HET Night Report Reader

Civil Date	Ephemerides
2026-07-15	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	02:08	02:59	03:34	10:29	11:04	11:57	-	03:17
Night Length	6:55		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator	OPS Engineer	Day Ops
Sergey Rostopchin	Justen Pautzke	-	-

Overlaps		none

Other Personnel	Chris Robison, Camilo Nino

Guests	Amelia Wilson (Austin Staff), Nelsen Young

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
01:25	19.2	17.5	06:46	dew point	05:21
Total Time Open					5:21

Program	Night Priority	Science
03:34	Science
06:17	Idle due to weather (high RH)

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
02:39	03:28	0.36	0.57	-386	706	17.8	18.6	18.4	111	9	First of Night
↪ Comments			Stacking demo for software group.

Problem Reports					no PRs

Ops Comments	none

TO Comments	Completed PV set. Called GD and HK about dome conditioning settings. HVAC system left running in current dehumidification mode at the end of the night.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
lrs20000020_02	bias	00:00	0			LRS2	cal							Yes
lrs20000020_03	bias	00:00	0			LRS2	cal							Yes
virus0000022_02	bias	00:00	0			VIRUS	cal							Yes
lrs20000020_04	bias	00:01	0			LRS2	cal							Yes
virus0000022_03	bias	00:01	0			VIRUS	cal							Yes
virus0000022_04	bias	00:02	0			VIRUS	cal							Yes
lrs20000020_05	bias	00:02	0			LRS2	cal							Yes
virus0000022_05	bias	00:03	0			VIRUS	cal							Yes
lrs20000020_06	bias	00:03	0			LRS2	cal							Yes
virus0000022_06	bias	00:03	0			VIRUS	cal							Yes
lrs20000020_07	bias	00:04	0			LRS2	cal							Yes
virus0000022_07	bias	00:04	0			VIRUS	cal							Yes
lrs20000020_08	bias	00:05	0			LRS2	cal							Yes
virus0000022_08	bias	00:05	0			VIRUS	cal							Yes
lrs20000020_09	bias	00:06	0			LRS2	cal							Yes
virus0000022_09	bias	00:06	0			VIRUS	cal							Yes
lrs20000020_10	bias	00:07	0			LRS2	cal							Yes
virus0000022_10	bias	00:07	0			VIRUS	cal							Yes
lrs20000020_11	bias	00:07	0			LRS2	cal							Yes
virus0000022_11	bias	00:08	0			VIRUS	cal							Yes
lrs20000021_01	dark	00:08	360			LRS2	cal							Yes
virus0000023_01	dark	00:09	360			VIRUS	cal							Yes
lrs20000021_02	dark	00:15	360			LRS2	cal							Yes
virus0000023_02	dark	00:15	360			VIRUS	cal							Yes
lrs20000021_03	dark	00:22	360			LRS2	cal							Yes
virus0000023_03	dark	00:22	360			VIRUS	cal							Yes
0001	twilight	02:05	298.2			HPF	cal					580		Yes
lrs20000001_01	skyflat	02:14	7			LRS2	cal							Yes
lrs20000002_01	skyflat	02:15	10			LRS2	cal							Yes
lrs20000003_01	skyflat	02:16	13			LRS2	cal							Yes
lrs20000004_01	skyflat	02:17	16			LRS2	cal							Yes
lrs20000005_01	skyflat	02:18	22			LRS2	cal							Yes
lrs20000006_01	skyflat	02:19	30			LRS2	cal							Yes
virus0000001_01	skyflat	02:23	7			VIRUS	cal							Yes
virus0000002_01	skyflat	02:24	10			VIRUS	cal							Yes
virus0000003_01	skyflat	02:26	14			VIRUS	cal							Yes
virus0000004_01	skyflat	02:27	18			VIRUS	cal							Yes
virus0000005_01	skyflat	02:28	26			VIRUS	cal							Yes
0002	LFC Cal	02:42	106.5			HPF	cal							Yes
0003	LFC Cal	02:44	106.5			HPF	cal							Yes
0004	LFC Cal	02:46	106.5			HPF	cal							Yes
0005	LFC Cal	03:37	106.5			HPF	cal							Yes
lrs20000007_01	parallel	03:37	1000			LRS2	sci							Yes
virus0000006_01	parallel	03:37	1000	8.3	PSU26-2-003	VIRUS	sci	1.53	0.96	22.17	0.97			Yes
0006	LFC Cal	03:40	106.5			HPF	cal							Yes
0007	LFC Cal	03:42	106.5			HPF	cal							Yes
lrs20000007_02	parallel	03:55	1000			LRS2	sci							Yes
virus0000006_02	parallel	03:55	1000	1.3	PSU26-2-003	VIRUS	sci	1.53	0.89	22.18	0.97			Yes
