HET Night Report Reader

Civil Date	Ephemerides
2026-08-01	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:58	02:47	03:20	10:44	11:17	12:07	03:45	-
Night Length	7:24		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator	OPS Engineer	Day Ops
Tyler Ryburn	Aiden Dillard	-	-

Overlaps
TO Overlap	RA Overlap
Cassie Crowe	-

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
01:52	21.7	20.4	07:14	clouds	05:22
08:03	19.5	20.1	11:07	twilight	03:04
Total Time Open					8:26

Program	Night Priority	Science
03:20	Science
06:59	Idle due to weather (clouds)
08:25	Science
09:05	Idle due to weather (Marked W so PI gets uncharged xtra data)
09:21	Science
10:19	Engineering (hpf)

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
02:19	02:50	0.36	0.55	-400	-412	20.9	21.3	21.0	102	12	First of Night
10:55	11:07	0.64	1.18	-280	+718	18.3	19.1	19.2	72	13	Post-Observing

Problem Reports
PR Number	Times	Time Lost	Description	Response
6698	05:26-05:39	00:13	HPF Unable to Activate Disabled Metrology Data	Restarted PAS and TCS servers, reopened TCS and OTT

Ops Comments	none

TO Comments	HPF-regular issues throughout the night but otherwise a productive night. Closed temporarily due to clouds.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
virus0009901_01	bias	00:00	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	00:01	20			LRS2	cal							Yes
virus0009902_01	dark	00:02	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	00:03	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	00:04	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	00:06	15			LRS2	cal							Yes
0001	Dark	00:09	319.5			HPF	cal							Yes
0002	Quartz FCU	00:16	74.5			HPF	cal							Yes
0003	Quartz FCU	00:18	74.5			HPF	cal							Yes
0004	Quartz FCU	00:20	74.5			HPF	cal							Yes
0005	Quartz FCU	00:21	74.5			HPF	cal							Yes
0006	Quartz FCU	00:23	74.5			HPF	cal							Yes
0007	Quartz FCU	00:25	74.5			HPF	cal							Yes
0008	Quartz FCU	00:27	74.5			HPF	cal							Yes
0009	Alpha Bright Cal	00:29	85.2			HPF	cal							Yes
0010	Alpha Bright Cal	00:31	85.2			HPF	cal							Yes
0011	Alpha Bright Cal	00:33	85.2			HPF	cal							Yes
0012	Alpha Bright Cal	00:35	85.2			HPF	cal							Yes
0013	LFC FCU	00:38	106.5			HPF	cal							Yes
0014	LFC FCU	00:40	106.5			HPF	cal							Yes
0015	LFC Cal	00:42	106.5			HPF	cal							Yes
0016	LFC Cal	00:45	106.5			HPF	cal							Yes
0017	Etalon Cal	00:47	159.8			HPF	cal							Yes
0018	UNe Slave Cal	00:51	426			HPF	cal							Yes
lrs20000001_01	flat_Qth_R	00:53	15			LRS2	cal							Yes
lrs20000001_02	flat_Qth_R	00:54	15			LRS2	cal							Yes
lrs20000001_03	flat_Qth_R	00:56	15			LRS2	cal							Yes
lrs20000001_04	flat_Qth_R	00:57	15			LRS2	cal							Yes
