HET Night Report Reader

Civil Date	Ephemerides
2026-03-23	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:16	02:01	02:30	11:34	12:02	12:48	-	06:41
Night Length	9:04		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator
Tyler Ryburn / Zach Vanderbosch	Justen Pautzke

Overlaps		none

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
01:10	16.0	16.5	12:08	twilight	10:58
Total Time Open					10:58

Program	Night Priority	Science
02:30	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
01:41	02:32	0.55	1.00	120	-5247	14.1	15.2	15.5	146	11	First of Night
↪ Comments			Dome cooler than truss by 1.5C at start of stack.
11:59	12:06	1.06	1.77	105	-4871	18.0	17.6	17.5	239	11	Post-Observing

Problem Reports
PR Number	Times	Time Lost	Description	Response
6328	01:48-01:51	00:03	Pistoned segment 4:3 by +20um to fix donut.
6656	12:06-12:07	00:01	EON Tasks reporting "ENG-002" rather than "ENG26-1-002"	NR has been left incorrect for evaluation.

TO Comments	Clear and a little breezy.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
lrs20000028_02	dark	00:01	360			LRS2	cal							Yes
virus0000026_02	dark	00:01	360			VIRUS	cal							Yes
lrs20000028_03	dark	00:08	360			LRS2	cal							Yes
virus0000026_03	dark	00:08	360			VIRUS	cal							Yes
lrs20000001_01	skyflat	01:21	7			LRS2	cal							Yes
lrs20000002_01	skyflat	01:22	10			LRS2	cal							Yes
lrs20000003_01	skyflat	01:23	13			LRS2	cal							Yes
lrs20000004_01	skyflat	01:24	16			LRS2	cal							Yes
lrs20000005_01	skyflat	01:25	22			LRS2	cal							Yes
lrs20000006_01	skyflat	01:27	30			LRS2	cal							Yes
virus0000001_01	skyflat	01:29	7			VIRUS	cal							Yes
virus0000002_01	skyflat	01:31	10			VIRUS	cal							Yes
virus0000003_01	skyflat	01:32	14			VIRUS	cal							Yes
virus0000004_01	skyflat	01:33	18			VIRUS	cal							Yes
virus0000005_01	skyflat	01:35	26			VIRUS	cal							Yes
virus0000006_01	bias	01:40	0			VIRUS	cal							Yes
virus0000007_01	dark	01:41	360			VIRUS	cal							Yes
virus0000008_01	bias	01:50	0			VIRUS	cal							Yes
virus0000009_01	dark	01:55	10			VIRUS	cal							Yes
virus0000010_01	bias	01:56	0			VIRUS	cal							Yes
0001	parallel	02:38	532.5	6.1	UT26-1-014	HPF	sci	1.52		19.58	0.88	494		P4
virus0000011_01	parallel	02:38	583			VIRUS	sci							Yes
0002	LFC Cal	02:49	106.5			HPF	cal							Yes
lrs20000007_01	BD+292091_056_E	02:53	60	6.0		LRS2	spec	1.56		20.84	0.42			Yes
lrs20000008_01	BD+292091_066_E	02:57	60	3.0		LRS2	spec	1.55		19.98	0.41			Yes
0003	HR4131_tell_std	03:04	330.2	5.5		HPF	telluric	1.42		19.46	0.54			Yes
0004	parallel	03:15	969.1	5.8	PSU26-1-019	HPF	sci	1.37	1.01	19.81	0.46	185	Sky conditions poorer than expected, but SNR still reasonable. Please reject target if not acceptable.	P4
