HET Night Report Reader

Civil Date	Ephemerides
2025-01-23	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	00:32	01:19	01:48	12:28	12:56	13:44	09:36	-
Night Length	10:40		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator
Sergey Rostopchin	Amy Westfall

Overlaps
TO Overlap	RA Overlap
-	Stephen Odewahn

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
00:21	-4.8	1.3	12:54	twilight	12:33
Total Time Open					12:33

Program	Night Priority	Science
01:48	Science
03:42	Idle due to weather (queue hole)
04:17	Science
07:24	Idle due to weather (queue hole)
07:55	Science
10:07	Idle due to weather (iq degradation)
10:25	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
00:58	02:26	0.72	1.13	190	+10182	-6.0	-5.1	-4.7	9	5	First of Night
↪ Comments			Before reference set, persistent unidirectional vector (toward lower right) on 8:2
12:48	12:53	1.12	1.77	350	+11387	-5.6	-5.1	-5.0	210	7	Post-Observing

Problem Reports					no PRs

TO Comments	Cold with stable temperature. Clear and calm.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
lrs20000030_01	dark	00:00	360			LRS2	cal							Yes
virus0000036_01	dark	00:00	360			VIRUS	cal							Yes
lrs20000030_02	dark	00:06	360			LRS2	cal							Yes
virus0000036_02	dark	00:07	360			VIRUS	cal							Yes
lrs20000030_03	dark	00:13	360			LRS2	cal							Yes
virus0000036_03	dark	00:13	360			VIRUS	cal							Yes
0001	twilight	00:29	298.2			HPF	cal							Yes
lrs20000001_01	skyflat	00:36	7			LRS2	cal							Yes
lrs20000002_01	skyflat	00:38	10			LRS2	cal							Yes
lrs20000003_01	skyflat	00:39	13			LRS2	cal							Yes
lrs20000004_01	skyflat	00:40	16			LRS2	cal							Yes
lrs20000005_01	skyflat	00:41	22			LRS2	cal							Yes
lrs20000006_01	skyflat	00:42	30			LRS2	cal							Yes
virus0000001_01	skyflat	00:45	7			VIRUS	cal							Yes
virus0000002_01	skyflat	00:47	10			VIRUS	cal							Yes
virus0000003_01	skyflat	00:48	14			VIRUS	cal							Yes
virus0000004_01	skyflat	00:49	18			VIRUS	cal							Yes
virus0000005_01	skyflat	00:51	26			VIRUS	cal							Yes
lrs20000007_01	bias	00:52	0			LRS2	cal							Yes
virus0000006_01	bias	00:52	0			VIRUS	cal							Yes
lrs20000007_02	bias	00:53	0			LRS2	cal							Yes
virus0000006_02	bias	00:53	0			VIRUS	cal							Yes
lrs20000007_03	bias	00:54	0			LRS2	cal							Yes
virus0000006_03	bias	00:54	0			VIRUS	cal							Yes
lrs20000007_04	bias	00:55	0			LRS2	cal							Yes
virus0000006_04	bias	00:55	0			VIRUS	cal							Yes
lrs20000007_05	bias	00:55	0			LRS2	cal							Yes
virus0000006_05	bias	00:56	0			VIRUS	cal							Yes
lrs20000007_06	bias	00:56	0			LRS2	cal							Yes
virus0000006_06	bias	00:57	0			VIRUS	cal							Yes
lrs20000007_07	bias	00:57	0			LRS2	cal							Yes
virus0000006_07	bias	00:58	0			VIRUS	cal							Yes
lrs20000007_08	bias	00:58	0			LRS2	cal							Yes
virus0000006_08	bias	00:58	0			VIRUS	cal							Yes
lrs20000007_09	bias	00:59	0			LRS2	cal							Yes
virus0000006_09	bias	00:59	0			VIRUS	cal							Yes
