HET Night Report Reader

Civil Date	Ephemerides
2026-07-21	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	02:05	02:56	03:30	10:34	11:08	12:00	-	06:22
Night Length	7:04		Sunset Temperature

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

Overlaps		none

Other Personnel	Zach Vanderbosch

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
02:00	22.7	21.2	11:11	twilight	09:11
Total Time Open					9:11

Program	Night Priority	Science
03:30	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
02:50	03:28	0.44	0.65	-360	-448	21.5	20.9	20.9	197	2	First of Night
11:03	11:10	0.53	0.81	-280	+229	21.3	20.5	20.6	184	5	Post-Observing

Problem Reports					no PRs

Ops Comments	none

TO Comments	Clear and calm night with good seeing.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
lrs20000001_01	skyflat	02:10	7			LRS2	cal							Yes
lrs20000002_01	skyflat	02:11	10			LRS2	cal							Yes
lrs20000003_01	skyflat	02:12	13			LRS2	cal							Yes
lrs20000004_01	skyflat	02:14	16			LRS2	cal							Yes
lrs20000005_01	skyflat	02:15	22			LRS2	cal							Yes
lrs20000006_01	skyflat	02:16	30			LRS2	cal							Yes
virus0000001_01	skyflat	02:20	7			VIRUS	cal							Yes
virus0000002_01	skyflat	02:21	10			VIRUS	cal							Yes
virus0000003_01	skyflat	02:22	14			VIRUS	cal							Yes
virus0000004_01	skyflat	02:24	18			VIRUS	cal							Yes
virus0000005_01	skyflat	02:25	26			VIRUS	cal							Yes
lrs20000007_01	1812095_056_E	03:34	120	5.0		LRS2	spec	1.49		20.57	0.81			Yes
lrs20000008_01	1812095_066_E	03:38	120	2.0		LRS2	spec	1.57		20.25	1.08			Yes
virus0000006_01	1812095_052_E	03:44	60	4.0		VIRUS	spec	1.55		20.57	0.81			Yes
virus0000006_02	1812095_052_E	03:46	60	1.0		VIRUS	spec	1.47		20.57	0.84			Yes
virus0000006_03	1812095_052_E	03:49	60	2.0		VIRUS	spec	1.35		20.58	0.86			Yes
0001	LFC Cal	03:55	106.5			HPF	cal							Yes
virus0000007_01	parallel	03:55	6947			VIRUS	sci							Yes
lrs20000009_01	parallel	03:55	6947	5.2	UT26-2-013	LRS2-B	sci	1.28	0.81	20.64	0.78			Yes
0002	LFC Cal	03:57	106.5			HPF	cal							Yes
0003	LFC Cal	04:00	106.5			HPF	cal							Yes
0004	parallel	06:00	969.1	8.8	PSU26-2-016	HPF	sci	1.16	0.74	20.17	0.95	55		Yes
virus0000008_01	parallel	06:00	3000			VIRUS	sci							Yes
0005	parallel	06:17	969.1	0.8	PSU26-2-016	HPF	sci	1.22	0.95	20.43	0.90	63		Yes
0006	parallel	06:34	969.1	0.8	PSU26-2-016	HPF	sci	1.25	0.85	20.59	0.87	54		Yes
0007	LFC Cal	06:56	106.5			HPF	cal							Yes
lrs20000010_01	parallel	06:56	180	6.0	UT26-2-017	LRS2-B	sci	1.48	0.73	21.98	0.63			P4
0008	LFC Cal	07:02	106.5			HPF	cal							Yes
virus0000009_01	parallel	07:02	360			VIRUS	sci							Yes
lrs20000011_01	parallel	07:02	360	3.0	UT26-2-017	LRS2-R	sci	1.23	0.66	21.08	0.86			P4
0009	LFC Cal	07:05	106.5			HPF	cal							Yes
