HET Night Report Reader

Civil Date	Ephemerides
2026-04-01	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:22	02:07	02:36	11:22	11:50	12:37	01:15	12:44
Night Length	8:46		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator
Jose Fernandez	Justen Pautzke

Overlaps		none

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
05:45	12.6	13.7	09:50	wind	04:05
11:04	11.3	11.6	12:03	twilight	00:59
Total Time Open					5:04

Program	Night Priority	Science
02:36	Idle due to weather (radar, dust)
07:25	Science
08:19	Idle due to weather (sky brightness)
08:40	Science
09:46	Idle due to weather (high wind)
11:02	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
05:45	06:36	0.49	0.86	60	-3840	12.2	12.9	13.1	299	23	First of Night
11:55	12:01	1.01	1.63	180	-3390	11.2	11.4	11.5	281	20	Post-Observing

Problem Reports
PR Number	Times	Time Lost	Description	Response
6662	05:56-05:56	00:00	Remote louver control is not working at normal web address. Error "Unable to connect."

TO Comments	none

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	00:00	426			HPF	cal							Yes
lrs20000001_01	flat_Qth_R	00:02	15			LRS2	cal							Yes
lrs20000001_02	flat_Qth_R	00:04	15			LRS2	cal							Yes
lrs20000001_03	flat_Qth_R	00:05	15			LRS2	cal							Yes
lrs20000001_04	flat_Qth_R	00:06	15			LRS2	cal							Yes
lrs20000001_05	flat_Qth_R	00:07	15			LRS2	cal							Yes
0002	UNe Slave Cal	00:08	426			HPF	cal							Yes
lrs20000002_01	flat_ldls_long_B	00:08	20			LRS2	cal							Yes
lrs20000002_02	flat_ldls_long_B	00:10	20			LRS2	cal							Yes
lrs20000002_03	flat_ldls_long_B	00:11	20			LRS2	cal							Yes
lrs20000003_01	Cd-A_B	00:12	29			LRS2	cal							Yes
lrs20000003_02	Cd-A_B	00:14	29			LRS2	cal							Yes
lrs20000003_03	Cd-A_B	00:15	29			LRS2	cal							Yes
0003	UNe Slave Cal	00:16	426			HPF	cal							Yes
lrs20000004_01	FeAr_R	00:17	15			LRS2	cal							Yes
lrs20000004_02	FeAr_R	00:18	15			LRS2	cal							Yes
lrs20000004_03	FeAr_R	00:19	15			LRS2	cal							Yes
lrs20000005_01	Hg_R	00:20	20			LRS2	cal							Yes
lrs20000005_02	Hg_R	00:22	20			LRS2	cal							Yes
lrs20000005_03	Hg_R	00:23	20			LRS2	cal							Yes
0004	UNe Slave Cal	00:24	426			HPF	cal							Yes
lrs20000006_01	Hg_B	00:24	15			LRS2	cal							Yes
lrs20000006_02	Hg_B	00:25	15			LRS2	cal							Yes
lrs20000006_03	Hg_B	00:27	15			LRS2	cal							Yes
0005	UNe Slave Cal	00:32	426			HPF	cal							Yes
virus0000001_01	flat_ldls_long	00:33	15			VIRUS	cal							Yes
virus0000001_02	flat_ldls_long	00:35	15			VIRUS	cal							Yes
virus0000001_03	flat_ldls_long	00:36	15			VIRUS	cal							Yes
virus0000002_01	Cd-A	00:37	15			VIRUS	cal							Yes
0006	UNe Slave Cal	00:39	426			HPF	cal							Yes
virus0000002_02	Cd-A	00:39	15			VIRUS	cal							Yes
virus0000002_03	Cd-A	00:40	15			VIRUS	cal							Yes
