HET Night Report Reader

Civil Date	Ephemerides
2025-07-18	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	02:06	02:58	03:33	10:32	11:07	11:59	06:50	-
Night Length	6:59		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator
Sergey Rostopchin	Cassie Crowe

Overlaps
TO Overlap	RA Overlap
Nathan McReynolds	-

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
02:09	22.6	20.2	11:10	twilight	09:01
Total Time Open					9:01

Program	Night Priority	Science
03:33	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
02:32	03:07	0.44	0.68	184	+1287	22.1	21.1	20.8	144	11	First of Night
10:59	11:06	1.06	1.41	194	+2266	18.1	18.7	18.8	190	17	Post-Observing

Problem Reports					no PRs

TO Comments	Clear night. Tracker worked fine.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
0001	LFC Cal	00:26	106.5			HPF	cal							Yes
lrs20009900_01	bias	00:37	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	00:38	20			VIRUS	cal							Yes
virus0009901_01	bias	00:39	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	00:40	20			LRS2	cal							Yes
virus0009902_01	dark	00:41	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	00:42	38			LRS2	cal							Yes
lrs20009903_01	FeAr_R	00:44	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	00:45	15			LRS2	cal							Yes
0002	Dark	00:47	319.5			HPF	cal							Yes
0003	Quartz FCU	00:54	74.5			HPF	cal							Yes
0004	Quartz FCU	00:56	74.5			HPF	cal							Yes
0005	Quartz FCU	00:58	74.5			HPF	cal							Yes
0006	Quartz FCU	00:59	74.5			HPF	cal							Yes
0007	Quartz FCU	01:01	74.5			HPF	cal							Yes
0008	Quartz FCU	01:03	74.5			HPF	cal							Yes
0009	Quartz FCU	01:05	74.5			HPF	cal							Yes
0010	Alpha Bright Cal	01:07	85.2			HPF	cal							Yes
0011	Alpha Bright Cal	01:09	85.2			HPF	cal							Yes
0012	Alpha Bright Cal	01:11	85.2			HPF	cal							Yes
0013	Alpha Bright Cal	01:13	85.2			HPF	cal							Yes
0014	LFC FCU	01:16	106.5			HPF	cal							Yes
0015	LFC FCU	01:18	106.5			HPF	cal							Yes
0016	LFC Cal	01:21	106.5			HPF	cal							Yes
0017	LFC Cal	01:23	106.5			HPF	cal							Yes
0018	Etalon Cal	01:26	159.8			HPF	cal							Yes
0019	UNe Slave Cal	01:29	426			HPF	cal							Yes
lrs20000001_01	flat_Qth_R	01:30	15			LRS2	cal							Yes
lrs20000001_02	flat_Qth_R	01:31	15			LRS2	cal							Yes
lrs20000001_03	flat_Qth_R	01:33	15			LRS2	cal							Yes
lrs20000001_04	flat_Qth_R	01:34	15			LRS2	cal							Yes
lrs20000001_05	flat_Qth_R	01:35	15			LRS2	cal							Yes
lrs20000002_01	flat_ldls_long_B	01:36	20			LRS2	cal							Yes
0020	UNe Slave Cal	01:37	426			HPF	cal							Yes
lrs20000002_02	flat_ldls_long_B	01:38	20			LRS2	cal							Yes
lrs20000002_03	flat_ldls_long_B	01:39	20			LRS2	cal							Yes
