HET Night Report Reader

Civil Date	Ephemerides
2025-08-20	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:39	02:27	02:58	11:01	11:32	12:19	10:32	00:20
Night Length	8:03		Sunset Temperature

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

Overlaps		none

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
01:32	18.4	18.2	10:28	dew point	08:56
Total Time Open					8:56

Program	Night Priority	Science
02:58	Engineering (hpf)
04:55	Science
10:26	Idle due to weather (dew point)

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
02:03	02:40	0.41	0.64	190	+2880	19.5	19.4	19.0	19	8	First of Night

Problem Reports
PR Number	Times	Time Lost	Description	Response
6518	11:00-11:26	00:26	11:6 oscillation -- sent video of weird vector swings between SCS movements to mirror team.

TO Comments	Mostly clear and calm; high humidity, early closure for tracker temp/ext dewpoint

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
virus0000016_08	bias	00:00	0			VIRUS	cal							Yes
lrs20000010_09	bias	00:00	0			LRS2	cal							Yes
virus0000016_09	bias	00:00	0			VIRUS	cal							Yes
lrs20000010_10	bias	00:01	0			LRS2	cal							Yes
virus0000016_10	bias	00:01	0			VIRUS	cal							Yes
lrs20000010_11	bias	00:02	0			LRS2	cal							Yes
virus0000016_11	bias	00:02	0			VIRUS	cal							Yes
lrs20000011_01	dark	00:03	360			LRS2	cal							Yes
virus0000017_01	dark	00:03	360			VIRUS	cal							Yes
lrs20000011_02	dark	00:10	360			LRS2	cal							Yes
virus0000017_02	dark	00:10	360			VIRUS	cal							Yes
lrs20000011_03	dark	00:16	360			LRS2	cal							Yes
virus0000017_03	dark	00:17	360			VIRUS	cal							Yes
0001	twilight	01:36	298.2			HPF	cal					392		Yes
lrs20000001_01	skyflat	01:44	7			LRS2	cal							Yes
lrs20000002_01	skyflat	01:45	10			LRS2	cal							Yes
lrs20000003_01	skyflat	01:46	13			LRS2	cal							Yes
lrs20000004_01	skyflat	01:47	16			LRS2	cal							Yes
lrs20000005_01	skyflat	01:49	22			LRS2	cal							Yes
lrs20000006_01	skyflat	01:50	30			LRS2	cal							Yes
virus0000001_01	skyflat	01:53	7			VIRUS	cal							Yes
virus0000002_01	skyflat	01:54	10			VIRUS	cal							Yes
virus0000003_01	skyflat	01:55	14			VIRUS	cal							Yes
virus0000004_01	skyflat	01:57	18			VIRUS	cal							Yes
virus0000005_01	skyflat	01:58	26			VIRUS	cal							Yes
0002	LFC Cal	02:00	106.5			HPF	cal							Yes
0003	LFC Cal	02:02	106.5			HPF	cal							Yes
0004	LFC Cal	02:05	106.5			HPF	cal							Yes
lrs20000007_01	HD180609_056_E	02:47	30	4.5		LRS2	spec	1.89	1.11	21.58	0.55			Yes
lrs20000008_01	HD180609_066_E	02:50	30	2.5		LRS2	spec	1.90		20.77	0.71			Yes
0005	LFC Cal	02:59	106.5			HPF	cal							Yes
virus0000006_01	parallel	02:59	4200			VIRUS	sci							Yes
lrs20000009_01	QID 2344	02:59	4200	8.0	M25-3-005	LRS2-R	sci	1.32	0.95	20.85	0.69			Yes
0006	LFC Cal	03:01	106.5			HPF	cal							Yes
0007	LFC Cal	03:04	106.5			HPF	cal							Yes
0008	test_drk_donotuse	04:14	10.7			HPF	cal							Yes