virus0000012_01	parallel	03:15	2047			VIRUS	sci							Yes
0005	parallel	03:32	969.1	0.8	PSU26-1-019	HPF	sci	1.43	1.17	19.73	0.47	154	Sky conditions poorer than expected, but SNR still reasonable. Please reject target if not acceptable.	P4
0006	LFC Cal	03:50	106.5			HPF	cal							Yes
0007	parallel	03:57	245	8.9	UT26-1-010	HPF	sci	1.37	1.12	19.28	0.81	294		P4
virus0000013_01	parallel	03:57	2337			VIRUS	sci							Yes
0008	parallel	04:02	245	0.9	UT26-1-010	HPF	sci	1.37	1.09	19.74	0.96	367		P4
0009	parallel	04:07	245	0.9	UT26-1-010	HPF	sci	1.41	1.19	19.81	0.96	384		P4
0010	parallel	04:11	245	-0.1	UT26-1-010	HPF	sci	1.44	1.25	19.83	0.95	390		P4
0011	parallel	04:16	245	0.9	UT26-1-010	HPF	sci	1.48	1.16	19.83	0.94	384		P4
0012	parallel	04:21	245	0.9	UT26-1-010	HPF	sci	1.61	1.54	19.81	0.94	381		P4
0013	parallel	04:25	245	-0.1	UT26-1-010	HPF	sci	1.62	1.42	19.81	0.94	366		P4
0014	parallel	04:30	245	0.9	UT26-1-010	HPF	sci	1.63	1.41	19.80	0.95	386		P4
0015	LFC Cal	04:36	106.5			HPF	cal							Yes
0016	parallel	04:42	308.9	7.9	UT26-1-009	HPF	sci	1.71	1.41	19.77	0.85	238		Yes
virus0000014_01	parallel	04:42	1417			VIRUS	sci							Yes
0017	parallel	04:48	308.9	0.9	UT26-1-009	HPF	sci	1.60	1.12	20.00	0.94	288		Yes
0018	parallel	04:54	308.9	0.9	UT26-1-009	HPF	sci	1.57	1.10	20.08	0.96	316		Yes
0019	parallel	05:00	308.9	1.9	UT26-1-009	HPF	sci	1.70	1.23	20.18	0.95	271		Yes
virus0000015_01	parallel	05:15	2479			VIRUS	sci							Yes
0020	parallel	05:16	766.8	10.2	UT26-1-005	HPF	sci	1.45	1.21	20.03	0.42	40		Yes
0021	parallel	05:29	766.8	0.2	UT26-1-005	HPF	sci	1.62	1.25	20.28	0.58	55		Yes
0022	parallel	05:43	766.8	1.2	UT26-1-005	HPF	sci	1.72	1.27	20.21	0.55	54		Yes
0023	parallel	06:02	809.4	6.5	UT26-1-005	HPF	sci	1.79	1.52	20.27	1.07	67		Yes
virus0000016_01	parallel	06:02	1717			VIRUS	sci							Yes
0024	parallel	06:17	809.4	0.5	UT26-1-005	HPF	sci	1.71	1.29	19.91	0.97	49	Observed sequence as soon as possible at the beginning of the track, but ran out of track with about 140s left in last exposure. Please review data quality.	Yes
0025	LFC Cal	06:39	106.5			HPF	cal							Yes
lrs20000009_01	parallel	06:39	360			LRS2	sci							Yes
virus0000017_01	parallel	06:39	360	9.0	UT26-1-008	VIRUS	sci	2.02	1.74	22.04	0.59			Yes
0026	LFC Cal	06:41	106.5			HPF	cal							Yes
lrs20000009_02	parallel	06:46	360			LRS2	sci							Yes
virus0000017_02	parallel	06:46	360	1.0	UT26-1-008	VIRUS	sci	1.98	1.49	22.12	0.68			Yes
lrs20000009_03	parallel	06:53	360			LRS2	sci							Yes
virus0000017_03	parallel	06:53	360	1.0	UT26-1-008	VIRUS	sci	2.03	1.58	22.12	0.75			Yes
