HET Night Report Reader

Civil Date	Ephemerides
2026-09-20	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:02	01:47	02:15	11:23	11:51	12:37	-	07:40
Night Length	9:08		Sunset Temperature

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

Overlaps
TO Overlap	RA Overlap
-	Sergey Rostopchin

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
00:54	21.5	20.2	03:26	clouds	02:32
04:48	20.2	20.4	11:51	twilight	07:03
Total Time Open					9:35

Program	Night Priority	Science
02:15	Engineering (hpf)
02:54	Idle due to weather (Clouds)
04:48	Science
06:15	Idle due to weather (Small Queue Gap)
06:22	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
01:28	01:57	0.40	0.63	-387	-140	21.4	20.3	20.3	162	5	First of Night
11:42	11:48	0.50	0.78	-72	+1217	19.1	19.8	20.0	192	6	Post-Observing

Problem Reports
PR Number	Times	Time Lost	Description	Response
5588	01:20-01:22	00:02	Pfip crashed due to EPICS timeout

Ops Comments	none

TO Comments	Clouds in and out for first half of night. Clear for rest.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
lrs20000015_01	flat_ldls_long_B	00:00	20			LRS2	cal							Yes
0001	UNe Slave Cal	00:01	426			HPF	cal							Yes
lrs20000015_02	flat_ldls_long_B	00:02	20			LRS2	cal							Yes
lrs20000015_03	flat_ldls_long_B	00:03	20			LRS2	cal							Yes
lrs20000016_01	Cd-A_B	00:04	29			LRS2	cal							Yes
lrs20000016_02	Cd-A_B	00:06	29			LRS2	cal							Yes
lrs20000016_03	Cd-A_B	00:07	29			LRS2	cal							Yes
0002	UNe Slave Cal	00:09	426			HPF	cal							Yes
lrs20000017_01	FeAr_R	00:09	15			LRS2	cal							Yes
lrs20000017_02	FeAr_R	00:10	15			LRS2	cal							Yes
lrs20000017_03	FeAr_R	00:11	15			LRS2	cal							Yes
lrs20000018_01	Hg_R	00:12	20			LRS2	cal							Yes
lrs20000018_02	Hg_R	00:14	20			LRS2	cal							Yes
lrs20000018_03	Hg_R	00:15	20			LRS2	cal							Yes
lrs20000019_01	Hg_B	00:16	15			LRS2	cal							Yes
0003	UNe Slave Cal	00:17	426			HPF	cal							Yes
lrs20000019_02	Hg_B	00:17	15			LRS2	cal							Yes
lrs20000019_03	Hg_B	00:19	15			LRS2	cal							Yes
lrs20000001_01	bias	00:20	0			LRS2	cal							Yes
virus0000001_01	bias	00:20	0			VIRUS	cal							Yes
lrs20000001_02	bias	00:21	0			LRS2	cal							Yes
virus0000001_02	bias	00:21	0			VIRUS	cal							Yes
lrs20000001_03	bias	00:22	0			LRS2	cal							Yes
virus0000001_03	bias	00:22	0			VIRUS	cal							Yes
lrs20000001_04	bias	00:22	0			LRS2	cal							Yes
lrs20000001_05	bias	00:23	0			LRS2	cal							Yes
virus0000001_04	bias	00:23	0			VIRUS	cal							Yes
virus0000001_05	bias	00:24	0			VIRUS	cal							Yes
lrs20000001_06	bias	00:24	0			LRS2	cal							Yes
0004	UNe Slave Cal	00:24	426			HPF	cal							Yes
virus0000001_06	bias	00:25	0			VIRUS	cal							Yes
