HET Night Report Reader

Civil Date	Ephemerides
2026-08-25	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:34	02:21	02:51	11:04	11:35	12:22	-	10:51
Night Length	8:13		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator	OPS Engineer	Day Ops
Sergey Rostopchin / Jose Fernandez	Cassie Crowe	-	-

Overlaps
TO Overlap	RA Overlap
Amy Westfall	-

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
01:25	26.8	24.8	11:20	twilight	09:55
Total Time Open					9:55

Program	Night Priority	Science
02:51	Science
05:16	Idle due to weather (sky too bright, queue gap)
05:21	Science
06:02	Idle due to weather (sky too bright, queue gap)
06:34	Science
06:57	Idle due to weather (sky too bright, queue gap)
07:09	Science
08:07	Idle due to weather (sky too bright, thin clouds)
08:30	Science
08:51	Science
10:44	Idle due to weather (idle time between end of last observation and start of morning stack)

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
01:59	05:16	0.38	0.59	-417	+67	21.9	22.7	23.1	136	13	First of Night
10:48	10:54	0.46	0.77	-377	+1388	20.9	21.5	21.6	183	12	Post-Observing
10:54	11:16				+1270	21.0	21.4	21.5	185	11	End of Night

Problem Reports
PR Number	Times	Time Lost	Description	Response
6712	02:01-05:08	03:07	SAMS not accepting GRoC from wavescope or SAMS UI

Ops Comments	none

TO Comments	Clear all night but 3 hour long SAMS PR and queue holes.