0027	LFC Cal	07:05	106.5			HPF	cal							Yes
lrs20000010_01	parallel	07:05	360			LRS2	sci							Yes
virus0000018_01	parallel	07:05	360	6.0	UT26-1-008	VIRUS	sci	1.80	1.43	21.78	0.82			Yes
0028	LFC Cal	07:07	106.5			HPF	cal							Yes
lrs20000010_02	parallel	07:12	360			LRS2	sci							Yes
virus0000018_02	parallel	07:12	360	1.0	UT26-1-008	VIRUS	sci	1.65	1.39	21.83	0.79			Yes
lrs20000010_03	parallel	07:19	360			LRS2	sci							Yes
virus0000018_03	parallel	07:19	360	1.0	UT26-1-008	VIRUS	sci	1.64	1.29	21.86	0.77			Yes
virus0000019_01	parallel	07:31	1023			VIRUS	sci							Yes
0029	parallel	07:32	969.1	6.8	PSU26-1-007	HPF	sci	1.85	1.49	20.63	0.77	31		Yes
0030	LFC Cal	07:50	106.5			HPF	cal							Yes
0031	parallel	07:54	340.8	6.3	PSU26-1-010	HPF	sci	1.98	1.04	20.64	0.63	331		P4
virus0000020_01	parallel	07:54	374			VIRUS	sci							Yes
lrs20000011_01	parallel	08:04	360			LRS2	sci							Yes
virus0000021_01	parallel	08:04	360	4.0	UT26-1-008	VIRUS	sci	2.12	1.35	21.62	0.89			Yes
0032	LFC Cal	08:05	106.5			HPF	cal							Yes
0033	LFC Cal	08:07	106.5			HPF	cal							Yes
lrs20000011_02	parallel	08:12	360			LRS2	sci							Yes
virus0000021_02	parallel	08:12	360	2.0	UT26-1-008	VIRUS	sci	2.23	1.36	21.69	0.89			Yes
lrs20000011_03	parallel	08:19	360			LRS2	sci							Yes
virus0000021_03	parallel	08:19	360	1.0	UT26-1-008	VIRUS	sci	2.31	1.43	21.76	0.86			Yes
lrs20000012_01	parallel	08:30	360			LRS2	sci							Yes
virus0000022_01	parallel	08:30	360	5.0	UT26-1-008	VIRUS	sci	2.01	1.67	21.83	0.74			Yes
0034	LFC Cal	08:31	106.5			HPF	cal							Yes
0035	LFC Cal	08:33	106.5			HPF	cal							Yes
lrs20000012_02	parallel	08:38	360			LRS2	sci							Yes
virus0000022_02	parallel	08:38	360	2.0	UT26-1-008	VIRUS	sci	1.97	1.37	21.81	0.69			Yes
lrs20000012_03	parallel	08:45	360			LRS2	sci							Yes
virus0000022_03	parallel	08:45	360	1.0	UT26-1-008	VIRUS	sci	1.98	1.50	21.88	0.84			Yes
0036	LFC Cal	08:54	106.5			HPF	cal							Yes
lrs20000013_01	parallel	08:54	360			LRS2	sci							Yes
virus0000023_01	parallel	08:54	360	3.0	UT26-1-008	VIRUS	sci	1.82	1.29	21.86	0.82			Yes
0037	LFC Cal	08:57	106.5			HPF	cal							Yes
lrs20000013_02	parallel	09:01	360			LRS2	sci							Yes
virus0000023_02	parallel	09:01	360	1.0	UT26-1-008	VIRUS	sci	1.82	1.27	21.87	0.88			Yes
lrs20000013_03	parallel	09:08	360			LRS2	sci							Yes
virus0000023_03	parallel	09:09	360	2.0	UT26-1-008	VIRUS	sci	1.84	1.48	21.87	0.84			Yes
lrs20000014_01	parallel	09:18	360			LRS2	sci							Yes
virus0000024_01	parallel	09:18	360	3.0	UT26-1-008	VIRUS	sci	1.83	1.23	21.85	0.82			Yes
0038	LFC Cal	09:19	106.5			HPF	cal							Yes
0039	LFC Cal	09:21	106.5			HPF	cal							Yes