lrs20000007_03	parallel	04:13	1000			LRS2	sci							Yes
virus0000006_03	parallel	04:13	1000	1.3	PSU26-2-003	VIRUS	sci	1.51	0.92	22.16	0.95			Yes
0008	LFC Cal	04:35	106.5			HPF	cal							Yes
lrs20000008_01	parallel	04:35	360			LRS2	sci							Yes
virus0000007_01	parallel	04:35	360	5.0	UT26-2-016	VIRUS	sci	1.69	1.11	22.11	0.80			Yes
0009	LFC Cal	04:37	106.5			HPF	cal							Yes
lrs20000008_02	parallel	04:42	360			LRS2	sci							Yes
virus0000007_02	parallel	04:42	360	1.0	UT26-2-016	VIRUS	sci	1.67	1.68	22.07	0.79			Yes
lrs20000008_03	parallel	04:49	360			LRS2	sci							Yes
virus0000007_03	parallel	04:49	360	1.0	UT26-2-016	VIRUS	sci	1.47	0.99	22.05	0.78			Yes
virus0000008_01	parallel	05:02	350.4			VIRUS	sci							Yes
0010	parallel	05:03	308.9	7.9	PSU26-2-016	HPF	sci	1.49	1.15	20.15	0.89	308		Yes
virus0000009_01	1740346_052_W	05:15	60	7.0		VIRUS	spec	1.92	1.18	22.08	0.83			Yes
virus0000009_02	1740346_052_W	05:17	60	1.0		VIRUS	spec	1.56	1.20	22.09	0.83			Yes
virus0000009_03	1740346_052_W	05:19	60	1.0		VIRUS	spec	1.60	1.11	22.04	0.81			Yes
0011	LFC Cal	05:25	106.5			HPF	cal							Yes
lrs20000009_01	parallel	05:25	1000			LRS2	sci							Yes
virus0000010_01	parallel	05:25	1000	4.3	PSU26-2-003	VIRUS	sci	1.45	1.24	22.01	0.80			Yes
0012	LFC Cal	05:27	106.5			HPF	cal							Yes
0013	LFC Cal	05:30	106.5			HPF	cal							Yes
lrs20000009_02	parallel	05:43	1000			LRS2	sci							Yes
virus0000010_02	parallel	05:43	1000	1.3	PSU26-2-003	VIRUS	sci	1.56		22.00	0.78			Yes
lrs20000009_03	parallel	06:00	1000			LRS2	sci							Yes
virus0000010_03	parallel	06:00	1000	1.3	PSU26-2-003	VIRUS	sci	1.65		21.95	0.79			Yes
0014	parallel	06:25	969.1	7.8	PSU26-2-016	HPF	sci	1.45		20.38	0.79	54	Exp. aborted. Telescope closed by high humidity	No
virus0000011_01	parallel	06:25	3000			VIRUS	sci							Yes
0015	parallel	06:42	969.1	0.8	PSU26-2-016	HPF	sci	1.42		20.39	0.85	8		No
0016	LFC Cal	08:16	106.5			HPF	cal							Yes
0017	LFC Cal	08:18	106.5			HPF	cal							Yes
0018	LFC Cal	08:21	106.5			HPF	cal							Yes
lrs20000010_01	bias	09:44	0			LRS2	cal							Yes
virus0000012_01	bias	09:45	0			VIRUS	cal							Yes
virus0000013_01	Cd-A	09:49	15		ENG26-2-002	VIRUS	cal							Yes
virus0000014_01	Hg	09:50	15		ENG26-2-002	VIRUS	cal							Yes
0019	Dark	09:57	319.5			HPF	cal							Yes
0020	Quartz FCU	10:09	74.5			HPF	cal							Yes
0021	Quartz FCU	10:11	74.5			HPF	cal							Yes
0022	Quartz FCU	10:12	74.5			HPF	cal							Yes
0023	Quartz FCU	10:14	74.5			HPF	cal							Yes
0024	Quartz FCU	10:16	74.5			HPF	cal							Yes
0025	Quartz FCU	10:18	74.5			HPF	cal							Yes
0026	Quartz FCU	10:20	74.5			HPF	cal							Yes
0027	Alpha Bright Cal	10:22	85.2			HPF	cal							Yes
0028	Alpha Bright Cal	10:24	85.2			HPF	cal							Yes
0029	Alpha Bright Cal	10:26	85.2			HPF	cal							Yes
0030	Alpha Bright Cal	10:28	85.2			HPF	cal							Yes
0031	LFC FCU	10:31	106.5			HPF	cal							Yes
0032	LFC FCU	10:33	106.5			HPF	cal							Yes
0033	LFC FCU	10:35	106.5			HPF	cal							Yes
0034	LFC FCU	10:37	106.5			HPF	cal							Yes
0035	LFC FCU	10:40	106.5			HPF	cal							Yes
0036	LFC FCU	10:42	106.5			HPF	cal							Yes
0037	LFC Cal	10:45	106.5			HPF	cal							Yes
0038	LFC Cal	10:47	106.5			HPF	cal							Yes
0039	Etalon Cal	10:55	159.8			HPF	cal							Yes
0040	Etalon Cal	10:58	159.8			HPF	cal							Yes
0041	Etalon Cal	11:01	159.8			HPF	cal							Yes
0042	Etalon Cal	11:05	159.8			HPF	cal							Yes
0043	UNe Slave Cal	11:08	426			HPF	cal							Yes
0044	UNe Slave Cal	11:16	426			HPF	cal							Yes
