HET Night Report Reader

Civil Date	Ephemerides
2025-09-11	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:13	01:59	02:27	11:18	11:47	12:32	03:30	-
Night Length	8:51		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator
Amy Ray	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
01:08	21.4	21.2	12:02	twilight	10:54
Total Time Open					10:54

Program	Night Priority	Science
02:27	Science
06:55	Idle due to weather (Clouds)
08:03	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
01:39	02:39	0.42	0.64	170	+1863	19.0	19.9	20.2	120	13	First of Night
↪ Comments			6:2 covered
05:51	06:21	0.41	0.63	200	+3368	16.8	17.6	17.7	145	11	Stack/Re-stack
11:51	11:58	0.48	0.80	-20	+3744	16.0	16.5	16.6	194	15	Post-Observing

Problem Reports
PR Number	Times	Time Lost	Description	Response
6529	01:50-02:17	00:27	6:2 smoco issues	Called: Nicole Nicole came up and covered 6:2

TO Comments	Some thin clouds, otherwise clear.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
0001	twilight	01:10	298.2			HPF	cal					301		Yes
lrs20000001_01	skyflat	01:17	7			LRS2	cal							Yes
lrs20000002_01	skyflat	01:18	10			LRS2	cal							Yes
lrs20000003_01	skyflat	01:19	13			LRS2	cal							Yes
lrs20000004_01	skyflat	01:20	16			LRS2	cal							Yes
lrs20000005_01	skyflat	01:22	22			LRS2	cal							Yes
lrs20000006_01	skyflat	01:23	30			LRS2	cal							Yes
virus0000001_01	skyflat	01:26	7			VIRUS	cal							Yes
virus0000002_01	skyflat	01:27	10			VIRUS	cal							Yes
virus0000003_01	skyflat	01:28	14			VIRUS	cal							Yes
virus0000004_01	skyflat	01:30	18			VIRUS	cal							Yes
virus0000005_01	skyflat	01:31	26			VIRUS	cal							Yes
0002	LFC Cal	02:43	106.5			HPF	cal							Yes
lrs20000007_01	QID 116	02:43	180	4.0	PSU25-3-002	LRS2-B	sci	1.69	1.20	22.03	0.87			Yes
0003	LFC Cal	02:51	106.5			HPF	cal							Yes
virus0000006_01	parallel	02:51	1500			VIRUS	sci							Yes
lrs20000008_01	QID 2146	02:51	1500	5.0	UT25-3-010	LRS2-B	sci	2.01	1.05	21.47	0.79			Yes
0004	LFC Cal	02:53	106.5			HPF	cal							Yes
0005	LFC Cal	02:55	106.5			HPF	cal							Yes
virus0000006_02	parallel	03:17	1500			VIRUS	sci							Yes
lrs20000008_02	QID 2146	03:17	1500	1.0	UT25-3-010	LRS2-B	sci	2.50	1.94	21.39	0.74			Yes
lrs20000009_01	QID 191	03:47	360	5.0	UT25-3-015	LRS2-R	sci	2.33	1.69	20.38	0.95			P4
virus0000007_01	parallel	03:47	360			VIRUS	sci							Yes
0006	LFC Cal	03:48	106.5			HPF	cal							Yes
0007	LFC Cal	03:50	106.5			HPF	cal							Yes
lrs20000010_01	QID 120	03:59	120	6.0	PSU25-3-002	LRS2-B	sci	2.11	1.57	20.61	0.69			P4
0008	QID 1843	04:09	32	7.5	PSU25-3-008	HPF	sci	1.95	1.35	19.89	0.54	282		P4
virus0000008_01	parallel	04:14	3600			VIRUS	sci							Yes
lrs20000011_01	QID 2980	04:14	3600	5.0	UT25-3-004	LRS2-B	sci	1.77	0.90	19.94	0.74			Yes
0009	LFC Cal	04:15	106.5			HPF	cal							Yes
0010	LFC Cal	04:17	106.5			HPF	cal							Yes
0011	LFC Cal	04:19	106.5			HPF	cal							Yes
0012	LFC Cal	05:20	106.5			HPF	cal							Yes
virus0000009_01	parallel	05:20	1800			VIRUS	sci							Yes
