HET Night Report Reader

Civil Date	Ephemerides
2026-08-10	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:50	02:38	03:10	10:52	11:24	12:13	11:02	-
Night Length	7:42		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator	OPS Engineer	Day Ops
Sergey Rostopchin	Amy Westfall	-	-

Overlaps
TO Overlap	RA Overlap
Aiden Dillard	-

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
05:14	20.5	18.3	12:00	twilight	06:46
Total Time Open					6:46

Program	Night Priority	Science
03:10	Idle due to weather (radar, rain)
07:21	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
05:20	06:07	0.4	0.66	-410	+906	20.1	19.0	18.7	169	13	First of Night
08:37	09:05	0.37	0.56	-400	+1377	19.7	20.2	20.0	181	16	Stack/Re-stack
11:28	11:34	0.53	0.93	-430	+1828	18.9	19.9	19.9	181	15	Post-Observing

Problem Reports
PR Number	Times	Time Lost	Description	Response
6554	06:07-06:47	00:40	HPFACQ not updating images	It seemed like the HPFACQ camera was basically down for the night. We did not use it for the rest of the night. This probably needs attention during the day today.
6705	06:22-06:25	00:03	Pas crashes with no error message; provides backtrace & memory map

Ops Comments	none

TO Comments	Cloudy early in 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	UNe Slave Cal	00:04	426			HPF	cal							Yes
virus0000001_01	flat_ldls_long	00:06	15			VIRUS	cal							Yes
virus0000001_02	flat_ldls_long	00:07	15			VIRUS	cal							Yes
virus0000001_03	flat_ldls_long	00:08	15			VIRUS	cal							Yes
virus0000002_01	Cd-A	00:10	15			VIRUS	cal							Yes
virus0000002_02	Cd-A	00:11	15			VIRUS	cal							Yes
0002	UNe Slave Cal	00:12	426			HPF	cal							Yes
virus0000002_03	Cd-A	00:13	15			VIRUS	cal							Yes
virus0000003_01	Hg	00:14	15			VIRUS	cal							Yes
virus0000003_02	Hg	00:15	15			VIRUS	cal							Yes
virus0000003_03	Hg	00:17	15			VIRUS	cal							Yes
lrs20000001_01	bias	00:19	0			LRS2	cal							Yes
virus0000004_01	bias	00:19	0			VIRUS	cal							Yes
lrs20000001_02	bias	00:19	0			LRS2	cal							Yes
virus0000004_02	bias	00:19	0			VIRUS	cal							Yes
lrs20000001_03	bias	00:20	0			LRS2	cal							Yes
virus0000004_03	bias	00:20	0			VIRUS	cal							Yes
lrs20000001_04	bias	00:21	0			LRS2	cal							Yes
virus0000004_04	bias	00:21	0			VIRUS	cal							Yes
lrs20000001_05	bias	00:22	0			LRS2	cal							Yes
virus0000004_05	bias	00:22	0			VIRUS	cal							Yes
lrs20000001_06	bias	00:23	0			LRS2	cal							Yes
virus0000004_06	bias	00:23	0			VIRUS	cal							Yes
lrs20000001_07	bias	00:24	0			LRS2	cal							Yes
lrs20000001_08	bias	00:24	0			LRS2	cal							Yes
virus0000004_07	bias	00:24	0			VIRUS	cal							Yes
virus0000004_08	bias	00:25	0			VIRUS	cal							Yes
lrs20000001_09	bias	00:25	0			LRS2	cal							Yes
virus0000004_09	bias	00:26	0			VIRUS	cal							Yes
lrs20000001_10	bias	00:26	0			LRS2	cal							Yes
virus0000004_10	bias	00:26	0			VIRUS	cal							Yes
lrs20000001_11	bias	00:27	0			LRS2	cal							Yes
virus0000004_11	bias	00:27	0			VIRUS	cal							Yes
lrs20000002_01	dark	00:28	360			LRS2	cal							Yes
virus0000005_01	dark	00:28	360			VIRUS	cal							Yes
lrs20000002_02	dark	00:35	360			LRS2	cal							Yes
