HET Night Report Reader

Civil Date	Ephemerides
2026-08-02	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:57	02:46	03:19	10:45	11:17	12:08	04:13	-
Night Length	7:26		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator	OPS Engineer	Day Ops
Tyler Ryburn	Cassie Crowe	-	-

Overlaps		none

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
01:54	24.3	22.3	11:20	twilight	09:26
Total Time Open					9:26

Program	Night Priority	Science
03:19	Science
04:47	Engineering (hpf)
05:26	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
02:26	02:58	0.41	0.63	-410	+48741	23.5	23.9	23.4	95	14	First of Night
07:53	08:01	0.72	1.06	-480	+865	20.4	21.1	21.1	164	10	Post-Observing
08:01	08:30	0.39	0.61	-400	+933	20.5	20.8	20.9	176	11	Stack/Re-stack
11:11	11:17	0.56	0.79	-320	+1310	18.9	19.4	19.5	186	12	Post-Observing

Problem Reports
PR Number	Times	Time Lost	Description	Response
6698	06:45-06:56, 10:25-10:32	00:18	HPF Unable to Activate Disabled Metrology Data

Ops Comments	none

TO Comments	Clear all night.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
lrs20009900_01	bias	00:03	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	00:04	20			VIRUS	cal							Yes
virus0009901_01	bias	00:05	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	00:06	20			LRS2	cal							Yes
virus0009902_01	dark	00:07	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	00:08	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	00:10	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	00:11	15			LRS2	cal							Yes
0001	Dark	00:13	319.5			HPF	cal							Yes
0002	Quartz FCU	00:20	74.5			HPF	cal							Yes
0003	Quartz FCU	00:22	74.5			HPF	cal							Yes
0004	Quartz FCU	00:23	74.5			HPF	cal							Yes
0005	Quartz FCU	00:25	74.5			HPF	cal							Yes
0006	Quartz FCU	00:27	74.5			HPF	cal							Yes
0007	Quartz FCU	00:29	74.5			HPF	cal							Yes
0008	Quartz FCU	00:31	74.5			HPF	cal							Yes
0009	Alpha Bright Cal	00:33	85.2			HPF	cal							Yes
0010	Alpha Bright Cal	00:35	85.2			HPF	cal							Yes
0011	Alpha Bright Cal	00:37	85.2			HPF	cal							Yes
0012	Alpha Bright Cal	00:39	85.2			HPF	cal							Yes
0013	LFC FCU	00:41	106.5			HPF	cal							Yes
0014	LFC FCU	00:44	106.5			HPF	cal							Yes
0015	LFC Cal	00:47	106.5			HPF	cal							Yes
0016	LFC Cal	00:49	106.5			HPF	cal							Yes
0017	Etalon Cal	00:52	159.8			HPF	cal							Yes
0018	UNe Slave Cal	00:55	426			HPF	cal							Yes
virus0000001_01	flat_ldls_long	01:02	15			VIRUS	cal							Yes
0019	UNe Slave Cal	01:03	426			HPF	cal							Yes
virus0000001_02	flat_ldls_long	01:03	15			VIRUS	cal							Yes
