HET Night Report Reader

Civil Date	Ephemerides
2026-09-19	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:03	01:48	02:16	11:22	11:51	12:37	-	06:42
Night Length	9:06		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator	OPS Engineer	Day Ops
Zach Vanderbosch	Cassie Crowe	-	-

Overlaps		none

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
01:38	20.0	17.8	02:44	clouds	01:06
07:00	16.8	17.2	12:28	twilight	05:28
Total Time Open					6:34

Program	Night Priority	Science
02:16	Idle due to weather (Clouds)
07:02	Science
07:24	Idle due to weather (Clouds)
09:24	Science
10:14	Idle due to weather (Clouds)
10:39	Science
10:52	Idle due to weather (Clouds)

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
01:43	02:18	0.38	0.58	-410	+1097	16.9	18.0	17.9	154	10	First of Night
11:30	11:35	0.47	0.73	-155	+1774	17.2	17.9	17.9	287	14	Post-Observing

Problem Reports					no PRs

Ops Comments	none

TO Comments	Fighting clouds most 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
0001	Etalon Cal	00:00	159.8			HPF	cal							Yes
0002	UNe Slave Cal	00:03	426			HPF	cal							Yes
lrs20000001_01	flat_Qth_R	00:04	15			LRS2	cal							Yes
lrs20000001_02	flat_Qth_R	00:05	15			LRS2	cal							Yes
lrs20000001_03	flat_Qth_R	00:07	15			LRS2	cal							Yes
lrs20000001_04	flat_Qth_R	00:08	15			LRS2	cal							Yes
lrs20000001_05	flat_Qth_R	00:09	15			LRS2	cal							Yes
lrs20000002_01	flat_ldls_long_B	00:10	20			LRS2	cal							Yes
0003	UNe Slave Cal	00:11	426			HPF	cal							Yes
lrs20000002_02	flat_ldls_long_B	00:12	20			LRS2	cal							Yes
lrs20000002_03	flat_ldls_long_B	00:13	20			LRS2	cal							Yes
lrs20000003_01	Cd-A_B	00:14	29			LRS2	cal							Yes
lrs20000003_02	Cd-A_B	00:16	29			LRS2	cal							Yes
lrs20000003_03	Cd-A_B	00:17	29			LRS2	cal							Yes
0004	UNe Slave Cal	00:19	426			HPF	cal							Yes
lrs20000004_01	FeAr_R	00:19	15			LRS2	cal							Yes
lrs20000004_02	FeAr_R	00:20	15			LRS2	cal							Yes
lrs20000004_03	FeAr_R	00:21	15			LRS2	cal							Yes
lrs20000005_01	Hg_R	00:22	20			LRS2	cal							Yes
lrs20000005_02	Hg_R	00:24	20			LRS2	cal							Yes
lrs20000005_03	Hg_R	00:25	20			LRS2	cal							Yes
0005	UNe Slave Cal	00:26	426			HPF	cal							Yes
lrs20000006_01	Hg_B	00:26	15			LRS2	cal							Yes
lrs20000006_02	Hg_B	00:28	15			LRS2	cal							Yes
lrs20000006_03	Hg_B	00:29	15			LRS2	cal							Yes
0006	UNe Slave Cal	00:34	426			HPF	cal							Yes
virus0000001_01	flat_ldls_long	00:35	15			VIRUS	cal							Yes
virus0000001_02	flat_ldls_long	00:37	15			VIRUS	cal							Yes
virus0000001_03	flat_ldls_long	00:38	15			VIRUS	cal							Yes
virus0000002_01	Cd-A	00:40	15			VIRUS	cal							Yes
virus0000002_02	Cd-A	00:41	15			VIRUS	cal							Yes
0007	UNe Slave Cal	00:42	426			HPF	cal							Yes
virus0000002_03	Cd-A	00:42	15			VIRUS	cal							Yes
virus0000003_01	Hg	00:44	15			VIRUS	cal							Yes
virus0000003_02	Hg	00:45	15			VIRUS	cal							Yes
virus0000003_03	Hg	00:47	15			VIRUS	cal							Yes
lrs20000007_01	dark	01:05	360			LRS2	cal							Yes
virus0000004_01	dark	01:05	360			VIRUS	cal							Yes
lrs20000007_02	dark	01:11	360			LRS2	cal							Yes
virus0000004_02	dark	01:11	360			VIRUS	cal							Yes
lrs20000007_03	dark	01:18	360			LRS2	cal							Yes
virus0000004_03	dark	01:18	360			VIRUS	cal							Yes
lrs20000008_01	bias	01:25	0			LRS2	cal							Yes
virus0000005_01	bias	01:25	0			VIRUS	cal							Yes
lrs20000008_02	bias	01:26	0			LRS2	cal							Yes
virus0000005_02	bias	01:26	0			VIRUS	cal							Yes
lrs20000008_03	bias	01:27	0			LRS2	cal							Yes