0009	GJ_699	04:16	202.3	6.6	ENG25-3-000	HPF	eng	1.37	0.76	20.28	0.59	459		Yes
virus0000007_01	parallel	04:16	2391			VIRUS	eng							Yes
0010	GJ_699	04:20	202.3	0.6	ENG25-3-000	HPF	eng	1.31	0.81	20.21	0.53	477		Yes
0011	GJ_699	04:24	202.3	0.6	ENG25-3-000	HPF	eng	1.31	0.76	20.19	0.50	448		Yes
0012	GJ_699	04:28	202.3	0.6	ENG25-3-000	HPF	eng	1.27	0.72	20.22	0.54	496		Yes
0013	GJ_699	04:32	202.3	0.6	ENG25-3-000	HPF	eng	1.26	0.69	20.25	0.61	547		Yes
0014	GJ_699	04:36	202.3	0.6	ENG25-3-000	HPF	eng	1.25	0.77	20.31	0.69	594		Yes
0015	GJ_699	04:40	202.3	0.6	ENG25-3-000	HPF	eng	1.26	0.71	20.28	0.60	538		Yes
0016	GJ_699	04:44	202.3	0.6	ENG25-3-000	HPF	eng	1.28	0.82	20.24	0.60	494		Yes
0017	GJ_699	04:48	202.3	0.6	ENG25-3-000	HPF	eng	1.29	0.82	20.19	0.61	470		Yes
0018	GJ_699	04:52	202.3	0.6	ENG25-3-000	HPF	eng	1.31	0.85	20.10	0.62	427		Yes
0019	LFC Cal	04:57	106.5			HPF	cal							Yes
0020	LFC Cal	05:03	106.5			HPF	cal							Yes
lrs20000010_01	QID 2323	05:03	240	8.0	UT25-3-010	LRS2-B	sci	1.26	0.77	21.86	0.51			Yes
0021	LFC Cal	05:14	106.5			HPF	cal							Yes
virus0000008_01	parallel	05:14	3400			VIRUS	sci							Yes
lrs20000011_01	QID 946	05:14	3400	7.3	UT25-3-014	LRS2-B	sci	1.25	0.75	21.66	0.51			Yes
0022	LFC Cal	05:16	106.5			HPF	cal							Yes
0023	LFC Cal	05:19	106.5			HPF	cal							Yes
lrs20000012_01	QID 22	06:16	150	5.5	PSU25-3-013	LRS2-B	sci	1.27	0.84	21.11	0.55			Yes
lrs20000012_02	QID 22	06:20	150	0.5	PSU25-3-013	LRS2-B	sci	1.32	0.80	21.09	0.60			Yes
virus0000009_01	parallel	06:27	450			VIRUS	sci							Yes
0024	LFC Cal	06:28	106.5			HPF	cal							Yes
lrs20000013_01	QID 14	06:28	450	5.5	PSU25-3-013	LRS2-B	sci	1.48	0.78	21.36	0.55			Yes
0025	LFC Cal	06:30	106.5			HPF	cal							Yes
0026	LFC Cal	06:32	106.5			HPF	cal							Yes
virus0000009_02	parallel	06:36	450			VIRUS	sci							Yes
lrs20000013_02	QID 14	06:36	450	1.5	PSU25-3-013	LRS2-B	sci	1.42	0.87	21.30	0.60			Yes
0027	LFC Cal	06:48	106.5			HPF	cal							Yes
lrs20000014_01	QID 17	06:48	450	3.5	PSU25-3-013	LRS2-B	sci	1.48	0.80	21.28	0.67			Yes
virus0000010_01	parallel	06:48	450			VIRUS	sci							Yes
0028	LFC Cal	06:50	106.5			HPF	cal							Yes
0029	LFC Cal	06:52	106.5			HPF	cal							Yes
virus0000010_02	parallel	06:56	450			VIRUS	sci							Yes
lrs20000014_02	QID 17	06:57	450	1.5	PSU25-3-013	LRS2-B	sci	1.20	0.67	21.27	0.70			Yes
virus0000011_01	parallel	07:07	450			VIRUS	sci							Yes
0030	LFC Cal	07:08	106.5			HPF	cal							Yes
lrs20000015_01	QID 10	07:08	450	3.5	PSU25-3-013	LRS2-B	sci	1.19	0.63	21.47	0.65			Yes
0031	LFC Cal	07:10	106.5			HPF	cal							Yes
0032	LFC Cal	07:12	106.5			HPF	cal							Yes
virus0000011_02	parallel	07:16	450			VIRUS	sci							Yes
lrs20000015_02	QID 10	07:16	450	1.5	PSU25-3-013	LRS2-B	sci	1.29	0.66	21.43	0.66			Yes
lrs20000016_01	QID 29	07:29	150	4.5	PSU25-3-013	LRS2-B	sci	1.27	0.68	21.87	0.54			Yes