virus0000001_03	flat_ldls_long	01:05	15			VIRUS	cal							Yes
virus0000002_01	Cd-A	01:06	15			VIRUS	cal							Yes
virus0000002_02	Cd-A	01:07	15			VIRUS	cal							Yes
virus0000002_03	Cd-A	01:09	15			VIRUS	cal							Yes
virus0000003_01	Hg	01:10	15			VIRUS	cal							Yes
0020	UNe Slave Cal	01:11	426			HPF	cal							Yes
virus0000003_02	Hg	01:12	15			VIRUS	cal							Yes
virus0000003_03	Hg	01:13	15			VIRUS	cal							Yes
lrs20000001_01	bias	01:14	0			LRS2	cal							Yes
virus0000004_01	bias	01:15	0			VIRUS	cal							Yes
lrs20000001_02	bias	01:15	0			LRS2	cal							Yes
virus0000004_02	bias	01:15	0			VIRUS	cal							Yes
lrs20000001_03	bias	01:16	0			LRS2	cal							Yes
virus0000004_03	bias	01:16	0			VIRUS	cal							Yes
lrs20000001_04	bias	01:17	0			LRS2	cal							Yes
virus0000004_04	bias	01:17	0			VIRUS	cal							Yes
lrs20000001_05	bias	01:18	0			LRS2	cal							Yes
lrs20000001_06	bias	01:18	0			LRS2	cal							Yes
virus0000004_05	bias	01:18	0			VIRUS	cal							Yes
0021	UNe Slave Cal	01:19	426			HPF	cal							Yes
lrs20000001_07	bias	01:19	0			LRS2	cal							Yes
virus0000004_06	bias	01:19	0			VIRUS	cal							Yes
lrs20000001_08	bias	01:20	0			LRS2	cal							Yes
virus0000004_07	bias	01:20	0			VIRUS	cal							Yes
virus0000004_08	bias	01:20	0			VIRUS	cal							Yes
lrs20000001_09	bias	01:21	0			LRS2	cal							Yes
virus0000004_09	bias	01:21	0			VIRUS	cal							Yes
lrs20000001_10	bias	01:22	0			LRS2	cal							Yes
virus0000004_10	bias	01:22	0			VIRUS	cal							Yes
lrs20000001_11	bias	01:23	0			LRS2	cal							Yes
virus0000004_11	bias	01:23	0			VIRUS	cal							Yes
lrs20000002_01	dark	01:24	360			LRS2	cal							Yes
virus0000005_01	dark	01:24	360			VIRUS	cal							Yes
0022	UNe Slave Cal	01:26	426			HPF	cal							Yes
lrs20000002_02	dark	01:30	360			LRS2	cal							Yes
virus0000005_02	dark	01:31	360			VIRUS	cal							Yes
0023	UNe Slave Cal	01:34	426			HPF	cal							Yes
lrs20000002_03	dark	01:37	360			LRS2	cal							Yes
virus0000005_03	dark	01:38	360			VIRUS	cal							Yes
lrs20000003_01	skyflat	02:02	7			LRS2	cal							Yes
lrs20000004_01	skyflat	02:03	10			LRS2	cal							Yes
lrs20000005_01	skyflat	02:05	13			LRS2	cal							Yes
lrs20000006_01	skyflat	02:06	16			LRS2	cal							Yes
lrs20000007_01	skyflat	02:07	22			LRS2	cal							Yes
lrs20000008_01	skyflat	02:08	30			LRS2	cal							Yes
virus0000006_01	skyflat	02:12	7			VIRUS	cal							Yes
virus0000007_01	skyflat	02:13	10			VIRUS	cal							Yes
virus0000008_01	skyflat	02:14	14			VIRUS	cal							Yes
virus0000009_01	skyflat	02:16	18			VIRUS	cal							Yes
