HET Night Report Reader

Civil Date	Ephemerides
2026-06-09	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	02:06	02:59	03:35	10:15	10:51	11:45	08:10	-
Night Length	6:40		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator	OPS Engineer	Day Ops
Sergey Rostopchin	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	25.1	23.1	10:29	twilight	08:51
Total Time Open					8:51

Program	Night Priority	Science
03:35	Science
08:13	Idle due to weather (clouds)
08:57	Science
09:50	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
02:34	03:03	0.46	0.70	-380	-1069	22.1	23.0	23.2	153	10	First of Night
06:33	06:44	0.49	0.84	-370	-467	20.3	20.9	21.0	186	18	Post-Observing
06:44	07:13	0.41	0.63	-390	+734	19.8	20.4	20.6	179	18	Stack/Re-stack
10:20	10:27	0.51	0.79	-450	+960	18.9	19.3	19.3	185	22	Post-Observing

Problem Reports
PR Number	Times	Time Lost	Description	Response
6684	05:11-05:34	00:23		hobs incorrectly displaying track and exp times. Need to abort exposure.

Ops Comments	none

TO Comments	Clouds in and out and bad seeing for most of night

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
lrs20000020_02	dark	00:04	360			LRS2	cal							Yes
virus0000025_02	dark	00:04	360			VIRUS	cal							Yes
lrs20000020_03	dark	00:11	360			LRS2	cal							Yes
virus0000025_03	dark	00:11	360			VIRUS	cal							Yes
0001	twilight	02:03	298.2			HPF	cal					483		Yes
lrs20000001_01	skyflat	02:12	7			LRS2	cal							Yes
lrs20000002_01	skyflat	02:13	10			LRS2	cal							Yes
lrs20000003_01	skyflat	02:14	13			LRS2	cal							Yes
lrs20000004_01	skyflat	02:15	16			LRS2	cal							Yes
lrs20000005_01	skyflat	02:17	22			LRS2	cal							Yes
lrs20000006_01	skyflat	02:18	30			LRS2	cal							Yes
virus0000001_01	skyflat	02:22	7			VIRUS	cal							Yes
virus0000002_01	skyflat	02:23	10			VIRUS	cal							Yes
virus0000003_01	skyflat	02:24	14			VIRUS	cal							Yes
virus0000004_01	skyflat	02:26	18			VIRUS	cal							Yes
virus0000005_01	skyflat	02:27	26			VIRUS	cal							Yes
0002	LFC Cal	02:31	106.5			HPF	cal							Yes
0003	LFC Cal	02:33	106.5			HPF	cal							Yes
0004	LFC Cal	02:35	106.5			HPF	cal							Yes
virus0000006_01	parallel	03:14	1297.1			VIRUS	sci							Yes
0005	QID 718	03:15	617.7	5.7	UT26-2-004	HPF	sci	1.51	1.04	19.72	0.53	105		P4
0006	QID 718	03:26	617.7	0.7	UT26-2-004	HPF	sci	1.61	1.24	19.88	0.68	118		P4
virus0000007_01	parallel	03:41	1800			VIRUS	sci							Yes
lrs20000007_01	QID 1001	03:41	1800	5.0	UT26-2-003	LRS2-B	sci	1.80	1.12	21.66	0.61			Yes
0007	LFC Cal	03:42	106.5			HPF	cal							Yes
0008	LFC Cal	03:44	106.5			HPF	cal							Yes
0009	LFC Cal	03:46	106.5			HPF	cal							Yes
