HET Night Report Reader

Civil Date	Ephemerides
2026-06-02	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	02:02	02:55	03:30	10:17	10:52	11:46	04:23	-
Night Length	6:47		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator	OPS Engineer	Day Ops
Sergey Rostopchin	Amy Westfall	-	-

Overlaps		none

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
06:12	17.1	17.7	07:01	clouds	00:49
Total Time Open					0:49

Program	Night Priority	Science
03:30	Idle due to weather (heavy overcast, radar)
06:43	Science
06:57	Idle due to weather (clouds)

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
06:14	06:42	0.39	0.61	-410	+2127	16.6	17.4	17.5	67	11	First of Night

Problem Reports					no PRs

Ops Comments	none

TO Comments	Heavy clouds, fog, and radar in county for most of night.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
0001	Quartz FCU	00:00	74.5			HPF	cal							Yes
0002	Quartz FCU	00:02	74.5			HPF	cal							Yes
0003	Quartz FCU	00:04	74.5			HPF	cal							Yes
0004	Alpha Bright Cal	00:06	85.2			HPF	cal							Yes
0005	Alpha Bright Cal	00:08	85.2			HPF	cal							Yes
0006	Alpha Bright Cal	00:10	85.2			HPF	cal							Yes
0007	Alpha Bright Cal	00:12	85.2			HPF	cal							Yes
0008	LFC FCU	00:15	106.5			HPF	cal							Yes
0009	LFC FCU	00:17	106.5			HPF	cal							Yes
0010	LFC Cal	00:20	106.5			HPF	cal							Yes
0011	LFC Cal	00:22	106.5			HPF	cal							Yes
0012	Etalon Cal	00:25	159.8			HPF	cal							Yes
0013	UNe Slave Cal	00:28	426			HPF	cal							Yes
lrs20000001_01	flat_Qth_R	00:30	15			LRS2	cal							Yes
lrs20000001_02	flat_Qth_R	00:31	15			LRS2	cal							Yes
lrs20000001_03	flat_Qth_R	00:33	15			LRS2	cal							Yes
lrs20000001_04	flat_Qth_R	00:34	15			LRS2	cal							Yes
lrs20000001_05	flat_Qth_R	00:35	15			LRS2	cal							Yes
0014	UNe Slave Cal	00:36	426			HPF	cal							Yes
lrs20000002_01	flat_ldls_long_B	00:36	20			LRS2	cal							Yes
lrs20000002_02	flat_ldls_long_B	00:38	20			LRS2	cal							Yes
lrs20000002_03	flat_ldls_long_B	00:39	20			LRS2	cal							Yes
lrs20000003_01	Cd-A_B	00:40	29			LRS2	cal							Yes
lrs20000003_02	Cd-A_B	00:42	29			LRS2	cal							Yes
lrs20000003_03	Cd-A_B	00:43	29			LRS2	cal							Yes
0015	UNe Slave Cal	00:44	426			HPF	cal							Yes
lrs20000004_01	FeAr_R	00:45	15			LRS2	cal							Yes
lrs20000004_02	FeAr_R	00:46	15			LRS2	cal							Yes
lrs20000004_03	FeAr_R	00:47	15			LRS2	cal							Yes
lrs20000005_01	Hg_R	00:48	20			LRS2	cal							Yes
lrs20000005_02	Hg_R	00:50	20			LRS2	cal							Yes
0016	UNe Slave Cal	00:51	426			HPF	cal							Yes
lrs20000005_03	Hg_R	00:51	20			LRS2	cal							Yes
lrs20000006_01	Hg_B	00:52	15			LRS2	cal							Yes
lrs20000006_02	Hg_B	00:53	15			LRS2	cal							Yes
lrs20000006_03	Hg_B	00:55	15			LRS2	cal							Yes
0017	UNe Slave Cal	00:59	426			HPF	cal							Yes
virus0000001_01	flat_ldls_long	01:01	15			VIRUS	cal							Yes
virus0000001_02	flat_ldls_long	01:03	15			VIRUS	cal							Yes
virus0000001_03	flat_ldls_long	01:04	15			VIRUS	cal							Yes
virus0000002_01	Cd-A	01:05	15			VIRUS	cal							Yes