lrs20000001_07	bias	00:25	0			LRS2	cal							Yes
virus0000001_07	bias	00:25	0			VIRUS	cal							Yes
lrs20000001_08	bias	00:26	0			LRS2	cal							Yes
virus0000001_08	bias	00:26	0			VIRUS	cal							Yes
lrs20000001_09	bias	00:27	0			LRS2	cal							Yes
virus0000001_09	bias	00:27	0			VIRUS	cal							Yes
lrs20000001_10	bias	00:28	0			LRS2	cal							Yes
virus0000001_10	bias	00:28	0			VIRUS	cal							Yes
lrs20000001_11	bias	00:29	0			LRS2	cal							Yes
virus0000001_11	bias	00:29	0			VIRUS	cal							Yes
lrs20000002_01	dark	00:29	360			LRS2	cal							Yes
virus0000002_01	dark	00:30	360			VIRUS	cal							Yes
0005	UNe Slave Cal	00:32	426			HPF	cal							Yes
lrs20000002_02	dark	00:36	360			LRS2	cal							Yes
virus0000002_02	dark	00:37	360			VIRUS	cal							Yes
lrs20000002_03	dark	00:43	360			LRS2	cal							Yes
virus0000002_03	dark	00:44	360			VIRUS	cal							Yes
lrs20000003_01	skyflat	01:06	7			LRS2	cal							Yes
lrs20000004_01	skyflat	01:07	10			LRS2	cal							Yes
lrs20000005_01	skyflat	01:08	13			LRS2	cal							Yes
lrs20000006_01	skyflat	01:16	16			LRS2	cal						Autotwi froze, aborted this exposure to start VIRUS skyflats.	No
lrs20000007_01	skyflat	01:17	22			LRS2	cal						Autotwi froze, aborted this exposure to start VIRUS skyflats.	No
virus0000003_01	skyflat	01:18	7			VIRUS	cal							Yes
virus0000004_01	skyflat	01:19	10			VIRUS	cal							Yes
virus0000006_01	flat_ldls_long	01:29	15			VIRUS	cal							Yes
virus0000006_02	flat_ldls_long	01:30	15			VIRUS	cal							Yes
virus0000006_03	flat_ldls_long	01:32	15			VIRUS	cal							Yes
virus0000007_01	Cd-A	01:33	15			VIRUS	cal							Yes
virus0000007_02	Cd-A	01:35	15			VIRUS	cal							Yes
virus0000007_03	Cd-A	01:36	15			VIRUS	cal							Yes
virus0000008_01	Hg	01:37	15			VIRUS	cal							Yes
virus0000008_02	Hg	01:39	15			VIRUS	cal							Yes
virus0000008_03	Hg	01:40	15			VIRUS	cal							Yes
0006	HR8246_tell_std	02:05	117.2	7.0		HPF	telluric	1.52	1.02	19.70	0.75			Yes
0007	GJ_699	02:14	202.3	7.6	ENG26-3-000	HPF	eng	1.34	0.98	19.36	0.84	491		Yes
virus0000009_01	parallel	02:14	2438.5			VIRUS	eng							Yes
0008	GJ_699	02:18	202.3	0.6	ENG26-3-000	HPF	eng	1.23	0.69	19.41	0.85	542		Yes
0009	GJ_699	02:22	202.3	0.6	ENG26-3-000	HPF	eng	1.18	0.87	19.39	0.86	571		Yes
0010	GJ_699	02:26	202.3	0.6	ENG26-3-000	HPF	eng	1.17	0.74	19.39	0.87	611		Yes
0011	GJ_699	02:30	202.3	0.6	ENG26-3-000	HPF	eng	1.19	0.83	19.38	0.88	606		Yes
0012	GJ_699	02:34	202.3	0.6	ENG26-3-000	HPF	eng	1.16	0.73	19.37	0.88	614		Yes
0013	GJ_699	02:38	202.3	0.6	ENG26-3-000	HPF	eng	1.12	0.76	19.36	0.88	607		Yes
0014	GJ_699	02:42	202.3	0.6	ENG26-3-000	HPF	eng	1.09	0.70	19.35	0.86	576		Yes
0015	GJ_699	02:46	202.3	0.6	ENG26-3-000	HPF	eng	1.07	0.70	19.36	0.82	543		Yes
