HET Night Report Reader

Civil Date	Ephemerides
2026-07-31	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:58	02:48	03:21	10:43	11:16	12:07	03:17	-
Night Length	7:22		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator	OPS Engineer	Day Ops
Tyler Ryburn	Aiden Dillard	-	-

Overlaps		none

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
01:50	27.7	26.5	07:27	clouds	05:37
Total Time Open					5:37

Program	Night Priority	Science
03:21	Science
07:04	Idle due to weather (clouds)
07:28	Idle due to weather (cloudy, radar)

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
02:25	02:56	0.44	0.67	-385	-2049	25.6	25.7	25.9	131	10	First of Night

Problem Reports					no PRs

Ops Comments	none

TO Comments	Closed for half of the night due to clouds.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
lrs20000017_03	dark	00:01	360			LRS2	cal							Yes
virus0000030_03	dark	00:01	360			VIRUS	cal							Yes
0001	twilight	01:55	298.2			HPF	cal					372		Yes
lrs20000001_01	skyflat	02:04	7			LRS2	cal							Yes
lrs20000002_01	skyflat	02:05	10			LRS2	cal							Yes
lrs20000003_01	skyflat	02:06	13			LRS2	cal							Yes
lrs20000004_01	skyflat	02:07	16			LRS2	cal							Yes
lrs20000005_01	skyflat	02:08	22			LRS2	cal							Yes
lrs20000006_01	skyflat	02:10	30			LRS2	cal							Yes
virus0000001_01	skyflat	02:13	7			VIRUS	cal							Yes
virus0000002_01	skyflat	02:14	10			VIRUS	cal							Yes
virus0000003_01	skyflat	02:16	14			VIRUS	cal							Yes
virus0000004_01	skyflat	02:17	18			VIRUS	cal							Yes
virus0000005_01	skyflat	02:19	26			VIRUS	cal							Yes
lrs20000007_01	1812095_056_E	03:03	120	6.0		LRS2	spec	1.68	0.96	21.36	0.84			Yes
lrs20000008_01	1812095_066_E	03:08	120	3.0		LRS2	spec	1.88	1.58	20.62	1.12			Yes
virus0000006_01	1812095_052_E	03:14	60	4.0		VIRUS	spec	1.54	1.31	21.21	0.89			Yes
virus0000006_02	1812095_052_E	03:17	60	2.0		VIRUS	spec	1.82	1.31	21.04	0.89			Yes
virus0000006_03	1812095_052_E	03:19	60	1.0		VIRUS	spec	1.69	1.50	20.93	0.89			Yes
0002	LFC Cal	03:46	106.5			HPF	cal							Yes
virus0000007_01	parallel	03:46	6972			VIRUS	sci							Yes
lrs20000009_01	parallel	03:46	6972	25.8	UT26-2-013	LRS2-B	sci	1.24	0.85	19.51	0.83		Guide stars off from expected target position in no consistent direction. Tried to center target as best as possible. Please review data and reject if needed.	Yes
0003	LFC Cal	03:48	106.5			HPF	cal							Yes
0004	LFC Cal	03:51	106.5			HPF	cal							Yes
0005	parallel	05:49	969.1	6.8	UT26-2-007	HPF	sci	1.27	0.62	19.47	0.86	35		P4
virus0000008_01	parallel	05:49	1000			VIRUS	sci							Yes
virus0000009_01	parallel	06:25	1000			VIRUS	sci							Yes
0006	parallel	06:26	969.1	7.8	UT26-2-007	HPF	sci	1.48	0.77	19.05	0.96	122		P4
virus0000010_01	parallel	06:47	1000			VIRUS	sci							Yes
0007	parallel	06:48	969.1	5.8	UT26-2-007	HPF	sci	1.71	1.04	19.39	0.95	99		P4
0008	parallel	07:10	969.1	6.8	UT26-2-007	HPF	sci	1.64	0.85	18.34	0.85	67	heavy clouds starting quarter way through exposure; metrology lost after this so values incorrect for full exposure	No
virus0000011_01	parallel	07:10	1000			VIRUS	sci							Yes
0009	Etalon Cal	08:31	159.8			HPF	cal							Yes
0010	Etalon Cal	08:34	159.8			HPF	cal							Yes
0011	Etalon Cal	08:37	159.8			HPF	cal							Yes
