HET Night Report Reader

Civil Date	Ephemerides
2025-02-25	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	00:59	01:44	02:12	12:05	12:33	13:18	12:35	22:38
Night Length	9:53		Sunset Temperature

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

Overlaps
TO Overlap	RA Overlap
Cassie Crowe	-

Other Personnel	Herman Kriel, Chien-Hsiu Lee, Amy Ray

Guests	Jan Snigula, Philip MacQueen, Devika, VIP tour

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
00:55	18.1	16.4	12:30	twilight	11:35
Total Time Open					11:35

Program	Night Priority	Science
02:12	Science
07:01	Idle due to weather (clouds)
08:50	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
01:24	01:46	0.43	0.66	210	+2738	17.8	16.6	16.6	273	10	First of Night
12:13	12:29	0.98	1.71	440	+4470	14.6	15.2	15.1	287	11	Post-Observing

Problem Reports					no PRs

TO Comments	Clear and calm night with stable temperatures. Possible search and rescue flight making passes between mountains to northeast and southeast, over Limpia crossing, since around 4 local time.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
virus0000031_03	flat_ldls_long	00:00	15			VIRUS	cal							Yes
virus0000032_01	Cd-A	00:01	15			VIRUS	cal							Yes
virus0000032_02	Cd-A	00:03	15			VIRUS	cal							Yes
virus0000032_03	Cd-A	00:04	15			VIRUS	cal							Yes
virus0000033_01	Hg	00:06	15			VIRUS	cal							Yes
virus0000033_02	Hg	00:07	15			VIRUS	cal							Yes
virus0000033_03	Hg	00:08	15			VIRUS	cal							Yes
lrs20000001_01	bias	00:10	0			LRS2	cal							Yes
virus0000001_01	bias	00:10	0			VIRUS	cal							Yes
lrs20000001_02	bias	00:11	0			LRS2	cal							Yes
virus0000001_02	bias	00:11	0			VIRUS	cal							Yes
lrs20000001_03	bias	00:11	0			LRS2	cal							Yes
virus0000001_03	bias	00:12	0			VIRUS	cal							Yes
lrs20000001_04	bias	00:12	0			LRS2	cal							Yes
virus0000001_04	bias	00:12	0			VIRUS	cal							Yes
lrs20000001_05	bias	00:13	0			LRS2	cal							Yes
virus0000001_05	bias	00:13	0			VIRUS	cal							Yes
lrs20000001_06	bias	00:14	0			LRS2	cal							Yes
virus0000001_06	bias	00:14	0			VIRUS	cal							Yes
lrs20000001_07	bias	00:15	0			LRS2	cal							Yes
virus0000001_07	bias	00:15	0			VIRUS	cal							Yes
lrs20000001_08	bias	00:16	0			LRS2	cal							Yes
virus0000001_08	bias	00:16	0			VIRUS	cal							Yes
lrs20000001_09	bias	00:17	0			LRS2	cal							Yes
virus0000001_09	bias	00:17	0			VIRUS	cal							Yes
lrs20000001_10	bias	00:17	0			LRS2	cal							Yes
lrs20000001_11	bias	00:18	0			LRS2	cal							Yes
virus0000001_10	bias	00:18	0			VIRUS	cal							Yes
virus0000001_11	bias	00:19	0			VIRUS	cal							Yes
lrs20000002_01	dark	00:19	360			LRS2	cal							Yes
virus0000002_01	dark	00:19	360			VIRUS	cal							Yes
lrs20000002_02	dark	00:26	360			LRS2	cal							Yes
virus0000002_02	dark	00:26	360			VIRUS	cal							Yes
lrs20000002_03	dark	00:33	360			LRS2	cal							Yes
virus0000002_03	dark	00:33	360			VIRUS	cal							Yes
0001	twilight	00:56	298.2			HPF	cal							Yes
lrs20000003_01	skyflat	01:03	7			LRS2	cal							Yes