lrs20000007_10	bias	01:00	0			LRS2	cal							Yes
virus0000006_10	bias	01:00	0			VIRUS	cal							Yes
lrs20000007_11	bias	01:01	0			LRS2	cal							Yes
virus0000006_11	bias	01:01	0			VIRUS	cal							Yes
0002	LFC Cal	01:53	106.5			HPF	cal							Yes
0003	LFC Cal	01:55	106.5			HPF	cal							Yes
0004	LFC Cal	01:58	106.5			HPF	cal							Yes
0005	test_drk_donotuse	02:28	10.7			HPF	cal							Yes
0006	parallel	02:34	969.1	6.8	PSU25-1-016	HPF	sci	2.10	1.12	20.09	0.89	109		Yes
virus0000007_01	parallel	02:34	2047			VIRUS	sci							Yes
0007	parallel	02:51	969.1	1.8	PSU25-1-016	HPF	sci	2.25	1.13	20.13	0.87	91		Yes
0008	LFC Cal	03:09	106.5			HPF	cal							Yes
0009	test_drk_donotuse	03:14	10.7			HPF	cal							Yes
0010	parallel	03:15	32	6.5	UT25-1-003	HPF	sci	2.26	1.01	20.29	1.02	436		Yes
0011	parallel	03:16	32	0.5	UT25-1-003	HPF	sci	2.26	0.92	20.28	1.01	439		Yes
0012	parallel	03:17	32	0.5	UT25-1-003	HPF	sci	2.29	0.94	20.28	1.02	404		Yes
lrs20000008_01	HD55677_056_E	03:26	30	9.5		LRS2	spec	2.49	1.13	21.53	0.95			Yes
lrs20000009_01	HD55677_066_E	03:30	30	3.5		LRS2	spec	2.04	1.07	20.68	0.94			Yes
0013	test_drk_donotuse	03:32	10.7			HPF	cal							Yes
0014	HR2315_tell_std	03:36	330.2	5.5		HPF	telluric	2.28	1.15	20.33	0.96			Yes
0015	LFC Cal	04:20	106.5			HPF	cal							Yes
virus0000008_01	parallel	04:20	1500			VIRUS	sci							Yes
lrs20000010_01	parallel	04:20	1500	3.0	UT25-1-007	LRS2-B	sci	2.27	1.26	21.66	0.99			Yes
0016	LFC Cal	04:23	106.5			HPF	cal							Yes
0017	LFC Cal	04:25	106.5			HPF	cal							Yes
virus0000008_02	parallel	04:46	1500			VIRUS	sci							Yes
lrs20000010_02	parallel	04:46	1500	1.0	UT25-1-007	LRS2-B	sci	2.61	1.20	21.74	0.89			Yes
0018	LFC Cal	05:13	106.5			HPF	cal							Yes
virus0000009_01	parallel	05:18	1984			VIRUS	sci							Yes
0019	parallel	05:19	617.7	7.7	UT25-1-025	HPF	sci	2.09	1.51	20.46	0.84	48		Yes
0020	parallel	05:30	617.7	0.7	UT25-1-025	HPF	sci	2.13	1.44	20.40	0.88	47		Yes
0021	parallel	05:41	617.7	0.7	UT25-1-025	HPF	sci	2.02	1.24	20.38	0.89	49		Yes
0022	LFC Cal	05:53	106.5			HPF	cal							Yes
lrs20000011_01	parallel	06:00	300			LRS2	sci							Yes
virus0000010_01	parallel	06:00	300	9.0	M25-1-004	VIRUS	sci	2.02	1.10	21.82	0.82			Yes
0023	LFC Cal	06:01	106.5			HPF	cal							Yes
0024	LFC Cal	06:03	106.5			HPF	cal							Yes
0025	LFC Cal	06:09	106.5			HPF	cal							Yes
lrs20000012_01	parallel	06:09	300			LRS2	sci							Yes
virus0000011_01	parallel	06:09	300	4.0	M25-1-004	VIRUS	sci	1.87	1.01	21.72	0.93			Yes
0026	LFC Cal	06:11	106.5			HPF	cal							Yes
0027	LFC Cal	06:18	106.5			HPF	cal							Yes
lrs20000013_01	parallel	06:18	300			LRS2	sci							Yes
virus0000012_01	parallel	06:18	300	4.0	M25-1-004	VIRUS	sci	1.94	1.00	21.74	0.94			Yes
0028	LFC Cal	06:21	106.5			HPF	cal							Yes
0029	LFC Cal	06:27	106.5			HPF	cal							Yes
lrs20000014_01	parallel	06:27	300			LRS2	sci							Yes
virus0000013_01	parallel	06:27	300	4.0	M25-1-004	VIRUS	sci	1.82	0.90	21.70	0.96			Yes
