HET Night Report Reader

Civil Date	Ephemerides
2026-08-14	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:46	02:34	03:05	10:55	11:27	12:16	-	02:51
Night Length	7:50		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator	OPS Engineer	Day Ops
Tyler Ryburn	Cassie Crowe	-	-

Overlaps		none

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
04:07	21.4	19.9	05:46	clouds	01:39
06:25	19.8	20.1	08:10	clouds	01:45
08:30	19.8	20.1	11:35	twilight	03:05
Total Time Open					6:29

Program	Night Priority	Science
03:05	Idle due to weather (clouds/radar)
04:47	Science
05:37	Idle due to weather (clouds)
06:25	Science
06:35	Idle due to weather (poor transparency)
08:52	Science
09:33	Idle due to weather (poor transparency)
10:10	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
04:07	04:46	0.39	0.60	-400	+759	20.4	20.2	20.1	190	11	First of Night
↪ Comments			Pistoned 4:2 and 2:4 by +20
11:26	11:32	0.82	1.19	-520	+1512	18.2	18.7	18.7	291	14	Post-Observing

Problem Reports
PR Number	Times	Time Lost	Description	Response
6328	04:31-04:37	00:06	Piston Donuted Segments
6706	04:47-04:52	00:05	Guider 2 transparency jumps on setup complete	Relied on guider 1
6707	09:39-10:23	00:44	SCS stopped moving without error and SAMS stopped measuring