0016	GJ_699	02:50	202.3	0.6	ENG26-3-000	HPF	eng	1.07	0.67	19.37	0.78	500		Yes
0017	LFC Cal	02:55	106.5			HPF	cal							Yes
0018	QID 795	03:01	617.7	6.7	UT26-3-001	HPF	sci	1.28	0.89	19.78	0.71	167	Thick clouds rolled in during second exposure, aborted target.	No
virus0000010_01	parallel	03:01	1945.7			VIRUS	sci							Yes
0019	QID 795	03:12	617.7	0.7	UT26-3-001	HPF	sci	1.46	1.35	19.43	0.54	94		No
0020	LFC Cal	04:10	106.5			HPF	cal							Yes
0021	LFC Cal	04:12	106.5			HPF	cal							Yes
0022	LFC Cal	04:14	106.5			HPF	cal							Yes
0023	LFC Cal	04:50	106.5			HPF	cal							Yes
virus0000011_01	parallel	04:54	1914.8			VIRUS	sci							Yes
0024	QID 230	04:55	915.9	6.7	G26-3-002	HPF	sci	2.18	1.59	19.21	0.82	59		Yes
0025	QID 230	05:11	915.9	0.7	G26-3-002	HPF	sci	1.88	1.55	19.20	0.72	59		Yes
0026	LFC Cal	05:28	106.5			HPF	cal							Yes
0027	QID 1078	05:36	969.1	9.8	UT26-3-012	HPF	sci	1.70	1.36	19.67	0.99	327		Yes
virus0000012_01	parallel	05:36	1000			VIRUS	sci							Yes
0028	LFC Cal	05:54	106.5			HPF	cal							Yes
lrs20000008_01	FEIGE110_056_E	05:59	60	7.0		LRS2	spec	1.56	1.12	19.88	0.91			Yes
lrs20000009_01	FEIGE110_066_E	06:04	120	4.0		LRS2	spec	1.45	1.09	19.71	0.97			Yes
virus0000013_01	FEIGE110_052_E	06:09	60	3.0		VIRUS	spec	1.51	0.98	19.95	0.84			Yes
virus0000013_02	FEIGE110_052_E	06:11	60	1.0		VIRUS	spec	1.51	0.92	19.95	0.83			Yes
virus0000013_03	FEIGE110_052_E	06:14	60	2.0		VIRUS	spec	1.54	0.90	19.97	0.84			Yes
0029	LFC Cal	06:22	106.5			HPF	cal							Yes
0030	QID 225	06:26	915.9	3.7	G26-3-002	HPF	sci	1.35	1.01	19.94	0.75	128		Yes
virus0000014_01	parallel	06:26	1914.8			VIRUS	sci							Yes
0031	QID 225	06:42	915.9	0.7	G26-3-002	HPF	sci	1.39	0.92	19.97	0.87	151		Yes
0032	LFC Cal	06:59	106.5			HPF	cal							Yes
0033	LFC Cal	07:04	106.5			HPF	cal							Yes
virus0000015_01	parallel	07:04	300			VIRUS	sci							Yes
lrs20000010_01	QID 1028	07:04	300	7.0	UT26-3-010	LRS2-B	sci	1.29	1.04	20.68	0.81			Yes
0034	LFC Cal	07:06	106.5			HPF	cal							Yes
0035	QID 784	07:14	649.6	5.2	UT26-3-008	HPF	sci	1.27	1.06	19.86	0.96	330		Yes
virus0000016_01	parallel	07:14	2041.5			VIRUS	sci							Yes
0036	QID 784	07:26	649.6	1.2	UT26-3-008	HPF	sci	1.34	0.88	20.18	0.87	371		Yes
0037	QID 784	07:38	649.6	1.2	UT26-3-008	HPF	sci	1.29	1.19	20.36	0.86	413		Yes
0038	LFC Cal	07:50	106.5			HPF	cal							Yes
0039	QID 1048	07:57	276.9	8.4	UT26-3-012	HPF	sci	1.42	0.89	20.90	0.58	433		Yes
virus0000017_01	parallel	07:57	318.4			VIRUS	sci							Yes
0040	LFC Cal	08:03	106.5			HPF	cal							Yes
0041	QID 787	08:07	713.6	5.1	UT26-3-001	HPF	sci	1.41	0.95	20.44	0.71	65		Yes
virus0000018_01	parallel	08:07	2265.2			VIRUS	sci							Yes