lrs20000014_02	parallel	09:26	360			LRS2	sci							Yes
virus0000024_02	parallel	09:26	360	2.0	UT26-1-008	VIRUS	sci	1.90	1.40	21.84	0.80			Yes
lrs20000014_03	parallel	09:33	360			LRS2	sci							Yes
virus0000024_03	parallel	09:33	360	1.0	UT26-1-008	VIRUS	sci	1.91	1.38	21.84	0.77			Yes
virus0000025_01	parallel	09:44	1060			VIRUS	sci							Yes
0040	parallel	09:45	308.9	5.9	UT26-1-009	HPF	sci	1.66	1.28	20.45	0.92	301		P4
0041	parallel	09:51	308.9	0.9	UT26-1-009	HPF	sci	1.63	1.31	20.43	0.93	320		P4
0042	parallel	09:56	308.9	0.9	UT26-1-009	HPF	sci	1.64	1.39	20.42	0.91	316		P4
0043	LFC Cal	10:06	106.5			HPF	cal							Yes
virus0000026_01	parallel	10:06	1200			VIRUS	sci							Yes
lrs20000015_01	parallel	10:06	1200	4.0	UT26-1-002	LRS2-R	sci	1.73	1.61	20.95	0.88			Yes
0044	LFC Cal	10:08	106.5			HPF	cal							Yes
0045	LFC Cal	10:11	106.5			HPF	cal							Yes
0046	LFC Cal	10:30	106.5			HPF	cal							Yes
virus0000027_01	parallel	10:30	1200			VIRUS	sci							Yes
lrs20000016_01	parallel	10:30	1200	4.0	UT26-1-002	LRS2-B	sci	1.90	1.34	21.97	0.94			Yes
0047	LFC Cal	10:33	106.5			HPF	cal							Yes
0048	LFC Cal	10:35	106.5			HPF	cal							Yes
0049	parallel	10:56	969.1	5.8	PSU26-1-007	HPF	sci	1.83	1.24	20.46	0.81	7		Yes
virus0000028_01	parallel	10:56	1023			VIRUS	sci							Yes
0050	LFC Cal	11:14	106.5			HPF	cal							Yes
virus0000029_01	parallel	11:19	1023			VIRUS	sci							Yes
0051	parallel	11:20	969.1	7.8	UT26-1-014	HPF	sci	1.99	1.19	20.09	0.88	260		Yes
0052	LFC Cal	11:38	106.5			HPF	cal							Yes
0053	parallel	11:42	415.4	6.1	UT26-1-014	HPF	sci	1.89	1.35	20.16	0.92	207		Yes
virus0000030_01	parallel	11:42	451			VIRUS	sci							Yes
0054	LFC Cal	11:51	106.5			HPF	cal							Yes
0055	LFC Cal	11:55	106.5			HPF	cal							Yes
lrs20000017_01	parallel	11:55	240	6.0	PSU26-1-014	LRS2-B	sci	2.03	1.12	20.00	0.85			P4
lrs20000018_01	bias	12:01	0			LRS2	cal							Yes
virus0000031_01	bias	12:01	0			VIRUS	cal							Yes
virus0000032_01	Cd-A	12:06	15		ENG26-1-002	VIRUS	cal							Yes
virus0000033_01	Hg	12:07	15		ENG26-1-002	VIRUS	cal							Yes
0056	Dark	12:17	319.5			HPF	cal							Yes
0057	Quartz FCU	12:28	74.5			HPF	cal							Yes
0058	Quartz FCU	12:30	74.5			HPF	cal							Yes
0059	Quartz FCU	12:32	74.5			HPF	cal							Yes
0060	Quartz FCU	12:33	74.5			HPF	cal							Yes
0061	Quartz FCU	12:35	74.5			HPF	cal							Yes
0062	Quartz FCU	12:37	74.5			HPF	cal							Yes
0063	Quartz FCU	12:39	74.5			HPF	cal							Yes
0064	Alpha Bright Cal	12:41	85.2			HPF	cal							Yes
0065	Alpha Bright Cal	12:43	85.2			HPF	cal							Yes
0066	Alpha Bright Cal	12:45	85.2			HPF	cal							Yes