0030	LFC Cal	06:29	106.5			HPF	cal							Yes
0031	test_drk_donotuse	06:33	10.7			HPF	cal							Yes
0032	parallel	06:38	74.5	5.8	UT25-1-003	HPF	sci	1.82	1.06	20.66	0.69	372		Yes
virus0000014_01	parallel	06:38	301			VIRUS	sci							Yes
0033	parallel	06:40	74.5	0.8	UT25-1-003	HPF	sci	1.98	1.17	20.68	0.69	311		Yes
0034	parallel	06:42	74.5	0.8	UT25-1-003	HPF	sci	2.70	1.35	20.67	0.68	302		Yes
0035	LFC Cal	06:51	106.5			HPF	cal							Yes
lrs20000015_01	parallel	06:51	600			LRS2	sci							Yes
virus0000015_01	parallel	06:51	600	8.0	UT25-1-015	VIRUS	sci	2.12	1.05	21.82	0.84			Yes
0036	LFC Cal	06:53	106.5			HPF	cal							Yes
0037	LFC Cal	06:56	106.5			HPF	cal							Yes
lrs20000015_02	parallel	07:02	600			LRS2	sci							Yes
virus0000015_02	parallel	07:02	600	1.0	UT25-1-015	VIRUS	sci	1.94	0.90	21.75	0.96			Yes
lrs20000015_03	parallel	07:13	600			LRS2	sci							Yes
virus0000015_03	parallel	07:13	600	1.0	UT25-1-015	VIRUS	sci	1.98	0.89	21.79	0.95			Yes
0038	LFC Cal	07:36	106.5			HPF	cal							Yes
lrs20000016_01	parallel	07:36	1000			LRS2	sci							Yes
virus0000016_01	parallel	07:36	1000	13.3	M25-1-008	VIRUS	sci	1.71	1.02	21.73	0.80		variable transparency	Yes
0039	LFC Cal	07:38	106.5			HPF	cal							Yes
0040	LFC Cal	07:41	106.5			HPF	cal							Yes
lrs20000016_02	parallel	07:54	1000			LRS2	sci							Yes
virus0000016_02	parallel	07:54	1000	-14.7	M25-1-008	VIRUS	sci	1.80	0.82	21.75	0.81		variable transparency	No
0041	test_drk_donotuse	08:00	10.7			HPF	cal							Yes
0042	parallel	08:01	649.6	6.2	PSU25-1-013	HPF	sci	1.56	0.72	20.33	1.01	194		Yes
virus0000017_01	parallel	08:01	2083			VIRUS	sci							Yes
0043	parallel	08:13	649.6	1.2	PSU25-1-013	HPF	sci	1.57	0.61	20.29	1.01	211		Yes
0044	parallel	08:24	649.6	0.2	PSU25-1-013	HPF	sci	1.59	0.68	20.25	1.00	204		Yes
lrs20000017_01	parallel	08:41	600			LRS2	sci							Yes
virus0000018_01	parallel	08:41	600	6.0	UT25-1-008	VIRUS	sci	1.49	0.67	20.17	1.06			Yes
0045	LFC Cal	08:42	106.5			HPF	cal							Yes
0046	LFC Cal	08:44	106.5			HPF	cal							Yes
0047	LFC Cal	08:46	106.5			HPF	cal							Yes
lrs20000017_02	parallel	08:52	600			LRS2	sci							Yes
virus0000018_02	parallel	08:52	600	1.0	UT25-1-008	VIRUS	sci	1.50	0.75	20.05	1.05			Yes
lrs20000017_03	parallel	09:04	600			LRS2	sci							Yes
virus0000018_03	parallel	09:04	600	2.0	UT25-1-008	VIRUS	sci	1.36	0.83	19.86	1.21			Yes
virus0000019_01	HZ44_034_E	09:22	60	8.0		VIRUS	spec	1.74	1.08	22.00	0.70			Yes
virus0000019_02	HZ44_034_E	09:25	60	2.0		VIRUS	spec	1.61	1.00	21.97	0.71			Yes
virus0000019_03	HZ44_034_E	09:27	60	1.0		VIRUS	spec	1.62	1.04	21.98	0.71			Yes
0048	test_drk_donotuse	09:30	10.7			HPF	cal							Yes
0049	parallel	09:33	969.1	5.8	UT25-1-024	HPF	sci	1.62	1.22	20.14	0.91	60		P4
virus0000020_01	parallel	09:33	2047			VIRUS	sci							Yes
0050	parallel	09:51	969.1	0.8	UT25-1-024	HPF	sci	1.56	1.22	20.15	0.92	62		P4
0051	LFC Cal	10:13	106.5			HPF	cal							Yes
