	parallel	07:56	300			LRS2	sci							Yes
virus0000019_01	QID 1247	07:56	300	3.0	M26-1-004	VIRUS	sci	2.25	1.72	21.64	0.16			No
0031	LFC Cal	07:59	106.5			HPF	cal							Yes
0032	LFC Cal	08:07	106.5			HPF	cal							Yes
lrs20000014_01	parallel	08:07	300			LRS2	sci							Yes
virus0000020_01	QID 1248	08:07	300	6.0	M26-1-004	VIRUS	sci	2.76		21.95	0.22			No
0033	LFC Cal	08:09	106.5			HPF	cal							Yes
0034	LFC Cal	08:16	106.5			HPF	cal							Yes
lrs20000015_01	parallel	08:16	300			LRS2	sci							Yes
virus0000021_01	QID 1249	08:16	300	4.0	M26-1-004	VIRUS	sci	2.25		21.68	0.46			No
0035	LFC Cal	08:18	106.5			HPF	cal							Yes
0036	LFC Cal	08:26	106.5			HPF	cal							Yes
lrs20000016_01	parallel	08:26	300			LRS2	sci							Yes
virus0000022_01	QID 1242	08:26	300	5.0	M26-1-004	VIRUS	sci	2.15		21.82	0.46		Clouds, low transparency.	No
0037	LFC Cal	08:28	106.5			HPF	cal							Yes
0038	LFC Cal	08:34	106.5			HPF	cal							Yes
lrs20000017_01	parallel	08:34	300			LRS2	sci							Yes
virus0000023_01	QID 1243	08:34	300	3.0	M26-1-004	VIRUS	sci	2.17		21.70	0.37			No
0039	LFC Cal	08:37	106.5			HPF	cal							Yes
lrs20000018_01	parallel	08:43	300			LRS2	sci							Yes
virus0000024_01	QID 1244	08:43	300	4.0	M26-1-004	VIRUS	sci	2.27		21.73	0.14			No
0040	LFC Cal	08:44	106.5			HPF	cal							Yes
0041	LFC Cal	08:46	106.5			HPF	cal							Yes
0042	QID 1861	08:58	969.1	9.8	PSU26-1-007	HPF	sci	2.33		20.55	0.24	16	Clouds, low transparency.	No
virus0000025_01	parallel	08:58	1023			VIRUS	sci							Yes
0043	LFC Cal	09:16	106.5			HPF	cal							Yes
virus0000026_01	parallel	09:23	1959			VIRUS	sci							Yes
0044	QID 433	09:24	915.9	9.7	G26-1-002	HPF	sci	2.18		20.09	0.79	25		Yes
0045	QID 433	09:40	915.9	0.7	G26-1-002	HPF	sci	2.26		20.02	0.79	28		Yes
0046	LFC Cal	09:57	106.5			HPF	cal							Yes
0047	LFC Cal	10:03	106.5			HPF	cal							Yes
lrs20000019_01	parallel	10:03	600			LRS2	sci							Yes
virus0000027_01	QID 502	10:03	600	8.0	UT26-1-018	VIRUS	sci	2.37	1.75	21.68	0.76			Yes
0048	LFC Cal	10:06	106.5			HPF	cal							Yes
0049	LFC Cal	10:08	106.5			HPF	cal							Yes
lrs20000019_02	parallel	10:14	600			LRS2	sci							Yes
virus0000027_02	QID 502	10:14	600	1.0	UT26-1-018	VIRUS	sci	2.32	1.73	21.63	0.77			Yes
lrs20000019_03	parallel	10:26	600			LRS2	sci							Yes
virus0000027_03	QID 502	10:26	600	2.0	UT26-1-018	VIRUS	sci	2.58	1.89	21.63	0.71			Yes
virus0000028_01	parallel	10:49	1023			VIRUS	sci							Yes
0050	QID 1820	10:50	969.1	6.8	UT26-1-014	HPF	sci	2.21	2.11	20.01	0.74	190		P4
0051	LFC Cal	11:08	106.5			HPF	cal							Yes
0052	QID 1956	11:14	649.6	8.2	UT26-1-010	HPF	sci	2.43	2.44	19.96	0.65	212		Yes
virus0000029_01	parallel	11:14	2083			VIRUS	sci							Yes
0053	QID 1956	11:26	649.6	0.2	UT26-1-010	HPF	sci	2.10	1.97	19.91	0.70	278		Yes