0012	Etalon Cal	08:40	159.8			HPF	cal							Yes
0013	Etalon Cal	08:43	159.8			HPF	cal							Yes
0014	Etalon Cal	08:47	159.8			HPF	cal							Yes
0015	Etalon Cal	08:50	159.8			HPF	cal							Yes
0016	Etalon Cal	08:53	159.8			HPF	cal							Yes
0017	Etalon Cal	08:56	159.8			HPF	cal							Yes
0018	LFC Cal	09:00	106.5			HPF	cal							Yes
0019	LFC Cal	09:02	106.5			HPF	cal							Yes
0020	LFC Cal	09:04	106.5			HPF	cal							Yes
0021	LFC Cal	09:07	106.5			HPF	cal							Yes
0022	LFC Cal	09:09	106.5			HPF	cal							Yes
0023	LFC Cal	09:11	106.5			HPF	cal							Yes
0024	LFC Cal	09:14	106.5			HPF	cal							Yes
0025	LFC Cal	09:16	106.5			HPF	cal							Yes
0026	LFC Cal	09:18	106.5			HPF	cal							Yes
0027	Etalon Cal	09:21	159.8			HPF	cal							Yes
0028	Etalon Cal	09:24	159.8			HPF	cal							Yes
0029	Etalon Cal	09:27	159.8			HPF	cal							Yes
0030	Etalon Cal	09:30	159.8			HPF	cal							Yes
0031	Etalon Cal	09:34	159.8			HPF	cal							Yes
0032	Etalon Cal	09:37	159.8			HPF	cal							Yes
0033	Etalon Cal	09:40	159.8			HPF	cal							Yes
0034	Etalon Cal	09:43	159.8			HPF	cal							Yes
0035	Etalon Cal	09:46	159.8			HPF	cal							Yes
0036	LFC Cal	09:50	106.5			HPF	cal							Yes
0037	LFC Cal	09:52	106.5			HPF	cal							Yes
0038	LFC Cal	09:55	106.5			HPF	cal							Yes
0039	LFC Cal	09:57	106.5			HPF	cal							Yes
0040	LFC Cal	09:59	106.5			HPF	cal							Yes
0041	LFC Cal	10:02	106.5			HPF	cal							Yes
0042	LFC Cal	10:04	106.5			HPF	cal							Yes
0043	LFC Cal	10:06	106.5			HPF	cal							Yes
0044	LFC Cal	10:08	106.5			HPF	cal							Yes
0045	Etalon Cal	10:11	159.8			HPF	cal							Yes
0046	Etalon Cal	10:14	159.8			HPF	cal							Yes
0047	Etalon Cal	10:18	159.8			HPF	cal							Yes
0048	Etalon Cal	10:21	159.8			HPF	cal							Yes
0049	Etalon Cal	10:24	159.8			HPF	cal							Yes
0050	Etalon Cal	10:27	159.8			HPF	cal							Yes
0051	Etalon Cal	10:30	159.8			HPF	cal							Yes
0052	Etalon Cal	10:34	159.8			HPF	cal							Yes
0053	Etalon Cal	10:37	159.8			HPF	cal							Yes
0054	LFC Cal	10:40	106.5			HPF	cal							Yes
0055	LFC Cal	10:43	106.5			HPF	cal							Yes
0056	LFC Cal	10:45	106.5			HPF	cal							Yes
0057	LFC Cal	10:47	106.5			HPF	cal							Yes
lrs20000010_01	bias	10:52	0			LRS2	cal							Yes
virus0000012_01	bias	10:52	0			VIRUS	cal							Yes
virus0000013_01	Cd-A	10:57	15		ENG26-2-002	VIRUS	cal							Yes
virus0000014_01	Hg	10:58	15		ENG26-2-002	VIRUS	cal							Yes
virus0006060_01	flat_Qth	11:10	15			VIRUS	cal							Yes
virus0006061_01	bias	11:12	0			VIRUS	cal							Yes
0058	Dark	11:18	319.5			HPF	cal							Yes
0059	Quartz FCU	11:30	74.5			HPF	cal							Yes
0060	Quartz FCU	11:31	74.5			HPF	cal							Yes
0061	Quartz FCU	11:33	74.5			HPF	cal							Yes
0062	Quartz FCU	11:35	74.5			HPF	cal							Yes
0063	Quartz FCU	11:37	74.5			HPF	cal							Yes
0064	Quartz FCU	11:39	74.5			HPF	cal							Yes
0065	Quartz FCU	11:40	74.5			HPF	cal							Yes
0066	Alpha Bright Cal	11:43	85.2			HPF	cal							Yes
0067	Alpha Bright Cal	11:45	85.2			HPF	cal							Yes
0068	Alpha Bright Cal	11:47	85.2			HPF	cal							Yes
0069	Alpha Bright Cal	11:49	85.2			HPF	cal							Yes
0070	LFC FCU	11:51	106.5			HPF	cal							Yes
0071	LFC FCU	11:53	106.5			HPF	cal							Yes
0072	LFC FCU	11:56	106.5			HPF	cal							Yes
0073	LFC FCU	11:58	106.5			HPF	cal							Yes
