HET Night Report Reader

Civil Date	Ephemerides
2026-08-03	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:56	02:45	03:18	10:46	11:18	12:09	04:43	-
Night Length	7:28		Sunset Temperature

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

Overlaps
TO Overlap	RA Overlap
-	Zach Vanderbosch

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
01:50	25.2	24.7	11:07	twilight	09:17
Total Time Open					9:17

Program	Night Priority	Science
03:18	Science
05:12	Engineering (hpf)
05:57	Idle due to weather (IQ degraded)
06:39	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	03:00	0.41	0.63	-380	-1199	23.7	24.2	24.4	144	8	First of Night
06:40	07:16	0.41	0.64	-420	+527	21.1	21.6	21.6	185	13	Stack/Re-stack
11:01	11:04	0.50	0.76	-410	+903	19.7	20.2	20.3	189	14	Post-Observing

Problem Reports					no PRs

Ops Comments	none

TO Comments	Clear all night. No repeats of PR# 6698 tonight after PFIPCntrlr power cycle.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
virus0000030_01	dark	00:00	360			VIRUS	cal							Yes
lrs20000026_02	dark	00:06	360			LRS2	cal							Yes
virus0000030_02	dark	00:07	360			VIRUS	cal							Yes
lrs20000026_03	dark	00:13	360			LRS2	cal							Yes
virus0000030_03	dark	00:14	360			VIRUS	cal							Yes
0001	twilight	01:53	298.2			HPF	cal					378		Yes
lrs20000001_01	skyflat	02:01	7			LRS2	cal							Yes
lrs20000002_01	skyflat	02:02	10			LRS2	cal							Yes
lrs20000003_01	skyflat	02:04	13			LRS2	cal							Yes
lrs20000004_01	skyflat	02:05	16			LRS2	cal							Yes
lrs20000005_01	skyflat	02:06	22			LRS2	cal							Yes
lrs20000006_01	skyflat	02:07	30			LRS2	cal							Yes
virus0000001_01	parallel	03:05	1500			VIRUS	sci							Yes
lrs20000007_01	QID 8	03:05	1500	5.0	PSU26-3-007	LRS2-B	sci	1.73	1.11	22.06	0.94			Yes
0002	LFC Cal	03:06	106.5			HPF	cal							Yes
0003	LFC Cal	03:08	106.5			HPF	cal							Yes
0004	LFC Cal	03:10	106.5			HPF	cal							Yes
lrs20000008_01	1812095_056_E	03:37	120	7.0		LRS2	spec	1.66	1.19	22.30	0.85			Yes
lrs20000009_01	1812095_066_E	03:41	120	2.0		LRS2	spec	1.62	1.16	21.14	1.06			Yes
0005	HR7769_tell_std	03:50	117.2	7.0		HPF	telluric	1.48	1.14	20.35	0.79			Yes
0006	LFC Cal	03:58	106.5			HPF	cal							Yes
virus0000002_01	parallel	03:58	900			VIRUS	sci							Yes
lrs20000010_01	QID 16	03:58	900	6.0	PSU26-3-007	LRS2-R	sci	1.76	1.20	21.15	1.04			Yes
0007	LFC Cal	04:00	106.5			HPF	cal							Yes
0008	LFC Cal	04:03	106.5			HPF	cal							Yes
virus0000003_01	parallel	04:18	1401.4			VIRUS	sci							Yes