virus0000005_02	dark	00:35	360			VIRUS	cal							Yes
lrs20000002_03	dark	00:42	360			LRS2	cal							Yes
virus0000005_03	dark	00:42	360			VIRUS	cal							Yes
0003	LFC Cal	01:55	106.5			HPF	cal							Yes
0004	LFC Cal	01:58	106.5			HPF	cal							Yes
0005	LFC Cal	02:00	106.5			HPF	cal							Yes
0006	LFC Cal	04:37	106.5			HPF	cal							Yes
0007	LFC Cal	04:39	106.5			HPF	cal							Yes
lrs20000003_01	FeAr_long_R	04:40	65		ENG26-3-002	LRS2	cal							Yes
0008	LFC Cal	04:41	106.5			HPF	cal							Yes
lrs20000003_02	FeAr_long_R	04:42	65		ENG26-3-002	LRS2	cal							Yes
lrs20000003_03	FeAr_long_R	04:44	65		ENG26-3-002	LRS2	cal							Yes
lrs20000003_04	FeAr_long_R	04:46	65		ENG26-3-002	LRS2	cal							Yes
lrs20000004_01	FeAr_long_B	04:50	150		ENG26-3-002	LRS2	cal							Yes
lrs20000004_02	FeAr_long_B	04:54	150		ENG26-3-002	LRS2	cal							Yes
lrs20000004_03	FeAr_long_B	04:57	150		ENG26-3-002	LRS2	cal							Yes
lrs20000004_04	FeAr_long_B	05:01	150		ENG26-3-002	LRS2	cal							Yes
0009	LFC Cal	07:25	106.5			HPF	cal							Yes
lrs20000005_01	parallel	07:25	360			LRS2	sci							Yes
virus0000006_01	QID 844	07:25	360	4.0	UT26-3-014	VIRUS	sci	1.92		21.77	0.80			Yes
0010	LFC Cal	07:28	106.5			HPF	cal							Yes
lrs20000005_02	parallel	07:33	360			LRS2	sci							Yes
virus0000006_02	QID 844	07:33	360	2.0	UT26-3-014	VIRUS	sci	1.75		21.76	0.82			Yes
lrs20000005_03	parallel	07:40	360			LRS2	sci							Yes
virus0000006_03	QID 844	07:40	360	1.0	UT26-3-014	VIRUS	sci	1.85		21.78	0.82			Yes
0011	LFC Cal	07:51	106.5			HPF	cal							Yes
lrs20000006_01	parallel	07:51	360			LRS2	sci							Yes
virus0000007_01	QID 825	07:51	360	5.0	UT26-3-014	VIRUS	sci	1.94		21.83	0.81			Yes
0012	LFC Cal	07:54	106.5			HPF	cal							Yes
lrs20000006_02	parallel	07:58	360			LRS2	sci							Yes
virus0000007_02	QID 825	07:58	360	1.0	UT26-3-014	VIRUS	sci	2.27		21.81	0.79			Yes
lrs20000006_03	parallel	08:05	360			LRS2	sci							Yes
virus0000007_03	QID 825	08:06	360	2.0	UT26-3-014	VIRUS	sci	1.85		21.76	0.86			Yes
0013	LFC Cal	08:16	106.5			HPF	cal							Yes
lrs20000007_01	parallel	08:16	360			LRS2	sci							Yes
virus0000008_01	QID 847	08:16	360	4.0	UT26-3-014	VIRUS	sci	2.07		21.83	0.81			Yes
0014	LFC Cal	08:19	106.5			HPF	cal							Yes
lrs20000007_02	parallel	08:23	360			LRS2	sci							Yes
virus0000008_02	QID 847	08:23	360	1.0	UT26-3-014	VIRUS	sci	1.81		21.79	0.82			Yes
lrs20000007_03	parallel	08:31	360			LRS2	sci							Yes
virus0000008_03	QID 847	08:31	360	2.0	UT26-3-014	VIRUS	sci	1.76		21.74	0.87			Yes
lrs20000008_01	parallel	09:09	360			LRS2	sci							Yes
virus0000009_01	QID 415	09:09	360	4.0	PSU26-3-011	VIRUS	sci	1.55		21.81	0.78			Yes
0015	LFC Cal	09:10	106.5			HPF	cal							Yes
0016	LFC Cal	09:12	106.5			HPF	cal							Yes
lrs20000008_02	parallel	09:17	360			LRS2	sci							Yes
virus0000009_02	QID 415	09:17	360	2.0	PSU26-3-011	VIRUS	sci	1.68		21.81	0.77			Yes
lrs20000008_03	parallel	09:24	360			LRS2	sci							Yes
virus0000009_03	QID 415	09:24	360	1.0	PSU26-3-011	VIRUS	sci	1.68		21.80	0.77			Yes
lrs20000009_01	parallel	09:35	360			LRS2	sci							Yes