0042	QID 787	08:20	713.6	1.1	UT26-3-001	HPF	sci	1.33	0.92	20.47	0.73	78		Yes
0043	QID 787	08:33	713.6	1.1	UT26-3-001	HPF	sci	1.30	0.82	20.47	0.73	75		Yes
0044	QID 1049	08:51	276.9	6.4	UT26-3-012	HPF	sci	1.35	0.83	20.59	0.89	560		Yes
virus0000019_01	parallel	08:51	318.4			VIRUS	sci							Yes
0045	LFC Cal	08:57	106.5			HPF	cal							Yes
lrs20000011_01	parallel	09:02	480			LRS2	sci							Yes
virus0000020_01	QID 284	09:02	480	6.0	PSU26-3-011	VIRUS	sci	1.42	0.86	21.96	0.65			Yes
0046	LFC Cal	09:03	106.5			HPF	cal							Yes
0047	LFC Cal	09:05	106.5			HPF	cal							Yes
0048	LFC Cal	09:07	106.5			HPF	cal							Yes
lrs20000011_02	parallel	09:11	480			LRS2	sci							Yes
virus0000020_02	QID 284	09:11	480	1.0	PSU26-3-011	VIRUS	sci	1.26	0.82	21.83	0.79			Yes
lrs20000011_03	parallel	09:21	480			LRS2	sci							Yes
virus0000020_03	QID 284	09:21	480	2.0	PSU26-3-011	VIRUS	sci	1.25	0.82	21.84	0.83			Yes
virus0000021_01	parallel	09:34	1800			VIRUS	sci							Yes
0049	LFC Cal	09:35	106.5			HPF	cal							Yes
lrs20000012_01	QID 114	09:35	1800	6.0	UT26-3-013	LRS2-B	sci	1.18	0.72	21.99	0.80			Yes
0050	LFC Cal	09:37	106.5			HPF	cal							Yes
0051	LFC Cal	09:39	106.5			HPF	cal							Yes
0052	LFC Cal	10:08	106.5			HPF	cal							Yes
virus0000022_01	parallel	10:08	900			VIRUS	sci							Yes
lrs20000013_01	QID 115	10:08	900	3.0	UT26-3-013	LRS2-R	sci	1.32	0.67	21.01	0.99			Yes
0053	LFC Cal	10:11	106.5			HPF	cal							Yes
0054	LFC Cal	10:13	106.5			HPF	cal							Yes
0055	LFC Cal	10:30	106.5			HPF	cal							Yes
virus0000023_01	parallel	10:30	1800			VIRUS	sci							Yes
lrs20000014_01	QID 111	10:30	1800	7.0	UT26-3-015	LRS2-B	sci	1.34	1.10	21.85	0.88			Yes
0056	LFC Cal	10:32	106.5			HPF	cal							Yes
0057	LFC Cal	10:35	106.5			HPF	cal							Yes
0058	QID 809	11:07	969.1	7.8	PSU26-3-012	HPF	sci	1.37	0.94	20.09	0.98	176		Yes
virus0000024_01	parallel	11:07	2000			VIRUS	sci							Yes
0059	QID 809	11:25	969.1	0.8	PSU26-3-012	HPF	sci	1.39	0.97	20.07	0.95	186		Yes
0060	LFC Cal	11:42	106.5			HPF	cal							Yes
lrs20000015_01	bias	11:43	0			LRS2	cal							Yes
virus0000025_01	bias	11:44	0			VIRUS	cal							Yes
virus0000026_01	Cd-A	11:48	15		ENG26-3-002	VIRUS	cal							Yes
virus0000027_01	Hg	11:49	15		ENG26-3-002	VIRUS	cal							Yes
0061	Dark	11:57	319.5			HPF	cal							Yes
0062	Quartz FCU	12:09	74.5			HPF	cal							Yes
0063	Quartz FCU	12:10	74.5			HPF	cal							Yes
0064	Quartz FCU	12:12	74.5			HPF	cal							Yes
0065	Quartz FCU	12:14	74.5			HPF	cal							Yes
0066	Quartz FCU	12:16	74.5			HPF	cal							Yes
0067	Quartz FCU	12:17	74.5			HPF	cal							Yes
0068	Quartz FCU	12:19	74.5			HPF	cal							Yes
0069	Alpha Bright Cal	12:21	85.2			HPF	cal							Yes
0070	Alpha Bright Cal	12:23	85.2			HPF	cal							Yes