0009	QID 773	04:19	308.9	5.9	UT26-3-001	HPF	sci	1.94	1.50	20.68	0.86	101		Yes
0010	QID 773	04:25	308.9	0.9	UT26-3-001	HPF	sci	2.12	1.45	20.59	0.85	98		Yes
0011	QID 773	04:30	308.9	0.9	UT26-3-001	HPF	sci	2.25	1.45	20.53	0.87	101		Yes
0012	QID 773	04:36	308.9	-0.1	UT26-3-001	HPF	sci	2.23	2.18	20.50	0.88	104		Yes
virus0000004_01	parallel	04:46	1500			VIRUS	sci							Yes
0013	LFC Cal	04:47	106.5			HPF	cal							Yes
lrs20000011_01	QID 10	04:47	1500	6.0	PSU26-3-007	LRS2-B	sci	2.02	1.51	20.94	0.94			Yes
0014	LFC Cal	04:49	106.5			HPF	cal							Yes
0015	LFC Cal	04:51	106.5			HPF	cal							Yes
0016	GJ_699	05:18	202.3	5.6	ENG26-3-000	HPF	eng	1.63	1.43	20.08	1.00	439		Yes
virus0000005_01	parallel	05:18	2438.5			VIRUS	eng							Yes
0017	GJ_699	05:22	202.3	0.6	ENG26-3-000	HPF	eng	1.67	1.21	20.12	0.97	434		Yes
0018	GJ_699	05:26	202.3	0.6	ENG26-3-000	HPF	eng	1.81	1.28	20.13	0.97	448		Yes
0019	GJ_699	05:30	202.3	0.6	ENG26-3-000	HPF	eng	1.87	1.30	20.15	0.98	446		Yes
0020	GJ_699	05:34	202.3	0.6	ENG26-3-000	HPF	eng	2.05	1.16	20.12	0.98	447		Yes
0021	GJ_699	05:38	202.3	0.6	ENG26-3-000	HPF	eng	2.23	1.65	20.09	0.98	433		Yes
0022	GJ_699	05:42	202.3	0.6	ENG26-3-000	HPF	eng	2.40	2.20	20.07	0.97	405		Yes
0023	GJ_699	05:46	202.3	0.6	ENG26-3-000	HPF	eng	2.55	1.86	20.05	0.96	368		Yes
0024	GJ_699	05:50	202.3	0.6	ENG26-3-000	HPF	eng	2.67	1.94	19.95	0.91	325		Yes
0025	GJ_699	05:54	202.3	0.6	ENG26-3-000	HPF	eng	2.22	1.79	19.91	0.88	355		Yes
0026	LFC Cal	05:59	106.5			HPF	cal							Yes
virus0000006_01	parallel	06:04	2102.1			VIRUS	sci							Yes
0027	QID 857	06:05	308.9	7.9	UT26-3-001	HPF	sci	2.43	1.51	19.70	0.78	81	image quality degraded	No
0028	QID 857	06:11	308.9	0.9	UT26-3-001	HPF	sci	2.57	1.82	19.71	0.80	81		No
0029	QID 857	06:17	308.9	0.9	UT26-3-001	HPF	sci	2.81	2.36	19.67	0.80	73		No
0030	QID 857	06:22	308.9	-0.1	UT26-3-001	HPF	sci	2.94	1.89	19.64	0.81	65		No
0031	QID 857	06:28	308.9	0.9	UT26-3-001	HPF	sci	2.74	1.79	19.59	0.83	70		No
0032	QID 857	06:34	308.9	0.9	UT26-3-001	HPF	sci	2.77	1.63	19.54	0.89	67		No
0033	QID 803	07:21	969.1	5.8	PSU26-3-012	HPF	sci	1.64	1.42	20.08	0.93	98		Yes
virus0000007_01	parallel	07:21	2000			VIRUS	sci							Yes
0034	QID 803	07:39	969.1	0.8	PSU26-3-012	HPF	sci	1.53	1.23	19.80	0.91	89		Yes
0035	LFC Cal	07:56	106.5			HPF	cal							Yes
virus0000008_01	parallel	08:00	1914.8			VIRUS	sci							Yes
0036	QID 230	08:01	915.9	5.7	G26-3-002	HPF	sci	1.61	1.29	19.49	0.94	72		Yes
0037	QID 230	08:17	915.9	0.7	G26-3-002	HPF	sci	1.83	1.92	19.45	0.84	57		Yes
