HET Night Report Reader

Civil Date	Ephemerides
2026-03-15	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:11	01:56	02:24	11:44	12:12	12:58	11:46	-
Night Length	9:20		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator
Tyler Ryburn / Zach Vanderbosch	Amy Westfall Aiden Dillard

Overlaps		none

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
09:02	-4.2	2.7	11:30	clouds	02:28
Total Time Open					2:28

Program	Night Priority	Science
02:24	Idle due to weather (dust, temperature)

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
09:18	11:02					-5.2	-4.0	-3.5	69	11	First of Night

Problem Reports					no PRs

TO Comments	Poor transparency and seeing after dust dipped low enough to allow us to get on sky.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
0001	Alpha Bright Cal	00:00	85.2			HPF	cal							Yes
0002	LFC FCU	00:03	106.5			HPF	cal							Yes
0003	LFC FCU	00:05	106.5			HPF	cal							Yes
0004	LFC Cal	00:08	106.5			HPF	cal							Yes
0005	LFC Cal	00:10	106.5			HPF	cal							Yes
0006	Etalon Cal	00:13	159.8			HPF	cal							Yes
0007	UNe Slave Cal	00:16	426			HPF	cal							Yes
lrs20000001_01	flat_Qth_R	00:17	15			LRS2	cal							Yes
lrs20000001_02	flat_Qth_R	00:19	15			LRS2	cal							Yes
lrs20000001_03	flat_Qth_R	00:20	15			LRS2	cal							Yes
lrs20000001_04	flat_Qth_R	00:21	15			LRS2	cal							Yes
lrs20000001_05	flat_Qth_R	00:22	15			LRS2	cal							Yes
lrs20000002_01	flat_ldls_long_B	00:23	20			LRS2	cal							Yes
0008	UNe Slave Cal	00:24	426			HPF	cal							Yes
lrs20000002_02	flat_ldls_long_B	00:25	20			LRS2	cal							Yes
lrs20000002_03	flat_ldls_long_B	00:26	20			LRS2	cal							Yes
lrs20000003_01	Cd-A_B	00:27	29			LRS2	cal							Yes
lrs20000003_02	Cd-A_B	00:29	29			LRS2	cal							Yes
lrs20000003_03	Cd-A_B	00:30	29			LRS2	cal							Yes
0009	UNe Slave Cal	00:32	426			HPF	cal							Yes
lrs20000004_01	FeAr_R	00:32	15			LRS2	cal							Yes
lrs20000004_02	FeAr_R	00:33	15			LRS2	cal							Yes
lrs20000004_03	FeAr_R	00:34	15			LRS2	cal							Yes
lrs20000005_01	Hg_R	00:35	20			LRS2	cal							Yes
lrs20000005_02	Hg_R	00:37	20			LRS2	cal							Yes
lrs20000005_03	Hg_R	00:38	20			LRS2	cal							Yes
0010	UNe Slave Cal	00:39	426			HPF	cal							Yes
lrs20000006_01	Hg_B	00:39	15			LRS2	cal							Yes
lrs20000006_02	Hg_B	00:41	15			LRS2	cal							Yes
lrs20000006_03	Hg_B	00:42	15			LRS2	cal							Yes
lrs20000007_01	dark	00:43	360			LRS2	cal							Yes
virus0000001_01	dark	00:43	360			VIRUS	cal							Yes
0011	UNe Slave Cal	00:47	426			HPF	cal							Yes
lrs20000007_02	dark	00:50	360			LRS2	cal							Yes
virus0000001_02	dark	00:50	360			VIRUS	cal							Yes
0012	UNe Slave Cal	00:55	426			HPF	cal							Yes
lrs20000007_03	dark	00:57	360			LRS2	cal							Yes
virus0000001_03	dark	00:57	360			VIRUS	cal							Yes