virus0000003_01	Hg	00:42	15			VIRUS	cal							Yes
virus0000003_02	Hg	00:43	15			VIRUS	cal							Yes
virus0000003_03	Hg	00:44	15			VIRUS	cal							Yes
lrs20000007_01	bias	00:46	0			LRS2	cal							Yes
virus0000004_01	bias	00:46	0			VIRUS	cal							Yes
lrs20000007_02	bias	00:47	0			LRS2	cal							Yes
lrs20000007_03	bias	00:47	0			LRS2	cal							Yes
virus0000004_02	bias	00:47	0			VIRUS	cal							Yes
virus0000004_03	bias	00:48	0			VIRUS	cal							Yes
lrs20000007_04	bias	00:48	0			LRS2	cal							Yes
virus0000004_04	bias	00:49	0			VIRUS	cal							Yes
lrs20000007_05	bias	00:49	0			LRS2	cal							Yes
virus0000004_05	bias	00:49	0			VIRUS	cal							Yes
lrs20000007_06	bias	00:50	0			LRS2	cal							Yes
virus0000004_06	bias	00:50	0			VIRUS	cal							Yes
lrs20000007_07	bias	00:51	0			LRS2	cal							Yes
virus0000004_07	bias	00:51	0			VIRUS	cal							Yes
lrs20000007_08	bias	00:52	0			LRS2	cal							Yes
virus0000004_08	bias	00:52	0			VIRUS	cal							Yes
lrs20000007_09	bias	00:53	0			LRS2	cal							Yes
virus0000004_09	bias	00:53	0			VIRUS	cal							Yes
lrs20000007_10	bias	00:54	0			LRS2	cal							Yes
lrs20000007_11	bias	00:54	0			LRS2	cal							Yes
virus0000004_10	bias	00:54	0			VIRUS	cal							Yes
virus0000004_11	bias	00:55	0			VIRUS	cal							Yes
lrs20000008_01	dark	00:55	360			LRS2	cal							Yes
virus0000005_01	dark	00:56	360			VIRUS	cal							Yes
lrs20000008_02	dark	01:02	360			LRS2	cal							Yes
virus0000005_02	dark	01:02	360			VIRUS	cal							Yes
lrs20000008_03	dark	01:09	360			LRS2	cal							Yes
virus0000005_03	dark	01:09	360			VIRUS	cal							Yes
virus0000006_01	dark	03:25	360		ENG26-2-004	VIRUS	cal							Yes
0007	LFC Cal	03:29	106.5			HPF	cal							Yes
0008	LFC Cal	03:32	106.5			HPF	cal							Yes
virus0000006_02	dark	03:32	360		ENG26-2-004	VIRUS	cal							Yes
0009	LFC Cal	03:34	106.5			HPF	cal							Yes
virus0000006_03	dark	03:39	360		ENG26-2-004	VIRUS	cal							Yes
virus0000006_04	dark	03:46	360		ENG26-2-004	VIRUS	cal							Yes
virus0000006_05	dark	03:52	360		ENG26-2-004	VIRUS	cal							Yes
virus0000006_06	dark	03:59	360		ENG26-2-004	VIRUS	cal							Yes
virus0000006_07	dark	04:06	360		ENG26-2-004	VIRUS	cal							Yes
virus0000006_08	dark	04:13	360		ENG26-2-004	VIRUS	cal							Yes
virus0000006_09	dark	04:20	360		ENG26-2-004	VIRUS	cal							Yes
virus0000006_10	dark	04:27	360		ENG26-2-004	VIRUS	cal							Yes
lrs20000009_01	dark	04:40	1800		ENG26-2-002	LRS2	cal							Yes
lrs20000009_02	dark	05:10	1800		ENG26-2-002	LRS2	cal							Yes
lrs20000009_03	dark	05:41	1800		ENG26-2-002	LRS2	cal							Yes
0010	LFC Cal	06:12	106.5			HPF	cal							Yes
0011	LFC Cal	06:14	106.5			HPF	cal							Yes
0012	LFC Cal	06:17	106.5			HPF	cal							Yes
0013	QID 156	07:32	468.6	7.2	UT26-2-011	HPF	sci	2.41		18.27	0.76		didnt abort exposure after canceling observation	No