0038	LFC Cal	08:34	106.5			HPF	cal							Yes
0039	QID 192	08:39	245	6.9	UT26-3-002	HPF	sci	1.76	1.54	19.88	0.98	548		Yes
virus0000009_01	parallel	08:39	1485.5			VIRUS	sci							Yes
0040	QID 192	08:44	245	0.9	UT26-3-002	HPF	sci	1.80	1.38	19.91	0.98	530		Yes
0041	QID 192	08:49	245	0.9	UT26-3-002	HPF	sci	1.86	1.47	19.93	0.97	537		Yes
0042	QID 192	08:53	245	0.9	UT26-3-002	HPF	sci	1.81	1.27	19.93	0.98	546		Yes
0043	QID 192	08:58	245	-0.1	UT26-3-002	HPF	sci	1.73	1.20	19.90	0.98	569		Yes
0044	QID 193	09:08	553.8	5.8	UT26-3-002	HPF	sci	1.55	1.17	19.74	0.94	631		Yes
virus0000010_01	parallel	09:08	595.3			VIRUS	sci							Yes
virus0000011_01	parallel	09:25	2000			VIRUS	sci							Yes
0045	QID 819	09:26	969.1	8.8	PSU26-3-012	HPF	sci	1.68	1.11	19.12	0.85	47		Yes
0046	QID 819	09:43	969.1	0.8	PSU26-3-012	HPF	sci	1.69	1.20	19.31	0.86	52		Yes
0047	LFC Cal	10:01	106.5			HPF	cal							Yes
virus0000012_01	parallel	10:06	691.1			VIRUS	sci							Yes
0048	QID 87	10:07	660.3	8.0	UT26-3-004	HPF	sci	1.72	1.03	19.41	0.88	234		Yes
virus0000013_01	parallel	10:23	2041.5			VIRUS	sci							Yes
0049	QID 807	10:24	649.6	5.2	PSU26-3-012	HPF	sci	1.57	1.18	18.71	0.96	288		Yes
0050	QID 807	10:35	649.6	1.2	PSU26-3-012	HPF	sci	1.78	1.59	18.87	0.87	296		Yes
0051	QID 807	10:47	649.6	1.2	PSU26-3-012	HPF	sci	1.78	1.35	18.88	0.89	330		Yes
0052	LFC Cal	10:59	106.5			HPF	cal							Yes
lrs20000012_01	bias	11:02	0			LRS2	cal							Yes
virus0000014_01	bias	11:03	0			VIRUS	cal							Yes
virus0000015_01	Cd-A	11:07	15		ENG26-3-002	VIRUS	cal							Yes
virus0000016_01	Hg	11:08	15		ENG26-3-002	VIRUS	cal							Yes
0053	Dark	11:16	319.5			HPF	cal							Yes
0054	Quartz FCU	11:28	74.5			HPF	cal							Yes
0055	Quartz FCU	11:30	74.5			HPF	cal							Yes
0056	Quartz FCU	11:31	74.5			HPF	cal							Yes
0057	Quartz FCU	11:33	74.5			HPF	cal							Yes
0058	Quartz FCU	11:35	74.5			HPF	cal							Yes
0059	Quartz FCU	11:37	74.5			HPF	cal							Yes
0060	Quartz FCU	11:38	74.5			HPF	cal							Yes
0061	Alpha Bright Cal	11:41	85.2			HPF	cal							Yes
0062	Alpha Bright Cal	11:43	85.2			HPF	cal							Yes
0063	Alpha Bright Cal	11:45	85.2			HPF	cal							Yes
0064	Alpha Bright Cal	11:47	85.2			HPF	cal							Yes
0065	LFC FCU	11:49	106.5			HPF	cal							Yes
0066	LFC FCU	11:52	106.5			HPF	cal							Yes
0067	LFC FCU	11:54	106.5			HPF	cal							Yes
0068	LFC FCU	11:56	106.5			HPF	cal							Yes
0069	LFC FCU	11:59	106.5			HPF	cal							Yes
0070	LFC FCU	12:01	106.5			HPF	cal							Yes