lrs20000001_05	flat_Qth_R	00:58	15			LRS2	cal							Yes
0019	UNe Slave Cal	00:59	426			HPF	cal							Yes
lrs20000002_01	flat_ldls_long_B	00:59	20			LRS2	cal							Yes
lrs20000002_02	flat_ldls_long_B	01:01	20			LRS2	cal							Yes
lrs20000002_03	flat_ldls_long_B	01:02	20			LRS2	cal							Yes
lrs20000003_01	Cd-A_B	01:03	29			LRS2	cal							Yes
lrs20000003_02	Cd-A_B	01:05	29			LRS2	cal							Yes
lrs20000003_03	Cd-A_B	01:06	29			LRS2	cal							Yes
0020	UNe Slave Cal	01:07	426			HPF	cal							Yes
lrs20000004_01	FeAr_R	01:08	15			LRS2	cal							Yes
lrs20000004_02	FeAr_R	01:09	15			LRS2	cal							Yes
lrs20000004_03	FeAr_R	01:10	15			LRS2	cal							Yes
lrs20000005_01	Hg_R	01:12	20			LRS2	cal							Yes
lrs20000005_02	Hg_R	01:13	20			LRS2	cal							Yes
lrs20000005_03	Hg_R	01:14	20			LRS2	cal							Yes
0021	UNe Slave Cal	01:15	426			HPF	cal							Yes
lrs20000006_01	Hg_B	01:16	15			LRS2	cal							Yes
lrs20000006_02	Hg_B	01:17	15			LRS2	cal							Yes
lrs20000006_03	Hg_B	01:18	15			LRS2	cal							Yes
0022	UNe Slave Cal	01:22	426			HPF	cal							Yes
virus0000001_01	flat_ldls_long	01:25	15			VIRUS	cal							Yes
virus0000001_02	flat_ldls_long	01:26	15			VIRUS	cal							Yes
virus0000001_03	flat_ldls_long	01:28	15			VIRUS	cal							Yes
virus0000002_01	Cd-A	01:29	15			VIRUS	cal							Yes
0023	UNe Slave Cal	01:30	426			HPF	cal							Yes
virus0000002_02	Cd-A	01:30	15			VIRUS	cal							Yes
virus0000002_03	Cd-A	01:32	15			VIRUS	cal							Yes
virus0000003_01	Hg	01:33	15			VIRUS	cal							Yes
virus0000003_02	Hg	01:35	15			VIRUS	cal							Yes
virus0000003_03	Hg	01:36	15			VIRUS	cal							Yes
lrs20000007_01	bias	01:37	0			LRS2	cal							Yes
virus0000004_01	bias	01:37	0			VIRUS	cal							Yes
lrs20000007_02	bias	01:38	0			LRS2	cal							Yes
virus0000004_02	bias	01:38	0			VIRUS	cal							Yes
lrs20000007_03	bias	01:39	0			LRS2	cal							Yes
virus0000004_03	bias	01:39	0			VIRUS	cal							Yes
lrs20000007_04	bias	01:40	0			LRS2	cal							Yes
virus0000004_04	bias	01:40	0			VIRUS	cal							Yes
lrs20000007_05	bias	01:41	0			LRS2	cal							Yes
lrs20000007_06	bias	01:41	0			LRS2	cal							Yes
virus0000004_05	bias	01:41	0			VIRUS	cal							Yes
virus0000004_06	bias	01:42	0			VIRUS	cal							Yes
lrs20000007_07	bias	01:42	0			LRS2	cal							Yes
virus0000004_07	bias	01:43	0			VIRUS	cal							Yes
lrs20000007_08	bias	01:43	0			LRS2	cal							Yes
virus0000004_08	bias	01:43	0			VIRUS	cal							Yes
lrs20000007_09	bias	01:44	0			LRS2	cal							Yes
virus0000004_09	bias	01:44	0			VIRUS	cal							Yes
lrs20000007_10	bias	01:45	0			LRS2	cal							Yes
virus0000004_10	bias	01:45	0			VIRUS	cal							Yes
lrs20000007_11	bias	01:46	0			LRS2	cal							Yes