0074	LFC FCU	12:00	106.5			HPF	cal							Yes
0075	LFC FCU	12:03	106.5			HPF	cal							Yes
0076	LFC Cal	12:06	106.5			HPF	cal							Yes
0077	LFC Cal	12:08	106.5			HPF	cal							Yes
0078	Etalon Cal	12:16	159.8			HPF	cal							Yes
0079	Etalon Cal	12:19	159.8			HPF	cal							Yes
0080	Etalon Cal	12:22	159.8			HPF	cal							Yes
0081	Etalon Cal	12:25	159.8			HPF	cal							Yes
0082	UNe Slave Cal	12:29	426			HPF	cal							Yes
0083	UNe Slave Cal	12:37	426			HPF	cal							Yes
0084	UNe Slave Cal	12:44	426			HPF	cal							Yes
0085	UNe Slave Cal	12:52	426			HPF	cal							Yes
0086	UNe Slave Cal	13:00	426			HPF	cal							Yes
0087	UNe Slave Cal	13:08	426			HPF	cal							Yes
0088	Etalon Cal	13:45	159.8			HPF	cal							Yes
0089	Etalon Cal	13:48	159.8			HPF	cal							Yes
0090	Etalon Cal	13:51	159.8			HPF	cal							Yes
0091	Etalon Cal	13:54	159.8			HPF	cal							Yes
0092	Etalon Cal	13:58	159.8			HPF	cal							Yes
0093	Etalon Cal	14:01	159.8			HPF	cal							Yes
0094	Etalon Cal	14:04	159.8			HPF	cal							Yes
0095	Etalon Cal	14:07	159.8			HPF	cal							Yes
0096	Etalon Cal	14:10	159.8			HPF	cal							Yes
0097	LFC Cal	14:14	106.5			HPF	cal							Yes
0098	LFC Cal	14:16	106.5			HPF	cal							Yes
0099	LFC Cal	14:19	106.5			HPF	cal							Yes
0100	LFC Cal	14:21	106.5			HPF	cal							Yes
0101	LFC Cal	14:23	106.5			HPF	cal							Yes
0102	LFC Cal	14:26	106.5			HPF	cal							Yes
0103	LFC Cal	14:28	106.5			HPF	cal							Yes
0104	LFC Cal	14:30	106.5			HPF	cal							Yes
0105	LFC Cal	14:33	106.5			HPF	cal							Yes
0106	Etalon Cal	14:35	159.8			HPF	cal							Yes
0107	Etalon Cal	14:38	159.8			HPF	cal							Yes
0108	Etalon Cal	14:42	159.8			HPF	cal							Yes
0109	Etalon Cal	14:45	159.8			HPF	cal							Yes
0110	Etalon Cal	14:48	159.8			HPF	cal							Yes
0111	Etalon Cal	14:51	159.8			HPF	cal							Yes
0112	Etalon Cal	14:54	159.8			HPF	cal							Yes
0113	Etalon Cal	14:58	159.8			HPF	cal							Yes
0067	LFC Cal	21:43	106.5			HPF	cal							Yes
lrs20009900_01	bias	21:55	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	21:56	20			VIRUS	cal							Yes
virus0009901_01	bias	21:58	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	21:58	20			LRS2	cal							Yes
virus0009902_01	dark	22:00	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:00	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:02	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:03	15			LRS2	cal							Yes
0068	Dark	22:11	319.5			HPF	cal							Yes
0069	Quartz FCU	22:18	74.5			HPF	cal							Yes
0070	Quartz FCU	22:19	74.5			HPF	cal							Yes
0071	Quartz FCU	22:21	74.5			HPF	cal							Yes
0072	Quartz FCU	22:23	74.5			HPF	cal							Yes
0073	Quartz FCU	22:25	74.5			HPF	cal							Yes
0074	Quartz FCU	22:26	74.5			HPF	cal							Yes
0075	Quartz FCU	22:28	74.5			HPF	cal							Yes
0076	Alpha Bright Cal	22:31	85.2			HPF	cal							Yes
0077	Alpha Bright Cal	22:33	85.2			HPF	cal							Yes
0078	Alpha Bright Cal	22:34	85.2			HPF	cal							Yes
0079	Alpha Bright Cal	22:36	85.2			HPF	cal							Yes
0080	LFC FCU	22:39	106.5			HPF	cal							Yes
0081	LFC FCU	22:41	106.5			HPF	cal							Yes
0082	LFC Cal	22:44	106.5			HPF	cal							Yes
0083	LFC Cal	22:47	106.5			HPF	cal							Yes
0084	Etalon Cal	22:49	159.8			HPF	cal							Yes