0054	QID 1956	11:37	649.6	1.2	UT26-1-010	HPF	sci	2.27	2.25	19.92	0.64	227		Yes
0055	LFC Cal	11:50	106.5			HPF	cal							Yes
0056	QID 432	11:57	915.9	9.7	G26-1-002	HPF	sci	2.60	2.74	19.94	0.74	26	Poor image quality.	No
virus0000030_01	parallel	11:57	1959			VIRUS	sci							Yes
0057	QID 432	12:14	915.9	0.7	G26-1-002	HPF	sci	2.64	2.17	19.82	0.87	21		No
0058	LFC Cal	12:31	106.5			HPF	cal							Yes
lrs20000020_01	bias	12:45	0			LRS2	cal							Yes
virus0000031_01	bias	12:46	0			VIRUS	cal							Yes
virus0000032_01	Cd-A	12:50	15		ENG26-1-002	VIRUS	cal							Yes
virus0000033_01	Hg	12:51	15		ENG26-1-002	VIRUS	cal							Yes
0059	Dark	12:59	319.5			HPF	cal							Yes
0060	Quartz FCU	13:10	74.5			HPF	cal							Yes
0061	Quartz FCU	13:12	74.5			HPF	cal							Yes
0062	Quartz FCU	13:14	74.5			HPF	cal							Yes
0063	Quartz FCU	13:16	74.5			HPF	cal							Yes
0064	Quartz FCU	13:17	74.5			HPF	cal							Yes
0065	Quartz FCU	13:19	74.5			HPF	cal							Yes
0066	Quartz FCU	13:21	74.5			HPF	cal							Yes
0067	Alpha Bright Cal	13:23	85.2			HPF	cal							Yes
0068	Alpha Bright Cal	13:25	85.2			HPF	cal							Yes
0069	Alpha Bright Cal	13:27	85.2			HPF	cal							Yes
0070	Alpha Bright Cal	13:29	85.2			HPF	cal							Yes
0071	LFC FCU	13:32	106.5			HPF	cal							Yes
0072	LFC FCU	13:35	106.5			HPF	cal							Yes
0073	LFC FCU	13:37	106.5			HPF	cal							Yes
0074	LFC FCU	13:39	106.5			HPF	cal							Yes
0075	LFC FCU	13:41	106.5			HPF	cal							Yes
0076	LFC FCU	13:44	106.5			HPF	cal							Yes
0077	LFC Cal	13:47	106.5			HPF	cal							Yes
0078	LFC Cal	13:49	106.5			HPF	cal							Yes
0079	Etalon Cal	13:57	159.8			HPF	cal							Yes
0080	Etalon Cal	14:00	159.8			HPF	cal							Yes
0081	Etalon Cal	14:03	159.8			HPF	cal							Yes
0082	Etalon Cal	14:06	159.8			HPF	cal							Yes
0083	UNe Slave Cal	14:10	426			HPF	cal							Yes
0084	UNe Slave Cal	14:18	426			HPF	cal							Yes
0085	UNe Slave Cal	14:25	426			HPF	cal							Yes
0086	UNe Slave Cal	14:33	426			HPF	cal							Yes
0087	UNe Slave Cal	14:41	426			HPF	cal							Yes
0088	UNe Slave Cal	14:49	426			HPF	cal							Yes
0083	LFC Cal	21:51	106.5			HPF	cal							Yes
lrs20009900_01	bias	22:20	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	22:21	20			VIRUS	cal							Yes
virus0009901_01	bias	22:22	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	22:23	20			LRS2	cal							Yes
virus0009902_01	dark	22:24	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:25	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:27	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:28	15			LRS2	cal							Yes
0084	Dark	22:35	319.5			HPF	cal							Yes
0085	Quartz FCU	22:42	74.5			HPF	cal							Yes
0086	Quartz FCU	22:44	74.5			HPF	cal							Yes
0087	Quartz FCU	22:45	74.5			HPF	cal							Yes
0088	Quartz FCU	22:47	74.5			HPF	cal							Yes
0089	Quartz FCU	22:49	74.5			HPF	cal							Yes