virus0000010_01	parallel	07:14	1051			VIRUS	sci							Yes
0010	parallel	07:15	308.9	6.9	UT26-2-005	HPF	sci	1.18	0.63	20.50	0.83	243		P4
0011	parallel	07:21	308.9	0.9	UT26-2-005	HPF	sci	1.19	0.58	20.55	0.81	234		P4
0012	parallel	07:26	308.9	0.9	UT26-2-005	HPF	sci	1.15	0.60	20.59	0.75	226		P4
lrs20000012_01	parallel	07:38	600			LRS2	sci							Yes
0013	LFC Cal	07:39	106.5			HPF	cal							Yes
virus0000011_01	parallel	07:39	600	7.0	PSU26-2-003	VIRUS	sci	1.25	0.56	21.76	0.79			Yes
0014	LFC Cal	07:41	106.5			HPF	cal							Yes
0015	LFC Cal	07:43	106.5			HPF	cal							Yes
lrs20000012_02	parallel	07:50	600			LRS2	sci							Yes
virus0000011_02	parallel	07:50	600	1.0	PSU26-2-003	VIRUS	sci	1.30	0.61	21.82	0.78			Yes
lrs20000012_03	parallel	08:01	600			LRS2	sci							Yes
virus0000011_03	parallel	08:01	600	1.0	PSU26-2-003	VIRUS	sci	1.22	0.63	21.84	0.78			Yes
0016	parallel	08:17	969.1	5.8	UT26-2-007	HPF	sci	1.24	0.65	20.59	0.89	38		Yes
virus0000012_01	parallel	08:17	2000			VIRUS	sci							Yes
0017	parallel	08:34	969.1	1.8	UT26-2-007	HPF	sci	1.27	0.82	20.57	0.91	33		Yes
virus0000013_01	parallel	08:57	2000			VIRUS	sci							Yes
0018	parallel	08:58	969.1	6.8	UT26-2-007	HPF	sci	1.39	0.71	20.55	0.87	46		Yes
0019	parallel	09:15	969.1	0.8	UT26-2-007	HPF	sci	1.36	0.74	20.53	0.89	42		Yes
0020	parallel	09:38	969.1	7.8	PSU26-2-015	HPF	sci	1.30	0.71	20.62	0.77	222		Yes
virus0000014_01	parallel	09:38	2000			VIRUS	sci							Yes
0021	parallel	09:56	969.1	0.8	PSU26-2-015	HPF	sci	1.22	0.76	20.63	0.71	185		Yes
0022	LFC Cal	10:13	106.5			HPF	cal							Yes
virus0000015_01	parallel	10:20	2000			VIRUS	sci							Yes
0023	parallel	10:21	969.1	8.8	UT26-2-007	HPF	sci	1.27	0.78	20.65	0.88	31		Yes
0024	parallel	10:38	969.1	0.8	UT26-2-007	HPF	sci	1.32	0.96	20.50	0.87	29		Yes
lrs20000013_01	parallel	11:00	180	6.0	PSU26-2-004	LRS2-B	sci	1.34		19.90	0.59			Yes
0025	LFC Cal	11:01	106.5			HPF	cal							Yes
lrs20000014_01	bias	11:05	0			LRS2	cal							Yes
virus0000016_01	bias	11:05	0			VIRUS	cal							Yes
virus0000017_01	Cd-A	11:10	15		ENG26-2-002	VIRUS	cal							Yes
virus0000018_01	Hg	11:11	15		ENG26-2-002	VIRUS	cal							Yes
0026	Dark	11:19	319.5			HPF	cal							Yes
0027	Quartz FCU	11:30	74.5			HPF	cal							Yes
0028	Quartz FCU	11:32	74.5			HPF	cal							Yes
0029	Quartz FCU	11:34	74.5			HPF	cal							Yes
0030	Quartz FCU	11:36	74.5			HPF	cal							Yes
0031	Quartz FCU	11:37	74.5			HPF	cal							Yes
0032	Quartz FCU	11:39	74.5			HPF	cal							Yes
0033	Quartz FCU	11:41	74.5			HPF	cal							Yes
0034	Alpha Bright Cal	11:43	85.2			HPF	cal							Yes
0035	Alpha Bright Cal	11:45	85.2			HPF	cal							Yes
0036	Alpha Bright Cal	11:47	85.2			HPF	cal							Yes
0037	Alpha Bright Cal	11:49	85.2			HPF	cal							Yes
0038	LFC FCU	11:52	106.5			HPF	cal							Yes
