HET Night Report Reader

Civil Date	Ephemerides
2026-05-12	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:49	02:39	03:12	10:31	11:04	11:55	09:41	-
Night Length	7:19		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator	OPS Engineer	Day Ops
Sergey Rostopchin	Justen Pautzke	-	-

Overlaps		none

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
01:48	23.6	21.9	11:10	twilight	09:22
Total Time Open					9:22

Program	Night Priority	Science
03:12	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
02:20	03:07	0.55	0.84	-337	-852	22.2	22.6	21.3	86	12	First of Night
↪ Comments			Needed to use exposure time during measurement of 1/125s
06:32	06:54				858	21.2	21.1	21.3	195	13	Stack/Re-stack
11:01	11:08	0.72	1.11	-557	1008	20.1	20.2	20.1	198	11	Post-Observing

Problem Reports
PR Number	Times	Time Lost	Description	Response
6676	07:58-08:13	00:15	hobs not set correct number of exposure in iexp command if requested exp time more then track length

Ops Comments	none

TO Comments	Mostly clear, no major issues.

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	01:55	7			LRS2	cal							Yes
lrs20000002_01	skyflat	01:56	10			LRS2	cal							Yes
lrs20000003_01	skyflat	01:57	13			LRS2	cal							Yes
lrs20000004_01	skyflat	01:58	16			LRS2	cal							Yes
lrs20000005_01	skyflat	01:59	22			LRS2	cal							Yes
lrs20000006_01	skyflat	02:01	30			LRS2	cal							Yes
virus0000001_01	skyflat	02:04	7			VIRUS	cal							Yes
virus0000002_01	skyflat	02:06	10			VIRUS	cal							Yes
virus0000003_01	skyflat	02:07	14			VIRUS	cal							Yes
virus0000004_01	skyflat	02:08	18			VIRUS	cal							Yes
virus0000005_01	skyflat	02:10	26			VIRUS	cal							Yes
virus0000006_01	parallel	03:16	300			VIRUS	sci							Yes
0001	LFC Cal	03:17	106.5			HPF	cal							Yes
lrs20000007_01	QID 607	03:17	300	9.0	PSU26-2-001	LRS2-R	sci	1.55		20.48	1.19			P4
0002	LFC Cal	03:19	106.5			HPF	cal							Yes
0003	LFC Cal	03:27	106.5			HPF	cal							Yes
lrs20000008_01	parallel	03:27	360			LRS2	sci							Yes
virus0000007_01	QID 561	03:27	360	5.0	UT26-2-016	VIRUS	sci	1.38		21.92	0.89			Yes
0004	LFC Cal	03:29	106.5			HPF	cal							Yes
lrs20000008_02	parallel	03:34	360			LRS2	sci							Yes
virus0000007_02	QID 561	03:34	360	1.0	UT26-2-016	VIRUS	sci	1.68		21.88	0.88			Yes
lrs20000008_03	parallel	03:41	360			LRS2	sci							Yes
virus0000007_03	QID 561	03:41	360	1.0	UT26-2-016	VIRUS	sci	1.66		21.84	0.92			Yes
0005	QID 119	03:57	969.1	10.8	UT26-2-019	HPF	sci	1.48	0.83	20.06	0.98	301		P4
virus0000008_01	parallel	03:57	1023			VIRUS	sci							Yes
0006	LFC Cal	04:15	106.5			HPF	cal							Yes
0007	LFC Cal	04:19	106.5			HPF	cal							Yes
lrs20000009_01	parallel	04:19	300			LRS2	sci							Yes
virus0000009_01	QID 45	04:19	300	5.0	M26-2-004	VIRUS	sci	1.45	0.78	21.60	0.93			Yes
0008	LFC Cal	04:21	106.5			HPF	cal							Yes
0009	LFC Cal	04:27	106.5			HPF	cal							Yes
lrs20000010_01	parallel	04:27	300			LRS2	sci							Yes