virus0000005_03	bias	01:27	0			VIRUS	cal							Yes
lrs20000008_04	bias	01:28	0			LRS2	cal							Yes
virus0000005_04	bias	01:28	0			VIRUS	cal							Yes
lrs20000008_05	bias	01:29	0			LRS2	cal							Yes
virus0000005_05	bias	01:29	0			VIRUS	cal							Yes
lrs20000008_06	bias	01:30	0			LRS2	cal							Yes
virus0000005_06	bias	01:30	0			VIRUS	cal							Yes
lrs20000008_07	bias	01:30	0			LRS2	cal							Yes
virus0000005_07	bias	01:31	0			VIRUS	cal							Yes
lrs20000008_08	bias	01:31	0			LRS2	cal							Yes
virus0000005_08	bias	01:32	0			VIRUS	cal							Yes
lrs20000008_09	bias	01:32	0			LRS2	cal							Yes
virus0000005_09	bias	01:33	0			VIRUS	cal							Yes
lrs20000008_10	bias	01:33	0			LRS2	cal							Yes
virus0000005_10	bias	01:33	0			VIRUS	cal							Yes
lrs20000008_11	bias	01:34	0			LRS2	cal							Yes
virus0000005_11	bias	01:34	0			VIRUS	cal							Yes
0008	LFC Cal	02:35	106.5			HPF	cal							Yes
0009	LFC Cal	02:38	106.5			HPF	cal							Yes
0010	LFC Cal	02:40	106.5			HPF	cal							Yes
0011	LFC Cal	03:24	106.5			HPF	cal							Yes
0012	LFC Cal	03:26	106.5			HPF	cal							Yes
0013	LFC Cal	03:29	106.5			HPF	cal							Yes
0014	LFC Cal	05:00	106.5			HPF	cal							Yes
0015	LFC Cal	05:03	106.5			HPF	cal							Yes
0016	LFC Cal	05:05	106.5			HPF	cal							Yes
0017	LFC Cal	06:04	106.5			HPF	cal							Yes
0018	LFC Cal	06:06	106.5			HPF	cal							Yes
0019	LFC Cal	06:09	106.5			HPF	cal							Yes
0020	HR8537_tell_std	07:08	330.2	6.5		HPF	telluric	2.10		20.29	0.75			Yes
lrs20000009_01	HD209458_056_W	07:20	15	5.8		LRS2	spec	1.69		22.16	0.45			Yes
lrs20000010_01	HD209458_066_W	07:23	15	3.8		LRS2	spec	1.85		21.01	0.66			Yes
virus0000006_01	parallel	08:00	318.4			VIRUS	sci							Yes
0021	QID 1048	08:01	276.9	5.4	UT26-3-012	HPF	sci	1.68		19.68	0.21	108	Clouds, low transparency.	No
0022	LFC Cal	08:06	106.5			HPF	cal							Yes
0023	LFC Cal	08:13	106.5			HPF	cal							Yes
0024	LFC Cal	08:15	106.5			HPF	cal							Yes
0025	LFC Cal	08:17	106.5			HPF	cal							Yes
0026	LFC Cal	09:18	106.5			HPF	cal							Yes
0027	LFC Cal	09:20	106.5			HPF	cal							Yes
0028	LFC Cal	09:22	106.5			HPF	cal							Yes
0029	LFC Cal	09:28	106.5			HPF	cal							Yes
lrs20000011_01	parallel	09:28	360			LRS2	sci							Yes
virus0000007_01	QID 516	09:28	360	4.0	PSU26-3-011	VIRUS	sci	1.98		22.02	0.79			Yes
0030	LFC Cal	09:31	106.5			HPF	cal							Yes
lrs20000011_02	parallel	09:35	360			LRS2	sci							Yes
virus0000007_02	QID 516	09:35	360	1.0	PSU26-3-011	VIRUS	sci	1.70		21.96	0.84			Yes
lrs20000011_03	parallel	09:43	360			LRS2	sci							Yes
virus0000007_03	QID 516	09:43	360	2.0	PSU26-3-011	VIRUS	sci	1.57		21.86	0.89			Yes
0031	LFC Cal	09:53	106.5			HPF	cal							Yes
lrs20000012_01	parallel	09:53	360			LRS2	sci							Yes
virus0000008_01	QID 841	09:53	360	4.0	UT26-3-014	VIRUS	sci	1.79		22.13	0.84			Yes
0032	LFC Cal	09:56	106.5			HPF	cal							Yes
lrs20000012_02	parallel	10:00	360			LRS2	sci							Yes
virus0000008_02	QID 841	10:00	360	1.0	UT26-3-014	VIRUS	sci	1.66		22.05	0.64			Yes
lrs20000012_03	parallel	10:08	360			LRS2	sci							Yes
virus0000008_03	QID 841	10:08	360	2.0	UT26-3-014	VIRUS	sci	1.58		21.97	0.56			Yes
0033	QID 1052	10:43	532.5	4.1	UT26-3-012	HPF	sci	1.30		20.36	0.51	402		Yes
virus0000009_01	parallel	10:43	574			VIRUS	sci							Yes
0034	LFC Cal	10:53	106.5			HPF	cal							Yes
virus0000010_01	parallel	10:59	2041.5			VIRUS	sci							Yes
0035	QID 784	11:00	649.6	8.2	UT26-3-008	HPF	sci	1.38		20.64	0.20	29	Clouds, low transparency. Aborted after first exposure.	No