virus0000010_01	skyflat	02:17	26			VIRUS	cal							Yes
lrs20000009_01	flat_Qth_R	02:21	15			LRS2	cal							Yes
lrs20000009_02	flat_Qth_R	02:22	15			LRS2	cal							Yes
lrs20000009_03	flat_Qth_R	02:23	15			LRS2	cal							Yes
lrs20000009_04	flat_Qth_R	02:25	15			LRS2	cal							Yes
lrs20000009_05	flat_Qth_R	02:26	15			LRS2	cal							Yes
lrs20000010_01	flat_ldls_long_B	02:27	20			LRS2	cal							Yes
lrs20000010_02	flat_ldls_long_B	02:28	20			LRS2	cal							Yes
lrs20000010_03	flat_ldls_long_B	02:30	20			LRS2	cal							Yes
lrs20000011_01	Cd-A_B	02:31	29			LRS2	cal							Yes
lrs20000011_02	Cd-A_B	02:32	29			LRS2	cal							Yes
lrs20000011_03	Cd-A_B	02:34	29			LRS2	cal							Yes
lrs20000012_01	FeAr_R	02:35	15			LRS2	cal							Yes
lrs20000012_02	FeAr_R	02:37	15			LRS2	cal							Yes
lrs20000012_03	FeAr_R	02:38	15			LRS2	cal							Yes
lrs20000013_01	Hg_R	02:39	20			LRS2	cal							Yes
lrs20000013_02	Hg_R	02:40	20			LRS2	cal							Yes
lrs20000013_03	Hg_R	02:42	20			LRS2	cal							Yes
lrs20000014_01	Hg_B	02:43	15			LRS2	cal							Yes
lrs20000014_02	Hg_B	02:44	15			LRS2	cal							Yes
lrs20000014_03	Hg_B	02:46	15			LRS2	cal							Yes
lrs20000015_01	1802271_056_E	03:03	120	3.0		LRS2	spec	2.10		21.53	0.80			Yes
lrs20000016_01	1802271_066_E	03:08	120	3.0		LRS2	spec	1.85		21.19	0.89			Yes
0024	HR7390_tell_std	03:17	117.2	7.0		HPF	telluric	1.60		20.06	0.79			Yes
0025	QID 815	03:26	138.5	6.7	PSU26-3-012	HPF	sci	1.45		20.36	0.94	423		Yes
virus0000011_01	parallel	03:26	2699.3			VIRUS	sci							Yes
0026	QID 815	03:29	138.5	0.7	PSU26-3-012	HPF	sci	1.42		20.37	0.94	418		Yes
0027	QID 815	03:32	138.5	0.7	PSU26-3-012	HPF	sci	1.53	0.95	20.34	0.94	403		Yes
0028	QID 815	03:35	138.5	0.7	PSU26-3-012	HPF	sci	1.53	0.95	20.32	0.95	398		Yes
0029	QID 815	03:38	138.5	0.7	PSU26-3-012	HPF	sci	1.52	0.99	20.26	0.94	406		Yes
0030	QID 815	03:41	138.5	0.7	PSU26-3-012	HPF	sci	1.48	0.99	20.29	0.95	436		Yes
0031	QID 815	03:44	138.5	0.7	PSU26-3-012	HPF	sci	1.55	1.02	20.31	0.95	405		Yes
0032	QID 815	03:46	138.5	0.7	PSU26-3-012	HPF	sci	1.60	1.02	20.33	0.95	404		Yes
0033	QID 815	03:49	138.5	0.7	PSU26-3-012	HPF	sci	1.58	1.08	20.35	0.95	404		Yes
0034	QID 815	03:52	138.5	0.7	PSU26-3-012	HPF	sci	1.65	1.06	20.35	0.95	384		Yes
0035	QID 815	03:55	138.5	-0.3	PSU26-3-012	HPF	sci	1.57	1.06	20.35	0.95	408		Yes
0036	QID 815	03:58	138.5	0.7	PSU26-3-012	HPF	sci	1.51	1.07	20.30	0.95	418		Yes
0037	QID 815	04:01	138.5	0.7	PSU26-3-012	HPF	sci	1.56	1.02	20.28	0.95	407		Yes
0038	QID 815	04:04	138.5	0.7	PSU26-3-012	HPF	sci	1.52	0.92	20.24	0.95	422		Yes