virus0000010_01	QID 46	04:27	300	3.0	M26-2-004	VIRUS	sci	1.46	0.87	21.62	0.94			Yes
0010	LFC Cal	04:30	106.5			HPF	cal							Yes
lrs20000011_01	parallel	04:35	300			LRS2	sci							Yes
virus0000011_01	QID 47	04:35	300	3.0	M26-2-004	VIRUS	sci	1.51	0.83	21.60	0.91			Yes
0011	LFC Cal	04:36	106.5			HPF	cal							Yes
0012	LFC Cal	04:38	106.5			HPF	cal							Yes
0013	LFC Cal	04:44	106.5			HPF	cal							Yes
lrs20000012_01	parallel	04:44	300			LRS2	sci							Yes
virus0000012_01	QID 48	04:44	300	4.0	M26-2-004	VIRUS	sci	1.44	0.74	21.58	0.91			Yes
0014	LFC Cal	04:46	106.5			HPF	cal							Yes
0015	LFC Cal	04:54	106.5			HPF	cal							Yes
lrs20000013_01	parallel	04:54	300			LRS2	sci							Yes
virus0000013_01	QID 53	04:54	300	5.0	M26-2-004	VIRUS	sci	1.53	0.78	21.68	0.93			Yes
0016	LFC Cal	04:56	106.5			HPF	cal							Yes
0017	LFC Cal	05:03	106.5			HPF	cal							Yes
lrs20000014_01	parallel	05:03	300			LRS2	sci							Yes
virus0000014_01	QID 54	05:03	300	4.0	M26-2-004	VIRUS	sci	1.56	0.92	21.69	0.90			Yes
0018	LFC Cal	05:06	106.5			HPF	cal							Yes
lrs20000015_01	parallel	05:11	300			LRS2	sci							Yes
virus0000015_01	QID 55	05:11	300	3.0	M26-2-004	VIRUS	sci	1.48	0.88	21.65	0.92			Yes
0019	LFC Cal	05:12	106.5			HPF	cal							Yes
0020	LFC Cal	05:14	106.5			HPF	cal							Yes
lrs20000016_01	parallel	05:20	300			LRS2	sci							Yes
virus0000016_01	QID 56	05:20	300	4.0	M26-2-004	VIRUS	sci	1.44	1.11	21.56	0.94			Yes
0021	LFC Cal	05:21	106.5			HPF	cal							Yes
0022	LFC Cal	05:23	106.5			HPF	cal							Yes
0023	QID 876	05:33	681.6	7.6	UT26-2-009	HPF	sci	1.48	0.85	20.51	0.81	90		Yes
virus0000017_01	parallel	05:33	1453			VIRUS	sci							Yes
0024	QID 876	05:45	681.6	1.6	UT26-2-009	HPF	sci	1.39	0.88	20.39	0.87	87		Yes
0025	LFC Cal	06:03	106.5			HPF	cal							Yes
lrs20000017_01	parallel	06:03	360			LRS2	sci							Yes
virus0000018_01	QID 554	06:03	360	6.0	UT26-2-016	VIRUS	sci	1.59	0.83	21.90	0.85			Yes
0026	LFC Cal	06:05	106.5			HPF	cal							Yes
lrs20000017_02	parallel	06:10	360			LRS2	sci							Yes
virus0000018_02	QID 554	06:10	360	1.0	UT26-2-016	VIRUS	sci	1.52	1.02	21.88	0.84			Yes
lrs20000017_03	parallel	06:17	360			LRS2	sci							Yes
virus0000018_03	QID 554	06:17	360	1.0	UT26-2-016	VIRUS	sci	1.51	0.89	21.89	0.82			Yes
0027	QID 79	06:31	42.6	8.3	UT26-2-019	HPF	sci	1.61	0.91	20.22	0.84	614		P4
0028	LFC Cal	06:33	106.5			HPF	cal							Yes
0029	QID 863	06:59	841.4	27.0	UT26-2-009	HPF	sci	1.53	1.02	20.45	0.74	44		Yes
virus0000019_01	parallel	06:59	4526			VIRUS	sci							Yes
0030	QID 863	07:14	841.4	1.0	UT26-2-009	HPF	sci	1.59	1.15	20.40	0.90	53		Yes
0031	QID 863	07:29	841.4	1.0	UT26-2-009	HPF	sci	1.45	1.02	20.43	0.89	54		Yes
0032	QID 863	07:44	841.4	1.0	UT26-2-009	HPF	sci	1.35	0.89	20.21	1.01	45		Yes
0033	QID 863	07:59	841.4	1.0	UT26-2-009	HPF	sci	1.29	0.96	20.03	1.16			No
0034	LFC Cal	08:23	106.5			HPF	cal							Yes