0018	UNe Slave Cal	01:07	426			HPF	cal							Yes
virus0000002_02	Cd-A	01:07	15			VIRUS	cal							Yes
virus0000002_03	Cd-A	01:08	15			VIRUS	cal							Yes
virus0000003_01	Hg	01:10	15			VIRUS	cal							Yes
virus0000003_02	Hg	01:11	15			VIRUS	cal							Yes
virus0000003_03	Hg	01:12	15			VIRUS	cal							Yes
lrs20000007_01	bias	01:14	0			LRS2	cal							Yes
virus0000004_01	bias	01:14	0			VIRUS	cal							Yes
lrs20000007_02	bias	01:14	0			LRS2	cal							Yes
virus0000004_02	bias	01:15	0			VIRUS	cal							Yes
lrs20000007_03	bias	01:15	0			LRS2	cal							Yes
virus0000004_03	bias	01:16	0			VIRUS	cal							Yes
lrs20000007_04	bias	01:16	0			LRS2	cal							Yes
virus0000004_04	bias	01:16	0			VIRUS	cal							Yes
lrs20000007_05	bias	01:17	0			LRS2	cal							Yes
virus0000004_05	bias	01:17	0			VIRUS	cal							Yes
lrs20000007_06	bias	01:18	0			LRS2	cal							Yes
virus0000004_06	bias	01:18	0			VIRUS	cal							Yes
lrs20000007_07	bias	01:19	0			LRS2	cal							Yes
virus0000004_07	bias	01:19	0			VIRUS	cal							Yes
lrs20000007_08	bias	01:20	0			LRS2	cal							Yes
virus0000004_08	bias	01:20	0			VIRUS	cal							Yes
lrs20000007_09	bias	01:21	0			LRS2	cal							Yes
virus0000004_09	bias	01:21	0			VIRUS	cal							Yes
lrs20000007_10	bias	01:21	0			LRS2	cal							Yes
lrs20000007_11	bias	01:22	0			LRS2	cal							Yes
virus0000004_10	bias	01:22	0			VIRUS	cal							Yes
virus0000004_11	bias	01:23	0			VIRUS	cal							Yes
lrs20000008_01	dark	01:23	360			LRS2	cal							Yes
virus0000005_01	dark	01:23	360			VIRUS	cal							Yes
lrs20000008_02	dark	01:30	360			LRS2	cal							Yes
virus0000005_02	dark	01:30	360			VIRUS	cal							Yes
lrs20000008_03	dark	01:37	360			LRS2	cal							Yes
virus0000005_03	dark	01:37	360			VIRUS	cal							Yes
lrs20000009_01	bias	02:52	0			LRS2	cal							Yes
virus0000006_01	bias	02:52	0			VIRUS	cal							Yes
0019	LFC Cal	05:25	106.5			HPF	cal							Yes
0020	LFC Cal	05:27	106.5			HPF	cal							Yes
0021	LFC Cal	05:29	106.5			HPF	cal							Yes
virus0006100_01	dark	05:47	10			VIRUS	cal							Yes
virus0000007_01	bias	05:48	0			VIRUS	cal							Yes
virus0006101_01	dark	06:04	10			VIRUS	cal							Yes
virus0000008_01	bias	06:05	0			VIRUS	cal							Yes
virus0006102_01	dark	06:42	10			VIRUS	cal							Yes
virus0000009_01	bias	06:43	0			VIRUS	cal							Yes
0022	LFC Cal	06:49	106.5			HPF	cal							Yes
virus0000010_01	parallel	06:49	500			VIRUS	sci							Yes
lrs20000010_01	QID 972	06:49	500	5.7	PSU26-2-004	LRS2-B	sci	1.72		18.36	0.83			Yes
0023	LFC Cal	06:51	106.5			HPF	cal							Yes
0024	LFC Cal	06:54	106.5			HPF	cal							Yes
0025	LFC Cal	07:32	106.5			HPF	cal							Yes
0026	LFC Cal	07:35	106.5			HPF	cal							Yes
0027	LFC Cal	07:37	106.5			HPF	cal							Yes
0028	LFC Cal	09:21	106.5			HPF	cal							Yes
0029	LFC Cal	09:23	106.5			HPF	cal							Yes
0030	LFC Cal	09:25	106.5			HPF	cal							Yes
0031	Dark	09:43	319.5			HPF	cal							Yes
lrs20000011_01	bias	09:49	0			LRS2	cal							Yes
virus0000011_01	bias	09:50	0			VIRUS	cal							Yes
virus0000012_01	Cd-A	09:54	15		ENG26-2-002	VIRUS	cal							Yes
