HET Night Report Reader

Civil Date	Ephemerides
2026-06-12	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	02:07	03:00	03:36	10:15	10:51	11:45	10:09	-
Night Length	6:39		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator	OPS Engineer	Day Ops
Tyler Ryburn	Amy Westfall	-	-

Overlaps		none

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
05:08	16.9	18.4	12:28	twilight	07:20
Total Time Open					7:20

Program	Night Priority	Science
03:36	Idle due to weather (rain)
05:49	Science
06:37	Idle due to weather (poor iq)
07:01	Science
07:39	Idle due to weather (poor iq)
08:05	Science
08:17	Idle due to weather (clouds)
09:52	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
05:13	05:49	0.42	0.64	-410	+2371	16.4	16.9	17.2	189	20	First of Night
10:22	10:27	0.46	0.73	-570	+2371	17.4	17.8	17.9	194	19	Post-Observing

Problem Reports					no PRs

Ops Comments	none

TO Comments	Stable temperature with prevalent clouds and gusty winds at EON.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
lrs20000024_09	bias	00:00	0			LRS2	cal							Yes
virus0000018_09	bias	00:00	0			VIRUS	cal							Yes
lrs20000024_10	bias	00:01	0			LRS2	cal							Yes
virus0000018_10	bias	00:01	0			VIRUS	cal							Yes
lrs20000024_11	bias	00:02	0			LRS2	cal							Yes
virus0000018_11	bias	00:02	0			VIRUS	cal							Yes
lrs20000025_01	dark	00:02	360			LRS2	cal							Yes
virus0000019_01	dark	00:03	360			VIRUS	cal							Yes
lrs20000025_02	dark	00:09	360			LRS2	cal							Yes
virus0000019_02	dark	00:10	360			VIRUS	cal							Yes
lrs20000025_03	dark	00:16	360			LRS2	cal							Yes
virus0000019_03	dark	00:16	360			VIRUS	cal							Yes
0001	LFC Cal	05:01	106.5			HPF	cal							Yes
0002	LFC Cal	05:04	106.5			HPF	cal							Yes
0003	LFC Cal	05:06	106.5			HPF	cal							Yes
lrs20000001_01	1812095_056_E	05:55	120	6.0		LRS2	spec	2.20		21.64	0.80			Yes
lrs20000002_01	1812095_066_E	06:00	120	3.0		LRS2	spec	1.98		20.59	0.86			Yes
virus0000001_01	1812095_052_E	06:07	60	5.0		VIRUS	spec	2.06		20.67	0.87			Yes
virus0000001_02	1812095_052_E	06:09	60	1.0		VIRUS	spec	2.18		20.63	0.85			Yes
virus0000001_03	1812095_052_E	06:11	60	1.0		VIRUS	spec	2.19		20.61	0.83			Yes
0004	LFC Cal	06:17	106.5			HPF	cal							Yes
lrs20000003_01	parallel	06:17	360			LRS2	sci							Yes
virus0000002_01	QID 985	06:17	360	5.0	UT26-2-016	VIRUS	sci	1.98		21.79	0.78			Yes
0005	LFC Cal	06:19	106.5			HPF	cal							Yes
lrs20000003_02	parallel	06:24	360			LRS2	sci							Yes
virus0000002_02	QID 985	06:24	360	1.0	UT26-2-016	VIRUS	sci	2.08		21.77	0.72			Yes
lrs20000003_03	parallel	06:31	360			LRS2	sci							Yes
virus0000002_03	QID 985	06:31	360	1.0	UT26-2-016	VIRUS	sci	2.08		21.72	0.66			Yes
lrs20000004_01	parallel	06:40	360			LRS2	sci							Yes
virus0000003_01	QID 984	06:40	360	3.0	UT26-2-016	VIRUS	sci	2.30		21.83	0.80			No