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	bias	01:19	0			LRS2	cal							Yes
virus0000001_01	bias	01:19	0			VIRUS	cal							Yes
virus0000002_01	bias	01:23	0			VIRUS	cal							Yes
lrs20000002_01	bias	01:24	0			LRS2	cal							Yes
0001	twilight	01:31	298.2			HPF	cal					467		Yes
lrs20000003_01	skyflat	01:39	7			LRS2	cal							Yes
lrs20000004_01	skyflat	01:40	10			LRS2	cal							Yes
lrs20000005_01	skyflat	01:41	13			LRS2	cal							Yes
lrs20000006_01	skyflat	01:42	16			LRS2	cal							Yes
lrs20000007_01	skyflat	01:44	22			LRS2	cal							Yes
lrs20000008_01	skyflat	01:45	30			LRS2	cal							Yes
virus0000003_01	skyflat	01:48	7			VIRUS	cal							Yes
virus0000004_01	skyflat	01:49	10			VIRUS	cal							Yes
virus0000005_01	skyflat	01:51	14			VIRUS	cal							Yes
virus0000006_01	skyflat	01:52	18			VIRUS	cal							Yes
virus0000007_01	skyflat	01:53	26			VIRUS	cal							Yes
lrs20000009_01	flat_Qth_R	01:56	15			LRS2	cal							Yes
lrs20000009_02	flat_Qth_R	01:57	15			LRS2	cal							Yes
lrs20000009_03	flat_Qth_R	01:59	15			LRS2	cal							Yes
lrs20000009_04	flat_Qth_R	02:00	15			LRS2	cal							Yes
lrs20000009_05	flat_Qth_R	02:01	15			LRS2	cal							Yes
lrs20000010_01	flat_ldls_long_B	02:02	20			LRS2	cal							Yes
lrs20000010_02	flat_ldls_long_B	02:04	20			LRS2	cal							Yes
lrs20000010_03	flat_ldls_long_B	02:05	20			LRS2	cal							Yes
lrs20000011_01	Cd-A_B	02:06	29			LRS2	cal							Yes
lrs20000011_02	Cd-A_B	02:08	29			LRS2	cal							Yes
lrs20000011_03	Cd-A_B	02:09	29			LRS2	cal							Yes
lrs20000012_01	FeAr_R	02:11	15			LRS2	cal							Yes
lrs20000012_02	FeAr_R	02:12	15			LRS2	cal							Yes
lrs20000012_03	FeAr_R	02:13	15			LRS2	cal							Yes
lrs20000013_01	Hg_R	02:14	20			LRS2	cal							Yes
lrs20000013_02	Hg_R	02:16	20			LRS2	cal							Yes
lrs20000013_03	Hg_R	02:17	20			LRS2	cal							Yes
lrs20000014_01	Hg_B	02:18	15			LRS2	cal							Yes
lrs20000014_02	Hg_B	02:20	15			LRS2	cal							Yes
lrs20000014_03	Hg_B	02:21	15			LRS2	cal							Yes
virus0000008_01	flat_ldls_long	02:27	15			VIRUS	cal							Yes
virus0000008_02	flat_ldls_long	02:29	15			VIRUS	cal							Yes
virus0000008_03	flat_ldls_long	02:30	15			VIRUS	cal							Yes
virus0000009_01	Cd-A	02:32	15			VIRUS	cal							Yes
virus0000009_02	Cd-A	02:33	15			VIRUS	cal							Yes
virus0000009_03	Cd-A	02:34	15			VIRUS	cal							Yes
virus0000010_01	Hg	02:36	15			VIRUS	cal							Yes
virus0000010_02	Hg	02:37	15			VIRUS	cal							Yes
virus0000010_03	Hg	02:39	15			VIRUS	cal							Yes
lrs20000015_01	bias	02:41	0			LRS2	cal							Yes
virus0000011_01	bias	02:41	0			VIRUS	cal							Yes
lrs20000015_02	bias	02:42	0			LRS2	cal							Yes
virus0000011_02	bias	02:42	0			VIRUS	cal							Yes
lrs20000015_03	bias	02:43	0			LRS2	cal							Yes
virus0000011_03	bias	02:43	0			VIRUS	cal							Yes
lrs20000015_04	bias	02:44	0			LRS2	cal							Yes
virus0000011_04	bias	02:44	0			VIRUS	cal							Yes
lrs20000015_05	bias	02:45	0			LRS2	cal							Yes
virus0000011_05	bias	02:45	0			VIRUS	cal							Yes
lrs20000015_06	bias	02:46	0			LRS2	cal							Yes
virus0000011_06	bias	02:46	0			VIRUS	cal							Yes
lrs20000015_07	bias	02:46	0			LRS2	cal							Yes
virus0000011_07	bias	02:47	0			VIRUS	cal							Yes
lrs20000015_08	bias	02:47	0			LRS2	cal							Yes
virus0000011_08	bias	02:48	0			VIRUS	cal							Yes
lrs20000015_09	bias	02:48	0			LRS2	cal							Yes