0039	QID 815	04:07	138.5	0.7	PSU26-3-012	HPF	sci	1.59	1.01	20.17	0.95	395		Yes
0040	LFC Cal	04:10	106.5			HPF	cal							Yes
virus0000012_01	parallel	04:13	2000			VIRUS	sci							Yes
0041	QID 801	04:14	969.1	4.8	PSU26-3-012	HPF	sci	1.77	0.97	20.04	0.90	155		Yes
0042	QID 801	04:31	969.1	0.8	PSU26-3-012	HPF	sci	1.71	0.98	19.93	0.92	156		Yes
0043	LFC Cal	04:49	106.5			HPF	cal							Yes
0044	GJ_1214	04:53	969.1	5.8	ENG26-3-000	HPF	eng	1.59	0.91	19.88	0.94	152		Yes
virus0000013_01	parallel	04:53	2000			VIRUS	eng							Yes
0045	GJ_1214	05:10	969.1	0.8	ENG26-3-000	HPF	eng	1.51	0.94	19.62	0.94	138		Yes
0046	LFC Cal	05:28	106.5			HPF	cal							Yes
virus0000014_01	parallel	05:32	500			VIRUS	sci							Yes
0047	LFC Cal	05:33	106.5			HPF	cal							Yes
lrs20000017_01	QID 222	05:33	500	6.7	PSU26-3-003	LRS2-B	sci	1.64	0.93	19.78	0.83			Yes
0048	LFC Cal	05:35	106.5			HPF	cal							Yes
0049	LFC Cal	05:37	106.5			HPF	cal							Yes
virus0000015_01	parallel	05:47	3503.5			VIRUS	sci							Yes
0050	QID 772	05:48	308.9	6.9	UT26-3-001	HPF	sci	1.47	0.94	18.95	0.67	90		Yes
0051	QID 772	05:53	308.9	-0.1	UT26-3-001	HPF	sci	1.56	1.07	18.99	0.71	93		Yes
0052	QID 772	05:59	308.9	0.9	UT26-3-001	HPF	sci	1.60	1.03	19.08	0.72	101		Yes
0053	QID 772	06:05	308.9	0.9	UT26-3-001	HPF	sci	1.70	0.96	19.15	0.74	103		Yes
0054	QID 772	06:11	308.9	0.9	UT26-3-001	HPF	sci	1.76	1.00	19.19	0.76	107		Yes
0055	QID 772	06:16	308.9	0.9	UT26-3-001	HPF	sci	1.71	1.11	19.23	0.77	109		Yes
0056	QID 772	06:22	308.9	-0.1	UT26-3-001	HPF	sci	1.72	0.99	19.23	0.77	105		Yes
0057	QID 772	06:28	308.9	0.9	UT26-3-001	HPF	sci	1.72	1.04	19.21	0.78	97		Yes
0058	QID 772	06:34	308.9	0.9	UT26-3-001	HPF	sci	1.68	0.99	19.14	0.80	94		Yes
0059	QID 772	06:40	308.9	0.9	UT26-3-001	HPF	sci	1.71	0.97	19.08	0.83	89		Yes
virus0000016_01	parallel	06:59	723.1			VIRUS	sci							Yes
0060	QID 88	07:00	681.6	3.6	UT26-3-004	HPF	sci	1.47	1.06	18.84	0.83	217		Yes
0061	QID 803	07:18	969.1	6.8	PSU26-3-012	HPF	sci	1.63	0.91	19.83	0.90	105		Yes
virus0000017_01	parallel	07:18	2000			VIRUS	sci							Yes
0062	QID 803	07:35	969.1	1.8	PSU26-3-012	HPF	sci	1.72	1.01	19.69	0.86	94		Yes
0063	LFC Cal	07:53	106.5			HPF	cal							Yes
virus0000018_01	parallel	08:35	2000			VIRUS	sci							Yes
0064	QID 805	08:36	969.1	5.8	PSU26-3-012	HPF	sci	1.92	1.51	18.01	0.78	151		Yes
0065	QID 805	08:53	969.1	0.8	PSU26-3-012	HPF	sci	2.04	1.78	18.04	0.77	142		Yes
0066	LFC Cal	09:11	106.5			HPF	cal							Yes
0067	QID 92	09:16	607.1	6.9	UT26-3-004	HPF	sci	1.79	1.94	18.62	0.95	188		Yes
virus0000019_01	parallel	09:16	648.5			VIRUS	sci							Yes