0006	LFC Cal	06:41	106.5			HPF	cal							Yes
0007	LFC Cal	06:43	106.5			HPF	cal							Yes
lrs20000004_02	parallel	06:48	360			LRS2	sci							Yes
virus0000003_02	QID 984	06:48	360	2.0	UT26-2-016	VIRUS	sci	2.45		21.77	0.79			No
lrs20000004_03	parallel	06:55	360			LRS2	sci							Yes
virus0000003_03	QID 984	06:55	360	1.0	UT26-2-016	VIRUS	sci	2.66		21.74	0.68			No
lrs20000005_01	QID 1011	07:08	240	7.0	PSU26-2-004	LRS2-B	sci	2.28		21.33	0.87			Yes
0008	LFC Cal	07:09	106.5			HPF	cal							Yes
0009	LFC Cal	07:19	106.5			HPF	cal							Yes
lrs20000006_01	parallel	07:19	360			LRS2	sci							Yes
virus0000004_01	QID 997	07:19	360	7.0	UT26-2-016	VIRUS	sci	2.12		21.76	0.70			Yes
0010	LFC Cal	07:22	106.5			HPF	cal							Yes
lrs20000006_02	parallel	07:26	360			LRS2	sci							Yes
virus0000004_02	QID 997	07:26	360	1.0	UT26-2-016	VIRUS	sci	1.88		21.81	0.70			Yes
lrs20000006_03	parallel	07:33	360			LRS2	sci							Yes
virus0000004_03	QID 997	07:33	360	1.0	UT26-2-016	VIRUS	sci	1.84		21.73	0.60			Yes
0011	LFC Cal	07:45	106.5			HPF	cal							Yes
lrs20000007_01	parallel	07:45	360			LRS2	sci							Yes
virus0000005_01	QID 995	07:45	360	6.0	UT26-2-016	VIRUS	sci	2.33		21.69	0.66			No
0012	LFC Cal	07:47	106.5			HPF	cal							Yes
lrs20000007_02	parallel	07:52	360			LRS2	sci							Yes
virus0000005_02	QID 995	07:52	360	1.0	UT26-2-016	VIRUS	sci	2.36		21.69	0.69			No
lrs20000007_03	parallel	07:59	360			LRS2	sci							Yes
virus0000005_03	QID 995	07:59	360	1.0	UT26-2-016	VIRUS	sci	2.83		21.64	0.61			No
virus0000006_01	parallel	08:10	382.3			VIRUS	sci							Yes
0013	QID 629	08:11	340.8	6.3	PSU26-2-014	HPF	sci	2.56		20.10	0.73	306		P4
0014	QID 1019	08:25	915.9	7.7	PSU26-2-007	HPF	sci	2.42		19.87	0.75	88		No
virus0000007_01	parallel	08:25	1914.8			VIRUS	sci							Yes
0015	QID 1019	08:41	915.9	1.7	PSU26-2-007	HPF	sci	1.99		19.65	0.45	28		No
0016	LFC Cal	09:05	106.5			HPF	cal							Yes
virus0000008_01	parallel	09:05	2800			VIRUS	sci							Yes
lrs20000008_01	QID 826	09:05	2800	8.3	PSU26-2-011	LRS2-B	sci	2.22		21.51	0.31			No
0017	LFC Cal	09:07	106.5			HPF	cal							Yes
0018	LFC Cal	09:10	106.5			HPF	cal							Yes
virus0000009_01	parallel	10:02	300			VIRUS	sci							Yes
0019	LFC Cal	10:03	106.5			HPF	cal							Yes
lrs20000009_01	QID 620	10:03	300	11.0	PSU26-2-001	LRS2-R	sci	2.61		20.33	0.29			P4
0020	LFC Cal	10:05	106.5			HPF	cal							Yes
0021	LFC Cal	10:14	106.5			HPF	cal							Yes
virus0000010_01	parallel	10:14	300			VIRUS	sci							Yes
lrs20000010_01	QID 621	10:14	300	6.0	PSU26-2-001	LRS2-R	sci	2.47		20.53	0.77			P4
0022	LFC Cal	10:17	106.5			HPF	cal							Yes
lrs20000011_01	bias	10:21	0			LRS2	cal							Yes
virus0000011_01	bias	10:22	0			VIRUS	cal							Yes
virus0000012_01	Cd-A	10:26	15		ENG26-2-002	VIRUS	cal							Yes