virus0000004_11	bias	01:46	0			VIRUS	cal							Yes
lrs20000008_01	dark	02:29	360			LRS2	cal							Yes
virus0000005_01	dark	02:29	360			VIRUS	cal							Yes
lrs20000008_02	dark	02:36	360			LRS2	cal							Yes
virus0000005_02	dark	02:36	360			VIRUS	cal							Yes
lrs20000008_03	dark	02:43	360			LRS2	cal							Yes
virus0000005_03	dark	02:43	360			VIRUS	cal							Yes
0024	LFC Cal	02:56	106.5			HPF	cal							Yes
0025	QID 228	02:59	915.9	7.7	G26-3-002	HPF	sci	1.53	1.14	20.28	0.88	126		Yes
virus0000006_01	parallel	02:59	1914.8			VIRUS	sci							Yes
0026	QID 228	03:15	915.9	0.7	G26-3-002	HPF	sci	1.51	1.62	20.29	0.87	123		Yes
0027	LFC Cal	03:32	106.5			HPF	cal							Yes
virus0000007_01	parallel	03:41	1200			VIRUS	sci							Yes
0028	LFC Cal	03:42	106.5			HPF	cal							Yes
lrs20000009_01	QID 210	03:42	1200	11.0	PSU26-3-003	LRS2-B	sci	1.33	1.02	20.57	0.82			Yes
0029	LFC Cal	03:44	106.5			HPF	cal							Yes
0030	LFC Cal	03:46	106.5			HPF	cal							Yes
virus0000007_02	parallel	04:03	1200			VIRUS	sci							Yes
lrs20000009_02	QID 210	04:03	1200	1.0	PSU26-3-003	LRS2-B	sci	1.35	0.88	19.95	0.82			Yes
virus0000008_01	parallel	04:27	1200			VIRUS	sci							Yes
0031	LFC Cal	04:28	106.5			HPF	cal							Yes
lrs20000010_01	QID 208	04:28	1200	5.0	PSU26-3-003	LRS2-B	sci	1.33	0.71	19.66	0.80			Yes
0032	LFC Cal	04:30	106.5			HPF	cal							Yes
0033	LFC Cal	04:32	106.5			HPF	cal							Yes
virus0000008_02	parallel	04:49	1200			VIRUS	sci							Yes
lrs20000010_02	QID 208	04:49	1200	1.0	PSU26-3-003	LRS2-B	sci	1.27	0.76	19.61	0.78			Yes
0034	LFC Cal	05:18	106.5			HPF	cal							Yes
virus0000009_01	parallel	05:18	400			VIRUS	sci							Yes
lrs20000011_01	QID 224	05:18	400	9.3	PSU26-3-003	LRS2-B	sci	1.17	0.73	19.51	0.84			Yes
0035	LFC Cal	05:21	106.5			HPF	cal							Yes
0036	LFC Cal	05:23	106.5			HPF	cal							Yes
virus0000010_01	parallel	05:46	3309.6			VIRUS	sci							Yes
0037	QID 771	05:47	308.9	6.9	UT26-3-001	HPF	sci	1.38	0.80	18.71	0.74	92		Yes
0038	QID 771	05:53	308.9	0.9	UT26-3-001	HPF	sci	1.48	0.82	18.72	0.78	96		Yes
0039	QID 771	05:58	308.9	0.9	UT26-3-001	HPF	sci	1.45	0.87	18.73	0.82	103		Yes
0040	QID 771	06:04	308.9	-0.1	UT26-3-001	HPF	sci	1.45	0.79	18.77	0.83	107		Yes
0041	QID 771	06:10	308.9	0.9	UT26-3-001	HPF	sci	1.41	0.83	18.83	0.82	109		Yes
0042	QID 771	06:16	308.9	0.9	UT26-3-001	HPF	sci	1.41	0.77	18.85	0.83	112		Yes
0043	QID 771	06:21	308.9	0.9	UT26-3-001	HPF	sci	1.42	0.89	18.84	0.85	110		Yes
0044	QID 771	06:27	308.9	-0.1	UT26-3-001	HPF	sci	1.41	0.76	18.83	0.86	103		Yes
0045	QID 771	06:33	308.9	0.9	UT26-3-001	HPF	sci	1.42	0.84	18.81	0.88	93		Yes
0046	QID 771	06:39	308.9	0.9	UT26-3-001	HPF	sci	1.41	0.85	18.78	0.90	86		Yes