lrs20000016_02	QID 29	07:32	150	1.5	PSU25-3-013	LRS2-B	sci	1.23	0.68	21.85	0.56			Yes
virus0000012_01	parallel	07:43	360			VIRUS	sci							Yes
0033	LFC Cal	07:44	106.5			HPF	cal							Yes
lrs20000017_01	QID 2065	07:44	360	9.0	UT25-3-010	LRS2-B	sci	1.25	0.66	21.97	0.81			No
0034	LFC Cal	07:46	106.5			HPF	cal							Yes
virus0000013_01	QID 987	07:59	360	9.0	UT25-3-012	VIRUS	sci	1.20	0.62	21.90	0.85			Yes
virus0000013_02	QID 987	08:06	360	1.0	UT25-3-012	VIRUS	sci	1.28	0.63	21.88	0.87			Yes
virus0000013_03	QID 987	08:14	360	2.0	UT25-3-012	VIRUS	sci	1.28	0.64	21.71	0.84			Yes
virus0000014_01	QID 1604	08:23	360	3.0	PSU25-3-007	VIRUS	sci	1.36	0.55	21.78	0.85			Yes
virus0000014_02	QID 1604	08:30	360	1.0	PSU25-3-007	VIRUS	sci	1.38	0.62	21.77	0.87			Yes
virus0000014_03	QID 1604	08:37	360	1.0	PSU25-3-007	VIRUS	sci	1.37	0.62	21.79	0.86			Yes
lrs20000018_01	parallel	08:50	360			LRS2	sci							Yes
virus0000016_01	QID 1137	08:50	360	7.0	PSU25-3-007	VIRUS	sci	1.36		21.84	0.78			Yes
0035	LFC Cal	08:51	106.5			HPF	cal							Yes
0036	LFC Cal	08:53	106.5			HPF	cal							Yes
lrs20000018_02	parallel	08:58	360			LRS2	sci							Yes
virus0000016_02	QID 1137	08:58	360	2.0	PSU25-3-007	VIRUS	sci	1.33		21.86	0.75			Yes
lrs20000018_03	parallel	09:05	360			LRS2	sci							Yes
virus0000016_03	QID 1137	09:05	360	1.0	PSU25-3-007	VIRUS	sci	1.29		21.87	0.74			Yes
lrs20000019_01	parallel	09:16	360			LRS2	sci							Yes
0037	LFC Cal	09:17	106.5			HPF	cal							Yes
virus0000017_01	QID 994	09:17	360	6.0	UT25-3-012	VIRUS	sci	1.30		21.81	0.84			Yes
0038	LFC Cal	09:19	106.5			HPF	cal							Yes
lrs20000019_02	parallel	09:24	360			LRS2	sci							Yes
virus0000017_02	QID 994	09:24	360	1.0	UT25-3-012	VIRUS	sci	1.32		21.78	0.84			Yes
lrs20000019_03	parallel	09:31	360			LRS2	sci							Yes
virus0000017_03	QID 994	09:31	360	1.0	UT25-3-012	VIRUS	sci	1.32		21.72	0.87			Yes
lrs20000020_01	parallel	09:41	360			LRS2	sci							Yes
virus0000018_01	QID 916	09:41	360	4.0	UT25-3-012	VIRUS	sci	1.28		22.01	0.76			Yes
0039	LFC Cal	09:42	106.5			HPF	cal							Yes
0040	LFC Cal	09:44	106.5			HPF	cal							Yes
lrs20000020_02	parallel	09:49	360			LRS2	sci							Yes
virus0000018_02	QID 916	09:49	360	2.0	UT25-3-012	VIRUS	sci	1.30		21.98	0.76			Yes
lrs20000020_03	parallel	09:56	360			LRS2	sci							Yes
virus0000018_03	QID 916	09:56	360	1.0	UT25-3-012	VIRUS	sci	1.35		21.99	0.76			Yes
lrs20000021_01	parallel	10:05	360			LRS2	sci							Yes
0041	LFC Cal	10:06	106.5			HPF	cal							Yes
virus0000019_01	QID 953	10:06	360	4.0	UT25-3-012	VIRUS	sci	1.61		21.87	0.82			Yes
0042	LFC Cal	10:08	106.5			HPF	cal							Yes
lrs20000021_02	parallel	10:13	360			LRS2	sci							Yes
virus0000019_02	QID 953	10:13	360	1.0	UT25-3-012	VIRUS	sci	1.45		21.81	0.82			Yes
lrs20000021_03	parallel	10:20	360			LRS2	sci							Yes
virus0000019_03	QID 953	10:20	360	1.0	UT25-3-012	VIRUS	sci	1.44		21.74	0.87			Yes