lrs20000003_01	Cd-A_B	01:40	38			LRS2	cal							Yes
lrs20000003_02	Cd-A_B	01:42	38			LRS2	cal							Yes
lrs20000003_03	Cd-A_B	01:43	38			LRS2	cal							Yes
0021	UNe Slave Cal	01:45	426			HPF	cal							Yes
lrs20000004_01	FeAr_R	01:45	15			LRS2	cal							Yes
lrs20000004_02	FeAr_R	01:46	15			LRS2	cal							Yes
lrs20000004_03	FeAr_R	01:47	15			LRS2	cal							Yes
lrs20000005_01	Hg_R	01:49	20			LRS2	cal							Yes
lrs20000005_02	Hg_R	01:50	20			LRS2	cal							Yes
lrs20000005_03	Hg_R	01:51	20			LRS2	cal							Yes
0022	UNe Slave Cal	01:52	426			HPF	cal							Yes
lrs20000006_01	Hg_B	01:53	15			LRS2	cal							Yes
lrs20000006_02	Hg_B	01:54	15			LRS2	cal							Yes
lrs20000006_03	Hg_B	01:55	15			LRS2	cal							Yes
lrs20000007_01	bias	01:57	0			LRS2	cal							Yes
virus0000001_01	bias	01:57	0			VIRUS	cal							Yes
lrs20000007_02	bias	01:57	0			LRS2	cal							Yes
virus0000001_02	bias	01:58	0			VIRUS	cal							Yes
lrs20000007_03	bias	01:58	0			LRS2	cal							Yes
virus0000001_03	bias	01:58	0			VIRUS	cal							Yes
lrs20000007_04	bias	01:59	0			LRS2	cal							Yes
virus0000001_04	bias	01:59	0			VIRUS	cal							Yes
lrs20000007_05	bias	02:00	0			LRS2	cal							Yes
0023	UNe Slave Cal	02:00	426			HPF	cal							Yes
virus0000001_05	bias	02:00	0			VIRUS	cal							Yes
lrs20000007_06	bias	02:01	0			LRS2	cal							Yes
virus0000001_06	bias	02:01	0			VIRUS	cal							Yes
lrs20000007_07	bias	02:02	0			LRS2	cal							Yes
lrs20000007_08	bias	02:02	0			LRS2	cal							Yes
virus0000001_07	bias	02:02	0			VIRUS	cal							Yes
virus0000001_08	bias	02:03	0			VIRUS	cal							Yes
lrs20000007_09	bias	02:03	0			LRS2	cal							Yes
virus0000001_09	bias	02:04	0			VIRUS	cal							Yes
lrs20000007_10	bias	02:04	0			LRS2	cal							Yes
virus0000001_10	bias	02:05	0			VIRUS	cal							Yes
lrs20000007_11	bias	02:05	0			LRS2	cal							Yes
virus0000001_11	bias	02:05	0			VIRUS	cal							Yes
0024	UNe Slave Cal	02:08	426			HPF	cal							Yes
lrs20000008_01	skyflat	02:12	7			LRS2	cal							Yes
lrs20000009_01	skyflat	02:13	10			LRS2	cal							Yes
lrs20000010_01	skyflat	02:14	13			LRS2	cal							Yes
lrs20000011_01	skyflat	02:15	16			LRS2	cal							Yes
lrs20000012_01	skyflat	02:17	22			LRS2	cal							Yes
lrs20000013_01	skyflat	02:18	30			LRS2	cal							Yes
virus0000002_01	skyflat	02:21	7			VIRUS	cal							Yes
virus0000003_01	skyflat	02:22	10			VIRUS	cal							Yes
virus0000004_01	skyflat	02:24	14			VIRUS	cal							Yes
virus0000005_01	skyflat	02:25	18			VIRUS	cal							Yes
virus0000006_01	skyflat	02:27	26			VIRUS	cal							Yes
virus0000007_01	flat_ldls_long	02:33	15			VIRUS	cal							Yes
virus0000007_02	flat_ldls_long	02:35	15			VIRUS	cal							Yes
virus0000007_03	flat_ldls_long	02:36	15			VIRUS	cal							Yes