virus0000007_01	parallel	07:32	517			VIRUS	sci							Yes
virus0000008_01	GRW+705824_034_E	07:41	60	1.0		VIRUS	spec	2.37		18.27	0.78			Yes
virus0000008_02	GRW+705824_034_E	07:43	60	1.0		VIRUS	spec	2.55		18.24	0.78			Yes
virus0000008_03	GRW+705824_034_E	07:45	60	1.0		VIRUS	spec	2.26		18.32	0.81			Yes
virus0000009_01	parallel	07:52	500			VIRUS	sci							Yes
0014	LFC Cal	07:53	106.5			HPF	cal							Yes
lrs20000010_01	QID 689	07:53	500	6.7	UT26-2-003	LRS2-B	sci	2.12		18.26	0.79		bad pointing	No
0015	LFC Cal	07:55	106.5			HPF	cal							Yes
0016	LFC Cal	07:57	106.5			HPF	cal							Yes
0017	LFC Cal	08:10	106.5			HPF	cal							Yes
virus0000010_01	parallel	08:10	500			VIRUS	sci							Yes
lrs20000011_01	QID 690	08:10	500	9.7	UT26-2-003	LRS2-R	sci	1.91		18.32	0.83		bad pointing	No
0018	LFC Cal	08:13	106.5			HPF	cal							Yes
0019	LFC Cal	08:15	106.5			HPF	cal							Yes
0020	HR6203_tell_std	08:46	330.2	6.5		HPF	telluric	1.64		17.57	0.70			Yes
0021	LFC Cal	08:58	106.5			HPF	cal							Yes
virus0000011_01	parallel	08:58	600			VIRUS	sci							Yes
lrs20000012_01	QID 429	08:58	600	6.0	UT26-2-017	LRS2-B	sci	1.85		18.55	0.61			Yes
0022	LFC Cal	09:00	106.5			HPF	cal							Yes
0023	LFC Cal	09:03	106.5			HPF	cal							Yes
0024	LFC Cal	09:12	106.5			HPF	cal							Yes
virus0000012_01	parallel	09:12	1200			VIRUS	sci							Yes
lrs20000013_01	QID 430	09:12	1200	4.0	UT26-2-017	LRS2-R	sci	1.85		18.49	0.91			Yes
0025	LFC Cal	09:15	106.5			HPF	cal							Yes
0026	LFC Cal	09:17	106.5			HPF	cal							Yes
0027	QID 175	09:43	170.4	11.2	UT26-2-011	HPF	sci	1.82		17.73	0.90	202		Yes
0028	LFC Cal	10:20	106.5			HPF	cal							Yes
0029	LFC Cal	10:22	106.5			HPF	cal							Yes
0030	LFC Cal	10:25	106.5			HPF	cal							Yes
virus0000013_01	parallel	11:10	1023			VIRUS	sci							Yes
0031	QID 101	11:11	969.1	8.8	UT26-2-019	HPF	sci	2.07		19.02	0.94	280		Yes
0032	LFC Cal	11:29	106.5			HPF	cal							Yes
0033	QID 179	11:36	53.3	8.1	UT26-2-011	HPF	sci	2.02		19.15	0.87	321		Yes
0034	QID 182	11:43	95.9	6.4	UT26-2-011	HPF	sci	2.31		18.76	0.88	287		Yes
0035	LFC Cal	11:50	106.5			HPF	cal							Yes
lrs20000014_01	QID 660	11:50	240	6.0	PSU26-2-004	LRS2-B	sci	2.55		18.14	0.79			Yes
lrs20000015_01	bias	12:06	0			LRS2	cal							Yes
virus0000014_01	bias	12:07	0			VIRUS	cal							Yes
virus0000015_01	Cd-A	12:12	15		ENG26-2-002	VIRUS	cal							Yes
virus0000016_01	Hg	12:13	15		ENG26-2-002	VIRUS	cal							Yes
0036	Dark	12:22	319.5			HPF	cal							Yes
0037	Quartz FCU	12:33	74.5			HPF	cal							Yes
0038	Quartz FCU	12:35	74.5			HPF	cal							Yes
0039	Quartz FCU	12:37	74.5			HPF	cal							Yes
0040	Quartz FCU	12:39	74.5			HPF	cal							Yes
0041	Quartz FCU	12:40	74.5			HPF	cal							Yes
0042	Quartz FCU	12:42	74.5			HPF	cal							Yes
0043	Quartz FCU	12:44	74.5			HPF	cal							Yes
0044	Alpha Bright Cal	12:46	85.2			HPF	cal							Yes