virus0000008_01	parallel	04:18	2000			VIRUS	sci							Yes
0010	QID 1008	04:19	969.1	7.8	PSU26-2-015	HPF	sci	2.04	1.44	19.98	0.74	202		Yes
0011	QID 1008	04:36	969.1	0.8	PSU26-2-015	HPF	sci	2.07	1.61	19.95	0.59	154		Yes
0012	LFC Cal	04:54	106.5			HPF	cal							Yes
0013	LFC Cal	04:58	106.5			HPF	cal							Yes
lrs20000008_01	QID 325	04:58	180	6.0	UT26-2-017	LRS2-B	sci	2.13	1.41	21.89	0.47			P4
0014	LFC Cal	05:05	106.5			HPF	cal							Yes
virus0000009_01	parallel	05:05	360			VIRUS	sci							Yes
lrs20000009_01	QID 326	05:05	360	4.0	UT26-2-017	LRS2-R	sci	1.91	1.36	20.65	0.58			P4
0015	LFC Cal	05:07	106.5			HPF	cal							Yes
virus0000010_01	parallel	05:16	3616.6			VIRUS	sci							Yes
0016	QID 949	05:17	873.3	5.4	UT26-2-009	HPF	sci	2.20	1.71	20.01	0.69	34		No
0017	LFC Cal	05:40	106.5			HPF	cal							Yes
virus0000011_01	parallel	05:40	3100			VIRUS	sci							Yes
lrs20000010_01	QID 1006	05:40	3100	9.3	UT26-2-002	LRS2-B	sci	2.04	1.34	21.54	0.65			Yes
0018	LFC Cal	05:43	106.5			HPF	cal							Yes
0019	LFC Cal	05:45	106.5			HPF	cal							Yes
lrs20000011_01	HD180609_056_E	07:17	30	4.5		LRS2	spec	2.42	1.76	21.75	0.78			Yes
lrs20000012_01	HD180609_066_E	07:21	30	3.5		LRS2	spec	2.52	1.92	20.75	0.85			Yes
0020	LFC Cal	07:26	106.5			HPF	cal							Yes
lrs20000013_01	parallel	07:26	360			LRS2	sci							Yes
virus0000012_01	QID 997	07:26	360	4.0	UT26-2-016	VIRUS	sci	2.25	1.81	21.91	0.76			Yes
0021	LFC Cal	07:28	106.5			HPF	cal							Yes
lrs20000013_02	parallel	07:33	360			LRS2	sci							Yes
virus0000012_02	QID 997	07:33	360	1.0	UT26-2-016	VIRUS	sci	2.28	2.10	21.93	0.78			Yes
lrs20000013_03	parallel	07:40	360			LRS2	sci							Yes
virus0000012_03	QID 997	07:40	360	1.0	UT26-2-016	VIRUS	sci	2.37	2.08	21.89	0.76			Yes
virus0000013_01	parallel	07:52	1200			VIRUS	sci							Yes
0022	LFC Cal	07:53	106.5			HPF	cal							Yes
lrs20000014_01	QID 654	07:53	1200	7.0	PSU26-2-004	LRS2-B	sci	2.11	1.83	21.57	0.78			Yes
0023	LFC Cal	07:55	106.5			HPF	cal							Yes
0024	LFC Cal	07:57	106.5			HPF	cal							Yes
0025	LFC Cal	08:14	106.5			HPF	cal							Yes
0026	HD_185144	08:21	74.5	7.8	ENG26-2-006	HPF	eng	1.83	1.37	19.72	1.03	522		No
virus0000014_01	parallel	08:21	6963			VIRUS	eng							Yes
0027	HD_185144	08:23	74.5	0.8	ENG26-2-006	HPF	eng	1.72	1.93	19.66	0.98	560		No
0028	HD_185144	08:25	74.5	0.8	ENG26-2-006	HPF	eng	1.84	1.50	19.76	1.01	526		No
0029	HD_185144	08:26	74.5	0.8	ENG26-2-006	HPF	eng	2.03	1.83	19.76	1.00	516		No
0030	HD_185144	08:28	74.5	-0.2	ENG26-2-006	HPF	eng	1.97	1.82	19.76	0.98	527		No
0031	HD_185144	08:30	74.5	0.8	ENG26-2-006	HPF	eng	1.88	1.58	19.75	0.97	532		No