lrs20000004_01	skyflat	01:04	10			LRS2	cal							Yes
lrs20000005_01	skyflat	01:05	13			LRS2	cal							Yes
lrs20000006_01	skyflat	01:07	16			LRS2	cal							Yes
lrs20000007_01	skyflat	01:08	22			LRS2	cal							Yes
lrs20000008_01	skyflat	01:09	30			LRS2	cal							Yes
virus0000003_01	skyflat	01:12	7			VIRUS	cal							Yes
virus0000004_01	skyflat	01:13	10			VIRUS	cal							Yes
virus0000005_01	skyflat	01:14	14			VIRUS	cal							Yes
virus0000006_01	skyflat	01:16	18			VIRUS	cal							Yes
virus0000007_01	skyflat	01:17	26			VIRUS	cal							Yes
0002	LFC Cal	01:27	106.5			HPF	cal							Yes
0003	LFC Cal	01:29	106.5			HPF	cal							Yes
0004	LFC Cal	01:31	106.5			HPF	cal							Yes
0005	test_drk_donotuse	01:47	10.7			HPF	cal							Yes
0006	parallel	01:51	436.7	4.7	UT25-1-006	HPF	sci	1.53	0.94	19.65	0.91	174		Yes
virus0000008_01	parallel	01:51	484			VIRUS	sci							Yes
0007	test_drk_donotuse	02:02	10.7			HPF	cal							Yes
virus0000009_01	parallel	02:03	407			VIRUS	sci							Yes
0008	parallel	02:04	362.1	6.0	UT25-1-006	HPF	sci	1.53	0.92	20.00	1.04	172		Yes
0009	test_drk_donotuse	02:14	10.7			HPF	cal							Yes
0010	parallel	02:15	149.1	5.5	UT25-1-006	HPF	sci	1.50	0.85	20.07	0.96	166		Yes
0011	test_drk_donotuse	02:19	10.7			HPF	cal							Yes
0012	parallel	02:26	213	8.5	UT25-1-006	HPF	sci	1.54	0.80	20.27	1.08	160		Yes
0013	LFC Cal	02:32	106.5			HPF	cal							Yes
0014	parallel	02:35	149.1	5.5	UT25-1-006	HPF	sci	1.50	0.85	20.21	1.01	172		Yes
0015	LFC Cal	02:39	106.5			HPF	cal							Yes
0016	test_drk_donotuse	02:43	10.7			HPF	cal							Yes
0017	parallel	02:44	191.7	5.8	UT25-1-006	HPF	sci	1.47	0.92	20.28	0.95	183		Yes
0018	test_drk_donotuse	02:50	10.7			HPF	cal							Yes
0019	parallel	02:52	191.7	4.8	UT25-1-006	HPF	sci	1.48	0.90	20.27	0.90	181		Yes
0020	test_drk_donotuse	02:56	10.7			HPF	cal							Yes
0021	HR1183_tell_std	03:03	330.2	7.5		HPF	telluric	1.38	0.80	20.11	0.87			Yes
lrs20000009_01	BD+210607_056_W	03:13	30	4.5		LRS2	spec	1.66		21.17	0.98			Yes
lrs20000010_01	BD+210607_066_W	03:17	15	3.8		LRS2	spec	1.48	0.94	20.31	1.07			Yes
0022	LFC Cal	03:22	106.5			HPF	cal							Yes
0023	parallel	03:25	32	7.5	UT25-1-012	HPF	sci	1.43	0.97	20.42	0.94	-0		P4
0024	LFC Cal	03:26	106.5			HPF	cal							Yes
0025	LFC Cal	03:31	106.5			HPF	cal							Yes
lrs20000011_01	parallel	03:31	600			LRS2	sci							Yes
virus0000010_01	parallel	03:31	600	6.0	UT25-1-008	VIRUS	sci	1.58	0.94	21.52	0.94			Yes
0026	LFC Cal	03:33	106.5			HPF	cal							Yes
0027	LFC Cal	03:35	106.5			HPF	cal							Yes
lrs20000011_02	parallel	03:42	600			LRS2	sci							Yes
virus0000010_02	parallel	03:42	600	1.0	UT25-1-008	VIRUS	sci	1.52	0.89	21.52	0.93			Yes
lrs20000011_03	parallel	03:53	600			LRS2	sci							Yes
virus0000010_03	parallel	03:53	600	1.0	UT25-1-008	VIRUS	sci	1.38	0.93	21.51	0.95			Yes
0028	LFC Cal	04:04	106.5			HPF	cal							Yes
0029	parallel	04:10	969.1	6.8	PSU25-1-016	HPF	sci	1.67	0.90	20.29	1.00	396		Yes
virus0000011_01	parallel	04:10	2047			VIRUS	sci							Yes
0030	parallel	04:27	969.1	0.8	PSU25-1-016	HPF	sci	1.53	0.78	20.27	1.02	455		Yes