0068	QID 91	09:34	671	8.8	UT26-3-004	HPF	sci	1.66	1.35	18.65	0.84	222		Yes
virus0000020_01	parallel	09:34	712.5			VIRUS	sci							Yes
0069	LFC Cal	09:47	106.5			HPF	cal							Yes
0070	QID 226	09:52	915.9	5.7	G26-3-002	HPF	sci	1.46	1.22	18.74	0.95	115		Yes
virus0000021_01	parallel	09:52	1914.8			VIRUS	sci							Yes
0071	QID 226	10:08	915.9	1.7	G26-3-002	HPF	sci	1.45	0.96	18.78	0.97	118		Yes
0072	LFC Cal	10:25	106.5			HPF	cal							Yes
virus0000022_01	parallel	10:35	2041.5			VIRUS	sci							Yes
0073	QID 784	10:36	649.6	7.2	UT26-3-008	HPF	sci	1.33	1.08	18.91		375	Transparency likely 0.8 - 0.9	Yes
0074	QID 784	10:47	649.6	0.2	UT26-3-008	HPF	sci	1.43	1.02	19.00		397		Yes
0075	QID 784	10:59	649.6	1.2	UT26-3-008	HPF	sci	1.46	1.11	18.86		373		Yes
0076	LFC Cal	11:11	106.5			HPF	cal							Yes
lrs20000018_01	bias	11:14	0			LRS2	cal							Yes
virus0000023_01	bias	11:15	0			VIRUS	cal							Yes
virus0000024_01	Cd-A	11:19	15		ENG26-3-002	VIRUS	cal							Yes
virus0000025_01	Hg	11:21	15		ENG26-3-002	VIRUS	cal							Yes
0077	Dark	11:37	319.5			HPF	cal							Yes
0078	Quartz FCU	11:49	74.5			HPF	cal							Yes
0079	Quartz FCU	11:51	74.5			HPF	cal							Yes
0080	Quartz FCU	11:53	74.5			HPF	cal							Yes
0081	Quartz FCU	11:54	74.5			HPF	cal							Yes
0082	Quartz FCU	11:56	74.5			HPF	cal							Yes
0083	Quartz FCU	11:58	74.5			HPF	cal							Yes
0084	Quartz FCU	12:00	74.5			HPF	cal							Yes
0085	Alpha Bright Cal	12:02	85.2			HPF	cal							Yes
0086	Alpha Bright Cal	12:04	85.2			HPF	cal							Yes
0087	Alpha Bright Cal	12:06	85.2			HPF	cal							Yes
0088	Alpha Bright Cal	12:08	85.2			HPF	cal							Yes
0089	LFC FCU	12:10	106.5			HPF	cal							Yes
0090	LFC FCU	12:13	106.5			HPF	cal							Yes
0091	LFC FCU	12:15	106.5			HPF	cal							Yes
0092	LFC FCU	12:17	106.5			HPF	cal							Yes
0093	LFC FCU	12:20	106.5			HPF	cal							Yes
0094	LFC FCU	12:22	106.5			HPF	cal							Yes
0095	LFC Cal	12:25	106.5			HPF	cal							Yes
0096	LFC Cal	12:27	106.5			HPF	cal							Yes
0097	Etalon Cal	12:35	159.8			HPF	cal							Yes
0098	Etalon Cal	12:38	159.8			HPF	cal							Yes
0099	Etalon Cal	12:41	159.8			HPF	cal							Yes
0100	Etalon Cal	12:45	159.8			HPF	cal							Yes
0101	UNe Slave Cal	12:48	426			HPF	cal							Yes
0102	UNe Slave Cal	12:56	426			HPF	cal							Yes
0103	UNe Slave Cal	13:04	426			HPF	cal							Yes
0104	UNe Slave Cal	13:12	426			HPF	cal							Yes
0105	UNe Slave Cal	13:19	426			HPF	cal							Yes
0106	UNe Slave Cal	13:27	426			HPF	cal							Yes
0093	LFC Cal	23:53	106.5			HPF	cal							Yes

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