virus0000010_01	QID 827	09:35	360	5.0	UT26-3-014	VIRUS	sci	1.89		21.87	0.83			Yes
0017	LFC Cal	09:36	106.5			HPF	cal							Yes
0018	LFC Cal	09:38	106.5			HPF	cal							Yes
lrs20000009_02	parallel	09:43	360			LRS2	sci							Yes
virus0000010_02	QID 827	09:43	360	2.0	UT26-3-014	VIRUS	sci	1.69		21.84	0.83			Yes
lrs20000009_03	parallel	09:50	360			LRS2	sci							Yes
virus0000010_03	QID 827	09:50	360	1.0	UT26-3-014	VIRUS	sci	1.72		21.77	0.88			Yes
lrs20000010_01	parallel	10:02	360			LRS2	sci							Yes
virus0000011_01	QID 835	10:02	360	6.0	UT26-3-014	VIRUS	sci	1.72		21.69	0.78			Yes
0019	LFC Cal	10:03	106.5			HPF	cal							Yes
0020	LFC Cal	10:05	106.5			HPF	cal							Yes
lrs20000010_02	parallel	10:10	360			LRS2	sci							Yes
virus0000011_02	QID 835	10:10	360	2.0	UT26-3-014	VIRUS	sci	1.67		21.67	0.79			Yes
lrs20000010_03	parallel	10:17	360			LRS2	sci							Yes
virus0000011_03	QID 835	10:17	360	1.0	UT26-3-014	VIRUS	sci	1.60		21.64	0.81			Yes
0021	LFC Cal	10:28	106.5			HPF	cal							Yes
lrs20000011_01	parallel	10:28	360			LRS2	sci							Yes
virus0000012_01	QID 852	10:28	360	5.0	UT26-3-014	VIRUS	sci	1.58		21.80	0.65			Yes
0022	LFC Cal	10:30	106.5			HPF	cal							Yes
lrs20000011_02	parallel	10:35	360			LRS2	sci							Yes
virus0000012_02	QID 852	10:35	360	1.0	UT26-3-014	VIRUS	sci	1.63		21.67	0.73			Yes
lrs20000011_03	parallel	10:42	360			LRS2	sci							Yes
virus0000012_03	QID 852	10:42	360	1.0	UT26-3-014	VIRUS	sci	1.58		21.63	0.80			Yes
0023	QID 788	10:53	617.7	4.7	UT26-3-001	HPF	sci	1.71		20.15	0.68	55		P4
virus0000013_01	parallel	10:53	1945.7			VIRUS	sci							Yes
0024	QID 788	11:04	617.7	1.7	UT26-3-001	HPF	sci	1.75		19.90	0.70	59		P4
0025	QID 788	11:15	617.7	0.7	UT26-3-001	HPF	sci	1.68		18.85	0.72	60		P4
lrs20000012_01	bias	11:28	0			LRS2	cal							Yes
virus0000014_01	bias	11:28	0			VIRUS	cal							Yes
virus0000015_01	Cd-A	11:29	15		ENG26-3-002	VIRUS	cal							Yes
virus0000016_01	Hg	11:31	15		ENG26-3-002	VIRUS	cal							Yes
virus0000017_01	skyflat	11:52	25			VIRUS	cal							Yes
virus0000018_01	skyflat	11:53	18			VIRUS	cal							Yes
virus0000019_01	skyflat	11:55	15			VIRUS	cal							Yes
0026	Dark	11:59	319.5			HPF	cal							Yes
0027	Quartz FCU	12:11	74.5			HPF	cal							Yes
0028	Quartz FCU	12:13	74.5			HPF	cal							Yes
0029	Quartz FCU	12:15	74.5			HPF	cal							Yes
0030	Quartz FCU	12:16	74.5			HPF	cal							Yes
0031	Quartz FCU	12:18	74.5			HPF	cal							Yes
0032	Quartz FCU	12:20	74.5			HPF	cal							Yes
0033	Quartz FCU	12:22	74.5			HPF	cal							Yes
0034	Alpha Bright Cal	12:24	85.2			HPF	cal							Yes
0035	Alpha Bright Cal	12:26	85.2			HPF	cal							Yes
0036	Alpha Bright Cal	12:28	85.2			HPF	cal							Yes
0037	Alpha Bright Cal	12:30	85.2			HPF	cal							Yes
0038	LFC FCU	12:32	106.5			HPF	cal							Yes
0039	LFC FCU	12:35	106.5			HPF	cal							Yes
0040	LFC FCU	12:37	106.5			HPF	cal							Yes
0041	LFC FCU	12:39	106.5			HPF	cal							Yes
0042	LFC FCU	12:42	106.5			HPF	cal							Yes
0043	LFC FCU	12:44	106.5			HPF	cal							Yes
0044	LFC Cal	12:47	106.5			HPF	cal							Yes
0045	LFC Cal	12:49	106.5			HPF	cal							Yes
0046	Etalon Cal	12:57	159.8			HPF	cal							Yes