0031	LFC Cal	04:45	106.5			HPF	cal							Yes
0032	parallel	04:50	436.7	6.7	UT25-1-006	HPF	sci	1.45	0.87	20.17	0.93	165		Yes
virus0000012_01	parallel	04:50	484			VIRUS	sci							Yes
0033	LFC Cal	05:01	106.5			HPF	cal							Yes
virus0000013_01	parallel	05:06	2047			VIRUS	sci							Yes
0034	parallel	05:07	969.1	9.8	UT25-1-010	HPF	sci	1.51	0.69	20.50	0.73	80		Yes
0035	parallel	05:24	969.1	0.8	UT25-1-010	HPF	sci	1.62	0.86	20.49	0.69	71		Yes
0036	LFC Cal	05:43	106.5			HPF	cal							Yes
0037	parallel	05:48	649.6	8.2	PSU25-1-013	HPF	sci	1.44	0.75	20.20	0.95	204		Yes
virus0000014_01	parallel	05:48	2083			VIRUS	sci							Yes
0038	parallel	06:00	649.6	1.2	PSU25-1-013	HPF	sci	1.44	0.71	20.17	0.99	224		Yes
0039	parallel	06:11	649.6	0.2	PSU25-1-013	HPF	sci	1.45	0.71	20.16	0.99	228		Yes
0040	LFC Cal	06:29	106.5			HPF	cal							Yes
lrs20000012_01	parallel	06:29	600			LRS2	sci							Yes
virus0000015_01	parallel	06:29	600	7.0	UT25-1-008	VIRUS	sci	1.57	0.85	21.58	0.95		clouds during last split. check quality	Yes
0041	LFC Cal	06:31	106.5			HPF	cal							Yes
0042	LFC Cal	06:34	106.5			HPF	cal							Yes
lrs20000012_02	parallel	06:40	600			LRS2	sci							Yes
virus0000015_02	parallel	06:40	600	1.0	UT25-1-008	VIRUS	sci	1.49	0.94	21.50	0.80			Yes
lrs20000012_03	parallel	06:51	600			LRS2	sci							Yes
virus0000015_03	parallel	06:51	600	1.0	UT25-1-008	VIRUS	sci	1.35	0.78	21.38	0.75			Yes
0043	LFC Cal	07:03	106.5			HPF	cal							Yes
virus0000016_01	parallel	07:06	1023			VIRUS	sci							Yes
0044	parallel	07:07	969.1	5.8	PSU25-1-011	HPF	sci	1.51	0.74	20.12	0.56	132	clouds	No
0045	test_drk_donotuse	07:28	10.7			HPF	cal							Yes
lrs20000013_01	parallel	07:35	600			LRS2	sci							Yes
0046	LFC Cal	07:36	106.5			HPF	cal							Yes
virus0000017_01	parallel	07:36	600	5.0	UT25-1-015	VIRUS	sci	1.54		21.43	0.71		clouds	No
0047	LFC Cal	07:38	106.5			HPF	cal							Yes
0048	LFC Cal	07:41	106.5			HPF	cal							Yes
lrs20000013_02	parallel	07:47	600			LRS2	sci							Yes
virus0000017_02	parallel	07:47	600	1.0	UT25-1-015	VIRUS	sci	1.58		21.39	0.56			No
lrs20000013_03	parallel	07:58	600			LRS2	sci							Yes
virus0000017_03	parallel	07:58	600	1.0	UT25-1-015	VIRUS	sci	1.58		21.39	0.66			No
0049	LFC Cal	08:10	106.5			HPF	cal							Yes
0050	parallel	08:17	969.1	8.8	UT25-1-024	HPF	sci	1.78		20.34	0.84	45	variable clouds cover	No
virus0000018_01	parallel	08:17	2047			VIRUS	sci							Yes
0051	parallel	08:34	969.1	0.8	UT25-1-024	HPF	sci	1.69	0.94	20.39	0.64	45		No
0052	LFC Cal	08:53	106.5			HPF	cal							Yes
virus0000019_01	parallel	08:58	2083			VIRUS	sci							Yes
0053	parallel	08:59	649.6	8.2	UT25-1-010	HPF	sci	1.75	0.92	20.04	0.94	358		Yes
0054	parallel	09:10	649.6	1.2	UT25-1-010	HPF	sci	1.65	0.93	20.02	0.96	353		Yes
0055	parallel	09:22	649.6	1.2	UT25-1-010	HPF	sci	1.67	1.01	19.90	1.00	294		Yes
virus0000020_01	P177D_034_E	09:41	60	8.0		VIRUS	spec	1.73	0.98	21.56	0.85			Yes
virus0000020_02	P177D_034_E	09:43	60	1.0		VIRUS	spec	1.73	1.10	21.54	0.84			Yes