virus0000013_01	Hg	10:27	15		ENG26-2-002	VIRUS	cal							Yes
0023	Dark	10:35	319.5			HPF	cal							Yes
0024	Quartz FCU	10:46	74.5			HPF	cal							Yes
0025	Quartz FCU	10:48	74.5			HPF	cal							Yes
0026	Quartz FCU	10:50	74.5			HPF	cal							Yes
0027	Quartz FCU	10:51	74.5			HPF	cal							Yes
0028	Quartz FCU	10:53	74.5			HPF	cal							Yes
0029	Quartz FCU	10:55	74.5			HPF	cal							Yes
0030	Quartz FCU	10:57	74.5			HPF	cal							Yes
0031	Alpha Bright Cal	10:59	85.2			HPF	cal							Yes
0032	Alpha Bright Cal	11:01	85.2			HPF	cal							Yes
0033	Alpha Bright Cal	11:03	85.2			HPF	cal							Yes
0034	Alpha Bright Cal	11:05	85.2			HPF	cal							Yes
0035	LFC FCU	11:08	106.5			HPF	cal							Yes
0036	LFC FCU	11:10	106.5			HPF	cal							Yes
0037	LFC FCU	11:12	106.5			HPF	cal							Yes
0038	LFC FCU	11:15	106.5			HPF	cal							Yes
0039	LFC FCU	11:17	106.5			HPF	cal							Yes
0040	LFC FCU	11:19	106.5			HPF	cal							Yes
0041	LFC Cal	11:22	106.5			HPF	cal							Yes
0042	LFC Cal	11:24	106.5			HPF	cal							Yes
0043	Etalon Cal	11:32	159.8			HPF	cal							Yes
0044	Etalon Cal	11:35	159.8			HPF	cal							Yes
0045	Etalon Cal	11:39	159.8			HPF	cal							Yes
0046	Etalon Cal	11:42	159.8			HPF	cal							Yes
0047	UNe Slave Cal	11:45	426			HPF	cal							Yes
0048	UNe Slave Cal	11:53	426			HPF	cal							Yes
0049	UNe Slave Cal	12:01	426			HPF	cal							Yes
0050	UNe Slave Cal	12:09	426			HPF	cal							Yes
0051	UNe Slave Cal	12:17	426			HPF	cal							Yes
0052	UNe Slave Cal	12:24	426			HPF	cal							Yes
0057	LFC Cal	22:11	106.5			HPF	cal							Yes
lrs20009900_01	bias	22:15	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	22:16	20			VIRUS	cal							Yes
virus0009901_01	bias	22:17	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	22:18	20			LRS2	cal							Yes
virus0009902_01	dark	22:19	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:20	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:22	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:23	15			LRS2	cal							Yes
0058	Dark	22:26	319.5			HPF	cal							Yes
0059	Quartz FCU	22:33	74.5			HPF	cal							Yes
0060	Quartz FCU	22:35	74.5			HPF	cal							Yes
0061	Quartz FCU	22:36	74.5			HPF	cal							Yes
0062	Quartz FCU	22:38	74.5			HPF	cal							Yes
0063	Quartz FCU	22:40	74.5			HPF	cal							Yes
0064	Quartz FCU	22:42	74.5			HPF	cal							Yes
0065	Quartz FCU	22:44	74.5			HPF	cal							Yes
0066	Alpha Bright Cal	22:46	85.2			HPF	cal							Yes
0067	Alpha Bright Cal	22:48	85.2			HPF	cal							Yes
0068	Alpha Bright Cal	22:50	85.2			HPF	cal							Yes
0069	Alpha Bright Cal	22:52	85.2			HPF	cal							Yes
0070	LFC FCU	22:55	106.5			HPF	cal							Yes
0071	LFC FCU	22:57	106.5			HPF	cal							Yes
0072	LFC Cal	23:00	106.5			HPF	cal							Yes
0073	LFC Cal	23:02	106.5			HPF	cal							Yes