0047	Etalon Cal	13:00	159.8			HPF	cal							Yes
0048	Etalon Cal	13:03	159.8			HPF	cal							Yes
0049	Etalon Cal	13:07	159.8			HPF	cal							Yes
0050	UNe Slave Cal	13:10	426			HPF	cal							Yes
0051	UNe Slave Cal	13:18	426			HPF	cal							Yes
0052	UNe Slave Cal	13:26	426			HPF	cal							Yes
0053	UNe Slave Cal	13:33	426			HPF	cal							Yes
0054	UNe Slave Cal	13:41	426			HPF	cal							Yes
0055	UNe Slave Cal	13:49	426			HPF	cal							Yes
0140	LFC Cal	22:08	106.5			HPF	cal							Yes
lrs20009900_01	bias	22:34	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	22:35	20			VIRUS	cal							Yes
virus0009901_01	bias	22:36	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	22:37	20			LRS2	cal							Yes
virus0009902_01	dark	22:38	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:39	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:41	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:42	15			LRS2	cal							Yes
0141	Dark	22:51	319.5			HPF	cal							Yes
0142	Quartz FCU	22:58	74.5			HPF	cal							Yes
0143	Quartz FCU	22:59	74.5			HPF	cal							Yes
0144	Quartz FCU	23:01	74.5			HPF	cal							Yes
0145	Quartz FCU	23:03	74.5			HPF	cal							Yes
0146	Quartz FCU	23:05	74.5			HPF	cal							Yes
0147	Quartz FCU	23:06	74.5			HPF	cal							Yes
0148	Quartz FCU	23:08	74.5			HPF	cal							Yes
0149	Alpha Bright Cal	23:10	85.2			HPF	cal							Yes
0150	Alpha Bright Cal	23:13	85.2			HPF	cal							Yes
0151	Alpha Bright Cal	23:15	85.2			HPF	cal							Yes
0152	Alpha Bright Cal	23:17	85.2			HPF	cal							Yes
0153	LFC FCU	23:19	106.5			HPF	cal							Yes
0154	LFC FCU	23:21	106.5			HPF	cal							Yes
0155	LFC Cal	23:24	106.5			HPF	cal							Yes
0156	LFC Cal	23:27	106.5			HPF	cal							Yes
0157	Etalon Cal	23:29	159.8			HPF	cal							Yes
0158	UNe Slave Cal	23:33	426			HPF	cal							Yes
lrs20000023_01	flat_Qth_R	23:34	15			LRS2	cal							Yes
lrs20000023_02	flat_Qth_R	23:35	15			LRS2	cal							Yes
lrs20000023_03	flat_Qth_R	23:37	15			LRS2	cal							Yes
lrs20000023_04	flat_Qth_R	23:38	15			LRS2	cal							Yes
lrs20000023_05	flat_Qth_R	23:39	15			LRS2	cal							Yes
lrs20000024_01	flat_ldls_long_B	23:40	20			LRS2	cal							Yes
0159	UNe Slave Cal	23:41	426			HPF	cal							Yes
lrs20000024_02	flat_ldls_long_B	23:42	20			LRS2	cal							Yes
lrs20000024_03	flat_ldls_long_B	23:43	20			LRS2	cal							Yes
lrs20000025_01	Cd-A_B	23:44	29			LRS2	cal							Yes
lrs20000025_02	Cd-A_B	23:46	29			LRS2	cal							Yes
lrs20000025_03	Cd-A_B	23:47	29			LRS2	cal							Yes
0160	UNe Slave Cal	23:48	426			HPF	cal							Yes
lrs20000026_01	FeAr_R	23:49	15			LRS2	cal							Yes
lrs20000026_02	FeAr_R	23:50	15			LRS2	cal							Yes
lrs20000026_03	FeAr_R	23:51	15			LRS2	cal							Yes
lrs20000027_01	Hg_R	23:53	20			LRS2	cal							Yes
lrs20000027_02	Hg_R	23:54	20			LRS2	cal							Yes
lrs20000027_03	Hg_R	23:55	20			LRS2	cal							Yes
0161	UNe Slave Cal	23:56	426			HPF	cal							Yes
lrs20000028_01	Hg_B	23:57	15			LRS2	cal							Yes
lrs20000028_02	Hg_B	23:58	15			LRS2	cal							Yes
lrs20000028_03	Hg_B	23:59	15			LRS2	cal							Yes

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