virus0000020_03	P177D_034_E	09:45	60	1.0		VIRUS	spec	1.71	0.99	21.56	0.85			Yes
0056	LFC Cal	09:51	106.5			HPF	cal							Yes
lrs20000014_01	parallel	09:51	1000			LRS2	sci							Yes
virus0000021_01	parallel	09:51	1000	4.3	UT25-1-008	VIRUS	sci	1.71	0.89	21.42	0.93			Yes
0057	LFC Cal	09:53	106.5			HPF	cal							Yes
0058	LFC Cal	09:55	106.5			HPF	cal							Yes
lrs20000014_02	parallel	10:09	1000			LRS2	sci							Yes
virus0000021_02	parallel	10:09	1000	1.3	UT25-1-008	VIRUS	sci	1.70	0.78	21.47	0.91			Yes
lrs20000014_03	parallel	10:26	1000			LRS2	sci							Yes
virus0000021_03	parallel	10:26	1000	1.3	UT25-1-008	VIRUS	sci	1.69	0.85	21.56	0.89			Yes
0059	LFC Cal	10:45	106.5			HPF	cal							Yes
0060	parallel	10:50	969.1	6.8	UT25-1-024	HPF	sci	1.60	0.88	19.95	0.97	16		Yes
virus0000022_01	parallel	10:50	2047			VIRUS	sci							Yes
0061	parallel	11:07	969.1	1.8	UT25-1-024	HPF	sci	1.60	0.88	19.87	0.98	15		Yes
0062	LFC Cal	11:26	106.5			HPF	cal							Yes
0063	parallel	11:31	969.1	6.8	PSU25-1-017	HPF	sci	1.64	0.84	19.88	1.00	154		Yes
virus0000023_01	parallel	11:31	2047			VIRUS	sci							Yes
0064	parallel	11:48	969.1	0.8	PSU25-1-017	HPF	sci	1.59	0.96	19.88	0.99	156		Yes
0065	LFC Cal	12:07	106.5			HPF	cal							Yes
0066	parallel	12:11	106.5	7.2	UT25-1-012	HPF	sci	1.88	0.81	19.92	0.93	124		P4
0067	LFC Cal	12:14	106.5			HPF	cal							Yes
0068	test_drk_donotuse	12:18	10.7			HPF	cal							Yes
0069	parallel	12:20	106.5	6.2	UT25-1-012	HPF	sci	1.74	0.91	19.65	0.98	283		P4
0070	LFC Cal	12:23	106.5			HPF	cal							Yes
lrs20000015_01	bias	12:26	0			LRS2	cal							Yes
virus0000024_01	bias	12:26	0			VIRUS	cal							Yes
virus0000025_01	Cd-A	12:31	15		ENG25-1-002	VIRUS	cal							Yes
virus0000026_01	Hg	12:32	15		ENG25-1-002	VIRUS	cal							Yes
0071	Dark	12:40	319.5			HPF	cal							Yes
0072	Quartz FCU	12:51	74.5			HPF	cal							Yes
0073	Quartz FCU	12:53	74.5			HPF	cal							Yes
0074	Quartz FCU	12:55	74.5			HPF	cal							Yes
0075	Quartz FCU	12:56	74.5			HPF	cal							Yes
0076	Quartz FCU	12:58	74.5			HPF	cal							Yes
0077	Quartz FCU	13:00	74.5			HPF	cal							Yes
0078	Quartz FCU	13:02	74.5			HPF	cal							Yes
0079	Alpha Bright Cal	13:04	85.2			HPF	cal							Yes
0080	Alpha Bright Cal	13:06	85.2			HPF	cal							Yes
0081	Alpha Bright Cal	13:08	85.2			HPF	cal							Yes
0082	Alpha Bright Cal	13:10	85.2			HPF	cal							Yes
0083	LFC FCU	13:13	106.5			HPF	cal							Yes
0084	LFC FCU	13:15	106.5			HPF	cal							Yes
0085	LFC FCU	13:17	106.5			HPF	cal							Yes
0086	LFC FCU	13:20	106.5			HPF	cal							Yes
0087	LFC FCU	13:22	106.5			HPF	cal							Yes
0088	LFC FCU	13:24	106.5			HPF	cal							Yes
0089	LFC Cal	13:27	106.5			HPF	cal							Yes
0090	LFC Cal	13:29	106.5			HPF	cal							Yes
0091	Etalon Cal	13:37	159.8			HPF	cal							Yes
0092	Etalon Cal	13:40	159.8			HPF	cal							Yes
0093	Etalon Cal	13:44	159.8			HPF	cal							Yes
0094	Etalon Cal	13:47	159.8			HPF	cal							Yes
0095	UNe Slave Cal	13:50	426			HPF	cal							Yes
0096	UNe Slave Cal	13:58	426			HPF	cal							Yes
