HET Night Report Reader

Civil Date	Ephemerides
2026-03-06	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:05	01:50	02:18	11:55	12:23	13:09	04:24	-
Night Length	9:37		Sunset Temperature

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

Overlaps
TO Overlap	RA Overlap
Amy Westfall	-

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
01:05	16.6	14.8	12:21	twilight	11:16
Total Time Open					11:16

Program	Night Priority	Science
02:18	Science
03:31	Idle due to weather (Poor IQ)
03:56	Science
04:29	Idle due to weather (Clouds)
06:19	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
01:31	02:09	0.57	1.12	95	-5007	15.4	15.0	14.9	156	6	First of Night
↪ Comments			PR#6328
04:48	05:21	0.49	0.85	55	-2574	12.3	12.6	12.5	23	7	Stack/Re-stack
09:48	09:55	0.98	1.44	55	-2197	10.3	10.8	10.8	13	11	Post-Observing
09:56	10:20	0.45	0.76	75	-1547	10.3	10.6	10.7	3	8	Stack/Re-stack
12:15	12:18	0.94	1.	335	-1547	7.8	8.7	8.9	6	7	Post-Observing

Problem Reports
PR Number	Times	Time Lost	Description	Response
6627	02:05-02:10	00:05	Dust spike
6328	01:31-01:45	00:14	Pistoned 4:7 and 4:3 by +40 and +20 total

Ops Comments	none

TO Comments	Some clouds and bad seeing. DMI worked at CCAS but OTT kept complaining of "X minutes since last DMI reading". WFS was getting GRoC corrections though. Maybe a TCS communication thing? Perhaps TCS restart on next OPs will fix it.

