HET Night Report Reader

Civil Date	Ephemerides
2025-10-16	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	00:30	01:15	01:43	11:40	12:08	12:53	09:23	-
Night Length	9:57		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator
Amy Ray	Amy Westfall

Overlaps		none

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
00:27	21.7	18.0	02:46	radar	02:19
05:55	18.5	18.7	07:50	radar	01:55
09:01	15.9	18.1	12:25	twilight	03:24
Total Time Open					7:38

Program	Night Priority	Science
01:43	Science
02:45	Idle due to weather (Clouds/Radar)
05:55	Science
07:18	Idle due to weather (Clouds/Radar)
09:02	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
00:56	01:25	0.71	1.04	220	+847	21.7	18.6	18.3	257	6	First of Night
↪ Comments			Poor dome seeing due to hotter-than-expected external temperature

Problem Reports					no PRs

TO Comments	A couple of storm cells rolled over us during the night.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
lrs20000027_02	dark	00:01	360			LRS2	cal							Yes
virus0000028_02	dark	00:01	360			VIRUS	cal							Yes
lrs20000027_03	dark	00:08	360			LRS2	cal							Yes
virus0000028_03	dark	00:08	360			VIRUS	cal							Yes
lrs20000001_01	skyflat	00:35	7			LRS2	cal							Yes
lrs20000002_01	skyflat	00:36	10			LRS2	cal							Yes
lrs20000003_01	skyflat	00:37	13			LRS2	cal							Yes
lrs20000004_01	skyflat	00:38	16			LRS2	cal							Yes
lrs20000005_01	skyflat	00:39	22			LRS2	cal							Yes
lrs20000006_01	skyflat	00:41	30			LRS2	cal							Yes
virus0000001_01	skyflat	00:43	7			VIRUS	cal							Yes
virus0000002_01	skyflat	00:44	10			VIRUS	cal							Yes
virus0000003_01	skyflat	00:46	14			VIRUS	cal							Yes
virus0000004_01	skyflat	00:47	18			VIRUS	cal							Yes
virus0000005_01	skyflat	00:49	26			VIRUS	cal							Yes
0001	QID 2049	01:32	969.1	6.8	UT25-3-013	HPF	sci	1.93	0.84	19.99	0.81	159		P4
virus0000006_01	parallel	01:32	2047			VIRUS	sci							Yes
0002	QID 2049	01:49	969.1	0.8	UT25-3-013	HPF	sci	1.46	0.68	20.02	0.90	231		P4
0003	LFC Cal	02:07	106.5			HPF	cal							Yes
virus0000007_01	parallel	02:11	1984			VIRUS	sci							Yes
0004	QID 3002	02:12	617.7	6.7	UT25-3-002	HPF	sci	1.67	1.12	20.13	0.75	48	Clouds lowered transparency several times throughout the observation. SNR looks ok but please check that data is useful.	Yes
0005	QID 3002	02:23	617.7	0.7	UT25-3-002	HPF	sci	1.72	0.93	20.16	0.77	73		Yes
0006	QID 3002	02:34	617.7	1.7	UT25-3-002	HPF	sci	1.53	0.81	20.15	0.75	68		Yes
0007	LFC Cal	02:57	106.5			HPF	cal							Yes
0008	LFC Cal	04:10	106.5			HPF	cal							Yes
0009	LFC Cal	04:12	106.5			HPF	cal							Yes
0010	LFC Cal	04:15	106.5			HPF	cal							Yes
0011	LFC Cal	05:12	106.5			HPF	cal							Yes
0012	LFC Cal	05:14	106.5			HPF	cal							Yes
0013	LFC Cal	05:17	106.5			HPF	cal							Yes
lrs20000007_01	parallel	06:03	360			LRS2	sci							Yes
virus0000008_01	QID 960	06:03	360	8.0	UT25-3-012	VIRUS	sci	1.74		21.71	0.79			Yes
0014	LFC Cal	06:04	106.5			HPF	cal							Yes
0015	LFC Cal	06:06	106.5			HPF	cal							Yes
lrs20000007_02	parallel	06:11	360			LRS2	sci							Yes
virus0000008_02	QID 960	06:11	360	2.0	UT25-3-012	VIRUS	sci	1.66		21.69	0.80			Yes