0074	Etalon Cal	23:05	159.8			HPF	cal							Yes
0075	UNe Slave Cal	23:09	426			HPF	cal							Yes
lrs20000018_01	flat_Qth_R	23:09	15			LRS2	cal							Yes
lrs20000018_02	flat_Qth_R	23:11	15			LRS2	cal							Yes
lrs20000018_03	flat_Qth_R	23:12	15			LRS2	cal							Yes
lrs20000018_04	flat_Qth_R	23:13	15			LRS2	cal							Yes
lrs20000018_05	flat_Qth_R	23:14	15			LRS2	cal							Yes
lrs20000019_01	flat_ldls_long_B	23:16	20			LRS2	cal							Yes
0076	UNe Slave Cal	23:16	426			HPF	cal							Yes
lrs20000019_02	flat_ldls_long_B	23:17	20			LRS2	cal							Yes
lrs20000019_03	flat_ldls_long_B	23:18	20			LRS2	cal							Yes
lrs20000020_01	Cd-A_B	23:20	29			LRS2	cal							Yes
lrs20000020_02	Cd-A_B	23:21	29			LRS2	cal							Yes
lrs20000020_03	Cd-A_B	23:23	29			LRS2	cal							Yes
0077	UNe Slave Cal	23:24	426			HPF	cal							Yes
lrs20000021_01	FeAr_R	23:24	15			LRS2	cal							Yes
lrs20000021_02	FeAr_R	23:25	15			LRS2	cal							Yes
lrs20000021_03	FeAr_R	23:27	15			LRS2	cal							Yes
lrs20000022_01	Hg_R	23:28	20			LRS2	cal							Yes
lrs20000022_02	Hg_R	23:29	20			LRS2	cal							Yes
lrs20000022_03	Hg_R	23:31	20			LRS2	cal							Yes
0078	UNe Slave Cal	23:32	426			HPF	cal							Yes
lrs20000023_01	Hg_B	23:32	15			LRS2	cal							Yes
lrs20000023_02	Hg_B	23:33	15			LRS2	cal							Yes
lrs20000023_03	Hg_B	23:34	15			LRS2	cal							Yes
0079	UNe Slave Cal	23:40	426			HPF	cal							Yes
virus0000015_01	flat_ldls_long	23:41	15			VIRUS	cal							Yes
virus0000015_02	flat_ldls_long	23:42	15			VIRUS	cal							Yes
virus0000015_03	flat_ldls_long	23:44	15			VIRUS	cal							Yes
virus0000016_01	Cd-A	23:45	15			VIRUS	cal							Yes
virus0000016_02	Cd-A	23:46	15			VIRUS	cal							Yes
0080	UNe Slave Cal	23:47	426			HPF	cal							Yes
virus0000016_03	Cd-A	23:48	15			VIRUS	cal							Yes
virus0000017_01	Hg	23:49	15			VIRUS	cal							Yes
virus0000017_02	Hg	23:51	15			VIRUS	cal							Yes
virus0000017_03	Hg	23:52	15			VIRUS	cal							Yes
lrs20000024_01	bias	23:53	0			LRS2	cal							Yes
virus0000018_01	bias	23:53	0			VIRUS	cal							Yes
lrs20000024_02	bias	23:54	0			LRS2	cal							Yes
virus0000018_02	bias	23:54	0			VIRUS	cal							Yes
lrs20000024_03	bias	23:55	0			LRS2	cal							Yes
virus0000018_03	bias	23:55	0			VIRUS	cal							Yes
lrs20000024_04	bias	23:56	0			LRS2	cal							Yes
virus0000018_04	bias	23:56	0			VIRUS	cal							Yes
lrs20000024_05	bias	23:56	0			LRS2	cal							Yes
virus0000018_05	bias	23:57	0			VIRUS	cal							Yes
lrs20000024_06	bias	23:57	0			LRS2	cal							Yes
virus0000018_06	bias	23:58	0			VIRUS	cal							Yes
lrs20000024_07	bias	23:58	0			LRS2	cal							Yes
virus0000018_07	bias	23:59	0			VIRUS	cal							Yes
lrs20000024_08	bias	23:59	0			LRS2	cal							Yes
virus0000018_08	bias	23:59	0			VIRUS	cal							Yes

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