lrs20000012_01	QID 2972	05:20	1800	6.0	UT25-3-001	LRS2-B	sci	1.85	0.94	19.89	0.74			Yes
0013	LFC Cal	05:22	106.5			HPF	cal							Yes
0014	LFC Cal	05:25	106.5			HPF	cal							Yes
0015	LFC Cal	06:25	106.5			HPF	cal							Yes
virus0000010_01	parallel	06:25	1800			VIRUS	sci							Yes
lrs20000013_01	QID 2973	06:25	1800	4.0	UT25-3-001	LRS2-R	sci	1.42	0.72	19.53	0.85			Yes
0016	LFC Cal	06:28	106.5			HPF	cal							Yes
0017	LFC Cal	06:30	106.5			HPF	cal							Yes
0018	LFC Cal	07:00	106.5			HPF	cal							Yes
virus0000011_01	parallel	07:00	2400			VIRUS	sci							Yes
lrs20000014_01	QID 2970	07:00	2400	5.0	UT25-3-004	LRS2-R	sci	1.29	0.96	17.30	0.35		Clouds lowered transparency and increased sky surface brightness.	No
0019	LFC Cal	07:02	106.5			HPF	cal							Yes
0020	LFC Cal	07:05	106.5			HPF	cal							Yes
lrs20000015_01	BD+174708_056_W	08:09	30	5.5		LRS2	spec	1.57	0.99	19.67	0.82			Yes
lrs20000016_01	BD+174708_066_W	08:11	30	2.5		LRS2	spec	1.45	0.97	19.60	0.96			Yes
0021	QID 1851	08:19	32	7.5	PSU25-3-008	HPF	sci	1.46	0.81	18.50	0.87	557		P4
0022	HR1056_tell_std	08:25	330.2	4.5		HPF	telluric	1.57	0.78	18.80	0.81			Yes
0023	QID 1846	08:38	42.6	8.3	PSU25-3-008	HPF	sci	1.27	0.76	19.15	0.72	604		P4
0024	LFC Cal	08:40	106.5			HPF	cal							Yes
0025	QID 2309	08:45	617.7	6.7	UT25-3-019	HPF	sci	1.30	0.70	17.97	0.69	62		P4
virus0000012_01	parallel	08:45	1984			VIRUS	sci							Yes
0026	QID 2309	08:56	617.7	0.7	UT25-3-019	HPF	sci	1.37	0.83	18.12	0.71	66		P4
0027	QID 2309	09:08	617.7	0.7	UT25-3-019	HPF	sci	1.47	1.00	17.99	0.70	58		P4
0028	LFC Cal	09:19	106.5			HPF	cal							Yes
0029	LFC Cal	09:22	106.5			HPF	cal							Yes
0030	QID 2989	09:25	969.1	6.8	UT25-3-009	HPF	sci	1.57	1.11	19.23	0.76	17	Seeing degraded slightly but SNR and transparency look good.	Yes
virus0000013_01	parallel	09:25	2047			VIRUS	sci							Yes
0031	QID 2989	09:42	969.1	0.8	UT25-3-009	HPF	sci	1.63	1.29	19.30	0.84	20		Yes
virus0000014_01	parallel	10:04	360			VIRUS	sci							Yes
0032	LFC Cal	10:05	106.5			HPF	cal							Yes
lrs20000017_01	QID 211	10:05	360	7.0	UT25-3-015	LRS2-R	sci	1.59	1.18	19.16	1.04			P4
0033	LFC Cal	10:07	106.5			HPF	cal							Yes
virus0000015_01	parallel	10:17	5305			VIRUS	sci							Yes
0034	QID 2242	10:18	830.7	7.2	UT25-3-008	HPF	sci	1.46	1.14	19.09	0.64	34		Yes
0035	QID 2242	10:32	830.7	0.2	UT25-3-008	HPF	sci	1.63	1.39	19.25	0.74	41		Yes
0036	QID 2242	10:47	830.7	1.2	UT25-3-008	HPF	sci	1.64	1.38	19.52	0.77	46		Yes
0037	QID 2242	11:02	830.7	1.2	UT25-3-008	HPF	sci	1.47	1.04	19.60	0.81	50		Yes
0038	QID 2242	11:17	830.7	1.2	UT25-3-008	HPF	sci	1.38	1.03	19.49	0.84	50		Yes
0039	QID 2242	11:32	830.7	0.2	UT25-3-008	HPF	sci	1.34	0.93	18.93	0.89	46		Yes
lrs20000018_01	bias	11:52	0			LRS2	cal							Yes
virus0000016_01	bias	11:53	0			VIRUS	cal							Yes
virus0000017_01	Cd-A	11:57	15		ENG25-3-002	VIRUS	cal							Yes
virus0000018_01	Hg	11:58	15		ENG25-3-002	VIRUS	cal							Yes
0040	Dark	12:03	319.5			HPF	cal							Yes
0041	Quartz FCU	12:14	74.5			HPF	cal							Yes
0042	Quartz FCU	12:16	74.5			HPF	cal							Yes