lrs20000007_03	parallel	06:18	360			LRS2	sci							Yes
virus0000008_03	QID 960	06:18	360	1.0	UT25-3-012	VIRUS	sci	1.48		21.71	0.78			Yes
virus0000009_01	parallel	06:31	1984			VIRUS	sci							Yes
0016	QID 4060	06:32	617.7	7.7	UT25-3-006	HPF	sci	1.51		20.29	0.70	67		Yes
0017	QID 4060	06:43	617.7	0.7	UT25-3-006	HPF	sci	1.48		20.31	0.72	72		Yes
0018	QID 4060	06:54	617.7	0.7	UT25-3-006	HPF	sci	1.48		20.29	0.76	65		Yes
0019	HR8870_tell_std	07:12	330.2	8.5		HPF	telluric	1.56		20.32	0.62			Yes
lrs20000008_01	parallel	07:22	420			LRS2	sci							Yes
virus0000010_01	QID 2618	07:22	420	4.0	PSU25-3-007	VIRUS	sci	1.66		21.56	0.74		Clouds lowered transparency in third exposure.	No
0020	LFC Cal	07:23	106.5			HPF	cal							Yes
0021	LFC Cal	07:25	106.5			HPF	cal							Yes
0022	LFC Cal	07:27	106.5			HPF	cal							Yes
lrs20000008_02	parallel	07:31	420			LRS2	sci							Yes
virus0000010_02	QID 2618	07:31	420	2.0	PSU25-3-007	VIRUS	sci	1.51		21.55	0.66			No
lrs20000008_03	parallel	07:39	420			LRS2	sci							Yes
virus0000010_03	QID 2618	07:39	420	1.0	PSU25-3-007	VIRUS	sci	1.55		21.54	0.48			No
0023	LFC Cal	09:05	106.5			HPF	cal							Yes
0024	QID 1878	09:11	915.9	9.7	G25-3-002	HPF	sci	1.85		20.33	0.85	124		Yes
virus0000011_01	parallel	09:11	1959			VIRUS	sci							Yes
0025	QID 1878	09:27	915.9	0.7	G25-3-002	HPF	sci	1.83		20.28	0.80	100		Yes
0026	LFC Cal	09:44	106.5			HPF	cal							Yes
0027	LFC Cal	09:50	106.5			HPF	cal							Yes
virus0000012_01	parallel	09:50	300			VIRUS	sci							Yes
lrs20000009_01	QID 46	09:50	300	7.0	PSU25-3-002	LRS2-R	sci	2.15		20.46	0.96			P4
0028	LFC Cal	09:53	106.5			HPF	cal							Yes
0029	QID 2971	10:06	170.4	11.2	PSU25-3-004	HPF	sci	2.08		17.75	0.75	505		Yes
virus0000013_01	parallel	10:06	2399			VIRUS	sci							Yes
0030	QID 2971	10:09	170.4	0.2	PSU25-3-004	HPF	sci	2.01		17.74	0.78	534		Yes
0031	QID 2971	10:13	170.4	1.2	PSU25-3-004	HPF	sci	2.02		17.57	0.85	590		Yes
0032	QID 2971	10:16	170.4	0.2	PSU25-3-004	HPF	sci	2.03		17.59	0.86	543		Yes
0033	QID 2971	10:20	170.4	0.2	PSU25-3-004	HPF	sci	2.05		17.62	0.86	561		Yes
0034	QID 2971	10:23	170.4	1.2	PSU25-3-004	HPF	sci	1.94		17.65	0.87	589		Yes
0035	QID 2971	10:26	170.4	0.2	PSU25-3-004	HPF	sci	1.96		17.65	0.86	573		Yes
0036	QID 2971	10:30	170.4	0.2	PSU25-3-004	HPF	sci	1.95		17.63	0.85	572		Yes
0037	QID 2971	10:33	170.4	1.2	PSU25-3-004	HPF	sci	1.84		17.61	0.86	590		Yes
0038	QID 2971	10:36	170.4	0.2	PSU25-3-004	HPF	sci	2.15		17.57	0.82	480		Yes
0039	QID 2971	10:40	170.4	1.2	PSU25-3-004	HPF	sci	1.85		17.72	0.83	562		Yes
virus0000014_01	parallel	10:50	2047			VIRUS	sci							Yes
0040	QID 1788	10:51	969.1	7.8	PSU25-3-005	HPF	sci	2.09		20.01	0.77	212		Yes
0041	QID 1788	11:08	969.1	0.8	PSU25-3-005	HPF	sci	2.04		19.96	0.83	200		Yes
0042	LFC Cal	11:26	106.5			HPF	cal							Yes
virus0000015_01	parallel	11:30	847			VIRUS	sci							Yes
0043	QID 2230	11:31	788.1	6.9	UT25-3-008	HPF	sci	2.19		20.02	0.88	64		Yes
lrs20000010_01	QID 2138	11:51	150	6.5	UT25-3-010	LRS2-B	sci	2.47		21.08	0.75			Yes
lrs20000011_01	BD+210607_056_W	11:59	30	6.5		LRS2	spec	2.34		20.28	0.85			Yes