lrs20000018_01	parallel	08:23	1000			LRS2	sci							Yes
virus0000020_01	QID 217	08:23	1000	9.3	PSU26-2-003	VIRUS	sci	1.44	0.88	22.12	0.88			Yes
0035	LFC Cal	08:25	106.5			HPF	cal							Yes
0036	LFC Cal	08:28	106.5			HPF	cal							Yes
lrs20000018_02	parallel	08:41	1000			LRS2	sci							Yes
virus0000020_02	QID 217	08:41	1000	1.3	PSU26-2-003	VIRUS	sci	1.36	0.91	22.06	0.84			Yes
lrs20000018_03	parallel	08:58	1000			LRS2	sci							Yes
virus0000020_03	QID 217	08:58	1000	1.3	PSU26-2-003	VIRUS	sci	1.32	0.90	22.07	0.76			Yes
lrs20000019_01	parallel	09:22	360			LRS2	sci							Yes
virus0000021_01	QID 572	09:22	360	7.0	UT26-2-016	VIRUS	sci	1.62	1.00	22.06	1.01			Yes
0037	LFC Cal	09:23	106.5			HPF	cal							Yes
0038	LFC Cal	09:25	106.5			HPF	cal							Yes
lrs20000019_02	parallel	09:30	360			LRS2	sci							Yes
virus0000021_02	QID 572	09:30	360	2.0	UT26-2-016	VIRUS	sci	1.56	0.92	22.05	1.01			Yes
lrs20000019_03	parallel	09:37	360			LRS2	sci							Yes
virus0000021_03	QID 572	09:37	360	1.0	UT26-2-016	VIRUS	sci	1.54	0.95	22.04	1.00			Yes
virus0000022_01	parallel	09:49	300			VIRUS	sci							Yes
lrs20000020_01	QID 910	09:49	300	6.0	PSU26-2-004	LRS2-B	sci	1.72	1.02	21.69	0.86			Yes
0039	LFC Cal	09:50	106.5			HPF	cal							Yes
0040	LFC Cal	09:52	106.5			HPF	cal							Yes
virus0000022_02	parallel	09:55	300			VIRUS	sci							Yes
lrs20000020_02	QID 910	09:56	300	2.0	PSU26-2-004	LRS2-B	sci	1.65	1.09	21.65	0.87			Yes
virus0000022_03	parallel	10:02	300			VIRUS	sci							Yes
lrs20000020_03	QID 910	10:02	300	1.0	PSU26-2-004	LRS2-B	sci	1.56	1.09	21.63	0.89			Yes
0041	LFC Cal	10:14	106.5			HPF	cal							Yes
virus0000023_01	parallel	10:14	400			VIRUS	sci							Yes
lrs20000021_01	QID 666	10:14	400	7.3	PSU26-2-004	LRS2-B	sci	1.39	0.90	21.18	0.89			Yes
0042	LFC Cal	10:16	106.5			HPF	cal							Yes
0043	LFC Cal	10:19	106.5			HPF	cal							Yes
lrs20000022_01	BD+023375_056_W	10:33	60	12.0		LRS2	spec	1.57	1.40	21.59	0.95			Yes
lrs20000023_01	BD+023375_066_W	10:37	30	3.5		LRS2	spec	1.60	1.19	20.66	1.05			Yes
virus0000024_01	P330E_052_W	10:43	60	5.0		VIRUS	spec	1.68	1.52	21.67	0.82			Yes
virus0000024_02	P330E_052_W	10:45	60	1.0		VIRUS	spec	1.83	1.72	21.58	0.84			Yes
virus0000024_03	P330E_052_W	10:47	60	1.0		VIRUS	spec	1.96	2.14	21.42	0.83			Yes
0044	HR6747_tell_std	10:55	330.2	6.5		HPF	telluric	1.51	0.98	19.37	1.02			Yes
lrs20000024_01	bias	11:02	0			LRS2	cal							Yes
virus0000025_01	bias	11:02	0			VIRUS	cal							Yes
virus0000026_01	Cd-A	11:04	15		ENG26-2-002	VIRUS	cal							Yes
virus0000027_01	Hg	11:05	15		ENG26-2-002	VIRUS	cal							Yes
0045	Dark	11:14	319.5			HPF	cal							Yes
0046	Quartz FCU	11:26	74.5			HPF	cal							Yes
0047	Quartz FCU	11:28	74.5			HPF	cal							Yes
0048	Quartz FCU	11:30	74.5			HPF	cal							Yes
0049	Quartz FCU	11:31	74.5			HPF	cal							Yes
0050	Quartz FCU	11:33	74.5			HPF	cal							Yes
0051	Quartz FCU	11:35	74.5			HPF	cal							Yes