0047	QID 771	06:45	308.9	0.9	UT26-3-001	HPF	sci	1.40	0.89	18.73	0.94	80		Yes
0048	QID 771	06:50	308.9	-0.1	UT26-3-001	HPF	sci	1.38	0.79	18.71	0.96	74		Yes
0049	QID 771	06:57	127.8	1.9	UT26-3-001	HPF	sci	1.33	0.87	18.70	0.97		PFIP shutter did not open for this last short exposure before end of track	No
0050	LFC Cal	08:06	106.5			HPF	cal							Yes
0051	QID 230	08:10	915.9	3.7	G26-3-002	HPF	sci	1.67		17.47	0.70	76	sky brightness grew too large with clouds; aborted second exposure	No
virus0000011_01	parallel	08:10	1914.8			VIRUS	sci							Yes
0052	LFC Cal	08:28	106.5			HPF	cal							Yes
0053	QID 229	08:34	915.9	8.7	G26-3-002	HPF	sci	1.45	1.01	18.04	0.57	71		Yes
virus0000012_01	parallel	08:42	1914.8			VIRUS	sci							Yes
0054	QID 229	08:50	915.9	0.7	G26-3-002	HPF	sci	1.61	1.24	18.58	0.76	75		Yes
0055	QID 229	09:06	915.9	0.7	G26-3-002	HPF	sci	1.61	0.97	18.91	0.87	74	Data is good; accidentally observed third exposure due to issue with iexp	No
0056	LFC Cal	09:22	106.5			HPF	cal							Yes
0057	QID 197	09:28	915.9	6.7	PSU26-3-010	HPF	sci	1.61	1.08	19.10	0.94	150		Yes
virus0000014_01	parallel	09:28	1914.8			VIRUS	sci							Yes
0058	QID 197	09:44	915.9	1.7	PSU26-3-010	HPF	sci	1.64	1.12	19.14	0.95	158		Yes
virus0000015_01	parallel	10:04	882.9			VIRUS	sci							Yes
0059	QID 89	10:05	852	4.8	UT26-3-004	HPF	sci	1.33	1.02	18.51	1.00		TO accidentally pressed setup complete without being on target	No
0060	Teegarden	10:20	969.1	1.8	ENG26-3-000	HPF	eng	1.37	1.04	18.77	0.91	250		Yes
virus0000016_01	parallel	10:20	2000			VIRUS	eng							Yes
0061	Teegarden	10:38	969.1	0.8	ENG26-3-000	HPF	eng	1.57	1.04	19.10	0.91	268		Yes
0062	LFC Cal	10:55	106.5			HPF	cal							Yes
lrs20000012_01	bias	10:58	0			LRS2	cal							Yes
virus0000017_01	bias	10:59	0			VIRUS	cal							Yes
virus0000018_01	Cd-A	11:03	15		ENG26-3-002	VIRUS	cal							Yes
virus0000019_01	Hg	11:04	15		ENG26-3-002	VIRUS	cal							Yes
0063	Dark	11:20	319.5			HPF	cal							Yes
0064	Quartz FCU	11:32	74.5			HPF	cal							Yes
0065	Quartz FCU	11:33	74.5			HPF	cal							Yes
0066	Quartz FCU	11:35	74.5			HPF	cal							Yes
0067	Quartz FCU	11:37	74.5			HPF	cal							Yes
0068	Quartz FCU	11:39	74.5			HPF	cal							Yes
0069	Quartz FCU	11:41	74.5			HPF	cal							Yes
0070	Quartz FCU	11:42	74.5			HPF	cal							Yes
0071	Alpha Bright Cal	11:45	85.2			HPF	cal							Yes
0072	Alpha Bright Cal	11:47	85.2			HPF	cal							Yes
0073	Alpha Bright Cal	11:49	85.2			HPF	cal							Yes
0074	Alpha Bright Cal	11:51	85.2			HPF	cal							Yes
0075	LFC FCU	11:53	106.5			HPF	cal							Yes
0076	LFC FCU	11:55	106.5			HPF	cal							Yes
0077	LFC FCU	11:58	106.5			HPF	cal							Yes
0078	LFC FCU	12:00	106.5			HPF	cal							Yes