lrs20000012_01	BD+210607_066_W	12:03	15	2.8		LRS2	spec	2.40		19.68	0.94			Yes
0044	QID 1826	12:09	117.2	6.0	PSU25-3-008	HPF	sci	2.69		18.22	1.11	389		P4
lrs20000013_01	bias	12:13	0			LRS2	cal							Yes
virus0000016_01	bias	12:13	0			VIRUS	cal							Yes
virus0000017_01	Cd-A	12:18	15		ENG25-3-002	VIRUS	cal							Yes
virus0000018_01	Hg	12:19	15		ENG25-3-002	VIRUS	cal							Yes
0045	Dark	12:23	319.5			HPF	cal							Yes
0046	Quartz FCU	12:35	74.5			HPF	cal							Yes
0047	Quartz FCU	12:36	74.5			HPF	cal							Yes
0048	Quartz FCU	12:38	74.5			HPF	cal							Yes
0049	Quartz FCU	12:40	74.5			HPF	cal							Yes
0050	Quartz FCU	12:42	74.5			HPF	cal							Yes
0051	Quartz FCU	12:43	74.5			HPF	cal							Yes
0052	Quartz FCU	12:45	74.5			HPF	cal							Yes
0053	Alpha Bright Cal	12:48	85.2			HPF	cal							Yes
0054	Alpha Bright Cal	12:49	85.2			HPF	cal							Yes
0055	Alpha Bright Cal	12:51	85.2			HPF	cal							Yes
0056	Alpha Bright Cal	12:53	85.2			HPF	cal							Yes
0057	LFC FCU	12:56	106.5			HPF	cal							Yes
0058	LFC FCU	12:58	106.5			HPF	cal							Yes
0059	LFC FCU	13:01	106.5			HPF	cal							Yes
0060	LFC FCU	13:03	106.5			HPF	cal							Yes
0061	LFC FCU	13:05	106.5			HPF	cal							Yes
0062	LFC FCU	13:08	106.5			HPF	cal							Yes
0063	LFC Cal	13:11	106.5			HPF	cal							Yes
0064	LFC Cal	13:13	106.5			HPF	cal							Yes
0065	Etalon Cal	13:21	159.8			HPF	cal							Yes
0066	Etalon Cal	13:24	159.8			HPF	cal							Yes
0067	Etalon Cal	13:27	159.8			HPF	cal							Yes
0068	Etalon Cal	13:30	159.8			HPF	cal							Yes
0069	UNe Slave Cal	13:34	426			HPF	cal							Yes
0070	UNe Slave Cal	13:42	426			HPF	cal							Yes
0071	UNe Slave Cal	13:49	426			HPF	cal							Yes
0072	UNe Slave Cal	13:57	426			HPF	cal							Yes
0073	UNe Slave Cal	14:05	426			HPF	cal							Yes
0074	UNe Slave Cal	14:13	426			HPF	cal							Yes
0089	LFC Cal	21:50	106.5			HPF	cal							Yes
lrs20009900_01	bias	22:05	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	22:06	20			VIRUS	cal							Yes
virus0009901_01	bias	22:07	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	22:08	20			LRS2	cal							Yes
virus0009902_01	dark	22:09	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:10	38			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:12	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:13	15			LRS2	cal							Yes
0090	Dark	22:17	319.5			HPF	cal							Yes
0091	Quartz FCU	22:24	74.5			HPF	cal							Yes
0092	Quartz FCU	22:25	74.5			HPF	cal							Yes
0093	Quartz FCU	22:27	74.5			HPF	cal							Yes
0094	Quartz FCU	22:29	74.5			HPF	cal							Yes
0095	Quartz FCU	22:31	74.5			HPF	cal							Yes
0096	Quartz FCU	22:32	74.5			HPF	cal							Yes
0097	Quartz FCU	22:34	74.5			HPF	cal							Yes
0098	Alpha Bright Cal	22:36	85.2			HPF	cal							Yes
0099	Alpha Bright Cal	22:38	85.2			HPF	cal							Yes
0100	Alpha Bright Cal	22:40	85.2			HPF	cal							Yes
0101	Alpha Bright Cal	22:42	85.2			HPF	cal							Yes
0102	LFC FCU	22:45	106.5			HPF	cal							Yes
0103	LFC FCU	22:47	106.5			HPF	cal							Yes
0104	LFC Cal	22:50	106.5			HPF	cal							Yes
0105	LFC Cal	22:52	106.5			HPF	cal							Yes
0106	Etalon Cal	22:55	159.8			HPF	cal							Yes