0071	LFC Cal	12:04	106.5			HPF	cal							Yes
0072	LFC Cal	12:06	106.5			HPF	cal							Yes
0073	Etalon Cal	12:14	159.8			HPF	cal							Yes
0074	Etalon Cal	12:17	159.8			HPF	cal							Yes
0075	Etalon Cal	12:21	159.8			HPF	cal							Yes
0076	Etalon Cal	12:24	159.8			HPF	cal							Yes
0077	UNe Slave Cal	12:27	426			HPF	cal							Yes
0078	UNe Slave Cal	12:35	426			HPF	cal							Yes
0079	UNe Slave Cal	12:43	426			HPF	cal							Yes
0080	UNe Slave Cal	12:51	426			HPF	cal							Yes
0081	UNe Slave Cal	12:58	426			HPF	cal							Yes
0082	UNe Slave Cal	13:06	426			HPF	cal							Yes
0107	LFC Cal	21:49	106.5			HPF	cal							Yes
lrs20009909_01	bias	22:03	0			LRS2	cal							Yes
virus0009907_01	flat_Qth	22:03	20			VIRUS	cal							Yes
virus0009908_01	bias	22:05	0			VIRUS	cal							Yes
lrs20009910_01	flat_ldls_long_B	22:05	20			LRS2	cal							Yes
virus0009909_01	dark	22:07	15			VIRUS	cal							Yes
lrs20009911_01	Cd-A_B	22:08	29			LRS2	cal							Yes
lrs20009912_01	FeAr_R	22:09	15			LRS2	cal							Yes
lrs20009913_01	Hg_B	22:10	15			LRS2	cal							Yes
0108	Dark	22:22	319.5			HPF	cal							Yes
0109	Quartz FCU	22:28	74.5			HPF	cal							Yes
0110	Quartz FCU	22:30	74.5			HPF	cal							Yes
0111	Quartz FCU	22:32	74.5			HPF	cal							Yes
0112	Quartz FCU	22:34	74.5			HPF	cal							Yes
0113	Quartz FCU	22:35	74.5			HPF	cal							Yes
0114	Quartz FCU	22:37	74.5			HPF	cal							Yes
0115	Quartz FCU	22:39	74.5			HPF	cal							Yes
0116	Alpha Bright Cal	22:41	85.2			HPF	cal							Yes
0117	Alpha Bright Cal	22:43	85.2			HPF	cal							Yes
0118	Alpha Bright Cal	22:45	85.2			HPF	cal							Yes
0119	Alpha Bright Cal	22:47	85.2			HPF	cal							Yes
0120	LFC FCU	22:50	106.5			HPF	cal							Yes
0121	LFC FCU	22:52	106.5			HPF	cal							Yes
0122	LFC Cal	22:55	106.5			HPF	cal							Yes
0123	LFC Cal	22:57	106.5			HPF	cal							Yes
0124	Etalon Cal	23:00	159.8			HPF	cal							Yes
0125	UNe Slave Cal	23:03	426			HPF	cal							Yes
lrs20000019_01	flat_Qth_R	23:06	15			LRS2	cal							Yes
lrs20000019_02	flat_Qth_R	23:07	15			LRS2	cal							Yes
lrs20000019_03	flat_Qth_R	23:09	15			LRS2	cal							Yes
lrs20000019_04	flat_Qth_R	23:10	15			LRS2	cal							Yes
0126	UNe Slave Cal	23:11	426			HPF	cal							Yes
lrs20000019_05	flat_Qth_R	23:11	15			LRS2	cal							Yes
lrs20000020_01	flat_ldls_long_B	23:12	20			LRS2	cal							Yes
lrs20000020_02	flat_ldls_long_B	23:14	20			LRS2	cal							Yes
lrs20000020_03	flat_ldls_long_B	23:15	20			LRS2	cal							Yes
lrs20000021_01	Cd-A_B	23:16	29			LRS2	cal							Yes
