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
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

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	QID 2984	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	QID 2984	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	QID 1693	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	QID 1694	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	QID 390	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	QID 390	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	QID 390	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	QID 381	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	QID 381	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	QID 381	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	QID 372	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	QID 372	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	QID 372	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	QID 2994	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	QID 141	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	QID 141	05:55	308.9	0.9	UT26-1-009	HPF	sci	1.42	1.06	19.05	0.90	225		No
0025	QID 141	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	QID 3012	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	QID 3007	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	QID 3007	07:05	617.7	0.7	UT26-1-007	HPF	sci	1.53	1.17	19.48	0.89	63		Yes
0032	QID 3007	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	QID 2987	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	QID 2987	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	QID 2990	08:22	969.1	5.8	UT26-1-010	HPF	sci	1.60	1.13	19.35	0.68	59		Yes
0038	QID 2990	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	QID 1835	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	QID 2998	09:14	969.1	6.8	PSU26-1-023	HPF	sci	2.00	1.33	19.00	0.84	50		Yes
0042	QID 2998	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	QID 2991	10:27	969.1	6.8	UT26-1-010	HPF	sci	2.00	1.48	19.42	0.75	214		Yes
0045	QID 2991	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	QID 2975	11:06	969.1	5.8	UT26-1-010	HPF	sci	2.31	1.76	19.45	0.93	117		Yes
0048	QID 2975	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	QID 2823	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	QID 1875	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