0032	HD_185144	08:32	74.5	0.8	ENG26-2-006	HPF	eng	1.92	1.65	19.76	0.97	526		No
0033	HD_185144	08:34	74.5	0.8	ENG26-2-006	HPF	eng	2.04	1.83	19.74	0.92	493		No
0034	HD_185144	08:35	74.5	0.8	ENG26-2-006	HPF	eng	1.94	1.79	19.57	0.50	415		No
0035	HD_185144	08:37	74.5	-0.2	ENG26-2-006	HPF	eng	1.78	1.80	19.57	0.62	547		No
0036	HD_185144	08:39	74.5	0.8	ENG26-2-006	HPF	eng	1.72	1.39	19.78	0.90	592		No
0037	HD_185144	08:41	74.5	0.8	ENG26-2-006	HPF	eng	1.79	1.51	19.67	0.69	445		No
0038	HD_185144	08:42	74.5	0.8	ENG26-2-006	HPF	eng	1.81	1.63	19.56	0.52	503		No
0039	HD_185144	08:44	74.5	-0.2	ENG26-2-006	HPF	eng	1.74	1.44	19.42	0.23	219		No
0040	HD_185144	08:46	74.5	0.8	ENG26-2-006	HPF	eng	2.07	1.48	19.36	0.34	347		No
0041	HD_185144	08:48	74.5	0.8	ENG26-2-006	HPF	eng	2.02	1.45	19.24	0.11	108		No
0042	LFC Cal	08:50	106.5			HPF	cal							Yes
0043	LFC Cal	09:02	106.5			HPF	cal							Yes
virus0000015_01	parallel	09:02	2900			VIRUS	sci							Yes
lrs20000015_01	QID 1005	09:02	2900	4.7	UT26-2-002	LRS2-B	sci	2.28	1.40	21.04	0.76			Yes
0044	LFC Cal	09:04	106.5			HPF	cal							Yes
0045	LFC Cal	09:07	106.5			HPF	cal							Yes
0046	HR6744_tell_std	09:58	330.2	7.5		HPF	telluric	2.29	1.51	19.73	0.34			Yes
lrs20000016_01	bias	10:21	0			LRS2	cal							Yes
virus0000016_01	bias	10:22	0			VIRUS	cal							Yes
virus0000017_01	Cd-A	10:26	15		ENG26-2-002	VIRUS	cal							Yes
virus0000018_01	Hg	10:27	15		ENG26-2-002	VIRUS	cal							Yes
0047	Dark	10:34	319.5			HPF	cal							Yes
0048	Quartz FCU	10:46	74.5			HPF	cal							Yes
0049	Quartz FCU	10:47	74.5			HPF	cal							Yes
0050	Quartz FCU	10:49	74.5			HPF	cal							Yes
0051	Quartz FCU	10:51	74.5			HPF	cal							Yes
0052	Quartz FCU	10:53	74.5			HPF	cal							Yes
0053	Quartz FCU	10:55	74.5			HPF	cal							Yes
0054	Quartz FCU	10:56	74.5			HPF	cal							Yes
0055	Alpha Bright Cal	10:59	85.2			HPF	cal							Yes
0056	Alpha Bright Cal	11:01	85.2			HPF	cal							Yes
0057	Alpha Bright Cal	11:03	85.2			HPF	cal							Yes
0058	Alpha Bright Cal	11:05	85.2			HPF	cal							Yes
0059	LFC FCU	11:07	106.5			HPF	cal							Yes
0060	LFC FCU	11:10	106.5			HPF	cal							Yes
0061	LFC FCU	11:12	106.5			HPF	cal							Yes
0062	LFC FCU	11:14	106.5			HPF	cal							Yes
0063	LFC FCU	11:16	106.5			HPF	cal							Yes
0064	LFC FCU	11:19	106.5			HPF	cal							Yes
0065	LFC Cal	11:22	106.5			HPF	cal							Yes
0066	LFC Cal	11:24	106.5			HPF	cal							Yes
0067	Etalon Cal	11:32	159.8			HPF	cal							Yes
0068	Etalon Cal	11:35	159.8			HPF	cal							Yes
0069	Etalon Cal	11:38	159.8			HPF	cal							Yes
0070	Etalon Cal	11:41	159.8			HPF	cal							Yes