Ops Comments	none

TO Comments	Closed in first hours for radar. Fighting clouds most of the rest of 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
virus0000017_01	Hg	00:01	15			VIRUS	cal							Yes
virus0000017_02	Hg	00:02	15			VIRUS	cal							Yes
virus0000017_03	Hg	00:03	15			VIRUS	cal							Yes
lrs20000001_01	bias	00:05	0			LRS2	cal							Yes
virus0000001_01	bias	00:05	0			VIRUS	cal							Yes
lrs20000001_02	bias	00:05	0			LRS2	cal							Yes
virus0000001_02	bias	00:06	0			VIRUS	cal							Yes
lrs20000001_03	bias	00:06	0			LRS2	cal							Yes
virus0000001_03	bias	00:07	0			VIRUS	cal							Yes
lrs20000001_04	bias	00:07	0			LRS2	cal							Yes
virus0000001_04	bias	00:07	0			VIRUS	cal							Yes
lrs20000001_05	bias	00:08	0			LRS2	cal							Yes
virus0000001_05	bias	00:08	0			VIRUS	cal							Yes
lrs20000001_06	bias	00:09	0			LRS2	cal							Yes
virus0000001_06	bias	00:09	0			VIRUS	cal							Yes
lrs20000001_07	bias	00:10	0			LRS2	cal							Yes
virus0000001_07	bias	00:10	0			VIRUS	cal							Yes
lrs20000001_08	bias	00:11	0			LRS2	cal							Yes
virus0000001_08	bias	00:11	0			VIRUS	cal							Yes
lrs20000001_09	bias	00:11	0			LRS2	cal							Yes
virus0000001_09	bias	00:12	0			VIRUS	cal							Yes
lrs20000001_10	bias	00:12	0			LRS2	cal							Yes
virus0000001_10	bias	00:13	0			VIRUS	cal							Yes
lrs20000001_11	bias	00:13	0			LRS2	cal							Yes
virus0000001_11	bias	00:14	0			VIRUS	cal							Yes
lrs20000002_01	dark	00:14	360			LRS2	cal							Yes
virus0000002_01	dark	00:14	360			VIRUS	cal							Yes
lrs20000002_02	dark	00:21	360			LRS2	cal							Yes
virus0000002_02	dark	00:21	360			VIRUS	cal							Yes
lrs20000002_03	dark	00:28	360			LRS2	cal							Yes
virus0000002_03	dark	00:28	360			VIRUS	cal							Yes
0001	LFC Cal	02:19	106.5			HPF	cal							Yes
0002	LFC Cal	02:22	106.5			HPF	cal							Yes
0003	LFC Cal	02:24	106.5			HPF	cal							Yes
lrs20000003_01	1812095_056_W	04:51	120	4.0		LRS2	spec	2.03		22.08	0.65			Yes
lrs20000004_01	1812095_066_W	04:57	120	4.0		LRS2	spec	2.54		20.86	0.66			Yes
virus0000003_01	1812095_052_W	05:04	60	5.0		VIRUS	spec	2.51		22.05	0.43			Yes
virus0000003_02	1812095_052_W	05:06	60	1.0		VIRUS	spec	2.26		22.05	0.39			Yes
virus0000003_03	1812095_052_W	05:08	60	1.0		VIRUS	spec	2.14		22.03	0.40			Yes
0004	LFC Cal	05:14	106.5			HPF	cal							Yes
virus0000004_01	parallel	05:14	300			VIRUS	sci							Yes
lrs20000005_01	QID 71	05:14	300	5.0	PSU26-3-002	LRS2-B	sci	1.64		21.84	0.37			P4
0005	LFC Cal	05:17	106.5			HPF	cal							Yes
0006	LFC Cal	05:24	106.5			HPF	cal							Yes
lrs20000006_01	QID 70	05:24	180	5.0	PSU26-3-002	LRS2-R	sci	1.69		20.88	0.65			P4
0007	LFC Cal	05:32	106.5			HPF	cal							Yes
virus0000005_01	parallel	05:32	300			VIRUS	sci							Yes
lrs20000007_01	QID 32	05:32	300	5.0	PSU26-3-002	LRS2-R	sci	1.59		20.84	0.56			P4
0008	LFC Cal	05:34	106.5			HPF	cal							Yes
0009	LFC Cal	06:30	106.5			HPF	cal							Yes
lrs20000008_01	QID 34	06:30	300	5.0	PSU26-3-002	LRS2-R	sci	1.90		20.94	0.61			P4
virus0000006_01	parallel	06:30	300			VIRUS	sci							Yes
0010	LFC Cal	06:33	106.5			HPF	cal							Yes
virus0000007_01	parallel	06:42	2100			VIRUS	sci							Yes
lrs20000009_01	QID 963	06:42	2100	7.0	PSU26-3-006	LRS2-B	sci	1.89		21.84	0.27		poor transparency	No
0011	LFC Cal	06:43	106.5			HPF	cal							Yes
0012	LFC Cal	06:45	106.5			HPF	cal							Yes
0013	LFC Cal	06:47	106.5			HPF	cal							Yes
0014	LFC Cal	07:23	106.5			HPF	cal							Yes
lrs20000010_01	parallel	07:23	360			LRS2	sci							Yes
virus0000008_01	QID 827	07:23	360	6.0	UT26-3-014	VIRUS	sci	1.83		21.77	0.35		poor transparency	No
0015	LFC Cal	07:25	106.5			HPF	cal							Yes
lrs20000010_02	parallel	07:30	360			LRS2	sci							Yes
virus0000008_02	QID 827	07:30	360	1.0	UT26-3-014	VIRUS	sci	1.72		21.84	0.41			No
lrs20000010_03	parallel	07:37	360			LRS2	sci							Yes
virus0000008_03	QID 827	07:37	360	1.0	UT26-3-014	VIRUS	sci	1.81		21.87	0.55			No