0043	LFC Cal	10:37	106.5			HPF	cal							Yes
0044	LFC Cal	10:39	106.5			HPF	cal							Yes
0045	LFC Cal	10:42	106.5			HPF	cal							Yes
lrs20000022_01	bias	10:48	0			LRS2	cal							Yes
virus0000020_01	bias	10:49	0			VIRUS	cal							Yes
virus0000021_01	Cd-A	10:54	15		ENG25-3-002	VIRUS	cal							Yes
virus0000022_01	Hg	10:55	15		ENG25-3-002	VIRUS	cal							Yes
0046	Dark	11:02	319.5			HPF	cal							Yes
0047	Quartz FCU	11:14	74.5			HPF	cal							Yes
0048	Quartz FCU	11:15	74.5			HPF	cal							Yes
0049	Quartz FCU	11:17	74.5			HPF	cal							Yes
0050	Quartz FCU	11:19	74.5			HPF	cal							Yes
0051	Quartz FCU	11:21	74.5			HPF	cal							Yes
0052	Quartz FCU	11:23	74.5			HPF	cal							Yes
0053	Quartz FCU	11:24	74.5			HPF	cal							Yes
0054	Alpha Bright Cal	11:27	85.2			HPF	cal							Yes
0055	Alpha Bright Cal	11:29	85.2			HPF	cal							Yes
0056	Alpha Bright Cal	11:31	85.2			HPF	cal							Yes
0057	Alpha Bright Cal	11:33	85.2			HPF	cal							Yes
0058	LFC FCU	11:35	106.5			HPF	cal							Yes
0059	LFC FCU	11:37	106.5			HPF	cal							Yes
0060	LFC FCU	11:40	106.5			HPF	cal							Yes
0061	LFC FCU	11:42	106.5			HPF	cal							Yes
0062	LFC FCU	11:44	106.5			HPF	cal							Yes
0063	LFC FCU	11:47	106.5			HPF	cal							Yes
0064	LFC Cal	11:50	106.5			HPF	cal							Yes
0065	LFC Cal	11:52	106.5			HPF	cal							Yes
0066	Etalon Cal	12:00	159.8			HPF	cal							Yes
0067	Etalon Cal	12:03	159.8			HPF	cal							Yes
0068	Etalon Cal	12:06	159.8			HPF	cal							Yes
0069	Etalon Cal	12:09	159.8			HPF	cal							Yes
0070	UNe Slave Cal	12:13	426			HPF	cal							Yes
0071	UNe Slave Cal	12:21	426			HPF	cal							Yes
0072	UNe Slave Cal	12:28	426			HPF	cal							Yes
0073	UNe Slave Cal	12:36	426			HPF	cal							Yes
0074	UNe Slave Cal	12:44	426			HPF	cal							Yes
0075	UNe Slave Cal	12:52	426			HPF	cal							Yes
0059	LFC Cal	21:39	106.5			HPF	cal							Yes
lrs20009900_01	bias	21:55	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	21:56	20			VIRUS	cal							Yes
virus0009901_01	bias	21:57	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	21:58	20			LRS2	cal							Yes
virus0009902_01	dark	21:59	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:00	38			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:02	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:03	15			LRS2	cal							Yes
0060	Dark	22:26	319.5			HPF	cal							Yes
0061	Quartz FCU	22:32	74.5			HPF	cal							Yes
0062	Quartz FCU	22:34	74.5			HPF	cal							Yes
0063	Quartz FCU	22:36	74.5			HPF	cal							Yes
0064	Quartz FCU	22:38	74.5			HPF	cal							Yes
0065	Quartz FCU	22:39	74.5			HPF	cal							Yes
0066	Quartz FCU	22:41	74.5			HPF	cal							Yes
0067	Quartz FCU	22:43	74.5			HPF	cal							Yes
0068	Alpha Bright Cal	22:45	85.2			HPF	cal							Yes
0069	Alpha Bright Cal	22:47	85.2			HPF	cal							Yes
0070	Alpha Bright Cal	22:49	85.2			HPF	cal							Yes
0071	Alpha Bright Cal	22:51	85.2			HPF	cal							Yes