virus0000008_01	Cd-A	02:38	15			VIRUS	cal							Yes
virus0000008_02	Cd-A	02:39	15			VIRUS	cal							Yes
virus0000008_03	Cd-A	02:40	15			VIRUS	cal							Yes
virus0000009_01	Hg	02:42	15			VIRUS	cal							Yes
virus0000009_02	Hg	02:43	15			VIRUS	cal							Yes
virus0000009_03	Hg	02:45	15			VIRUS	cal							Yes
lrs20000014_01	dark	02:46	360			LRS2	cal							Yes
virus0000010_01	dark	02:46	360			VIRUS	cal							Yes
lrs20000014_02	dark	02:53	360			LRS2	cal							Yes
virus0000010_02	dark	02:53	360			VIRUS	cal							Yes
lrs20000014_03	dark	03:00	360			LRS2	cal							Yes
virus0000010_03	dark	03:00	360			VIRUS	cal							Yes
virus0000011_01	1802271_034_E	03:14	60	4.0		VIRUS	spec	2.02		21.55	0.86			Yes
virus0000011_02	1802271_034_E	03:16	60	1.0		VIRUS	spec	1.91		21.67	0.87			Yes
virus0000011_03	1802271_034_E	03:18	60	1.0		VIRUS	spec	1.78		21.80	0.87			Yes
0025	test_drk_donotuse	03:23	10.7			HPF	cal							Yes
0026	HR5238_tell_std	03:25	117.2	6.0		HPF	telluric	1.54		20.32	0.79			Yes
lrs20000015_01	parallel	03:33	1000			LRS2	sci							Yes
virus0000012_01	parallel	03:33	1000	6.3	UT25-2-014	VIRUS	sci	1.97		22.39	0.87			Yes
0027	LFC Cal	03:34	106.5			HPF	cal							Yes
0028	LFC Cal	03:36	106.5			HPF	cal							Yes
0029	LFC Cal	03:38	106.5			HPF	cal							Yes
lrs20000015_02	parallel	03:51	1000			LRS2	sci							Yes
virus0000012_02	parallel	03:51	1000	1.3	UT25-2-014	VIRUS	sci	1.74		22.29	0.89			Yes
lrs20000015_03	parallel	04:09	1000			LRS2	sci							Yes
virus0000012_03	parallel	04:09	1000	1.3	UT25-2-014	VIRUS	sci	1.63		22.35	0.87			Yes
0030	LFC Cal	04:32	106.5			HPF	cal							Yes
lrs20000016_01	parallel	04:32	360			LRS2	sci							Yes
virus0000013_01	parallel	04:32	360	6.0	UT25-2-017	VIRUS	sci	1.53		22.38	0.85			Yes
0031	LFC Cal	04:34	106.5			HPF	cal							Yes
lrs20000016_02	parallel	04:39	360			LRS2	sci							Yes
virus0000013_02	parallel	04:39	360	1.0	UT25-2-017	VIRUS	sci	1.48		22.38	0.84			Yes
lrs20000016_03	parallel	04:46	360			LRS2	sci							Yes
virus0000013_03	parallel	04:46	360	1.0	UT25-2-017	VIRUS	sci	1.45		22.36	0.84			Yes
lrs20000017_01	parallel	04:55	360			LRS2	sci							Yes
virus0000014_01	parallel	04:55	360	3.0	UT25-2-017	VIRUS	sci	1.43		22.34	0.80			Yes
0032	LFC Cal	04:56	106.5			HPF	cal							Yes
0033	LFC Cal	04:58	106.5			HPF	cal							Yes
lrs20000017_02	parallel	05:03	360			LRS2	sci							Yes
virus0000014_02	parallel	05:03	360	2.0	UT25-2-017	VIRUS	sci	1.46		22.30	0.78			Yes
lrs20000017_03	parallel	05:10	360			LRS2	sci							Yes
virus0000014_03	parallel	05:10	360	1.0	UT25-2-017	VIRUS	sci	1.36		22.29	0.78			Yes
0034	test_drk_donotuse	05:22	10.7			HPF	cal							Yes
0035	parallel	05:23	340.8	7.3	PSU25-2-006	HPF	sci	1.20		20.76	0.89	516		Yes