0071	UNe Slave Cal	11:45	426			HPF	cal							Yes
0072	UNe Slave Cal	11:53	426			HPF	cal							Yes
0073	UNe Slave Cal	12:00	426			HPF	cal							Yes
0074	UNe Slave Cal	12:08	426			HPF	cal							Yes
0075	UNe Slave Cal	12:16	426			HPF	cal							Yes
0076	UNe Slave Cal	12:24	426			HPF	cal							Yes
virus0008100_01	dark	19:03	20			VIRUS	cal							Yes
virus0008100_02	dark	19:04	20			VIRUS	cal							Yes
virus0008101_01	flat_ldls_long	19:08	15			VIRUS	cal							Yes
virus0008101_02	flat_ldls_long	19:09	15			VIRUS	cal							Yes
virus0008102_01	bias	19:10	0			VIRUS	cal							Yes
virus0008102_02	bias	19:11	0			VIRUS	cal							Yes
0117	LFC Cal	21:49	106.5			HPF	cal							Yes
lrs20009900_01	bias	21:59	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	22:00	20			VIRUS	cal							Yes
virus0009901_01	bias	22:02	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	22:02	20			LRS2	cal							Yes
virus0009902_01	dark	22:04	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:04	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:06	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:07	15			LRS2	cal							Yes
virus0000019_01	bias	22:13	0			VIRUS	cal							Yes
virus0000020_01	bias	22:17	0			VIRUS	cal							Yes
0118	Dark	22:20	319.5			HPF	cal							Yes
0119	Quartz FCU	22:27	74.5			HPF	cal							Yes
0120	Quartz FCU	22:28	74.5			HPF	cal							Yes
0121	Quartz FCU	22:30	74.5			HPF	cal							Yes
0122	Quartz FCU	22:32	74.5			HPF	cal							Yes
0123	Quartz FCU	22:34	74.5			HPF	cal							Yes
0124	Quartz FCU	22:35	74.5			HPF	cal							Yes
0125	Quartz FCU	22:37	74.5			HPF	cal							Yes
0126	Alpha Bright Cal	22:40	85.2			HPF	cal							Yes
0127	Alpha Bright Cal	22:42	85.2			HPF	cal							Yes
0128	Alpha Bright Cal	22:44	85.2			HPF	cal							Yes
0129	Alpha Bright Cal	22:46	85.2			HPF	cal							Yes
0130	LFC FCU	22:48	106.5			HPF	cal							Yes
0131	LFC FCU	22:51	106.5			HPF	cal							Yes
0132	LFC Cal	22:54	106.5			HPF	cal							Yes
0133	LFC Cal	22:56	106.5			HPF	cal							Yes
0134	Etalon Cal	22:59	159.8			HPF	cal							Yes
0135	UNe Slave Cal	23:02	426			HPF	cal							Yes
lrs20000013_01	flat_Qth_R	23:04	15			LRS2	cal							Yes
lrs20000013_02	flat_Qth_R	23:05	15			LRS2	cal							Yes
lrs20000013_03	flat_Qth_R	23:07	15			LRS2	cal							Yes
lrs20000013_04	flat_Qth_R	23:08	15			LRS2	cal							Yes
lrs20000013_05	flat_Qth_R	23:09	15			LRS2	cal							Yes
0136	UNe Slave Cal	23:10	426			HPF	cal							Yes
lrs20000014_01	flat_ldls_long_B	23:10	20			LRS2	cal							Yes
lrs20000014_02	flat_ldls_long_B	23:12	20			LRS2	cal							Yes
lrs20000014_03	flat_ldls_long_B	23:13	20			LRS2	cal							Yes