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	00:01	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
lrs20000002_01	flat_ldls_long_B	00:08	20			LRS2	cal							Yes
0002	UNe Slave Cal	00:09	426			HPF	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	00:17	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	00:26	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	00:38	15			VIRUS	cal							Yes
virus0000002_02	Cd-A	00:39	15			VIRUS	cal							Yes
0006	UNe Slave Cal	00:40	426			HPF	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
virus0000004_02	bias	00:47	0			VIRUS	cal							Yes
lrs20000007_03	bias	00:47	0			LRS2	cal							Yes
virus0000004_03	bias	00:48	0			VIRUS	cal							Yes
lrs20000007_04	bias	00:48	0			LRS2	cal							Yes
virus0000004_04	bias	00:48	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	00:53	0			LRS2	cal							Yes
virus0000004_10	bias	00:54	0			VIRUS	cal							Yes
lrs20000007_11	bias	00:54	0			LRS2	cal							Yes
virus0000004_11	bias	00:55	0			VIRUS	cal							Yes
lrs20000008_01	skyflat	01:09	7			LRS2	cal							Yes
lrs20000009_01	skyflat	01:11	10			LRS2	cal							Yes
lrs20000010_01	skyflat	01:12	13			LRS2	cal							Yes
lrs20000011_01	skyflat	01:13	16			LRS2	cal							Yes
lrs20000012_01	skyflat	01:14	22			LRS2	cal							Yes
lrs20000013_01	skyflat	01:15	30			LRS2	cal							Yes
virus0000005_01	skyflat	01:18	7			VIRUS	cal							Yes
virus0000006_01	skyflat	01:19	10			VIRUS	cal							Yes
virus0000007_01	skyflat	01:20	14			VIRUS	cal							Yes
virus0000008_01	skyflat	01:22	18			VIRUS	cal							Yes
virus0000009_01	skyflat	01:23	26			VIRUS	cal							Yes
lrs20000014_01	dark	01:28	360			LRS2	cal							Yes
virus0000010_01	dark	01:28	360			VIRUS	cal							Yes
lrs20000014_02	dark	01:34	360			LRS2	cal							Yes
virus0000010_02	dark	01:34	360			VIRUS	cal							Yes
lrs20000014_03	dark	01:41	360			LRS2	cal							Yes
virus0000010_03	dark	01:41	360			VIRUS	cal							Yes
0007	parallel	02:14	969.1	3.8	UT26-1-010	HPF	sci	1.91	1.51	19.93	0.88	67		Yes
virus0000011_01	parallel	02:14	2047			VIRUS	sci							Yes
0008	parallel	02:31	969.1	0.8	UT26-1-010	HPF	sci	1.80	1.40	19.93	0.85	78		Yes
0009	LFC Cal	02:49	106.5			HPF	cal							Yes
0010	LFC Cal	02:53	106.5			HPF	cal							Yes
virus0000012_01	parallel	02:53	360			VIRUS	sci							Yes
lrs20000015_01	parallel	02:53	360	6.0	UT26-1-016	LRS2-R	sci	1.62	1.06	20.29	0.87			P4
0011	LFC Cal	02:55	106.5			HPF	cal							Yes
0012	LFC Cal	03:03	106.5			HPF	cal							Yes
lrs20000016_01	parallel	03:03	180	4.0	UT26-1-016	LRS2-B	sci	1.76	1.38	21.48	0.61			P4
0013	LFC Cal	03:11	106.5			HPF	cal							Yes
lrs20000017_01	parallel	03:11	360			LRS2	sci							Yes
virus0000013_01	parallel	03:11	360	5.0	UT26-1-008	VIRUS	sci	2.17	2.00	21.65	0.79		Seeing slightly above 2.25 arcsec during 2nd and 3rd exposures. Please check data quality and reject if needed.	Yes
0014	LFC Cal	03:13	106.5			HPF	cal							Yes
lrs20000017_02	parallel	03:18	360			LRS2	sci							Yes
virus0000013_02	parallel	03:18	360	1.0	UT26-1-008	VIRUS	sci	2.38	2.16	21.65	0.80			Yes
lrs20000017_03	parallel	03:25	360			LRS2	sci							Yes
virus0000013_03	parallel	03:25	360	1.0	UT26-1-008	VIRUS	sci	2.38	2.00	21.69	0.79			Yes
0015	LFC Cal	03:36	106.5			HPF	cal							Yes
lrs20000018_01	parallel	03:36	360			LRS2	sci							Yes
virus0000014_01	parallel	03:36	360	5.0	UT26-1-008	VIRUS	sci	2.77	1.77	21.60	0.86		Seeing degraded during exposure sequence.	No
0016	LFC Cal	03:38	106.5			HPF	cal							Yes
lrs20000018_02	parallel	03:43	360			LRS2	sci							Yes
virus0000014_02	parallel	03:43	360	1.0	UT26-1-008	VIRUS	sci	2.57	2.17	21.61	0.87			No
lrs20000018_03	parallel	03:50	360			LRS2	sci							Yes