0079	LFC FCU	12:02	106.5			HPF	cal							Yes
0080	LFC FCU	12:05	106.5			HPF	cal							Yes
0081	LFC Cal	12:08	106.5			HPF	cal							Yes
0082	LFC Cal	12:10	106.5			HPF	cal							Yes
0083	Etalon Cal	12:18	159.8			HPF	cal							Yes
0084	Etalon Cal	12:21	159.8			HPF	cal							Yes
0085	Etalon Cal	12:24	159.8			HPF	cal							Yes
0086	Etalon Cal	12:27	159.8			HPF	cal							Yes
0087	UNe Slave Cal	12:31	426			HPF	cal							Yes
0088	UNe Slave Cal	12:39	426			HPF	cal							Yes
0089	UNe Slave Cal	12:46	426			HPF	cal							Yes
0090	UNe Slave Cal	12:54	426			HPF	cal							Yes
0091	UNe Slave Cal	13:02	426			HPF	cal							Yes
0092	UNe Slave Cal	13:10	426			HPF	cal							Yes
0180	Etalon Cal	18:03	159.8			HPF	cal							Yes
0181	Etalon Cal	18:06	159.8			HPF	cal							Yes
0182	Etalon Cal	18:09	159.8			HPF	cal							Yes
0183	Etalon Cal	18:12	159.8			HPF	cal							Yes
0184	Etalon Cal	18:15	159.8			HPF	cal							Yes
0185	Etalon Cal	18:19	159.8			HPF	cal							Yes
0186	Etalon Cal	18:22	159.8			HPF	cal							Yes
0187	LFC Cal	18:25	106.5			HPF	cal							Yes
0188	LFC Cal	18:28	106.5			HPF	cal							Yes
0189	LFC Cal	18:30	106.5			HPF	cal							Yes
0190	LFC Cal	18:32	106.5			HPF	cal							Yes
0191	LFC Cal	18:35	106.5			HPF	cal							Yes
0192	LFC Cal	18:37	106.5			HPF	cal							Yes
0193	LFC Cal	18:39	106.5			HPF	cal							Yes
0194	LFC Cal	18:42	106.5			HPF	cal							Yes
0195	LFC Cal	18:44	106.5			HPF	cal							Yes
0196	Etalon Cal	18:47	159.8			HPF	cal							Yes
0197	Etalon Cal	18:50	159.8			HPF	cal							Yes
0198	Etalon Cal	18:53	159.8			HPF	cal							Yes
0199	Etalon Cal	18:56	159.8			HPF	cal							Yes
0200	Etalon Cal	18:59	159.8			HPF	cal							Yes
0201	Etalon Cal	19:03	159.8			HPF	cal							Yes
0202	Etalon Cal	19:06	159.8			HPF	cal							Yes
0203	Etalon Cal	19:09	159.8			HPF	cal							Yes
0204	Etalon Cal	19:12	159.8			HPF	cal							Yes
0205	LFC Cal	19:16	106.5			HPF	cal							Yes
0206	LFC Cal	19:18	106.5			HPF	cal							Yes
0207	LFC Cal	19:20	106.5			HPF	cal							Yes
0208	LFC Cal	19:23	106.5			HPF	cal							Yes
0209	LFC Cal	19:25	106.5			HPF	cal							Yes
0210	LFC Cal	19:27	106.5			HPF	cal							Yes
0211	LFC Cal	19:30	106.5			HPF	cal							Yes
0212	LFC Cal	19:32	106.5			HPF	cal							Yes
0213	LFC Cal	19:34	106.5			HPF	cal							Yes
0214	Etalon Cal	19:37	159.8			HPF	cal							Yes
0215	Etalon Cal	19:40	159.8			HPF	cal							Yes
0216	Etalon Cal	19:43	159.8			HPF	cal							Yes
0217	Etalon Cal	19:46	159.8			HPF	cal							Yes
0218	Etalon Cal	19:50	159.8			HPF	cal							Yes
0219	Etalon Cal	19:53	159.8			HPF	cal							Yes
0220	Etalon Cal	19:56	159.8			HPF	cal							Yes
0221	Etalon Cal	19:59	159.8			HPF	cal							Yes