virus0000002_01	flat_ldls_long	02:02	15			VIRUS	cal							Yes
virus0000002_02	flat_ldls_long	02:03	15			VIRUS	cal							Yes
virus0000002_03	flat_ldls_long	02:05	15			VIRUS	cal							Yes
virus0000003_01	Cd-A	02:06	15			VIRUS	cal							Yes
virus0000003_02	Cd-A	02:08	15			VIRUS	cal							Yes
virus0000003_03	Cd-A	02:09	15			VIRUS	cal							Yes
virus0000004_01	Hg	02:10	15			VIRUS	cal							Yes
virus0000004_02	Hg	02:12	15			VIRUS	cal							Yes
virus0000004_03	Hg	02:13	15			VIRUS	cal							Yes
lrs20000008_01	bias	02:16	0			LRS2	cal							Yes
virus0000005_01	bias	02:16	0			VIRUS	cal							Yes
lrs20000008_02	bias	02:17	0			LRS2	cal							Yes
virus0000005_02	bias	02:17	0			VIRUS	cal							Yes
lrs20000008_03	bias	02:17	0			LRS2	cal							Yes
lrs20000008_04	bias	02:18	0			LRS2	cal							Yes
virus0000005_03	bias	02:18	0			VIRUS	cal							Yes
virus0000005_04	bias	02:19	0			VIRUS	cal							Yes
lrs20000008_05	bias	02:19	0			LRS2	cal							Yes
virus0000005_05	bias	02:20	0			VIRUS	cal							Yes
lrs20000008_06	bias	02:20	0			LRS2	cal							Yes
virus0000005_06	bias	02:21	0			VIRUS	cal							Yes
lrs20000008_07	bias	02:21	0			LRS2	cal							Yes
virus0000005_07	bias	02:21	0			VIRUS	cal							Yes
lrs20000008_08	bias	02:22	0			LRS2	cal							Yes
virus0000005_08	bias	02:22	0			VIRUS	cal							Yes
lrs20000008_09	bias	02:23	0			LRS2	cal							Yes
virus0000005_09	bias	02:23	0			VIRUS	cal							Yes
lrs20000008_10	bias	02:24	0			LRS2	cal							Yes
virus0000005_10	bias	02:24	0			VIRUS	cal							Yes
lrs20000008_11	bias	02:25	0			LRS2	cal							Yes
virus0000005_11	bias	02:25	0			VIRUS	cal							Yes
0013	LFC Cal	03:21	106.5			HPF	cal							Yes
0014	LFC Cal	03:23	106.5			HPF	cal							Yes
0015	LFC Cal	03:25	106.5			HPF	cal							Yes
virus0000006_01	bias	03:36	0			VIRUS	cal							Yes
virus0000007_01	dark	03:40	360			VIRUS	cal							Yes
virus0000008_01	bias	04:01	0			VIRUS	cal							Yes
0016	LFC Cal	04:25	106.5			HPF	cal							Yes
0017	LFC Cal	04:27	106.5			HPF	cal							Yes
0018	LFC Cal	04:29	106.5			HPF	cal							Yes
0019	LFC Cal	04:38	106.5			HPF	cal							Yes
0020	LFC Cal	04:41	106.5			HPF	cal							Yes
0021	LFC Cal	04:43	106.5			HPF	cal							Yes
0022	LFC Cal	06:52	106.5			HPF	cal							Yes
0023	LFC Cal	06:54	106.5			HPF	cal							Yes
0024	LFC Cal	06:56	106.5			HPF	cal							Yes
0025	LFC Cal	08:19	106.5			HPF	cal							Yes
0026	LFC Cal	08:21	106.5			HPF	cal							Yes
0027	LFC Cal	08:23	106.5			HPF	cal							Yes
virus0000009_01	parallel	11:19	300			VIRUS	sci							Yes
0028	LFC Cal	11:20	106.5			HPF	cal							Yes
lrs20000009_01	parallel	11:20	300	8.0	PSU26-1-003	LRS2-R	sci	3.53		20.58	0.27		poor image quality	No
0029	LFC Cal	11:22	106.5			HPF	cal							Yes
exp01_to.dir	bias	11:30	0			LRS2	cal							Yes