0067	Alpha Bright Cal	12:47	85.2			HPF	cal							Yes
0068	LFC FCU	12:50	106.5			HPF	cal							Yes
0069	LFC FCU	12:52	106.5			HPF	cal							Yes
0070	LFC FCU	12:54	106.5			HPF	cal							Yes
0071	LFC FCU	12:57	106.5			HPF	cal							Yes
0072	LFC FCU	12:59	106.5			HPF	cal							Yes
0073	LFC FCU	13:01	106.5			HPF	cal							Yes
0074	LFC Cal	13:04	106.5			HPF	cal							Yes
0075	LFC Cal	13:07	106.5			HPF	cal							Yes
0076	Etalon Cal	13:14	159.8			HPF	cal							Yes
0077	Etalon Cal	13:17	159.8			HPF	cal							Yes
0078	Etalon Cal	13:21	159.8			HPF	cal							Yes
0079	Etalon Cal	13:24	159.8			HPF	cal							Yes
0080	UNe Slave Cal	13:27	426			HPF	cal							Yes
0081	UNe Slave Cal	13:35	426			HPF	cal							Yes
0082	UNe Slave Cal	13:43	426			HPF	cal							Yes
0083	UNe Slave Cal	13:51	426			HPF	cal							Yes
0084	UNe Slave Cal	13:58	426			HPF	cal							Yes
0085	UNe Slave Cal	14:06	426			HPF	cal							Yes
0080	LFC Cal	22:04	106.5			HPF	cal							Yes
lrs20009949_01	bias	22:07	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	22:08	20			VIRUS	cal							Yes
virus0009901_01	bias	22:09	0			VIRUS	cal							Yes
lrs20009950_01	flat_ldls_long_B	22:10	20			LRS2	cal							Yes
virus0009902_01	dark	22:11	15			VIRUS	cal							Yes
lrs20009951_01	Cd-A_B	22:12	29			LRS2	cal							Yes
lrs20009952_01	FeAr_R	22:14	15			LRS2	cal							Yes
lrs20009953_01	Hg_B	22:15	15			LRS2	cal							Yes
0081	Dark	22:18	319.5			HPF	cal							Yes
0082	Quartz FCU	22:24	74.5			HPF	cal							Yes
0083	Quartz FCU	22:26	74.5			HPF	cal							Yes
0084	Quartz FCU	22:28	74.5			HPF	cal							Yes
0085	Quartz FCU	22:30	74.5			HPF	cal							Yes
0086	Quartz FCU	22:31	74.5			HPF	cal							Yes
0087	Quartz FCU	22:33	74.5			HPF	cal							Yes
0088	Quartz FCU	22:35	74.5			HPF	cal							Yes
0089	Alpha Bright Cal	22:37	85.2			HPF	cal							Yes
0090	Alpha Bright Cal	22:39	85.2			HPF	cal							Yes
0091	Alpha Bright Cal	22:41	85.2			HPF	cal							Yes
0092	Alpha Bright Cal	22:43	85.2			HPF	cal							Yes
0093	LFC FCU	22:46	106.5			HPF	cal							Yes
0094	LFC FCU	22:48	106.5			HPF	cal							Yes
0095	LFC Cal	22:51	106.5			HPF	cal							Yes
0096	LFC Cal	22:53	106.5			HPF	cal							Yes
0097	Etalon Cal	22:56	159.8			HPF	cal							Yes
0098	UNe Slave Cal	23:00	426			HPF	cal							Yes
lrs20000021_01	flat_Qth_R	23:01	15			LRS2	cal							Yes
lrs20000021_02	flat_Qth_R	23:03	15			LRS2	cal							Yes
lrs20000021_03	flat_Qth_R	23:04	15			LRS2	cal							Yes
lrs20000021_04	flat_Qth_R	23:05	15			LRS2	cal							Yes
lrs20000021_05	flat_Qth_R	23:06	15			LRS2	cal							Yes
0099	UNe Slave Cal	23:07	426			HPF	cal							Yes
lrs20000022_01	flat_ldls_long_B	23:07	20			LRS2	cal							Yes