0052	Quartz FCU	11:37	74.5			HPF	cal							Yes
0053	Alpha Bright Cal	11:39	85.2			HPF	cal							Yes
0054	Alpha Bright Cal	11:41	85.2			HPF	cal							Yes
0055	Alpha Bright Cal	11:43	85.2			HPF	cal							Yes
0056	Alpha Bright Cal	11:45	85.2			HPF	cal							Yes
0057	LFC FCU	11:48	106.5			HPF	cal							Yes
0058	LFC FCU	11:50	106.5			HPF	cal							Yes
0059	LFC FCU	11:52	106.5			HPF	cal							Yes
0060	LFC FCU	11:54	106.5			HPF	cal							Yes
0061	LFC FCU	11:57	106.5			HPF	cal							Yes
0062	LFC FCU	11:59	106.5			HPF	cal							Yes
0063	LFC Cal	12:02	106.5			HPF	cal							Yes
0064	LFC Cal	12:04	106.5			HPF	cal							Yes
0065	Etalon Cal	12:12	159.8			HPF	cal							Yes
0066	Etalon Cal	12:15	159.8			HPF	cal							Yes
0067	Etalon Cal	12:18	159.8			HPF	cal							Yes
0068	Etalon Cal	12:22	159.8			HPF	cal							Yes
0069	UNe Slave Cal	12:25	426			HPF	cal							Yes
0070	UNe Slave Cal	12:33	426			HPF	cal							Yes
0071	UNe Slave Cal	12:41	426			HPF	cal							Yes
0072	UNe Slave Cal	12:49	426			HPF	cal							Yes
0073	UNe Slave Cal	12:56	426			HPF	cal							Yes
0074	UNe Slave Cal	13:04	426			HPF	cal							Yes
0078	LFC Cal	21:45	106.5			HPF	cal							Yes
lrs20009900_01	bias	21:55	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	21:56	20			VIRUS	cal							Yes
virus0009901_01	bias	21:57	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	21:58	20			LRS2	cal							Yes
virus0009902_01	dark	21:59	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:00	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:02	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:03	15			LRS2	cal							Yes
0079	Dark	22:06	319.5			HPF	cal							Yes
0080	Quartz FCU	22:13	74.5			HPF	cal							Yes
0081	Quartz FCU	22:15	74.5			HPF	cal							Yes
0082	Quartz FCU	22:16	74.5			HPF	cal							Yes
0083	Quartz FCU	22:18	74.5			HPF	cal							Yes
0084	Quartz FCU	22:20	74.5			HPF	cal							Yes
0085	Quartz FCU	22:22	74.5			HPF	cal							Yes
0086	Quartz FCU	22:24	74.5			HPF	cal							Yes
0087	Alpha Bright Cal	22:26	85.2			HPF	cal							Yes
0088	Alpha Bright Cal	22:28	85.2			HPF	cal							Yes
0089	Alpha Bright Cal	22:30	85.2			HPF	cal							Yes
0090	Alpha Bright Cal	22:32	85.2			HPF	cal							Yes
0091	LFC FCU	22:34	106.5			HPF	cal							Yes
0092	LFC FCU	22:37	106.5			HPF	cal							Yes
0093	LFC Cal	22:40	106.5			HPF	cal							Yes
0094	LFC Cal	22:42	106.5			HPF	cal							Yes
0095	Etalon Cal	22:45	159.8			HPF	cal							Yes
0096	UNe Slave Cal	22:48	426			HPF	cal							Yes
lrs20000025_01	flat_Qth_R	22:49	15			LRS2	cal							Yes
lrs20000025_02	flat_Qth_R	22:50	15			LRS2	cal							Yes
lrs20000025_03	flat_Qth_R	22:52	15			LRS2	cal							Yes
lrs20000025_04	flat_Qth_R	22:53	15			LRS2	cal							Yes
lrs20000025_05	flat_Qth_R	22:54	15			LRS2	cal							Yes
lrs20000026_01	flat_ldls_long_B	22:55	20			LRS2	cal							Yes
0097	UNe Slave Cal	22:56	426			HPF	cal							Yes