virus0000021_01	parallel	10:13	1200			VIRUS	sci							Yes
lrs20000018_01	parallel	10:13	800	4.7	UT25-1-011	LRS2-B	sci	2.50	2.79	21.32	0.93		sudden IQ degradation. aborted	No
0052	LFC Cal	10:16	106.5			HPF	cal							Yes
0053	LFC Cal	10:18	106.5			HPF	cal							Yes
0054	test_drk_donotuse	10:26	10.7			HPF	cal							Yes
0055	parallel	10:30	287.6	5.2	UT25-1-003	HPF	sci	2.18	1.65	19.95	0.91	443		Yes
virus0000022_01	parallel	10:30	961			VIRUS	sci							Yes
0056	parallel	10:36	287.6	1.2	UT25-1-003	HPF	sci	2.21	3.07	19.97	0.87	392		Yes
0057	parallel	10:41	287.6	0.2	UT25-1-003	HPF	sci	2.14	2.21	19.96	0.88	392		Yes
0058	LFC Cal	10:56	106.5			HPF	cal							Yes
virus0000023_01	parallel	10:56	3000			VIRUS	sci							Yes
lrs20000019_01	parallel	10:56	3000	10.0	PSU25-1-003	LRS2-B	sci	1.73	1.65	21.41	0.90			Yes
0059	LFC Cal	10:59	106.5			HPF	cal							Yes
0060	LFC Cal	11:01	106.5			HPF	cal							Yes
0061	test_drk_donotuse	11:48	10.7			HPF	cal							Yes
virus0000024_01	parallel	11:53	363			VIRUS	sci							Yes
0062	parallel	11:54	330.2	7.5	PSU25-1-006	HPF	sci	2.44	2.35	20.07	0.78	346		Yes
0063	test_drk_donotuse	12:01	10.7			HPF	cal							Yes
0064	test_drk_donotuse	12:07	10.7			HPF	cal							Yes
0065	parallel	12:11	969.1	12.8	PSU25-1-016	HPF	sci	2.15	2.39	19.84	0.99	164		Yes
virus0000025_01	parallel	12:11	2047			VIRUS	sci							Yes
0066	parallel	12:29	969.1	0.8	PSU25-1-016	HPF	sci	2.36	2.46	19.79	1.00	161		Yes
0067	LFC Cal	12:47	106.5			HPF	cal							Yes
lrs20000020_01	bias	12:50	0			LRS2	cal							Yes
virus0000026_01	bias	12:51	0			VIRUS	cal							Yes
virus0000027_01	Cd-A	12:55	15		ENG25-1-002	VIRUS	cal							Yes
virus0000028_01	Hg	12:57	15		ENG25-1-002	VIRUS	cal							Yes
0068	Dark	13:04	319.5			HPF	cal							Yes
0069	Quartz FCU	13:16	74.5			HPF	cal							Yes
0070	Quartz FCU	13:18	74.5			HPF	cal							Yes
0071	Quartz FCU	13:19	74.5			HPF	cal							Yes
0072	Quartz FCU	13:21	74.5			HPF	cal							Yes
0073	Quartz FCU	13:23	74.5			HPF	cal							Yes
0074	Quartz FCU	13:25	74.5			HPF	cal							Yes
0075	Quartz FCU	13:27	74.5			HPF	cal							Yes
0076	Alpha Bright Cal	13:29	85.2			HPF	cal							Yes
0077	Alpha Bright Cal	13:31	85.2			HPF	cal							Yes
0078	Alpha Bright Cal	13:33	85.2			HPF	cal							Yes
0079	Alpha Bright Cal	13:35	85.2			HPF	cal							Yes
0080	LFC FCU	13:38	106.5			HPF	cal							Yes
0081	LFC FCU	13:40	106.5			HPF	cal							Yes
0082	LFC FCU	13:43	106.5			HPF	cal							Yes
0083	LFC FCU	13:45	106.5			HPF	cal							Yes
0084	LFC FCU	13:47	106.5			HPF	cal							Yes
0085	LFC FCU	13:50	106.5			HPF	cal							Yes
0086	LFC Cal	13:53	106.5			HPF	cal							Yes
0087	LFC Cal	13:55	106.5			HPF	cal							Yes
0088	Etalon Cal	14:03	159.8			HPF	cal							Yes
0089	Etalon Cal	14:06	159.8			HPF	cal							Yes
0090	Etalon Cal	14:09	159.8			HPF	cal							Yes
0091	Etalon Cal	14:12	159.8			HPF	cal							Yes
0092	UNe Slave Cal	14:16	426			HPF	cal							Yes
0093	UNe Slave Cal	14:24	426			HPF	cal							Yes