lrs20000021_02	Cd-A_B	23:18	29			LRS2	cal							Yes
0127	UNe Slave Cal	23:19	426			HPF	cal							Yes
lrs20000021_03	Cd-A_B	23:19	29			LRS2	cal							Yes
lrs20000022_01	FeAr_R	23:21	15			LRS2	cal							Yes
lrs20000022_02	FeAr_R	23:22	15			LRS2	cal							Yes
lrs20000022_03	FeAr_R	23:24	15			LRS2	cal							Yes
lrs20000023_01	Hg_R	23:25	20			LRS2	cal							Yes
lrs20000023_02	Hg_R	23:26	20			LRS2	cal							Yes
0128	UNe Slave Cal	23:27	426			HPF	cal							Yes
lrs20000023_03	Hg_R	23:28	20			LRS2	cal							Yes
lrs20000024_01	Hg_B	23:29	15			LRS2	cal							Yes
lrs20000024_02	Hg_B	23:30	15			LRS2	cal							Yes
lrs20000024_03	Hg_B	23:31	15			LRS2	cal							Yes
0129	UNe Slave Cal	23:34	426			HPF	cal							Yes
virus0000026_01	flat_ldls_long	23:38	15			VIRUS	cal							Yes
virus0000026_02	flat_ldls_long	23:39	15			VIRUS	cal							Yes
virus0000026_03	flat_ldls_long	23:41	15			VIRUS	cal							Yes
0130	UNe Slave Cal	23:42	426			HPF	cal							Yes
virus0000027_01	Cd-A	23:42	15			VIRUS	cal							Yes
virus0000027_02	Cd-A	23:43	15			VIRUS	cal							Yes
virus0000027_03	Cd-A	23:45	15			VIRUS	cal							Yes
virus0000028_01	Hg	23:46	15			VIRUS	cal							Yes
virus0000028_02	Hg	23:47	15			VIRUS	cal							Yes
virus0000028_03	Hg	23:49	15			VIRUS	cal							Yes
lrs20000025_01	bias	23:50	0			LRS2	cal							Yes
virus0000029_01	bias	23:50	0			VIRUS	cal							Yes
lrs20000025_02	bias	23:51	0			LRS2	cal							Yes
virus0000029_02	bias	23:51	0			VIRUS	cal							Yes
lrs20000025_03	bias	23:52	0			LRS2	cal							Yes
virus0000029_03	bias	23:52	0			VIRUS	cal							Yes
lrs20000025_04	bias	23:53	0			LRS2	cal							Yes
virus0000029_04	bias	23:53	0			VIRUS	cal							Yes
lrs20000025_05	bias	23:54	0			LRS2	cal							Yes
virus0000029_05	bias	23:54	0			VIRUS	cal							Yes
lrs20000025_06	bias	23:54	0			LRS2	cal							Yes
virus0000029_06	bias	23:55	0			VIRUS	cal							Yes
lrs20000025_07	bias	23:55	0			LRS2	cal							Yes
virus0000029_07	bias	23:56	0			VIRUS	cal							Yes
lrs20000025_08	bias	23:56	0			LRS2	cal							Yes
virus0000029_08	bias	23:56	0			VIRUS	cal							Yes
lrs20000025_09	bias	23:57	0			LRS2	cal							Yes
virus0000029_09	bias	23:57	0			VIRUS	cal							Yes
lrs20000025_10	bias	23:58	0			LRS2	cal							Yes
virus0000029_10	bias	23:58	0			VIRUS	cal							Yes
lrs20000025_11	bias	23:59	0			LRS2	cal							Yes
virus0000029_11	bias	23:59	0			VIRUS	cal							Yes
lrs20000026_01	dark	23:59	360			LRS2	cal							Yes

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