lrs20000026_02	flat_ldls_long_B	22:57	20			LRS2	cal							Yes
lrs20000026_03	flat_ldls_long_B	22:58	20			LRS2	cal							Yes
lrs20000027_01	Cd-A_B	22:59	29			LRS2	cal							Yes
lrs20000027_02	Cd-A_B	23:01	29			LRS2	cal							Yes
lrs20000027_03	Cd-A_B	23:02	29			LRS2	cal							Yes
0098	UNe Slave Cal	23:04	426			HPF	cal							Yes
lrs20000028_01	FeAr_R	23:04	15			LRS2	cal							Yes
lrs20000028_02	FeAr_R	23:05	15			LRS2	cal							Yes
lrs20000028_03	FeAr_R	23:06	15			LRS2	cal							Yes
lrs20000029_01	Hg_R	23:07	20			LRS2	cal							Yes
lrs20000029_02	Hg_R	23:09	20			LRS2	cal							Yes
lrs20000029_03	Hg_R	23:10	20			LRS2	cal							Yes
lrs20000030_01	Hg_B	23:11	15			LRS2	cal							Yes
0099	UNe Slave Cal	23:12	426			HPF	cal							Yes
lrs20000030_02	Hg_B	23:13	15			LRS2	cal							Yes
lrs20000030_03	Hg_B	23:14	15			LRS2	cal							Yes
0100	UNe Slave Cal	23:20	426			HPF	cal							Yes
virus0000028_01	flat_ldls_long	23:20	15			VIRUS	cal							Yes
virus0000028_02	flat_ldls_long	23:22	15			VIRUS	cal							Yes
virus0000028_03	flat_ldls_long	23:23	15			VIRUS	cal							Yes
virus0000029_01	Cd-A	23:25	15			VIRUS	cal							Yes
virus0000029_02	Cd-A	23:26	15			VIRUS	cal							Yes
0101	UNe Slave Cal	23:27	426			HPF	cal							Yes
virus0000029_03	Cd-A	23:28	15			VIRUS	cal							Yes
virus0000030_01	Hg	23:29	15			VIRUS	cal							Yes
virus0000030_02	Hg	23:30	15			VIRUS	cal							Yes
virus0000030_03	Hg	23:32	15			VIRUS	cal							Yes
lrs20000031_01	bias	23:33	0			LRS2	cal							Yes
virus0000031_01	bias	23:33	0			VIRUS	cal							Yes
lrs20000031_02	bias	23:34	0			LRS2	cal							Yes
virus0000031_02	bias	23:34	0			VIRUS	cal							Yes
lrs20000031_03	bias	23:35	0			LRS2	cal							Yes
virus0000031_03	bias	23:35	0			VIRUS	cal							Yes
lrs20000031_04	bias	23:36	0			LRS2	cal							Yes
lrs20000031_05	bias	23:36	0			LRS2	cal							Yes
virus0000031_04	bias	23:36	0			VIRUS	cal							Yes
virus0000031_05	bias	23:37	0			VIRUS	cal							Yes
lrs20000031_06	bias	23:37	0			LRS2	cal							Yes
virus0000031_06	bias	23:38	0			VIRUS	cal							Yes
lrs20000031_07	bias	23:38	0			LRS2	cal							Yes
virus0000031_07	bias	23:39	0			VIRUS	cal							Yes
lrs20000031_08	bias	23:39	0			LRS2	cal							Yes
virus0000031_08	bias	23:39	0			VIRUS	cal							Yes
lrs20000031_09	bias	23:40	0			LRS2	cal							Yes
virus0000031_09	bias	23:40	0			VIRUS	cal							Yes
lrs20000031_10	bias	23:41	0			LRS2	cal							Yes
virus0000031_10	bias	23:41	0			VIRUS	cal							Yes
lrs20000031_11	bias	23:42	0			LRS2	cal							Yes
virus0000031_11	bias	23:42	0			VIRUS	cal							Yes
lrs20000032_01	dark	23:43	360			LRS2	cal							Yes
virus0000032_01	dark	23:43	360			VIRUS	cal							Yes
lrs20000032_02	dark	23:49	360			LRS2	cal							Yes
virus0000032_02	dark	23:50	360			VIRUS	cal							Yes
lrs20000032_03	dark	23:56	360			LRS2	cal							Yes
virus0000032_03	dark	23:57	360			VIRUS	cal							Yes

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