virus0000011_09	bias	02:49	0			VIRUS	cal							Yes
lrs20000015_10	bias	02:49	0			LRS2	cal							Yes
virus0000011_10	bias	02:49	0			VIRUS	cal							Yes
lrs20000015_11	bias	02:50	0			LRS2	cal							Yes
virus0000011_11	bias	02:50	0			VIRUS	cal							Yes
0002	LFC Cal	02:52	106.5			HPF	cal							Yes
0003	LFC Cal	02:54	106.5			HPF	cal							Yes
0004	LFC Cal	02:57	106.5			HPF	cal							Yes
lrs20000016_01	dark	03:32	360			LRS2	cal							Yes
virus0000012_01	dark	03:32	360			VIRUS	cal							Yes
lrs20000016_02	dark	03:39	360			LRS2	cal							Yes
virus0000012_02	dark	03:39	360			VIRUS	cal							Yes
lrs20000016_03	dark	03:45	360			LRS2	cal							Yes
virus0000012_03	dark	03:46	360			VIRUS	cal							Yes
0005	HR6976_tell_std	05:27	330.2	6.5		HPF	telluric	1.59	0.97	18.47	0.85			Yes
lrs20000017_01	WD2341+322_056_E	05:41	180	8.0		LRS2	spec	1.41	1.33	18.93	0.82			Yes
lrs20000018_01	WD2341+322_066_E	05:47	180	3.0		LRS2	spec	1.51	1.55	18.96	0.94			Yes
virus0000013_01	WD2341+322_034_E	05:57	60	7.0		VIRUS	spec	1.87	1.16	18.94	0.90			Yes
virus0000013_02	WD2341+322_034_E	05:59	60	1.0		VIRUS	spec	2.10	1.31	18.94	0.88			Yes
virus0000013_03	WD2341+322_034_E	06:01	60	1.0		VIRUS	spec	2.06	1.22	18.93	0.90			Yes
0006	LFC Cal	06:03	106.5			HPF	cal							Yes
0007	LFC Cal	06:06	106.5			HPF	cal							Yes
0008	LFC Cal	06:08	106.5			HPF	cal							Yes
virus0000014_01	parallel	06:40	1000			VIRUS	sci							Yes
0009	QID 961	06:41	969.1	6.8	UT26-3-012	HPF	sci	1.27	0.82	18.77	0.95	435		Yes
0010	LFC Cal	06:58	106.5			HPF	cal							Yes
0011	QID 106	07:14	756.1	5.4	UT26-3-004	HPF	sci	1.44	0.75	18.22	0.89	101		Yes
virus0000015_01	parallel	07:14	3148			VIRUS	sci							Yes
0012	QID 106	07:28	756.1	0.4	UT26-3-004	HPF	sci	1.44	0.81	18.05	1.01	113	sky brightness increased past threshold during observation, please review data and reject if needed	Yes
0013	QID 106	07:41	756.1	1.4	UT26-3-004	HPF	sci	1.46	0.93	17.85	1.00	109	sky brightness increased past threshold during observation, please review data and reject if needed	Yes
0014	QID 106	07:55	756.1	0.4	UT26-3-004	HPF	sci	1.40	1.28	17.52	1.08	90	sky brightness increased past threshold during observation, please review data and reject if needed	Yes
virus0000016_01	parallel	08:34	2000			VIRUS	sci							Yes
0015	QID 800	08:35	969.1	4.8	PSU26-3-012	HPF	sci	1.20	0.82	18.21	0.68	173		Yes
0016	QID 800	08:52	969.1	0.8	PSU26-3-012	HPF	sci	1.21	1.07	18.24	0.79	202		Yes
0017	LFC Cal	09:10	106.5			HPF	cal							Yes
virus0000017_01	parallel	09:16	1190.6			VIRUS	sci							Yes
0018	QID 182	09:17	553.8	8.8	UT26-3-002	HPF	sci	1.39	1.04	18.74	0.50	386		Yes
0019	QID 182	09:27	553.8	0.8	UT26-3-002	HPF	sci	1.40	1.16	19.03	0.53	443		Yes
0020	QID 183	09:42	404.7	6.3	UT26-3-002	HPF	sci	1.42	1.14	18.84	0.87	528		Yes
virus0000018_01	parallel	09:42	446.2			VIRUS	sci							Yes
virus0000019_01	parallel	09:53	3020.2			VIRUS	sci							Yes
0021	QID 766	09:54	713.6	5.1	UT26-3-001	HPF	sci	1.40	1.16	19.08	0.67	68		Yes
0022	QID 766	10:06	713.6	0.1	UT26-3-001	HPF	sci	1.44	1.24	19.37	0.70	73		Yes
0023	QID 766	10:19	713.6	1.1	UT26-3-001	HPF	sci	1.39	1.25	19.44	0.74	72		Yes
0024	QID 766	10:32	713.6	1.1	UT26-3-001	HPF	sci	1.50	1.24	19.53	0.82	62		Yes
lrs20000019_01	bias	10:50	0			LRS2	cal							Yes
virus0000020_01	bias	10:51	0			VIRUS	cal							Yes