0085	UNe Slave Cal	22:53	426			HPF	cal							Yes
lrs20000010_01	flat_Qth_R	22:54	15			LRS2	cal							Yes
lrs20000010_02	flat_Qth_R	22:55	15			LRS2	cal							Yes
lrs20000010_03	flat_Qth_R	22:57	15			LRS2	cal							Yes
lrs20000010_04	flat_Qth_R	22:58	15			LRS2	cal							Yes
lrs20000010_05	flat_Qth_R	22:59	15			LRS2	cal							Yes
lrs20000011_01	flat_ldls_long_B	23:00	20			LRS2	cal							Yes
0086	UNe Slave Cal	23:01	426			HPF	cal							Yes
lrs20000011_02	flat_ldls_long_B	23:02	20			LRS2	cal							Yes
lrs20000011_03	flat_ldls_long_B	23:03	20			LRS2	cal							Yes
lrs20000012_01	Cd-A_B	23:04	29			LRS2	cal							Yes
lrs20000012_02	Cd-A_B	23:06	29			LRS2	cal							Yes
lrs20000012_03	Cd-A_B	23:07	29			LRS2	cal							Yes
0087	UNe Slave Cal	23:08	426			HPF	cal							Yes
lrs20000013_01	FeAr_R	23:09	15			LRS2	cal							Yes
lrs20000013_02	FeAr_R	23:10	15			LRS2	cal							Yes
lrs20000013_03	FeAr_R	23:11	15			LRS2	cal							Yes
lrs20000014_01	Hg_R	23:12	20			LRS2	cal							Yes
lrs20000014_02	Hg_R	23:14	20			LRS2	cal							Yes
lrs20000014_03	Hg_R	23:15	20			LRS2	cal							Yes
0088	UNe Slave Cal	23:16	426			HPF	cal							Yes
lrs20000015_01	Hg_B	23:16	15			LRS2	cal							Yes
lrs20000015_02	Hg_B	23:17	15			LRS2	cal							Yes
lrs20000015_03	Hg_B	23:19	15			LRS2	cal							Yes
0089	UNe Slave Cal	23:24	426			HPF	cal							Yes
virus0000026_01	flat_ldls_long	23:25	15			VIRUS	cal							Yes
virus0000026_02	flat_ldls_long	23:27	15			VIRUS	cal							Yes
virus0000026_03	flat_ldls_long	23:28	15			VIRUS	cal							Yes
virus0000027_01	Cd-A	23:29	15			VIRUS	cal							Yes
virus0000027_02	Cd-A	23:31	15			VIRUS	cal							Yes
0090	UNe Slave Cal	23:32	426			HPF	cal							Yes
virus0000027_03	Cd-A	23:32	15			VIRUS	cal							Yes
virus0000028_01	Hg	23:34	15			VIRUS	cal							Yes
virus0000028_02	Hg	23:35	15			VIRUS	cal							Yes
virus0000028_03	Hg	23:36	15			VIRUS	cal							Yes
lrs20000016_01	bias	23:38	0			LRS2	cal							Yes
virus0000029_01	bias	23:38	0			VIRUS	cal							Yes
lrs20000016_02	bias	23:38	0			LRS2	cal							Yes
virus0000029_02	bias	23:39	0			VIRUS	cal							Yes
lrs20000016_03	bias	23:39	0			LRS2	cal							Yes
virus0000029_03	bias	23:39	0			VIRUS	cal							Yes
lrs20000016_04	bias	23:40	0			LRS2	cal							Yes
virus0000029_04	bias	23:40	0			VIRUS	cal							Yes
lrs20000016_05	bias	23:41	0			LRS2	cal							Yes
virus0000029_05	bias	23:41	0			VIRUS	cal							Yes
lrs20000016_06	bias	23:42	0			LRS2	cal							Yes
virus0000029_06	bias	23:42	0			VIRUS	cal							Yes
lrs20000016_07	bias	23:43	0			LRS2	cal							Yes
virus0000029_07	bias	23:43	0			VIRUS	cal							Yes
lrs20000016_08	bias	23:43	0			LRS2	cal							Yes
virus0000029_08	bias	23:44	0			VIRUS	cal							Yes
lrs20000016_09	bias	23:44	0			LRS2	cal							Yes
virus0000029_09	bias	23:45	0			VIRUS	cal							Yes
lrs20000016_10	bias	23:45	0			LRS2	cal							Yes
virus0000029_10	bias	23:45	0			VIRUS	cal							Yes
lrs20000016_11	bias	23:46	0			LRS2	cal							Yes
virus0000029_11	bias	23:46	0			VIRUS	cal							Yes
lrs20000017_01	dark	23:47	360			LRS2	cal							Yes
virus0000030_01	dark	23:47	360			VIRUS	cal							Yes
lrs20000017_02	dark	23:54	360			LRS2	cal							Yes
virus0000030_02	dark	23:54	360			VIRUS	cal							Yes

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