0045	UNe Slave Cal	11:24	426			HPF	cal							Yes
0046	UNe Slave Cal	11:32	426			HPF	cal							Yes
0047	UNe Slave Cal	11:39	426			HPF	cal							Yes
0048	UNe Slave Cal	11:47	426			HPF	cal							Yes
0060	LFC Cal	22:17	106.5			HPF	cal							Yes
lrs20009900_01	bias	22:21	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	22:22	20			VIRUS	cal							Yes
virus0009901_01	bias	22:23	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	22:24	20			LRS2	cal							Yes
virus0009902_01	dark	22:25	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:26	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:28	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:29	15			LRS2	cal							Yes
0061	Dark	22:32	319.5			HPF	cal							Yes
0062	Quartz FCU	22:39	74.5			HPF	cal							Yes
0063	Quartz FCU	22:41	74.5			HPF	cal							Yes
0064	Quartz FCU	22:43	74.5			HPF	cal							Yes
0065	Quartz FCU	22:44	74.5			HPF	cal							Yes
0066	Quartz FCU	22:46	74.5			HPF	cal							Yes
0067	Quartz FCU	22:48	74.5			HPF	cal							Yes
0068	Quartz FCU	22:50	74.5			HPF	cal							Yes
0069	Alpha Bright Cal	22:52	85.2			HPF	cal							Yes
0070	Alpha Bright Cal	22:54	85.2			HPF	cal							Yes
0071	Alpha Bright Cal	22:56	85.2			HPF	cal							Yes
0072	Alpha Bright Cal	22:58	85.2			HPF	cal							Yes
0073	LFC FCU	23:01	106.5			HPF	cal							Yes
0074	LFC FCU	23:03	106.5			HPF	cal							Yes
0075	LFC Cal	23:06	106.5			HPF	cal							Yes
0076	LFC Cal	23:08	106.5			HPF	cal							Yes
0077	Etalon Cal	23:11	159.8			HPF	cal							Yes
0078	UNe Slave Cal	23:14	426			HPF	cal							Yes
lrs20000014_01	flat_Qth_R	23:15	15			LRS2	cal							Yes
lrs20000014_02	flat_Qth_R	23:16	15			LRS2	cal							Yes
lrs20000014_03	flat_Qth_R	23:18	15			LRS2	cal							Yes
lrs20000014_04	flat_Qth_R	23:19	15			LRS2	cal							Yes
lrs20000014_05	flat_Qth_R	23:20	15			LRS2	cal							Yes
lrs20000015_01	flat_ldls_long_B	23:21	20			LRS2	cal							Yes
0079	UNe Slave Cal	23:22	426			HPF	cal							Yes
lrs20000015_02	flat_ldls_long_B	23:23	20			LRS2	cal							Yes
lrs20000015_03	flat_ldls_long_B	23:24	20			LRS2	cal							Yes
lrs20000016_01	Cd-A_B	23:25	29			LRS2	cal							Yes
lrs20000016_02	Cd-A_B	23:27	29			LRS2	cal							Yes
lrs20000016_03	Cd-A_B	23:28	29			LRS2	cal							Yes
0080	UNe Slave Cal	23:30	426			HPF	cal							Yes
lrs20000017_01	FeAr_R	23:30	15			LRS2	cal							Yes
lrs20000017_02	FeAr_R	23:31	15			LRS2	cal							Yes
lrs20000017_03	FeAr_R	23:32	15			LRS2	cal							Yes
lrs20000018_01	Hg_R	23:33	20			LRS2	cal							Yes
lrs20000018_02	Hg_R	23:35	20			LRS2	cal							Yes
lrs20000018_03	Hg_R	23:36	20			LRS2	cal							Yes
0081	UNe Slave Cal	23:37	426			HPF	cal							Yes
lrs20000019_01	Hg_B	23:37	15			LRS2	cal							Yes
lrs20000019_02	Hg_B	23:39	15			LRS2	cal							Yes
lrs20000019_03	Hg_B	23:40	15			LRS2	cal							Yes
0082	UNe Slave Cal	23:45	426			HPF	cal							Yes
virus0000019_01	flat_ldls_long	23:46	15			VIRUS	cal							Yes
virus0000019_02	flat_ldls_long	23:48	15			VIRUS	cal							Yes
virus0000019_03	flat_ldls_long	23:49	15			VIRUS	cal							Yes
virus0000020_01	Cd-A	23:51	15			VIRUS	cal							Yes
virus0000020_02	Cd-A	23:52	15			VIRUS	cal							Yes
0083	UNe Slave Cal	23:53	426			HPF	cal							Yes
virus0000020_03	Cd-A	23:53	15			VIRUS	cal							Yes
virus0000021_01	Hg	23:55	15			VIRUS	cal							Yes
virus0000021_02	Hg	23:56	15			VIRUS	cal							Yes
virus0000021_03	Hg	23:58	15			VIRUS	cal							Yes
lrs20000020_01	bias	23:59	0			LRS2	cal							Yes
virus0000022_01	bias	23:59	0			VIRUS	cal							Yes

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