virus0000015_01	parallel	05:23	374			VIRUS	sci							Yes
0036	LFC Cal	05:35	106.5			HPF	cal							Yes
virus0000016_01	parallel	05:35	366.7			VIRUS	sci							Yes
lrs20000018_01	parallel	05:35	366.7	5.9	M25-2-010	LRS2-B	sci	1.80		22.25	0.83			Yes
0037	LFC Cal	05:38	106.5			HPF	cal							Yes
virus0000016_02	parallel	05:42	366.7			VIRUS	sci							Yes
lrs20000018_02	parallel	05:42	366.7	1.9	M25-2-010	LRS2-B	sci	1.84		22.23	0.84			Yes
virus0000016_03	parallel	05:50	366.7			VIRUS	sci							Yes
lrs20000018_03	parallel	05:50	366.7	0.9	M25-2-010	LRS2-B	sci	1.70		22.24	0.84			Yes
0038	LFC Cal	06:00	106.5			HPF	cal							Yes
virus0000017_01	parallel	06:00	366.7			VIRUS	sci							Yes
lrs20000019_01	parallel	06:00	366.7	3.9	M25-2-010	LRS2-R	sci	1.53		21.16	0.96			Yes
0039	LFC Cal	06:02	106.5			HPF	cal							Yes
virus0000017_02	parallel	06:07	366.7			VIRUS	sci							Yes
lrs20000019_02	parallel	06:07	366.7	1.9	M25-2-010	LRS2-R	sci	1.67		21.17	0.94			Yes
virus0000017_03	parallel	06:15	366.7			VIRUS	sci							Yes
lrs20000019_03	parallel	06:15	366.7	0.9	M25-2-010	LRS2-R	sci	1.79		21.17	0.91			Yes
virus0000018_01	parallel	06:26	1800			VIRUS	sci							Yes
0040	LFC Cal	06:27	106.5			HPF	cal							Yes
lrs20000020_01	parallel	06:27	1800	6.0	PSU25-2-004	LRS2-B	sci	1.85		21.97	0.85			Yes
0041	LFC Cal	06:29	106.5			HPF	cal							Yes
0042	LFC Cal	06:31	106.5			HPF	cal							Yes
0043	LFC Cal	07:01	106.5			HPF	cal							Yes
virus0000019_01	parallel	07:01	1200			VIRUS	sci							Yes
lrs20000021_01	parallel	07:01	1200	4.0	M25-2-005	LRS2-R	sci	1.43		20.99	0.98			Yes
0044	LFC Cal	07:03	106.5			HPF	cal							Yes
0045	LFC Cal	07:06	106.5			HPF	cal							Yes
0046	LFC Cal	07:25	106.5			HPF	cal							Yes
virus0000020_01	parallel	07:25	1200			VIRUS	sci							Yes
lrs20000022_01	parallel	07:25	1200	4.0	M25-2-005	LRS2-B	sci	1.44		21.65	0.64			Yes
0047	LFC Cal	07:27	106.5			HPF	cal							Yes
0048	LFC Cal	07:30	106.5			HPF	cal							Yes
0049	test_drk_donotuse	07:47	10.7			HPF	cal							Yes
0050	parallel	07:52	969.1	6.8	PSU25-2-015	HPF	sci	1.32		20.00	0.96	141		Yes
virus0000021_01	parallel	07:52	2047			VIRUS	sci							Yes
0051	parallel	08:09	969.1	1.8	PSU25-2-015	HPF	sci	1.25		19.86	0.95	129		Yes
0052	LFC Cal	08:27	106.5			HPF	cal							Yes
0053	test_drk_donotuse	08:30	10.7			HPF	cal							Yes
0054	parallel	08:32	969.1	6.8	UT25-2-023	HPF	sci	1.23		20.23	0.81	34		Yes
virus0000022_01	parallel	08:32	2047			VIRUS	sci							Yes
0055	parallel	08:50	969.1	0.8	UT25-2-023	HPF	sci	1.27		20.17	0.81	32		Yes
0056	test_drk_donotuse	09:08	10.7			HPF	cal							Yes
0057	parallel	09:11	969.1	5.8	UT25-2-023	HPF	sci	1.46		20.44	0.68	42		Yes
virus0000023_01	parallel	09:11	2047			VIRUS	sci							Yes