virus0000013_01	Hg	09:55	15		ENG26-2-002	VIRUS	cal							Yes
0032	Dark	10:03	319.5			HPF	cal							Yes
0033	Quartz FCU	10:14	74.5			HPF	cal							Yes
0034	Quartz FCU	10:16	74.5			HPF	cal							Yes
0035	Quartz FCU	10:18	74.5			HPF	cal							Yes
0036	Quartz FCU	10:20	74.5			HPF	cal							Yes
0037	Quartz FCU	10:22	74.5			HPF	cal							Yes
0038	Quartz FCU	10:23	74.5			HPF	cal							Yes
0039	Quartz FCU	10:25	74.5			HPF	cal							Yes
0040	Alpha Bright Cal	10:27	85.2			HPF	cal							Yes
0041	Alpha Bright Cal	10:29	85.2			HPF	cal							Yes
0042	Alpha Bright Cal	10:31	85.2			HPF	cal							Yes
0043	Alpha Bright Cal	10:33	85.2			HPF	cal							Yes
0044	LFC FCU	10:36	106.5			HPF	cal							Yes
0045	LFC FCU	10:38	106.5			HPF	cal							Yes
0046	LFC FCU	10:41	106.5			HPF	cal							Yes
0047	LFC FCU	10:43	106.5			HPF	cal							Yes
0048	LFC FCU	10:45	106.5			HPF	cal							Yes
0049	LFC FCU	10:48	106.5			HPF	cal							Yes
0050	LFC Cal	10:51	106.5			HPF	cal							Yes
0051	LFC Cal	10:53	106.5			HPF	cal							Yes
0052	Etalon Cal	11:01	159.8			HPF	cal							Yes
0053	Etalon Cal	11:04	159.8			HPF	cal							Yes
0054	Etalon Cal	11:07	159.8			HPF	cal							Yes
0055	Etalon Cal	11:10	159.8			HPF	cal							Yes
0056	UNe Slave Cal	11:14	426			HPF	cal							Yes
0057	UNe Slave Cal	11:21	426			HPF	cal							Yes
0058	UNe Slave Cal	11:29	426			HPF	cal							Yes
0059	UNe Slave Cal	11:37	426			HPF	cal							Yes
0060	UNe Slave Cal	11:45	426			HPF	cal							Yes
0061	UNe Slave Cal	11:53	426			HPF	cal							Yes
virus0008100_01	dark	14:12	20			VIRUS	cal							Yes
virus0008100_02	dark	14:13	20			VIRUS	cal							Yes
virus0008101_01	flat_ldls_long	14:17	15			VIRUS	cal							Yes
virus0008101_02	flat_ldls_long	14:18	15			VIRUS	cal							Yes
virus0008102_01	bias	14:20	0			VIRUS	cal							Yes
virus0008102_02	bias	14:21	0			VIRUS	cal							Yes
0085	LFC Cal	22:12	106.5			HPF	cal							Yes
lrs20009900_01	bias	22:18	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	22:19	20			VIRUS	cal							Yes
virus0009901_01	bias	22:20	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	22:21	20			LRS2	cal							Yes
virus0009902_01	dark	22:22	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:23	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:24	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:26	15			LRS2	cal							Yes
lrs20006000_01	bias	22:34	0			LRS2	cal							Yes
lrs20006001_01	dark	22:36	10			LRS2	cal							Yes
lrs20006002_01	bias	22:36	0			LRS2	cal							Yes
0086	LFC Cal	22:47	106.5			HPF	cal							Yes
virus0006000_01	dark	22:54	10			VIRUS	cal							Yes
virus0006001_01	bias	22:55	0			VIRUS	cal							Yes
virus0006002_01	dark	23:07	10			VIRUS	cal							Yes
virus0006003_01	bias	23:08	0			VIRUS	cal							Yes
0087	Dark	23:47	319.5			HPF	cal							Yes
0088	Quartz FCU	23:53	74.5			HPF	cal							Yes
0089	Quartz FCU	23:55	74.5			HPF	cal							Yes
0090	Quartz FCU	23:57	74.5			HPF	cal							Yes
0091	Quartz FCU	23:58	74.5			HPF	cal							Yes

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