0072	LFC FCU	22:54	106.5			HPF	cal							Yes
0073	LFC FCU	22:56	106.5			HPF	cal							Yes
0074	LFC Cal	22:59	106.5			HPF	cal							Yes
0075	LFC Cal	23:01	106.5			HPF	cal							Yes
0076	Etalon Cal	23:04	159.8			HPF	cal							Yes
0077	UNe Slave Cal	23:07	426			HPF	cal							Yes
lrs20000004_01	flat_Qth_R	23:09	15			LRS2	cal							Yes
lrs20000004_02	flat_Qth_R	23:10	15			LRS2	cal							Yes
lrs20000004_03	flat_Qth_R	23:12	15			LRS2	cal							Yes
lrs20000004_04	flat_Qth_R	23:13	15			LRS2	cal							Yes
lrs20000004_05	flat_Qth_R	23:14	15			LRS2	cal							Yes
0078	UNe Slave Cal	23:15	426			HPF	cal							Yes
lrs20000005_01	flat_ldls_long_B	23:15	20			LRS2	cal							Yes
lrs20000005_02	flat_ldls_long_B	23:17	20			LRS2	cal							Yes
lrs20000005_03	flat_ldls_long_B	23:18	20			LRS2	cal							Yes
lrs20000006_01	Cd-A_B	23:19	38			LRS2	cal							Yes
lrs20000006_02	Cd-A_B	23:21	38			LRS2	cal							Yes
0079	UNe Slave Cal	23:23	426			HPF	cal							Yes
lrs20000006_03	Cd-A_B	23:23	38			LRS2	cal							Yes
lrs20000007_01	FeAr_R	23:24	15			LRS2	cal							Yes
lrs20000007_02	FeAr_R	23:25	15			LRS2	cal							Yes
lrs20000007_03	FeAr_R	23:27	15			LRS2	cal							Yes
lrs20000008_01	Hg_R	23:28	20			LRS2	cal							Yes
lrs20000008_02	Hg_R	23:29	20			LRS2	cal							Yes
0080	UNe Slave Cal	23:30	426			HPF	cal							Yes
lrs20000008_03	Hg_R	23:31	20			LRS2	cal							Yes
lrs20000009_01	Hg_B	23:32	15			LRS2	cal							Yes
lrs20000009_02	Hg_B	23:33	15			LRS2	cal							Yes
lrs20000009_03	Hg_B	23:34	15			LRS2	cal							Yes
0081	UNe Slave Cal	23:38	426			HPF	cal							Yes
virus0000013_01	flat_ldls_long	23:41	15			VIRUS	cal							Yes
virus0000013_02	flat_ldls_long	23:42	15			VIRUS	cal							Yes
virus0000013_03	flat_ldls_long	23:44	15			VIRUS	cal							Yes
virus0000014_01	Cd-A	23:45	15			VIRUS	cal							Yes
0082	UNe Slave Cal	23:46	426			HPF	cal							Yes
virus0000014_02	Cd-A	23:46	15			VIRUS	cal							Yes
virus0000014_03	Cd-A	23:48	15			VIRUS	cal							Yes
virus0000015_01	Hg	23:49	15			VIRUS	cal							Yes
virus0000015_02	Hg	23:51	15			VIRUS	cal							Yes
virus0000015_03	Hg	23:52	15			VIRUS	cal							Yes
lrs20000010_01	bias	23:53	0			LRS2	cal							Yes
virus0000016_01	bias	23:53	0			VIRUS	cal							Yes
lrs20000010_02	bias	23:54	0			LRS2	cal							Yes
virus0000016_02	bias	23:54	0			VIRUS	cal							Yes
lrs20000010_03	bias	23:55	0			LRS2	cal							Yes
virus0000016_03	bias	23:55	0			VIRUS	cal							Yes
lrs20000010_04	bias	23:56	0			LRS2	cal							Yes
virus0000016_04	bias	23:56	0			VIRUS	cal							Yes
lrs20000010_05	bias	23:57	0			LRS2	cal							Yes
virus0000016_05	bias	23:57	0			VIRUS	cal							Yes
lrs20000010_06	bias	23:58	0			LRS2	cal							Yes
virus0000016_06	bias	23:58	0			VIRUS	cal							Yes
lrs20000010_07	bias	23:58	0			LRS2	cal							Yes
virus0000016_07	bias	23:59	0			VIRUS	cal							Yes
lrs20000010_08	bias	23:59	0			LRS2	cal							Yes