lrs20000011_01	parallel	07:47	360			LRS2	sci							Yes
virus0000009_01	QID 826	07:47	360	4.0	UT26-3-014	VIRUS	sci	1.73		21.76	0.61		poor transparency	No
0016	LFC Cal	07:48	106.5			HPF	cal							Yes
0017	LFC Cal	07:50	106.5			HPF	cal							Yes
lrs20000011_02	parallel	07:55	360			LRS2	sci							Yes
virus0000009_02	QID 826	07:55	360	2.0	UT26-3-014	VIRUS	sci	1.65		21.60	0.32			No
lrs20000011_03	parallel	08:02	360			LRS2	sci							Yes
virus0000009_03	QID 826	08:02	360	1.0	UT26-3-014	VIRUS	sci	2.17		21.55	0.24			No
virus0000010_01	parallel	08:36	1914.8			VIRUS	sci							Yes
0018	QID 197	08:37	915.9	5.7	PSU26-3-010	HPF	sci	1.56		19.80	0.10	24	poor transparency	No
0019	LFC Cal	08:56	106.5			HPF	cal							Yes
virus0000011_01	parallel	09:01	1914.8			VIRUS	sci							Yes
0020	QID 225	09:02	915.9	9.7	G26-3-002	HPF	sci	1.79		19.99	0.66	101		Yes
0021	QID 225	09:18	915.9	0.7	G26-3-002	HPF	sci	2.02		19.97	0.64	92		Yes
0022	LFC Cal	09:35	106.5			HPF	cal							Yes
lrs20000012_01	parallel	09:41	360			LRS2	sci							Yes
virus0000012_01	QID 835	09:41	360	8.0	UT26-3-014	VIRUS	sci	2.58		21.61	0.36		poor transparency	No
0023	LFC Cal	09:42	106.5			HPF	cal							Yes
0024	LFC Cal	09:44	106.5			HPF	cal							Yes
lrs20000012_02	parallel	09:49	360			LRS2	sci							Yes
virus0000012_02	QID 835	09:49	360	2.0	UT26-3-014	VIRUS	sci	2.39		21.63	0.52			No
lrs20000012_03	parallel	09:56	360			LRS2	sci							Yes
virus0000012_03	QID 835	09:56	360	1.0	UT26-3-014	VIRUS	sci	2.27		21.62	0.53			No
lrs20000013_01	QID 72	10:13	60	3.0	PSU26-3-002	LRS2-B	sci	2.42		21.80	0.39			P4
0025	LFC Cal	10:20	106.5			HPF	cal							Yes
virus0000013_01	parallel	10:20	300			VIRUS	sci							Yes
lrs20000014_01	QID 37	10:20	300	6.0	PSU26-3-002	LRS2-R	sci	2.19		20.76	0.68			P4
0026	LFC Cal	10:23	106.5			HPF	cal							Yes
0027	LFC Cal	10:31	106.5			HPF	cal							Yes
virus0000014_01	parallel	10:31	300			VIRUS	sci							Yes
lrs20000015_01	QID 38	10:31	300	6.0	PSU26-3-002	LRS2-R	sci	2.16		20.73	0.73			P4
0028	LFC Cal	10:33	106.5			HPF	cal							Yes
0029	LFC Cal	10:42	106.5			HPF	cal							Yes
lrs20000016_01	QID 866	10:42	180	6.0	UT26-3-009	LRS2-B	sci	2.13		21.85	0.79			Yes
0030	LFC Cal	10:48	106.5			HPF	cal							Yes
virus0000015_01	parallel	10:48	360			VIRUS	sci							Yes
lrs20000017_01	QID 867	10:48	360	3.0	UT26-3-009	LRS2-R	sci	2.32		20.79	0.99			Yes
0031	LFC Cal	10:51	106.5			HPF	cal							Yes
virus0000016_01	parallel	11:00	1500			VIRUS	sci							Yes
0032	LFC Cal	11:01	106.5			HPF	cal							Yes
lrs20000018_01	QID 13	11:01	1500	7.0	PSU26-3-007	LRS2-B	sci	2.54		21.08	0.79			Yes
0033	LFC Cal	11:03	106.5			HPF	cal							Yes
0034	LFC Cal	11:05	106.5			HPF	cal							Yes
lrs20000019_01	bias	11:27	0			LRS2	cal							Yes
virus0000017_01	bias	11:28	0			VIRUS	cal							Yes
virus0000018_01	Cd-A	11:32	15		ENG26-3-002	VIRUS	cal							Yes
virus0000019_01	Hg	11:33	15		ENG26-3-002	VIRUS	cal							Yes
0035	Dark	11:42	319.5			HPF	cal							Yes
0036	Quartz FCU	11:53	74.5			HPF	cal							Yes
0037	Quartz FCU	11:55	74.5			HPF	cal							Yes
0038	Quartz FCU	11:57	74.5			HPF	cal							Yes
0039	Quartz FCU	11:59	74.5			HPF	cal							Yes
0040	Quartz FCU	12:00	74.5			HPF	cal							Yes
0041	Quartz FCU	12:02	74.5			HPF	cal							Yes
0042	Quartz FCU	12:04	74.5			HPF	cal							Yes
0043	Alpha Bright Cal	12:06	85.2			HPF	cal							Yes
0044	Alpha Bright Cal	12:08	85.2			HPF	cal							Yes
0045	Alpha Bright Cal	12:10	85.2			HPF	cal							Yes
0046	Alpha Bright Cal	12:12	85.2			HPF	cal							Yes
0047	LFC FCU	12:15	106.5			HPF	cal							Yes
0048	LFC FCU	12:17	106.5			HPF	cal							Yes
0049	LFC FCU	12:19	106.5			HPF	cal							Yes
0050	LFC FCU	12:22	106.5			HPF	cal							Yes
0051	LFC FCU	12:24	106.5			HPF	cal							Yes
0052	LFC FCU	12:26	106.5			HPF	cal							Yes
0053	LFC Cal	12:29	106.5			HPF	cal							Yes
0054	LFC Cal	12:32	106.5			HPF	cal							Yes
0055	Etalon Cal	12:39	159.8			HPF	cal							Yes
0056	Etalon Cal	12:43	159.8			HPF	cal							Yes