0039	LFC FCU	11:54	106.5			HPF	cal							Yes
0040	LFC FCU	11:56	106.5			HPF	cal							Yes
0041	LFC FCU	11:59	106.5			HPF	cal							Yes
0042	LFC FCU	12:01	106.5			HPF	cal							Yes
0043	LFC FCU	12:03	106.5			HPF	cal							Yes
0044	LFC Cal	12:06	106.5			HPF	cal							Yes
0045	LFC Cal	12:09	106.5			HPF	cal							Yes
0046	Etalon Cal	12:16	159.8			HPF	cal							Yes
0047	Etalon Cal	12:19	159.8			HPF	cal							Yes
0048	Etalon Cal	12:23	159.8			HPF	cal							Yes
0049	Etalon Cal	12:26	159.8			HPF	cal							Yes
0050	UNe Slave Cal	12:29	426			HPF	cal							Yes
0051	UNe Slave Cal	12:37	426			HPF	cal							Yes
0052	UNe Slave Cal	12:45	426			HPF	cal							Yes
0053	UNe Slave Cal	12:53	426			HPF	cal							Yes
0054	UNe Slave Cal	13:00	426			HPF	cal							Yes
0055	UNe Slave Cal	13:08	426			HPF	cal							Yes
0059	LFC Cal	21:48	106.5			HPF	cal							Yes
lrs20009900_01	bias	21:52	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	21:53	20			VIRUS	cal							Yes
virus0009901_01	bias	21:54	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	21:55	20			LRS2	cal							Yes
virus0009902_01	dark	21:56	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	21:57	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	21:59	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:00	15			LRS2	cal							Yes
0060	Dark	22:04	319.5			HPF	cal							Yes
0061	Quartz FCU	22:10	74.5			HPF	cal							Yes
0062	Quartz FCU	22:12	74.5			HPF	cal							Yes
0063	Quartz FCU	22:14	74.5			HPF	cal							Yes
0064	Quartz FCU	22:16	74.5			HPF	cal							Yes
0065	Quartz FCU	22:17	74.5			HPF	cal							Yes
0066	Quartz FCU	22:19	74.5			HPF	cal							Yes
0067	Quartz FCU	22:21	74.5			HPF	cal							Yes
0068	Alpha Bright Cal	22:23	85.2			HPF	cal							Yes
0069	Alpha Bright Cal	22:25	85.2			HPF	cal							Yes
0070	Alpha Bright Cal	22:27	85.2			HPF	cal							Yes
0071	Alpha Bright Cal	22:29	85.2			HPF	cal							Yes
0072	LFC FCU	22:32	106.5			HPF	cal							Yes
0073	LFC FCU	22:34	106.5			HPF	cal							Yes
0074	LFC Cal	22:37	106.5			HPF	cal							Yes
0075	LFC Cal	22:39	106.5			HPF	cal							Yes
0076	Etalon Cal	22:42	159.8			HPF	cal							Yes
0077	UNe Slave Cal	22:46	426			HPF	cal							Yes
lrs20000016_01	flat_Qth_R	22:48	15			LRS2	cal							Yes
lrs20000016_02	flat_Qth_R	22:49	15			LRS2	cal							Yes
lrs20000016_03	flat_Qth_R	22:51	15			LRS2	cal							Yes
lrs20000016_04	flat_Qth_R	22:52	15			LRS2	cal							Yes
0078	UNe Slave Cal	22:53	426			HPF	cal							Yes
lrs20000016_05	flat_Qth_R	22:53	15			LRS2	cal							Yes
lrs20000017_01	flat_ldls_long_B	22:54	20			LRS2	cal							Yes
lrs20000017_02	flat_ldls_long_B	22:56	20			LRS2	cal							Yes
lrs20000017_03	flat_ldls_long_B	22:57	20			LRS2	cal							Yes
lrs20000018_01	Cd-A_B	22:58	29			LRS2	cal							Yes