virus0000014_03	parallel	03:50	360	1.0	UT26-1-008	VIRUS	sci	2.34	1.71	21.64	0.89			No
0017	LFC Cal	03:59	106.5			HPF	cal							Yes
lrs20000019_01	parallel	03:59	360			LRS2	sci							Yes
virus0000015_01	parallel	03:59	360	3.0	UT26-1-008	VIRUS	sci	2.33	1.32	21.75	0.90		Image quality slightly above 2.25" during first exposure. Please check data and reject if needed.	Yes
0018	LFC Cal	04:01	106.5			HPF	cal							Yes
lrs20000019_02	parallel	04:06	360			LRS2	sci							Yes
virus0000015_02	parallel	04:06	360	1.0	UT26-1-008	VIRUS	sci	2.03	1.27	21.67	0.91			Yes
lrs20000019_03	parallel	04:13	360			LRS2	sci							Yes
virus0000015_03	parallel	04:13	360	1.0	UT26-1-008	VIRUS	sci	2.03	1.40	21.47	0.92			Yes
0019	HR2198_tell_std	04:27	117.2	8.0		HPF	telluric	2.06	1.39	20.14	0.93			Yes
virus0000016_01	parallel	04:36	2083			VIRUS	sci							Yes
0020	parallel	04:37	649.6	8.2	PSU26-1-023	HPF	sci	2.04		19.26	0.54	109	Low transparency, sudden cloud cover. Aborted after first exposure.	No
0021	LFC Cal	04:49	106.5			HPF	cal							Yes
0022	LFC Cal	05:22	106.5			HPF	cal							Yes
virus0000017_01	parallel	05:48	1060			VIRUS	sci							Yes
0023	parallel	05:49	308.9	3.9	UT26-1-009	HPF	sci	1.33	0.90	18.97	0.91	334	Low transparency, thick clouds during last exposure.	No
0024	parallel	05:55	308.9	0.9	UT26-1-009	HPF	sci	1.42	1.06	19.05	0.90	225		No
0025	parallel	06:00	308.9	0.9	UT26-1-009	HPF	sci	1.59	1.22	17.17	0.20	39		No
0026	LFC Cal	06:22	106.5			HPF	cal							Yes
virus0000018_01	parallel	06:22	1500			VIRUS	sci							Yes
lrs20000020_01	parallel	06:22	1500	3.0	UT26-1-002	LRS2-B	sci	1.56	1.17	19.10	0.92			Yes
0027	LFC Cal	06:25	106.5			HPF	cal							Yes
0028	LFC Cal	06:27	106.5			HPF	cal							Yes
0029	LFC Cal	06:48	106.5			HPF	cal							Yes
0030	parallel	06:53	617.7	6.7	UT26-1-007	HPF	sci	1.58	1.03	19.50	0.85	53		Yes
virus0000019_01	parallel	06:53	1984			VIRUS	sci							Yes
0031	parallel	07:05	617.7	0.7	UT26-1-007	HPF	sci	1.53	1.17	19.48	0.89	63		Yes
0032	parallel	07:16	617.7	0.7	UT26-1-007	HPF	sci	1.57	1.45	19.37	0.88	52		Yes
0033	LFC Cal	07:28	106.5			HPF	cal							Yes
lrs20000021_01	BD+262606_056_E	07:35	60	9.0		LRS2	spec	1.53	1.09	19.11	0.53			Yes
lrs20000022_01	BD+262606_066_E	07:38	30	2.5		LRS2	spec	1.49	1.33	18.66	0.74			Yes
0034	parallel	07:43	969.1	3.8	UT26-1-010	HPF	sci	1.55	1.40	18.57	0.90	61		Yes
virus0000020_01	parallel	07:43	2047			VIRUS	sci							Yes
0035	parallel	08:00	969.1	0.8	UT26-1-010	HPF	sci	1.52	1.11	18.85	0.91	69		Yes
0036	LFC Cal	08:18	106.5			HPF	cal							Yes
virus0000021_01	parallel	08:21	2047			VIRUS	sci							Yes
0037	parallel	08:22	969.1	5.8	UT26-1-010	HPF	sci	1.60	1.13	19.35	0.68	59		Yes
0038	parallel	08:39	969.1	0.8	UT26-1-010	HPF	sci	1.55	1.94	19.43	0.72	62		Yes
0039	LFC Cal	08:57	106.5			HPF	cal							Yes
0040	parallel	09:01	340.8	6.3	PSU26-1-010	HPF	sci	1.85	1.29	19.14	0.67	402		P4
virus0000022_01	parallel	09:01	374			VIRUS	sci							Yes
virus0000023_01	parallel	09:13	2047			VIRUS	sci							Yes
0041	parallel	09:14	969.1	6.8	PSU26-1-023	HPF	sci	2.00	1.33	19.00	0.84	50		Yes
0042	parallel	09:31	969.1	0.8	PSU26-1-023	HPF	sci	2.17	1.47	18.98	0.86	51		Yes
0043	LFC Cal	09:49	106.5			HPF	cal							Yes
virus0000024_01	parallel	10:26	2047			VIRUS	sci							Yes
0044	parallel	10:27	969.1	6.8	UT26-1-010	HPF	sci	2.00	1.48	19.42	0.75	214		Yes
0045	parallel	10:44	969.1	0.8	UT26-1-010	HPF	sci	2.09	2.29	19.31	0.72	176		Yes
0046	LFC Cal	11:02	106.5			HPF	cal							Yes
virus0000025_01	parallel	11:05	2047			VIRUS	sci							Yes
0047	parallel	11:06	969.1	5.8	UT26-1-010	HPF	sci	2.31	1.76	19.45	0.93	117		Yes
0048	parallel	11:23	969.1	0.8	UT26-1-010	HPF	sci	2.19	1.81	19.55	0.94	130		Yes