virus0000021_01	Cd-A	10:55	15		ENG26-3-002	VIRUS	cal							Yes
virus0000022_01	Hg	10:56	15		ENG26-3-002	VIRUS	cal							Yes
0025	Dark	11:22	319.5			HPF	cal							Yes
0026	Quartz FCU	11:33	74.5			HPF	cal							Yes
0027	Quartz FCU	11:35	74.5			HPF	cal							Yes
0028	Quartz FCU	11:37	74.5			HPF	cal							Yes
0029	Quartz FCU	11:38	74.5			HPF	cal							Yes
0030	Quartz FCU	11:40	74.5			HPF	cal							Yes
0031	Quartz FCU	11:42	74.5			HPF	cal							Yes
0032	Quartz FCU	11:44	74.5			HPF	cal							Yes
0033	Alpha Bright Cal	11:46	85.2			HPF	cal							Yes
0034	Alpha Bright Cal	11:48	85.2			HPF	cal							Yes
0035	Alpha Bright Cal	11:50	85.2			HPF	cal							Yes
0036	Alpha Bright Cal	11:52	85.2			HPF	cal							Yes
0037	LFC FCU	11:55	106.5			HPF	cal							Yes
0038	LFC FCU	11:57	106.5			HPF	cal							Yes
0039	LFC FCU	12:00	106.5			HPF	cal							Yes
0040	LFC FCU	12:02	106.5			HPF	cal							Yes
0041	LFC FCU	12:04	106.5			HPF	cal							Yes
0042	LFC FCU	12:07	106.5			HPF	cal							Yes
0043	LFC Cal	12:09	106.5			HPF	cal							Yes
0044	LFC Cal	12:12	106.5			HPF	cal							Yes
0045	Etalon Cal	12:20	159.8			HPF	cal							Yes
0046	Etalon Cal	12:23	159.8			HPF	cal							Yes
0047	Etalon Cal	12:26	159.8			HPF	cal							Yes
0048	Etalon Cal	12:29	159.8			HPF	cal							Yes
0049	UNe Slave Cal	12:33	426			HPF	cal							Yes
0050	UNe Slave Cal	12:41	426			HPF	cal							Yes
0051	UNe Slave Cal	12:48	426			HPF	cal							Yes
0052	UNe Slave Cal	12:56	426			HPF	cal							Yes
0053	UNe Slave Cal	13:04	426			HPF	cal							Yes
0054	UNe Slave Cal	13:12	426			HPF	cal							Yes
0078	test_drk_donotuse	18:13	10.7			HPF	cal							Yes
0079	test_drk_donotuse	18:14	10.7			HPF	cal							Yes
0080	LFC Cal	21:27	106.5			HPF	cal							Yes
lrs20009900_01	bias	21:37	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	21:38	20			VIRUS	cal							Yes
virus0009901_01	bias	21:39	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	21:40	20			LRS2	cal							Yes
virus0009902_01	dark	21:41	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	21:42	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	21:44	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	21:45	15			LRS2	cal							Yes
0081	Dark	21:48	319.5			HPF	cal							Yes
0082	Quartz FCU	21:55	74.5			HPF	cal							Yes
0083	Quartz FCU	21:56	74.5			HPF	cal							Yes
0084	Quartz FCU	21:58	74.5			HPF	cal							Yes
0085	Quartz FCU	22:00	74.5			HPF	cal							Yes
0086	Quartz FCU	22:02	74.5			HPF	cal							Yes
0087	Quartz FCU	22:04	74.5			HPF	cal							Yes
0088	Quartz FCU	22:05	74.5			HPF	cal							Yes
0089	Alpha Bright Cal	22:08	85.2			HPF	cal							Yes
0090	Alpha Bright Cal	22:10	85.2			HPF	cal							Yes
0091	Alpha Bright Cal	22:12	85.2			HPF	cal							Yes
0092	Alpha Bright Cal	22:14	85.2			HPF	cal							Yes
0093	LFC FCU	22:16	106.5			HPF	cal							Yes
0094	LFC FCU	22:19	106.5			HPF	cal							Yes
0095	LFC Cal	22:22	106.5			HPF	cal							Yes
0096	LFC Cal	22:24	106.5			HPF	cal							Yes
0097	Etalon Cal	22:27	159.8			HPF	cal							Yes
0098	UNe Slave Cal	22:30	426			HPF	cal							Yes
0099	UNe Slave Cal	22:38	426			HPF	cal							Yes
0100	UNe Slave Cal	22:46	426			HPF	cal							Yes
0101	UNe Slave Cal	22:54	426			HPF	cal							Yes
0102	UNe Slave Cal	23:02	426			HPF	cal							Yes
0103	UNe Slave Cal	23:09	426			HPF	cal							Yes

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