0118	LFC Cal	22:04	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	38			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:27	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:28	15			LRS2	cal							Yes
0119	Dark	22:31	319.5			HPF	cal							Yes
0120	Quartz FCU	22:37	74.5			HPF	cal							Yes
0121	Quartz FCU	22:39	74.5			HPF	cal							Yes
0122	Quartz FCU	22:41	74.5			HPF	cal							Yes
0123	Quartz FCU	22:43	74.5			HPF	cal							Yes
0124	Quartz FCU	22:45	74.5			HPF	cal							Yes
0125	Quartz FCU	22:46	74.5			HPF	cal							Yes
0126	Quartz FCU	22:48	74.5			HPF	cal							Yes
0127	Alpha Bright Cal	22:50	85.2			HPF	cal							Yes
0128	Alpha Bright Cal	22:52	85.2			HPF	cal							Yes
0129	Alpha Bright Cal	22:54	85.2			HPF	cal							Yes
0130	Alpha Bright Cal	22:56	85.2			HPF	cal							Yes
0131	LFC FCU	22:59	106.5			HPF	cal							Yes
0132	LFC FCU	23:02	106.5			HPF	cal							Yes
0133	LFC Cal	23:04	106.5			HPF	cal							Yes
0134	LFC Cal	23:07	106.5			HPF	cal							Yes
0135	Etalon Cal	23:09	159.8			HPF	cal							Yes
0136	UNe Slave Cal	23:13	426			HPF	cal							Yes
lrs20000024_01	flat_Qth_R	23:15	15			LRS2	cal							Yes
lrs20000024_02	flat_Qth_R	23:16	15			LRS2	cal							Yes
lrs20000024_03	flat_Qth_R	23:18	15			LRS2	cal							Yes
lrs20000024_04	flat_Qth_R	23:19	15			LRS2	cal							Yes
lrs20000024_05	flat_Qth_R	23:20	15			LRS2	cal							Yes
0137	UNe Slave Cal	23:21	426			HPF	cal							Yes
lrs20000025_01	flat_ldls_long_B	23:21	20			LRS2	cal							Yes
lrs20000025_02	flat_ldls_long_B	23:23	20			LRS2	cal							Yes
lrs20000025_03	flat_ldls_long_B	23:24	20			LRS2	cal							Yes
lrs20000026_01	Cd-A_B	23:25	38			LRS2	cal							Yes
lrs20000026_02	Cd-A_B	23:27	38			LRS2	cal							Yes
lrs20000026_03	Cd-A_B	23:28	38			LRS2	cal							Yes
0138	UNe Slave Cal	23:29	426			HPF	cal							Yes
lrs20000027_01	FeAr_R	23:30	15			LRS2	cal							Yes
lrs20000027_02	FeAr_R	23:31	15			LRS2	cal							Yes
lrs20000027_03	FeAr_R	23:33	15			LRS2	cal							Yes
lrs20000028_01	Hg_R	23:34	20			LRS2	cal							Yes
lrs20000028_02	Hg_R	23:35	20			LRS2	cal							Yes
0139	UNe Slave Cal	23:36	426			HPF	cal							Yes
lrs20000028_03	Hg_R	23:36	20			LRS2	cal							Yes
lrs20000029_01	Hg_B	23:38	15			LRS2	cal							Yes
lrs20000029_02	Hg_B	23:39	15			LRS2	cal							Yes
lrs20000029_03	Hg_B	23:40	15			LRS2	cal							Yes
0140	UNe Slave Cal	23:44	426			HPF	cal							Yes
virus0000033_01	flat_ldls_long	23:47	15			VIRUS	cal							Yes
virus0000033_02	flat_ldls_long	23:48	15			VIRUS	cal							Yes
virus0000033_03	flat_ldls_long	23:50	15			VIRUS	cal							Yes
virus0000034_01	Cd-A	23:51	15			VIRUS	cal							Yes
0141	UNe Slave Cal	23:52	426			HPF	cal							Yes
virus0000034_02	Cd-A	23:53	15			VIRUS	cal							Yes
virus0000034_03	Cd-A	23:54	15			VIRUS	cal							Yes
virus0000035_01	Hg	23:55	15			VIRUS	cal							Yes
virus0000035_02	Hg	23:57	15			VIRUS	cal							Yes
virus0000035_03	Hg	23:58	15			VIRUS	cal							Yes