0045	Alpha Bright Cal	12:48	85.2			HPF	cal							Yes
0046	Alpha Bright Cal	12:50	85.2			HPF	cal							Yes
0047	Alpha Bright Cal	12:52	85.2			HPF	cal							Yes
0048	LFC FCU	12:55	106.5			HPF	cal							Yes
0049	LFC FCU	12:57	106.5			HPF	cal							Yes
0050	LFC FCU	12:59	106.5			HPF	cal							Yes
0051	LFC FCU	13:02	106.5			HPF	cal							Yes
0052	LFC FCU	13:04	106.5			HPF	cal							Yes
0053	LFC FCU	13:06	106.5			HPF	cal							Yes
0054	LFC Cal	13:09	106.5			HPF	cal							Yes
0055	LFC Cal	13:12	106.5			HPF	cal							Yes
0056	Etalon Cal	13:19	159.8			HPF	cal							Yes
0057	Etalon Cal	13:22	159.8			HPF	cal							Yes
0058	Etalon Cal	13:26	159.8			HPF	cal							Yes
0059	Etalon Cal	13:29	159.8			HPF	cal							Yes
0060	UNe Slave Cal	13:32	426			HPF	cal							Yes
0061	UNe Slave Cal	13:40	426			HPF	cal							Yes
0062	UNe Slave Cal	13:48	426			HPF	cal							Yes
0063	UNe Slave Cal	13:56	426			HPF	cal							Yes
0064	UNe Slave Cal	14:04	426			HPF	cal							Yes
0065	UNe Slave Cal	14:11	426			HPF	cal							Yes
0242	LFC Cal	18:02	106.5			HPF	cal							Yes
0243	LFC Cal	18:04	106.5			HPF	cal							Yes
0244	LFC Cal	18:06	106.5			HPF	cal							Yes
0245	Etalon Cal	18:09	159.8			HPF	cal							Yes
0246	Etalon Cal	18:12	159.8			HPF	cal							Yes
0247	Etalon Cal	18:15	159.8			HPF	cal							Yes
0248	Etalon Cal	18:19	159.8			HPF	cal							Yes
0249	Etalon Cal	18:22	159.8			HPF	cal							Yes
0250	Etalon Cal	18:25	159.8			HPF	cal							Yes
0251	Etalon Cal	18:28	159.8			HPF	cal							Yes
0252	Etalon Cal	18:31	159.8			HPF	cal							Yes
0253	Etalon Cal	18:35	159.8			HPF	cal							Yes
0254	LFC Cal	18:38	106.5			HPF	cal							Yes
0255	LFC Cal	18:41	106.5			HPF	cal							Yes
0256	LFC Cal	18:43	106.5			HPF	cal							Yes
0257	LFC Cal	18:45	106.5			HPF	cal							Yes
0258	LFC Cal	18:47	106.5			HPF	cal							Yes
0259	LFC Cal	18:50	106.5			HPF	cal							Yes
0260	LFC Cal	18:52	106.5			HPF	cal							Yes
0261	LFC Cal	18:54	106.5			HPF	cal							Yes
0262	LFC Cal	18:57	106.5			HPF	cal							Yes
0263	Etalon Cal	18:59	159.8			HPF	cal							Yes
0264	Etalon Cal	19:03	159.8			HPF	cal							Yes
0265	Etalon Cal	19:06	159.8			HPF	cal							Yes
0266	Etalon Cal	19:09	159.8			HPF	cal							Yes
0267	Etalon Cal	19:12	159.8			HPF	cal							Yes
0268	Etalon Cal	19:15	159.8			HPF	cal							Yes
0269	Etalon Cal	19:19	159.8			HPF	cal							Yes
0270	Etalon Cal	19:22	159.8			HPF	cal							Yes
0271	Etalon Cal	19:25	159.8			HPF	cal							Yes
0272	LFC Cal	19:28	106.5			HPF	cal							Yes
0273	LFC Cal	19:31	106.5			HPF	cal							Yes
0274	LFC Cal	19:33	106.5			HPF	cal							Yes
0275	LFC Cal	19:35	106.5			HPF	cal							Yes
0276	LFC Cal	19:38	106.5			HPF	cal							Yes
0277	LFC Cal	19:40	106.5			HPF	cal							Yes
0278	LFC Cal	19:42	106.5			HPF	cal							Yes
0279	LFC Cal	19:45	106.5			HPF	cal							Yes