0043	Quartz FCU	12:18	74.5			HPF	cal							Yes
0044	Quartz FCU	12:19	74.5			HPF	cal							Yes
0045	Quartz FCU	12:21	74.5			HPF	cal							Yes
0046	Quartz FCU	12:23	74.5			HPF	cal							Yes
0047	Quartz FCU	12:25	74.5			HPF	cal							Yes
0048	Alpha Bright Cal	12:27	85.2			HPF	cal							Yes
0049	Alpha Bright Cal	12:29	85.2			HPF	cal							Yes
0050	Alpha Bright Cal	12:31	85.2			HPF	cal							Yes
0051	Alpha Bright Cal	12:33	85.2			HPF	cal							Yes
0052	LFC FCU	12:36	106.5			HPF	cal							Yes
0053	LFC FCU	12:38	106.5			HPF	cal							Yes
0054	LFC FCU	12:40	106.5			HPF	cal							Yes
0055	LFC FCU	12:42	106.5			HPF	cal							Yes
0056	LFC FCU	12:45	106.5			HPF	cal							Yes
0057	LFC FCU	12:47	106.5			HPF	cal							Yes
0058	LFC Cal	12:50	106.5			HPF	cal							Yes
0059	LFC Cal	12:52	106.5			HPF	cal							Yes
0060	Etalon Cal	13:00	159.8			HPF	cal							Yes
0061	Etalon Cal	13:03	159.8			HPF	cal							Yes
0062	Etalon Cal	13:06	159.8			HPF	cal							Yes
0063	Etalon Cal	13:10	159.8			HPF	cal							Yes
0064	UNe Slave Cal	13:13	426			HPF	cal							Yes
0065	UNe Slave Cal	13:21	426			HPF	cal							Yes
0066	UNe Slave Cal	13:29	426			HPF	cal							Yes
0067	UNe Slave Cal	13:37	426			HPF	cal							Yes
0068	UNe Slave Cal	13:44	426			HPF	cal							Yes
0069	UNe Slave Cal	13:52	426			HPF	cal							Yes
0096	LFC Cal	21:45	106.5			HPF	cal							Yes
lrs20009900_01	bias	21:45	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	21:45	20			VIRUS	cal							Yes
virus0009901_01	bias	21:47	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	21:47	20			LRS2	cal							Yes
virus0009902_01	dark	21:49	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	21:50	38			LRS2	cal							Yes
lrs20009903_01	FeAr_R	21:51	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	21:53	15			LRS2	cal							Yes
virus0000025_01	bias	21:55	0			VIRUS	cal							Yes
virus0000026_01	bias	21:57	0			VIRUS	cal							Yes
0097	Dark	21:58	319.5			HPF	cal							Yes
0098	Quartz FCU	22:04	74.5			HPF	cal							Yes
0099	Quartz FCU	22:06	74.5			HPF	cal							Yes
0100	Quartz FCU	22:08	74.5			HPF	cal							Yes
0101	Quartz FCU	22:10	74.5			HPF	cal							Yes
0102	Quartz FCU	22:12	74.5			HPF	cal							Yes
0103	Quartz FCU	22:13	74.5			HPF	cal							Yes
0104	Quartz FCU	22:15	74.5			HPF	cal							Yes
0105	Alpha Bright Cal	22:18	85.2			HPF	cal							Yes
0106	Alpha Bright Cal	22:20	85.2			HPF	cal							Yes
0107	Alpha Bright Cal	22:21	85.2			HPF	cal							Yes
0108	Alpha Bright Cal	22:23	85.2			HPF	cal							Yes
0109	LFC FCU	22:26	106.5			HPF	cal							Yes
0110	LFC FCU	22:28	106.5			HPF	cal							Yes
0111	LFC Cal	22:31	106.5			HPF	cal							Yes
0112	LFC Cal	22:33	106.5			HPF	cal							Yes
0113	Etalon Cal	22:36	159.8			HPF	cal							Yes
0114	UNe Slave Cal	22:40	426			HPF	cal							Yes
lrs20000020_01	flat_Qth_R	22:40	15			LRS2	cal							Yes
lrs20000020_02	flat_Qth_R	22:41	15			LRS2	cal							Yes
lrs20000020_03	flat_Qth_R	22:43	15			LRS2	cal							Yes
lrs20000020_04	flat_Qth_R	22:44	15			LRS2	cal							Yes