0071	Alpha Bright Cal	12:25	85.2			HPF	cal							Yes
0072	Alpha Bright Cal	12:27	85.2			HPF	cal							Yes
0073	LFC FCU	12:30	106.5			HPF	cal							Yes
0074	LFC FCU	12:32	106.5			HPF	cal							Yes
0075	LFC FCU	12:35	106.5			HPF	cal							Yes
0076	LFC FCU	12:37	106.5			HPF	cal							Yes
0077	LFC FCU	12:39	106.5			HPF	cal							Yes
0078	LFC FCU	12:42	106.5			HPF	cal							Yes
0079	LFC Cal	12:44	106.5			HPF	cal							Yes
0080	LFC Cal	12:47	106.5			HPF	cal							Yes
0081	Etalon Cal	12:55	159.8			HPF	cal							Yes
0082	Etalon Cal	12:58	159.8			HPF	cal							Yes
0083	Etalon Cal	13:01	159.8			HPF	cal							Yes
0084	Etalon Cal	13:04	159.8			HPF	cal							Yes
0085	UNe Slave Cal	13:08	426			HPF	cal							Yes
0086	UNe Slave Cal	13:15	426			HPF	cal							Yes
0087	UNe Slave Cal	13:23	426			HPF	cal							Yes
0088	UNe Slave Cal	13:31	426			HPF	cal							Yes
0089	UNe Slave Cal	13:39	426			HPF	cal							Yes
0090	UNe Slave Cal	13:47	426			HPF	cal							Yes
0069	LFC Cal	23:00	106.5			HPF	cal							Yes
lrs20009900_01	bias	23:01	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	23:02	20			VIRUS	cal							Yes
virus0009901_01	bias	23:03	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	23:04	20			LRS2	cal							Yes
virus0009902_01	dark	23:05	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	23:06	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	23:08	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	23:09	15			LRS2	cal							Yes
0070	Dark	23:12	319.5			HPF	cal							Yes
0071	Quartz FCU	23:18	74.5			HPF	cal							Yes
0072	Quartz FCU	23:20	74.5			HPF	cal							Yes
0073	Quartz FCU	23:22	74.5			HPF	cal							Yes
0074	Quartz FCU	23:24	74.5			HPF	cal							Yes
0075	Quartz FCU	23:25	74.5			HPF	cal							Yes
0076	Quartz FCU	23:27	74.5			HPF	cal							Yes
0077	Quartz FCU	23:29	74.5			HPF	cal							Yes
0078	Alpha Bright Cal	23:31	85.2			HPF	cal							Yes
0079	Alpha Bright Cal	23:33	85.2			HPF	cal							Yes
0080	Alpha Bright Cal	23:35	85.2			HPF	cal							Yes
0081	Alpha Bright Cal	23:37	85.2			HPF	cal							Yes
0082	LFC FCU	23:40	106.5			HPF	cal							Yes
0083	LFC FCU	23:42	106.5			HPF	cal							Yes
0084	LFC Cal	23:45	106.5			HPF	cal							Yes
0085	LFC Cal	23:47	106.5			HPF	cal							Yes
0086	Etalon Cal	23:50	159.8			HPF	cal							Yes
0087	UNe Slave Cal	23:53	426			HPF	cal							Yes
lrs20000014_01	flat_Qth_R	23:54	15			LRS2	cal							Yes
lrs20000014_02	flat_Qth_R	23:55	15			LRS2	cal							Yes
lrs20000014_03	flat_Qth_R	23:57	15			LRS2	cal							Yes
lrs20000014_04	flat_Qth_R	23:58	15			LRS2	cal							Yes
lrs20000014_05	flat_Qth_R	23:59	15			LRS2	cal							Yes

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