0036	LFC Cal	11:12	106.5			HPF	cal							Yes
virus0000011_01	parallel	11:18	574			VIRUS	sci							Yes
0037	QID 1056	11:19	532.5	8.1	UT26-3-012	HPF	sci	1.64		20.34	0.11	26	Clouds, low transparency.	No
0038	LFC Cal	11:29	106.5			HPF	cal							Yes
lrs20000013_01	bias	11:32	0			LRS2	cal							Yes
virus0000012_01	bias	11:33	0			VIRUS	cal							Yes
virus0000013_01	Cd-A	11:37	15		ENG26-3-002	VIRUS	cal							Yes
virus0000014_01	Hg	11:38	15		ENG26-3-002	VIRUS	cal							Yes
virus0000015_01	skyflat	12:22	25			VIRUS	cal							Yes
virus0000016_01	skyflat	12:23	18			VIRUS	cal							Yes
virus0000017_01	skyflat	12:25	15			VIRUS	cal							Yes
0039	Dark	12:32	319.5			HPF	cal							Yes
0040	Quartz FCU	12:43	74.5			HPF	cal							Yes
0041	Quartz FCU	12:45	74.5			HPF	cal							Yes
0042	Quartz FCU	12:47	74.5			HPF	cal							Yes
0043	Quartz FCU	12:49	74.5			HPF	cal							Yes
0044	Quartz FCU	12:51	74.5			HPF	cal							Yes
0045	Quartz FCU	12:52	74.5			HPF	cal							Yes
0046	Quartz FCU	12:54	74.5			HPF	cal							Yes
0047	Alpha Bright Cal	12:56	85.2			HPF	cal							Yes
0048	Alpha Bright Cal	12:58	85.2			HPF	cal							Yes
0049	Alpha Bright Cal	13:00	85.2			HPF	cal							Yes
0050	Alpha Bright Cal	13:02	85.2			HPF	cal							Yes
0051	LFC FCU	13:05	106.5			HPF	cal							Yes
0052	LFC FCU	13:07	106.5			HPF	cal							Yes
0053	LFC FCU	13:10	106.5			HPF	cal							Yes
0054	LFC FCU	13:12	106.5			HPF	cal							Yes
0055	LFC FCU	13:14	106.5			HPF	cal							Yes
0056	LFC FCU	13:17	106.5			HPF	cal							Yes
0057	LFC Cal	13:20	106.5			HPF	cal							Yes
0058	LFC Cal	13:22	106.5			HPF	cal							Yes
0059	Etalon Cal	13:30	159.8			HPF	cal							Yes
0060	Etalon Cal	13:33	159.8			HPF	cal							Yes
0061	Etalon Cal	13:36	159.8			HPF	cal							Yes
0062	Etalon Cal	13:39	159.8			HPF	cal							Yes
0063	UNe Slave Cal	13:43	426			HPF	cal							Yes
0064	UNe Slave Cal	13:50	426			HPF	cal							Yes
0065	UNe Slave Cal	13:58	426			HPF	cal							Yes
0066	UNe Slave Cal	14:06	426			HPF	cal							Yes
0067	UNe Slave Cal	14:14	426			HPF	cal							Yes
0068	UNe Slave Cal	14:22	426			HPF	cal							Yes
0073	LFC Cal	22:59	106.5			HPF	cal							Yes
virus0009900_01	flat_Qth	23:04	20			VIRUS	cal							Yes
virus0009905_01	flat_Qth	23:06	20			VIRUS	cal							Yes
virus0009906_01	bias	23:07	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	23:09	20			LRS2	cal							Yes
virus0009907_01	dark	23:10	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	23:11	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	23:12	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	23:14	15			LRS2	cal							Yes
lrs20009905_01	bias	23:16	0			LRS2	cal							Yes
0074	Dark	23:21	319.5			HPF	cal							Yes
0075	Quartz FCU	23:28	74.5			HPF	cal							Yes
0076	Quartz FCU	23:30	74.5			HPF	cal							Yes
0077	Quartz FCU	23:31	74.5			HPF	cal							Yes
0078	Quartz FCU	23:33	74.5			HPF	cal							Yes
0079	Quartz FCU	23:35	74.5			HPF	cal							Yes
0080	Quartz FCU	23:37	74.5			HPF	cal							Yes
0081	Quartz FCU	23:39	74.5			HPF	cal							Yes
0082	Alpha Bright Cal	23:41	85.2			HPF	cal							Yes
0083	Alpha Bright Cal	23:43	85.2			HPF	cal							Yes
0084	Alpha Bright Cal	23:45	85.2			HPF	cal							Yes
0085	Alpha Bright Cal	23:47	85.2			HPF	cal							Yes
0086	LFC FCU	23:49	106.5			HPF	cal							Yes
0087	LFC FCU	23:52	106.5			HPF	cal							Yes
0088	LFC Cal	23:55	106.5			HPF	cal							Yes
0089	LFC Cal	23:57	106.5			HPF	cal							Yes

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