lrs20000015_01	Cd-A_B	23:14	29			LRS2	cal							Yes
lrs20000015_02	Cd-A_B	23:16	29			LRS2	cal							Yes
lrs20000015_03	Cd-A_B	23:17	29			LRS2	cal							Yes
0137	UNe Slave Cal	23:18	426			HPF	cal							Yes
lrs20000016_01	FeAr_R	23:19	15			LRS2	cal							Yes
lrs20000016_02	FeAr_R	23:20	15			LRS2	cal							Yes
lrs20000016_03	FeAr_R	23:21	15			LRS2	cal							Yes
lrs20000017_01	Hg_R	23:23	20			LRS2	cal							Yes
lrs20000017_02	Hg_R	23:24	20			LRS2	cal							Yes
lrs20000017_03	Hg_R	23:25	20			LRS2	cal							Yes
0138	UNe Slave Cal	23:26	426			HPF	cal							Yes
lrs20000018_01	Hg_B	23:27	15			LRS2	cal							Yes
lrs20000018_02	Hg_B	23:28	15			LRS2	cal							Yes
lrs20000018_03	Hg_B	23:29	15			LRS2	cal							Yes
0139	UNe Slave Cal	23:33	426			HPF	cal							Yes
virus0000021_01	flat_ldls_long	23:36	15			VIRUS	cal							Yes
virus0000021_02	flat_ldls_long	23:37	15			VIRUS	cal							Yes
virus0000021_03	flat_ldls_long	23:39	15			VIRUS	cal							Yes
virus0000022_01	Cd-A	23:40	15			VIRUS	cal							Yes
0140	UNe Slave Cal	23:41	426			HPF	cal							Yes
virus0000022_02	Cd-A	23:41	15			VIRUS	cal							Yes
virus0000022_03	Cd-A	23:43	15			VIRUS	cal							Yes
virus0000023_01	Hg	23:44	15			VIRUS	cal							Yes
virus0000023_02	Hg	23:45	15			VIRUS	cal							Yes
virus0000023_03	Hg	23:47	15			VIRUS	cal							Yes
lrs20000019_01	bias	23:48	0			LRS2	cal							Yes
virus0000024_01	bias	23:48	0			VIRUS	cal							Yes
lrs20000019_02	bias	23:49	0			LRS2	cal							Yes
virus0000024_02	bias	23:49	0			VIRUS	cal							Yes
lrs20000019_03	bias	23:50	0			LRS2	cal							Yes
virus0000024_03	bias	23:50	0			VIRUS	cal							Yes
lrs20000019_04	bias	23:51	0			LRS2	cal							Yes
virus0000024_04	bias	23:51	0			VIRUS	cal							Yes
lrs20000019_05	bias	23:51	0			LRS2	cal							Yes
virus0000024_05	bias	23:52	0			VIRUS	cal							Yes
lrs20000019_06	bias	23:52	0			LRS2	cal							Yes
virus0000024_06	bias	23:52	0			VIRUS	cal							Yes
lrs20000019_07	bias	23:53	0			LRS2	cal							Yes
virus0000024_07	bias	23:53	0			VIRUS	cal							Yes
lrs20000019_08	bias	23:54	0			LRS2	cal							Yes
virus0000024_08	bias	23:54	0			VIRUS	cal							Yes
lrs20000019_09	bias	23:55	0			LRS2	cal							Yes
virus0000024_09	bias	23:55	0			VIRUS	cal							Yes
lrs20000019_10	bias	23:56	0			LRS2	cal							Yes
virus0000024_10	bias	23:56	0			VIRUS	cal							Yes
lrs20000019_11	bias	23:57	0			LRS2	cal							Yes
virus0000024_11	bias	23:57	0			VIRUS	cal							Yes
lrs20000020_01	dark	23:57	360			LRS2	cal							Yes
virus0000025_01	dark	23:58	360			VIRUS	cal							Yes

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