0057	Etalon Cal	12:46	159.8			HPF	cal							Yes
0058	Etalon Cal	12:49	159.8			HPF	cal							Yes
0059	UNe Slave Cal	12:52	426			HPF	cal							Yes
0060	UNe Slave Cal	13:00	426			HPF	cal							Yes
0061	UNe Slave Cal	13:08	426			HPF	cal							Yes
0062	UNe Slave Cal	13:16	426			HPF	cal							Yes
0063	UNe Slave Cal	13:24	426			HPF	cal							Yes
0064	UNe Slave Cal	13:31	426			HPF	cal							Yes
virus0008100_01	dark	18:40	20			VIRUS	cal							Yes
virus0008100_02	dark	18:41	20			VIRUS	cal							Yes
virus0008101_01	flat_ldls_long	18:45	15			VIRUS	cal							Yes
virus0008101_02	flat_ldls_long	18:46	15			VIRUS	cal							Yes
virus0008102_01	bias	18:48	0			VIRUS	cal							Yes
virus0008102_02	bias	18:49	0			VIRUS	cal							Yes
0056	LFC Cal	21:44	106.5			HPF	cal							Yes
0057	LFC Cal	22:06	106.5			HPF	cal							Yes
lrs20009900_01	bias	22:18	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	22:19	20			VIRUS	cal							Yes
virus0009901_01	bias	22:20	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	22:21	20			LRS2	cal							Yes
virus0009902_01	dark	22:22	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:23	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:24	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:26	15			LRS2	cal							Yes
0058	LFC Cal	22:27	106.5			HPF	cal							Yes
0059	Dark	22:37	319.5			HPF	cal							Yes
0060	Quartz FCU	22:44	74.5			HPF	cal							Yes
0061	Quartz FCU	22:46	74.5			HPF	cal							Yes
0062	Quartz FCU	22:47	74.5			HPF	cal							Yes
0063	Quartz FCU	22:49	74.5			HPF	cal							Yes
0064	Quartz FCU	22:51	74.5			HPF	cal							Yes
0065	Quartz FCU	22:53	74.5			HPF	cal							Yes
0066	Quartz FCU	22:55	74.5			HPF	cal							Yes
0067	Alpha Bright Cal	22:57	85.2			HPF	cal							Yes
0068	Alpha Bright Cal	22:59	85.2			HPF	cal							Yes
0069	Alpha Bright Cal	23:01	85.2			HPF	cal							Yes
0070	Alpha Bright Cal	23:03	85.2			HPF	cal							Yes
0071	LFC FCU	23:05	106.5			HPF	cal							Yes
0072	LFC FCU	23:08	106.5			HPF	cal							Yes
0073	LFC Cal	23:11	106.5			HPF	cal							Yes
0074	LFC Cal	23:13	106.5			HPF	cal							Yes
0075	Etalon Cal	23:16	159.8			HPF	cal							Yes
0076	UNe Slave Cal	23:19	426			HPF	cal							Yes
lrs20000014_01	flat_Qth_R	23:21	15			LRS2	cal							Yes
lrs20000014_02	flat_Qth_R	23:22	15			LRS2	cal							Yes
lrs20000014_03	flat_Qth_R	23:24	15			LRS2	cal							Yes
lrs20000014_04	flat_Qth_R	23:25	15			LRS2	cal							Yes
lrs20000014_05	flat_Qth_R	23:26	15			LRS2	cal							Yes
0077	UNe Slave Cal	23:27	426			HPF	cal							Yes
lrs20000015_01	flat_ldls_long_B	23:27	20			LRS2	cal							Yes
lrs20000015_02	flat_ldls_long_B	23:29	20			LRS2	cal							Yes
lrs20000015_03	flat_ldls_long_B	23:30	20			LRS2	cal							Yes
lrs20000016_01	Cd-A_B	23:31	29			LRS2	cal							Yes
lrs20000016_02	Cd-A_B	23:33	29			LRS2	cal							Yes
lrs20000016_03	Cd-A_B	23:34	29			LRS2	cal							Yes
0078	UNe Slave Cal	23:35	426			HPF	cal							Yes
lrs20000017_01	FeAr_R	23:36	15			LRS2	cal							Yes
lrs20000017_02	FeAr_R	23:37	15			LRS2	cal							Yes
lrs20000017_03	FeAr_R	23:38	15			LRS2	cal							Yes
lrs20000018_01	Hg_R	23:39	20			LRS2	cal							Yes
lrs20000018_02	Hg_R	23:41	20			LRS2	cal							Yes
lrs20000018_03	Hg_R	23:42	20			LRS2	cal							Yes
0079	UNe Slave Cal	23:43	426			HPF	cal							Yes
lrs20000019_01	Hg_B	23:43	15			LRS2	cal							Yes
lrs20000019_02	Hg_B	23:44	15			LRS2	cal							Yes
lrs20000019_03	Hg_B	23:46	15			LRS2	cal							Yes
0080	UNe Slave Cal	23:50	426			HPF	cal							Yes
virus0000015_01	flat_ldls_long	23:52	15			VIRUS	cal							Yes
virus0000015_02	flat_ldls_long	23:54	15			VIRUS	cal							Yes
virus0000015_03	flat_ldls_long	23:55	15			VIRUS	cal							Yes
virus0000016_01	Cd-A	23:56	15			VIRUS	cal							Yes
0081	UNe Slave Cal	23:58	426			HPF	cal							Yes
virus0000016_02	Cd-A	23:58	15			VIRUS	cal							Yes
virus0000016_03	Cd-A	23:59	15			VIRUS	cal							Yes

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