0097	UNe Slave Cal	14:06	426			HPF	cal							Yes
0098	UNe Slave Cal	14:14	426			HPF	cal							Yes
0099	UNe Slave Cal	14:21	426			HPF	cal							Yes
0100	UNe Slave Cal	14:29	426			HPF	cal							Yes
0091	LFC Cal	22:03	106.5			HPF	cal							Yes
lrs20009900_01	bias	22:28	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	22:28	20			VIRUS	cal							Yes
virus0009901_01	bias	22:30	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	22:30	20			LRS2	cal							Yes
virus0009902_01	dark	22:32	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:33	38			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:35	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:36	15			LRS2	cal							Yes
0092	Dark	22:38	319.5			HPF	cal							Yes
0093	Quartz FCU	22:45	74.5			HPF	cal							Yes
0094	Quartz FCU	22:46	74.5			HPF	cal							Yes
0095	Quartz FCU	22:48	74.5			HPF	cal							Yes
0096	Quartz FCU	22:50	74.5			HPF	cal							Yes
0097	Quartz FCU	22:52	74.5			HPF	cal							Yes
0098	Quartz FCU	22:54	74.5			HPF	cal							Yes
0099	Quartz FCU	22:55	74.5			HPF	cal							Yes
0100	Alpha Bright Cal	22:58	85.2			HPF	cal							Yes
0101	Alpha Bright Cal	23:00	85.2			HPF	cal							Yes
0102	Alpha Bright Cal	23:02	85.2			HPF	cal							Yes
0103	Alpha Bright Cal	23:04	85.2			HPF	cal							Yes
0104	LFC FCU	23:06	106.5			HPF	cal							Yes
0105	LFC FCU	23:09	106.5			HPF	cal							Yes
0106	LFC Cal	23:11	106.5			HPF	cal							Yes
0107	LFC Cal	23:13	106.5			HPF	cal							Yes
0108	Etalon Cal	23:16	159.8			HPF	cal							Yes
0109	UNe Slave Cal	23:20	426			HPF	cal							Yes
lrs20000019_01	flat_Qth_R	23:25	15			LRS2	cal							Yes
lrs20000019_02	flat_Qth_R	23:26	15			LRS2	cal							Yes
0110	UNe Slave Cal	23:27	426			HPF	cal							Yes
lrs20000019_03	flat_Qth_R	23:28	15			LRS2	cal							Yes
lrs20000019_04	flat_Qth_R	23:29	15			LRS2	cal							Yes
lrs20000019_05	flat_Qth_R	23:30	15			LRS2	cal							Yes
lrs20000020_01	flat_ldls_long_B	23:31	20			LRS2	cal							Yes
lrs20000020_02	flat_ldls_long_B	23:33	20			LRS2	cal							Yes
lrs20000020_03	flat_ldls_long_B	23:34	20			LRS2	cal							Yes
0111	UNe Slave Cal	23:35	426			HPF	cal							Yes
lrs20000021_01	Cd-A_B	23:35	38			LRS2	cal							Yes
lrs20000021_02	Cd-A_B	23:37	38			LRS2	cal							Yes
lrs20000021_03	Cd-A_B	23:39	38			LRS2	cal							Yes
lrs20000022_01	FeAr_R	23:40	15			LRS2	cal							Yes
lrs20000022_02	FeAr_R	23:42	15			LRS2	cal							Yes
0112	UNe Slave Cal	23:43	426			HPF	cal							Yes
lrs20000022_03	FeAr_R	23:43	15			LRS2	cal							Yes
lrs20000023_01	Hg_R	23:44	20			LRS2	cal							Yes
lrs20000023_02	Hg_R	23:45	20			LRS2	cal							Yes
lrs20000023_03	Hg_R	23:47	20			LRS2	cal							Yes
lrs20000024_01	Hg_B	23:48	15			LRS2	cal							Yes
lrs20000024_02	Hg_B	23:49	15			LRS2	cal							Yes
lrs20000024_03	Hg_B	23:50	15			LRS2	cal							Yes
0113	UNe Slave Cal	23:51	426			HPF	cal							Yes
virus0000031_01	flat_ldls_long	23:57	15			VIRUS	cal							Yes
virus0000031_02	flat_ldls_long	23:58	15			VIRUS	cal							Yes
0114	UNe Slave Cal	23:59	426			HPF	cal							Yes