0280	LFC Cal	19:47	106.5			HPF	cal							Yes
0281	Etalon Cal	19:50	159.8			HPF	cal							Yes
0282	Etalon Cal	19:53	159.8			HPF	cal							Yes
0283	Etalon Cal	19:56	159.8			HPF	cal							Yes
0284	Etalon Cal	19:59	159.8			HPF	cal							Yes
0285	Etalon Cal	20:02	159.8			HPF	cal							Yes
0286	Etalon Cal	20:06	159.8			HPF	cal							Yes
0287	Etalon Cal	20:09	159.8			HPF	cal							Yes
0288	Etalon Cal	20:12	159.8			HPF	cal							Yes
0289	Etalon Cal	20:15	159.8			HPF	cal							Yes
0290	LFC Cal	20:19	106.5			HPF	cal							Yes
0291	LFC Cal	20:21	106.5			HPF	cal							Yes
0292	LFC Cal	20:23	106.5			HPF	cal							Yes
0293	LFC Cal	20:26	106.5			HPF	cal							Yes
0294	LFC Cal	20:28	106.5			HPF	cal							Yes
0295	LFC Cal	20:30	106.5			HPF	cal							Yes
0296	LFC Cal	20:33	106.5			HPF	cal							Yes
0297	LFC Cal	20:35	106.5			HPF	cal							Yes
0298	LFC Cal	20:37	106.5			HPF	cal							Yes
0299	Etalon Cal	20:40	159.8			HPF	cal							Yes
0300	Etalon Cal	20:43	159.8			HPF	cal							Yes
0301	Etalon Cal	20:46	159.8			HPF	cal							Yes
0302	Etalon Cal	20:49	159.8			HPF	cal							Yes
0303	Etalon Cal	20:53	159.8			HPF	cal							Yes
0304	Etalon Cal	20:56	159.8			HPF	cal							Yes
0305	Etalon Cal	20:59	159.8			HPF	cal							Yes
0306	Etalon Cal	21:02	159.8			HPF	cal							Yes
0307	Etalon Cal	21:05	159.8			HPF	cal							Yes
0308	LFC Cal	21:59	106.5			HPF	cal							Yes
virus0009900_01	flat_Qth	22:25	20			VIRUS	cal							Yes
virus0009901_01	bias	22:27	0			VIRUS	cal							Yes
virus0009902_01	dark	22:28	15			VIRUS	cal							Yes
virus0009907_01	flat_Qth	22:32	20			VIRUS	cal							Yes
virus0009908_01	bias	22:34	0			VIRUS	cal							Yes
virus0009909_01	dark	22:35	15			VIRUS	cal							Yes
lrs20009920_01	bias	22:41	0			LRS2	cal							Yes
lrs20009921_01	flat_ldls_long_B	22:44	20			LRS2	cal							Yes
lrs20009922_01	Cd-A_B	22:45	29			LRS2	cal							Yes
lrs20009923_01	FeAr_R	22:47	15			LRS2	cal							Yes
lrs20009924_01	Hg_B	22:48	15			LRS2	cal							Yes
0309	Dark	23:19	319.5			HPF	cal							Yes
0310	Quartz FCU	23:25	74.5			HPF	cal							Yes
0311	Quartz FCU	23:27	74.5			HPF	cal							Yes
0312	Quartz FCU	23:29	74.5			HPF	cal							Yes
0313	Quartz FCU	23:31	74.5			HPF	cal							Yes
0314	Quartz FCU	23:32	74.5			HPF	cal							Yes
0315	Quartz FCU	23:34	74.5			HPF	cal							Yes
0316	Quartz FCU	23:36	74.5			HPF	cal							Yes
0317	Alpha Bright Cal	23:38	85.2			HPF	cal							Yes
0318	Alpha Bright Cal	23:40	85.2			HPF	cal							Yes
0319	Alpha Bright Cal	23:42	85.2			HPF	cal							Yes
0320	Alpha Bright Cal	23:44	85.2			HPF	cal							Yes
0321	LFC FCU	23:47	106.5			HPF	cal							Yes
0322	LFC FCU	23:49	106.5			HPF	cal							Yes
0323	LFC Cal	23:52	106.5			HPF	cal							Yes
0324	LFC Cal	23:54	106.5			HPF	cal							Yes
0325	Etalon Cal	23:57	159.8			HPF	cal							Yes