0058	parallel	09:28	969.1	0.8	UT25-2-023	HPF	sci	1.55		20.35	0.77	46		Yes
virus0000024_01	parallel	09:54	804			VIRUS	sci							Yes
0059	LFC Cal	09:55	106.5			HPF	cal							Yes
lrs20000023_01	parallel	09:55	804	9.6	G25-2-001	LRS2-B	sci	1.67		20.86	0.75			Yes
0060	LFC Cal	09:57	106.5			HPF	cal							Yes
0061	LFC Cal	10:00	106.5			HPF	cal							Yes
lrs20000024_01	FEIGE110_056_E	10:12	60	4.0		LRS2	spec	1.88		20.83	0.89			Yes
lrs20000025_01	FEIGE110_066_E	10:15	120	2.0		LRS2	spec	1.87		20.36	1.07			Yes
0062	LFC Cal	10:19	106.5			HPF	cal							Yes
0063	parallel	10:24	191.7	6.8	UT25-2-020	HPF	sci	1.84		19.26	0.63	140		Yes
0064	LFC Cal	10:29	106.5			HPF	cal							Yes
0065	test_drk_donotuse	10:31	10.7			HPF	cal							Yes
0066	parallel	10:33	969.1	6.8	PSU25-2-008	HPF	sci	1.78		20.06	0.82	39		Yes
virus0000025_01	parallel	10:33	1023			VIRUS	sci							Yes
0067	LFC Cal	10:51	106.5			HPF	cal							Yes
0068	test_drk_donotuse	10:54	10.7			HPF	cal							Yes
0069	parallel	10:57	95.9	6.4	PSU25-2-005	HPF	sci	1.85		19.95	0.86	374		P4
lrs20000026_01	bias	11:00	0			LRS2	cal							Yes
virus0000026_01	bias	11:01	0			VIRUS	cal							Yes
virus0000027_01	Cd-A	11:05	15		ENG25-2-002	VIRUS	cal							Yes
virus0000028_01	Hg	11:06	15		ENG25-2-002	VIRUS	cal							Yes
0070	Dark	11:14	319.5			HPF	cal							Yes
0071	Quartz FCU	11:25	74.5			HPF	cal							Yes
0072	Quartz FCU	11:27	74.5			HPF	cal							Yes
0073	Quartz FCU	11:29	74.5			HPF	cal							Yes
0074	Quartz FCU	11:30	74.5			HPF	cal							Yes
0075	Quartz FCU	11:32	74.5			HPF	cal							Yes
0076	Quartz FCU	11:34	74.5			HPF	cal							Yes
0077	Quartz FCU	11:36	74.5			HPF	cal							Yes
0078	Alpha Bright Cal	11:38	85.2			HPF	cal							Yes
0079	Alpha Bright Cal	11:40	85.2			HPF	cal							Yes
0080	Alpha Bright Cal	11:42	85.2			HPF	cal							Yes
0081	Alpha Bright Cal	11:44	85.2			HPF	cal							Yes
0082	LFC FCU	11:47	106.5			HPF	cal							Yes
0083	LFC FCU	11:49	106.5			HPF	cal							Yes
0084	LFC FCU	11:51	106.5			HPF	cal							Yes
0085	LFC FCU	11:54	106.5			HPF	cal							Yes
0086	LFC FCU	11:56	106.5			HPF	cal							Yes
0087	LFC FCU	11:58	106.5			HPF	cal							Yes
0088	LFC Cal	12:01	106.5			HPF	cal							Yes
0089	LFC Cal	12:03	106.5			HPF	cal							Yes
0090	Etalon Cal	12:11	159.8			HPF	cal							Yes
0091	Etalon Cal	12:14	159.8			HPF	cal							Yes
0092	Etalon Cal	12:18	159.8			HPF	cal							Yes
0093	Etalon Cal	12:21	159.8			HPF	cal							Yes
0094	UNe Slave Cal	12:24	426			HPF	cal							Yes
0095	UNe Slave Cal	12:32	426			HPF	cal							Yes
0096	UNe Slave Cal	12:40	426			HPF	cal							Yes
0097	UNe Slave Cal	12:48	426			HPF	cal							Yes
0098	UNe Slave Cal	12:55	426			HPF	cal							Yes
0099	UNe Slave Cal	13:03	426			HPF	cal							Yes