0107	UNe Slave Cal	22:59	426			HPF	cal							Yes
lrs20000020_01	flat_Qth_R	23:00	15			LRS2	cal							Yes
lrs20000020_02	flat_Qth_R	23:01	15			LRS2	cal							Yes
lrs20000020_03	flat_Qth_R	23:03	15			LRS2	cal							Yes
lrs20000020_04	flat_Qth_R	23:04	15			LRS2	cal							Yes
lrs20000020_05	flat_Qth_R	23:05	15			LRS2	cal							Yes
lrs20000021_01	flat_ldls_long_B	23:06	20			LRS2	cal							Yes
0108	UNe Slave Cal	23:07	426			HPF	cal							Yes
lrs20000021_02	flat_ldls_long_B	23:08	20			LRS2	cal							Yes
lrs20000021_03	flat_ldls_long_B	23:09	20			LRS2	cal							Yes
lrs20000022_01	Cd-A_B	23:10	38			LRS2	cal							Yes
lrs20000022_02	Cd-A_B	23:12	38			LRS2	cal							Yes
lrs20000022_03	Cd-A_B	23:13	38			LRS2	cal							Yes
0109	UNe Slave Cal	23:14	426			HPF	cal							Yes
lrs20000023_01	FeAr_R	23:15	15			LRS2	cal							Yes
lrs20000023_02	FeAr_R	23:16	15			LRS2	cal							Yes
lrs20000023_03	FeAr_R	23:18	15			LRS2	cal							Yes
lrs20000024_01	Hg_R	23:19	20			LRS2	cal							Yes
lrs20000024_02	Hg_R	23:20	20			LRS2	cal							Yes
lrs20000024_03	Hg_R	23:21	20			LRS2	cal							Yes
0110	UNe Slave Cal	23:22	426			HPF	cal							Yes
lrs20000025_01	Hg_B	23:23	15			LRS2	cal							Yes
lrs20000025_02	Hg_B	23:24	15			LRS2	cal							Yes
lrs20000025_03	Hg_B	23:25	15			LRS2	cal							Yes
0111	UNe Slave Cal	23:30	426			HPF	cal							Yes
virus0000024_01	flat_ldls_long	23:32	15			VIRUS	cal							Yes
virus0000024_02	flat_ldls_long	23:33	15			VIRUS	cal							Yes
virus0000024_03	flat_ldls_long	23:35	15			VIRUS	cal							Yes
virus0000025_01	Cd-A	23:36	15			VIRUS	cal							Yes
virus0000025_02	Cd-A	23:37	15			VIRUS	cal							Yes
0112	UNe Slave Cal	23:38	426			HPF	cal							Yes
virus0000025_03	Cd-A	23:39	15			VIRUS	cal							Yes
virus0000026_01	Hg	23:40	15			VIRUS	cal							Yes
virus0000026_02	Hg	23:42	15			VIRUS	cal							Yes
virus0000026_03	Hg	23:43	15			VIRUS	cal							Yes
lrs20000026_01	bias	23:44	0			LRS2	cal							Yes
virus0000027_01	bias	23:44	0			VIRUS	cal							Yes
lrs20000026_02	bias	23:45	0			LRS2	cal							Yes
virus0000027_02	bias	23:45	0			VIRUS	cal							Yes
lrs20000026_03	bias	23:46	0			LRS2	cal							Yes
virus0000027_03	bias	23:46	0			VIRUS	cal							Yes
lrs20000026_04	bias	23:47	0			LRS2	cal							Yes
virus0000027_04	bias	23:47	0			VIRUS	cal							Yes
lrs20000026_05	bias	23:48	0			LRS2	cal							Yes
virus0000027_05	bias	23:48	0			VIRUS	cal							Yes
lrs20000026_06	bias	23:49	0			LRS2	cal							Yes
virus0000027_06	bias	23:49	0			VIRUS	cal							Yes
lrs20000026_07	bias	23:49	0			LRS2	cal							Yes
virus0000027_07	bias	23:50	0			VIRUS	cal							Yes
lrs20000026_08	bias	23:50	0			LRS2	cal							Yes
virus0000027_08	bias	23:51	0			VIRUS	cal							Yes
lrs20000026_09	bias	23:51	0			LRS2	cal							Yes
virus0000027_09	bias	23:51	0			VIRUS	cal							Yes
lrs20000026_10	bias	23:52	0			LRS2	cal							Yes
virus0000027_10	bias	23:52	0			VIRUS	cal							Yes
lrs20000026_11	bias	23:53	0			LRS2	cal							Yes
virus0000027_11	bias	23:53	0			VIRUS	cal							Yes
lrs20000027_01	dark	23:54	360			LRS2	cal							Yes
virus0000028_01	dark	23:54	360			VIRUS	cal							Yes