0049	LFC Cal	11:41	106.5			HPF	cal							Yes
virus0000026_01	parallel	11:44	400			VIRUS	sci							Yes
0050	LFC Cal	11:45	106.5			HPF	cal							Yes
lrs20000023_01	parallel	11:45	400	5.3	PSU26-1-012	LRS2-B	sci	2.22	2.26	19.45	1.09			Yes
0051	LFC Cal	11:47	106.5			HPF	cal							Yes
0052	LFC Cal	11:49	106.5			HPF	cal							Yes
virus0000027_01	parallel	11:55	1023			VIRUS	sci							Yes
0053	parallel	11:56	969.1	4.8	PSU26-1-007	HPF	sci	2.14	1.83	18.97	0.84	19		Yes
0054	LFC Cal	12:14	106.5			HPF	cal							Yes
lrs20000024_01	bias	12:14	0			LRS2	cal							Yes
virus0000028_01	bias	12:15	0			VIRUS	cal							Yes
virus0000029_01	Cd-A	12:19	15		ENG26-1-002	VIRUS	cal							Yes
virus0000030_01	Hg	12:21	15		ENG26-1-002	VIRUS	cal							Yes
0055	Dark	12:29	319.5			HPF	cal							Yes
0056	Quartz FCU	12:41	74.5			HPF	cal							Yes
0057	Quartz FCU	12:43	74.5			HPF	cal							Yes
0058	Quartz FCU	12:44	74.5			HPF	cal							Yes
0059	Quartz FCU	12:46	74.5			HPF	cal							Yes
0060	Quartz FCU	12:48	74.5			HPF	cal							Yes
0061	Quartz FCU	12:50	74.5			HPF	cal							Yes
0062	Quartz FCU	12:51	74.5			HPF	cal							Yes
0063	Alpha Bright Cal	12:54	85.2			HPF	cal							Yes
0064	Alpha Bright Cal	12:56	85.2			HPF	cal							Yes
0065	Alpha Bright Cal	12:58	85.2			HPF	cal							Yes
0066	Alpha Bright Cal	13:00	85.2			HPF	cal							Yes
0067	LFC FCU	13:02	106.5			HPF	cal							Yes
0068	LFC FCU	13:05	106.5			HPF	cal							Yes
0069	LFC FCU	13:07	106.5			HPF	cal							Yes
0070	LFC FCU	13:09	106.5			HPF	cal							Yes
0071	LFC FCU	13:11	106.5			HPF	cal							Yes
0072	LFC FCU	13:14	106.5			HPF	cal							Yes
0073	LFC Cal	13:17	106.5			HPF	cal							Yes
0074	LFC Cal	13:19	106.5			HPF	cal							Yes
0075	Etalon Cal	13:27	159.8			HPF	cal							Yes
0076	Etalon Cal	13:30	159.8			HPF	cal							Yes
0077	Etalon Cal	13:33	159.8			HPF	cal							Yes
0078	Etalon Cal	13:36	159.8			HPF	cal							Yes
0079	UNe Slave Cal	13:40	426			HPF	cal							Yes
0080	UNe Slave Cal	13:48	426			HPF	cal							Yes
0081	UNe Slave Cal	13:55	426			HPF	cal							Yes
0082	UNe Slave Cal	14:03	426			HPF	cal							Yes
0083	UNe Slave Cal	14:11	426			HPF	cal							Yes
0084	UNe Slave Cal	14:19	426			HPF	cal							Yes
0086	LFC Cal	22:27	106.5			HPF	cal							Yes
lrs20009900_01	bias	22:36	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	22:44	20			VIRUS	cal							Yes
virus0009901_01	bias	22:46	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	22:47	20			LRS2	cal							Yes
virus0009902_01	dark	22:49	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:51	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:58	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	23:01	15			LRS2	cal							Yes
0087	LFC Cal	23:05	106.5			HPF	cal							Yes
0088	LFC Cal	23:13	106.5			HPF	cal							Yes
0089	Dark	23:19	319.5			HPF	cal							Yes
0090	Quartz FCU	23:26	74.5			HPF	cal							Yes
0091	Quartz FCU	23:27	74.5			HPF	cal							Yes
0092	Quartz FCU	23:29	74.5			HPF	cal							Yes
0093	Quartz FCU	23:31	74.5			HPF	cal							Yes
0094	Quartz FCU	23:33	74.5			HPF	cal							Yes
0095	Quartz FCU	23:35	74.5			HPF	cal							Yes
0096	Quartz FCU	23:36	74.5			HPF	cal							Yes
0097	Alpha Bright Cal	23:39	85.2			HPF	cal							Yes
0098	Alpha Bright Cal	23:41	85.2			HPF	cal							Yes
0099	Alpha Bright Cal	23:43	85.2			HPF	cal							Yes
0100	Alpha Bright Cal	23:45	85.2			HPF	cal							Yes
0101	LFC FCU	23:47	106.5			HPF	cal							Yes
0102	LFC FCU	23:49	106.5			HPF	cal							Yes
0103	LFC Cal	23:52	106.5			HPF	cal							Yes
0104	LFC Cal	23:55	106.5			HPF	cal							Yes
0105	Etalon Cal	23:57	159.8			HPF	cal							Yes

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