lrs20000018_02	Cd-A_B	23:00	29			LRS2	cal							Yes
0079	UNe Slave Cal	23:01	426			HPF	cal							Yes
lrs20000018_03	Cd-A_B	23:01	29			LRS2	cal							Yes
lrs20000019_01	FeAr_R	23:03	15			LRS2	cal							Yes
lrs20000019_02	FeAr_R	23:04	15			LRS2	cal							Yes
lrs20000019_03	FeAr_R	23:05	15			LRS2	cal							Yes
lrs20000020_01	Hg_R	23:07	20			LRS2	cal							Yes
lrs20000020_02	Hg_R	23:08	20			LRS2	cal							Yes
0080	UNe Slave Cal	23:09	426			HPF	cal							Yes
lrs20000020_03	Hg_R	23:09	20			LRS2	cal							Yes
lrs20000021_01	Hg_B	23:11	15			LRS2	cal							Yes
lrs20000021_02	Hg_B	23:12	15			LRS2	cal							Yes
lrs20000021_03	Hg_B	23:13	15			LRS2	cal							Yes
0081	UNe Slave Cal	23:17	426			HPF	cal							Yes
virus0000018_01	flat_ldls_long	23:20	15			VIRUS	cal							Yes
virus0000018_02	flat_ldls_long	23:21	15			VIRUS	cal							Yes
virus0000018_03	flat_ldls_long	23:23	15			VIRUS	cal							Yes
virus0000019_01	Cd-A	23:24	15			VIRUS	cal							Yes
0082	UNe Slave Cal	23:25	426			HPF	cal							Yes
virus0000019_02	Cd-A	23:25	15			VIRUS	cal							Yes
virus0000019_03	Cd-A	23:27	15			VIRUS	cal							Yes
virus0000020_01	Hg	23:28	15			VIRUS	cal							Yes
virus0000020_02	Hg	23:30	15			VIRUS	cal							Yes
virus0000020_03	Hg	23:31	15			VIRUS	cal							Yes
lrs20000022_01	bias	23:32	0			LRS2	cal							Yes
virus0000021_01	bias	23:32	0			VIRUS	cal							Yes
lrs20000022_02	bias	23:33	0			LRS2	cal							Yes
virus0000021_02	bias	23:33	0			VIRUS	cal							Yes
lrs20000022_03	bias	23:34	0			LRS2	cal							Yes
virus0000021_03	bias	23:34	0			VIRUS	cal							Yes
lrs20000022_04	bias	23:35	0			LRS2	cal							Yes
virus0000021_04	bias	23:35	0			VIRUS	cal							Yes
lrs20000022_05	bias	23:36	0			LRS2	cal							Yes
virus0000021_05	bias	23:36	0			VIRUS	cal							Yes
lrs20000022_06	bias	23:36	0			LRS2	cal							Yes
virus0000021_06	bias	23:37	0			VIRUS	cal							Yes
lrs20000022_07	bias	23:37	0			LRS2	cal							Yes
virus0000021_07	bias	23:38	0			VIRUS	cal							Yes
lrs20000022_08	bias	23:38	0			LRS2	cal							Yes
virus0000021_08	bias	23:38	0			VIRUS	cal							Yes
lrs20000022_09	bias	23:39	0			LRS2	cal							Yes
virus0000021_09	bias	23:39	0			VIRUS	cal							Yes
lrs20000022_10	bias	23:40	0			LRS2	cal							Yes
virus0000021_10	bias	23:40	0			VIRUS	cal							Yes
lrs20000022_11	bias	23:41	0			LRS2	cal							Yes
virus0000021_11	bias	23:41	0			VIRUS	cal							Yes
lrs20000023_01	dark	23:42	360			LRS2	cal							Yes
virus0000022_01	dark	23:42	360			VIRUS	cal							Yes
lrs20000023_02	dark	23:48	360			LRS2	cal							Yes
virus0000022_02	dark	23:49	360			VIRUS	cal							Yes
lrs20000023_03	dark	23:55	360			LRS2	cal							Yes
virus0000022_03	dark	23:56	360			VIRUS	cal							Yes

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