lrs20000022_02	flat_ldls_long_B	23:09	20			LRS2	cal							Yes
lrs20000022_03	flat_ldls_long_B	23:10	20			LRS2	cal							Yes
lrs20000023_01	Cd-A_B	23:11	29			LRS2	cal							Yes
lrs20000023_02	Cd-A_B	23:13	29			LRS2	cal							Yes
lrs20000023_03	Cd-A_B	23:14	29			LRS2	cal							Yes
0100	UNe Slave Cal	23:15	426			HPF	cal							Yes
lrs20000024_01	FeAr_R	23:16	15			LRS2	cal							Yes
lrs20000024_02	FeAr_R	23:17	15			LRS2	cal							Yes
lrs20000024_03	FeAr_R	23:18	15			LRS2	cal							Yes
lrs20000025_01	Hg_R	23:20	20			LRS2	cal							Yes
lrs20000025_02	Hg_R	23:21	20			LRS2	cal							Yes
lrs20000025_03	Hg_R	23:22	20			LRS2	cal							Yes
0101	UNe Slave Cal	23:23	426			HPF	cal							Yes
lrs20000026_01	Hg_B	23:23	15			LRS2	cal							Yes
lrs20000026_02	Hg_B	23:25	15			LRS2	cal							Yes
lrs20000026_03	Hg_B	23:26	15			LRS2	cal							Yes
0102	UNe Slave Cal	23:31	426			HPF	cal							Yes
virus0000022_01	flat_ldls_long	23:32	15			VIRUS	cal							Yes
virus0000022_02	flat_ldls_long	23:34	15			VIRUS	cal							Yes
virus0000022_03	flat_ldls_long	23:35	15			VIRUS	cal							Yes
virus0000023_01	Cd-A	23:37	15			VIRUS	cal							Yes
0103	UNe Slave Cal	23:38	426			HPF	cal							Yes
virus0000023_02	Cd-A	23:38	15			VIRUS	cal							Yes
virus0000023_03	Cd-A	23:39	15			VIRUS	cal							Yes
virus0000024_01	Hg	23:41	15			VIRUS	cal							Yes
virus0000024_02	Hg	23:42	15			VIRUS	cal							Yes
virus0000024_03	Hg	23:44	15			VIRUS	cal							Yes
lrs20000027_01	bias	23:45	0			LRS2	cal							Yes
virus0000025_01	bias	23:45	0			VIRUS	cal							Yes
lrs20000027_02	bias	23:46	0			LRS2	cal							Yes
virus0000025_02	bias	23:46	0			VIRUS	cal							Yes
lrs20000027_03	bias	23:47	0			LRS2	cal							Yes
virus0000025_03	bias	23:47	0			VIRUS	cal							Yes
lrs20000027_04	bias	23:47	0			LRS2	cal							Yes
lrs20000027_05	bias	23:48	0			LRS2	cal							Yes
virus0000025_04	bias	23:48	0			VIRUS	cal							Yes
virus0000025_05	bias	23:49	0			VIRUS	cal							Yes
lrs20000027_06	bias	23:49	0			LRS2	cal							Yes
virus0000025_06	bias	23:49	0			VIRUS	cal							Yes
lrs20000027_07	bias	23:50	0			LRS2	cal							Yes
virus0000025_07	bias	23:50	0			VIRUS	cal							Yes
lrs20000027_08	bias	23:51	0			LRS2	cal							Yes
virus0000025_08	bias	23:51	0			VIRUS	cal							Yes
lrs20000027_09	bias	23:52	0			LRS2	cal							Yes
virus0000025_09	bias	23:52	0			VIRUS	cal							Yes
lrs20000027_10	bias	23:53	0			LRS2	cal							Yes
lrs20000027_11	bias	23:53	0			LRS2	cal							Yes
virus0000025_10	bias	23:53	0			VIRUS	cal							Yes
virus0000025_11	bias	23:54	0			VIRUS	cal							Yes
lrs20000028_01	dark	23:54	360			LRS2	cal							Yes
virus0000026_01	dark	23:55	360			VIRUS	cal							Yes