0090	Quartz FCU	22:51	74.5			HPF	cal							Yes
0091	Quartz FCU	22:52	74.5			HPF	cal							Yes
0092	Alpha Bright Cal	22:55	85.2			HPF	cal							Yes
0093	Alpha Bright Cal	22:57	85.2			HPF	cal							Yes
0094	Alpha Bright Cal	22:59	85.2			HPF	cal							Yes
0095	Alpha Bright Cal	23:01	85.2			HPF	cal							Yes
0096	LFC FCU	23:03	106.5			HPF	cal							Yes
0097	LFC FCU	23:06	106.5			HPF	cal							Yes
0098	LFC Cal	23:08	106.5			HPF	cal							Yes
0099	LFC Cal	23:11	106.5			HPF	cal							Yes
0100	Etalon Cal	23:13	159.8			HPF	cal							Yes
0101	UNe Slave Cal	23:17	426			HPF	cal							Yes
lrs20000026_01	bias	23:18	0			LRS2	cal							Yes
virus0000036_01	bias	23:18	0			VIRUS	cal							Yes
lrs20000026_02	bias	23:18	0			LRS2	cal							Yes
virus0000036_02	bias	23:19	0			VIRUS	cal							Yes
lrs20000026_03	bias	23:19	0			LRS2	cal							Yes
virus0000036_03	bias	23:19	0			VIRUS	cal							Yes
lrs20000026_04	bias	23:20	0			LRS2	cal							Yes
virus0000036_04	bias	23:20	0			VIRUS	cal							Yes
lrs20000026_05	bias	23:21	0			LRS2	cal							Yes
virus0000036_05	bias	23:21	0			VIRUS	cal							Yes
lrs20000026_06	bias	23:22	0			LRS2	cal							Yes
virus0000036_06	bias	23:22	0			VIRUS	cal							Yes
lrs20000026_07	bias	23:23	0			LRS2	cal							Yes
virus0000036_07	bias	23:23	0			VIRUS	cal							Yes
lrs20000026_08	bias	23:24	0			LRS2	cal							Yes
virus0000036_08	bias	23:24	0			VIRUS	cal							Yes
lrs20000026_09	bias	23:24	0			LRS2	cal							Yes
0102	UNe Slave Cal	23:25	426			HPF	cal							Yes
virus0000036_09	bias	23:25	0			VIRUS	cal							Yes
lrs20000026_10	bias	23:25	0			LRS2	cal							Yes
virus0000036_10	bias	23:26	0			VIRUS	cal							Yes
lrs20000026_11	bias	23:26	0			LRS2	cal							Yes
virus0000036_11	bias	23:26	0			VIRUS	cal							Yes
lrs20000027_01	dark	23:27	360			LRS2	cal							Yes
virus0000037_01	dark	23:27	360			VIRUS	cal							Yes
0103	UNe Slave Cal	23:33	426			HPF	cal							Yes
lrs20000027_02	dark	23:34	360			LRS2	cal							Yes
virus0000037_02	dark	23:34	360			VIRUS	cal							Yes
0104	UNe Slave Cal	23:40	426			HPF	cal							Yes
lrs20000027_03	dark	23:41	360			LRS2	cal							Yes
virus0000037_03	dark	23:41	360			VIRUS	cal							Yes
0105	UNe Slave Cal	23:48	426			HPF	cal							Yes
lrs20000028_01	flat_Qth_R	23:48	15			LRS2	cal							Yes
lrs20000028_02	flat_Qth_R	23:50	15			LRS2	cal							Yes
lrs20000028_03	flat_Qth_R	23:51	15			LRS2	cal							Yes
lrs20000028_04	flat_Qth_R	23:52	15			LRS2	cal							Yes
lrs20000028_05	flat_Qth_R	23:53	15			LRS2	cal							Yes
lrs20000029_01	flat_ldls_long_B	23:55	20			LRS2	cal							Yes
0106	UNe Slave Cal	23:56	426			HPF	cal							Yes
lrs20000029_02	flat_ldls_long_B	23:56	20			LRS2	cal							Yes
lrs20000029_03	flat_ldls_long_B	23:57	20			LRS2	cal							Yes
lrs20000030_01	Cd-A_B	23:58	29			LRS2	cal							Yes