lrs20000020_05	flat_Qth_R	22:45	15			LRS2	cal							Yes
lrs20000021_01	flat_ldls_long_B	22:46	20			LRS2	cal							Yes
0115	UNe Slave Cal	22:48	426			HPF	cal							Yes
lrs20000021_02	flat_ldls_long_B	22:48	20			LRS2	cal							Yes
lrs20000021_03	flat_ldls_long_B	22:49	20			LRS2	cal							Yes
lrs20000022_01	Cd-A_B	22:50	38			LRS2	cal							Yes
lrs20000022_02	Cd-A_B	22:52	38			LRS2	cal							Yes
lrs20000022_03	Cd-A_B	22:53	38			LRS2	cal							Yes
0116	UNe Slave Cal	22:55	426			HPF	cal							Yes
lrs20000023_01	FeAr_R	22:55	15			LRS2	cal							Yes
lrs20000023_02	FeAr_R	22:56	15			LRS2	cal							Yes
lrs20000023_03	FeAr_R	22:57	15			LRS2	cal							Yes
lrs20000024_01	Hg_R	22:59	20			LRS2	cal							Yes
lrs20000024_02	Hg_R	23:00	20			LRS2	cal							Yes
lrs20000024_03	Hg_R	23:01	20			LRS2	cal							Yes
lrs20000025_01	Hg_B	23:03	15			LRS2	cal							Yes
0117	UNe Slave Cal	23:03	426			HPF	cal							Yes
lrs20000025_02	Hg_B	23:04	15			LRS2	cal							Yes
lrs20000025_03	Hg_B	23:05	15			LRS2	cal							Yes
0118	UNe Slave Cal	23:11	426			HPF	cal							Yes
virus0000027_01	flat_ldls_long	23:12	15			VIRUS	cal							Yes
virus0000027_02	flat_ldls_long	23:13	15			VIRUS	cal							Yes
virus0000027_03	flat_ldls_long	23:14	15			VIRUS	cal							Yes
virus0000028_01	Cd-A	23:16	15			VIRUS	cal							Yes
virus0000028_02	Cd-A	23:17	15			VIRUS	cal							Yes
0119	UNe Slave Cal	23:19	426			HPF	cal							Yes
virus0000028_03	Cd-A	23:19	15			VIRUS	cal							Yes
virus0000029_01	Hg	23:20	15			VIRUS	cal							Yes
virus0000029_02	Hg	23:21	15			VIRUS	cal							Yes
virus0000029_03	Hg	23:23	15			VIRUS	cal							Yes
lrs20000026_01	bias	23:24	0			LRS2	cal							Yes
virus0000030_01	bias	23:24	0			VIRUS	cal							Yes
lrs20000026_02	bias	23:25	0			LRS2	cal							Yes
virus0000030_02	bias	23:25	0			VIRUS	cal							Yes
lrs20000026_03	bias	23:26	0			LRS2	cal							Yes
virus0000030_03	bias	23:26	0			VIRUS	cal							Yes
lrs20000026_04	bias	23:26	0			LRS2	cal							Yes
virus0000030_04	bias	23:27	0			VIRUS	cal							Yes
lrs20000026_05	bias	23:27	0			LRS2	cal							Yes
lrs20000026_06	bias	23:28	0			LRS2	cal							Yes
virus0000030_05	bias	23:28	0			VIRUS	cal							Yes
virus0000030_06	bias	23:28	0			VIRUS	cal							Yes
lrs20000026_07	bias	23:29	0			LRS2	cal							Yes
virus0000030_07	bias	23:29	0			VIRUS	cal							Yes
lrs20000026_08	bias	23:30	0			LRS2	cal							Yes
virus0000030_08	bias	23:30	0			VIRUS	cal							Yes
lrs20000026_09	bias	23:31	0			LRS2	cal							Yes
virus0000030_09	bias	23:31	0			VIRUS	cal							Yes
lrs20000026_10	bias	23:32	0			LRS2	cal							Yes
virus0000030_10	bias	23:32	0			VIRUS	cal							Yes
lrs20000026_11	bias	23:33	0			LRS2	cal							Yes
virus0000030_11	bias	23:33	0			VIRUS	cal							Yes
lrs20000027_01	dark	23:33	360			LRS2	cal							Yes
virus0000031_01	dark	23:34	360			VIRUS	cal							Yes
lrs20000027_02	dark	23:40	360			LRS2	cal							Yes
virus0000031_02	dark	23:41	360			VIRUS	cal							Yes
lrs20000027_03	dark	23:47	360			LRS2	cal							Yes
virus0000031_03	dark	23:48	360			VIRUS	cal							Yes