virus0000010_01	bias	11:31	0			VIRUS	cal							Yes
virus0000011_01	Cd-A	11:36	15		ENG26-1-002	VIRUS	cal							Yes
virus0000012_01	Hg	11:37	15		ENG26-1-002	VIRUS	cal							Yes
0030	Dark	11:46	319.5			HPF	cal							Yes
0031	Quartz FCU	11:57	74.5			HPF	cal							Yes
0032	Quartz FCU	11:59	74.5			HPF	cal							Yes
0033	Quartz FCU	12:01	74.5			HPF	cal							Yes
0034	Quartz FCU	12:03	74.5			HPF	cal							Yes
0035	Quartz FCU	12:05	74.5			HPF	cal							Yes
0036	Quartz FCU	12:06	74.5			HPF	cal							Yes
0037	Quartz FCU	12:08	74.5			HPF	cal							Yes
0038	Alpha Bright Cal	12:10	85.2			HPF	cal							Yes
0039	Alpha Bright Cal	12:12	85.2			HPF	cal							Yes
0040	Alpha Bright Cal	12:14	85.2			HPF	cal							Yes
0041	Alpha Bright Cal	12:16	85.2			HPF	cal							Yes
0042	LFC FCU	12:19	106.5			HPF	cal							Yes
0043	LFC FCU	12:21	106.5			HPF	cal							Yes
0044	LFC FCU	12:24	106.5			HPF	cal							Yes
0045	LFC FCU	12:26	106.5			HPF	cal							Yes
0046	LFC FCU	12:28	106.5			HPF	cal							Yes
0047	LFC FCU	12:30	106.5			HPF	cal							Yes
0048	LFC Cal	12:33	106.5			HPF	cal							Yes
0049	LFC Cal	12:36	106.5			HPF	cal							Yes
0050	Etalon Cal	12:43	159.8			HPF	cal							Yes
0051	Etalon Cal	12:47	159.8			HPF	cal							Yes
0052	Etalon Cal	12:50	159.8			HPF	cal							Yes
0053	Etalon Cal	12:53	159.8			HPF	cal							Yes
0054	UNe Slave Cal	12:57	426			HPF	cal							Yes
0055	UNe Slave Cal	13:04	426			HPF	cal							Yes
0056	UNe Slave Cal	13:12	426			HPF	cal							Yes
0057	UNe Slave Cal	13:20	426			HPF	cal							Yes
0058	UNe Slave Cal	13:28	426			HPF	cal							Yes
0059	UNe Slave Cal	13:35	426			HPF	cal							Yes
0088	LFC Cal	22:55	106.5			HPF	cal							Yes
virus0009900_01	flat_Qth	23:07	20			VIRUS	cal							Yes
virus0009901_01	bias	23:09	0			VIRUS	cal							Yes
virus0009902_01	dark	23:10	15			VIRUS	cal							Yes
lrs20009920_01	bias	23:23	0			LRS2	cal							Yes
virus0009920_01	flat_Qth	23:24	20			VIRUS	cal							Yes
virus0009921_01	bias	23:26	0			VIRUS	cal							Yes
lrs20009921_01	flat_ldls_long_B	23:26	20			LRS2	cal							Yes
virus0009922_01	dark	23:28	15			VIRUS	cal							Yes
lrs20009922_01	Cd-A_B	23:29	29			LRS2	cal							Yes
lrs20009923_01	FeAr_R	23:30	15			LRS2	cal							Yes
lrs20009924_01	Hg_B	23:31	15			LRS2	cal							Yes
0089	Dark	23:35	319.5			HPF	cal							Yes
0090	Quartz FCU	23:41	74.5			HPF	cal							Yes
0091	Quartz FCU	23:43	74.5			HPF	cal							Yes
0092	Quartz FCU	23:45	74.5			HPF	cal							Yes
0093	Quartz FCU	23:46	74.5			HPF	cal							Yes
0094	Quartz FCU	23:48	74.5			HPF	cal							Yes
0095	Quartz FCU	23:50	74.5			HPF	cal							Yes
0096	Quartz FCU	23:52	74.5			HPF	cal							Yes
0097	Alpha Bright Cal	23:54	85.2			HPF	cal							Yes
0098	Alpha Bright Cal	23:56	85.2			HPF	cal							Yes
0099	Alpha Bright Cal	23:58	85.2			HPF	cal							Yes