0222	Etalon Cal	20:02	159.8			HPF	cal							Yes
0223	LFC Cal	20:06	106.5			HPF	cal							Yes
0224	LFC Cal	20:08	106.5			HPF	cal							Yes
0225	LFC Cal	20:11	106.5			HPF	cal							Yes
0226	LFC Cal	20:13	106.5			HPF	cal							Yes
0227	LFC Cal	20:15	106.5			HPF	cal							Yes
0228	LFC Cal	20:18	106.5			HPF	cal							Yes
0229	LFC Cal	20:20	106.5			HPF	cal							Yes
0230	LFC Cal	20:22	106.5			HPF	cal							Yes
0231	LFC Cal	20:24	106.5			HPF	cal							Yes
0232	Etalon Cal	20:27	159.8			HPF	cal							Yes
0233	Etalon Cal	20:30	159.8			HPF	cal							Yes
0234	Etalon Cal	20:34	159.8			HPF	cal							Yes
0235	Etalon Cal	20:37	159.8			HPF	cal							Yes
0236	Etalon Cal	20:40	159.8			HPF	cal							Yes
0237	Etalon Cal	20:43	159.8			HPF	cal							Yes
0238	Etalon Cal	20:46	159.8			HPF	cal							Yes
0239	Etalon Cal	20:50	159.8			HPF	cal							Yes
0240	Etalon Cal	20:53	159.8			HPF	cal							Yes
0241	LFC Cal	20:56	106.5			HPF	cal							Yes
0242	LFC Cal	20:59	106.5			HPF	cal							Yes
0243	LFC Cal	21:01	106.5			HPF	cal							Yes
0244	LFC Cal	21:03	106.5			HPF	cal							Yes
0245	LFC Cal	21:06	106.5			HPF	cal							Yes
0246	LFC Cal	21:08	106.5			HPF	cal							Yes
0247	LFC Cal	21:10	106.5			HPF	cal							Yes
0248	LFC Cal	21:12	106.5			HPF	cal							Yes
0249	LFC Cal	21:15	106.5			HPF	cal							Yes
0250	Etalon Cal	21:17	159.8			HPF	cal							Yes
0251	Etalon Cal	21:21	159.8			HPF	cal							Yes
0252	Etalon Cal	21:24	159.8			HPF	cal							Yes
0253	Etalon Cal	21:27	159.8			HPF	cal							Yes
0254	Etalon Cal	21:30	159.8			HPF	cal							Yes
0255	Etalon Cal	21:33	159.8			HPF	cal							Yes
0256	Etalon Cal	21:37	159.8			HPF	cal							Yes
0257	Etalon Cal	21:40	159.8			HPF	cal							Yes
0258	Etalon Cal	21:43	159.8			HPF	cal							Yes
0259	LFC Cal	21:47	106.5			HPF	cal							Yes
0260	LFC Cal	21:49	106.5			HPF	cal							Yes
0261	LFC Cal	21:51	106.5			HPF	cal							Yes
0262	LFC Cal	21:54	106.5			HPF	cal							Yes
0263	LFC Cal	21:56	106.5			HPF	cal							Yes
0264	LFC Cal	21:58	106.5			HPF	cal							Yes
0265	LFC Cal	22:00	106.5			HPF	cal							Yes
0266	LFC Cal	22:03	106.5			HPF	cal							Yes
0267	LFC Cal	22:05	106.5			HPF	cal							Yes
0268	Etalon Cal	22:08	159.8			HPF	cal							Yes
0269	Etalon Cal	22:11	159.8			HPF	cal							Yes
0270	Etalon Cal	22:14	159.8			HPF	cal							Yes
0271	Etalon Cal	22:17	159.8			HPF	cal							Yes
0272	Etalon Cal	22:21	159.8			HPF	cal							Yes
0273	Etalon Cal	22:24	159.8			HPF	cal							Yes
0274	Etalon Cal	22:27	159.8			HPF	cal							Yes
0275	LFC Cal	23:45	106.5			HPF	cal							Yes
lrs20009900_01	bias	23:58	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	23:59	20			VIRUS	cal							Yes

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