HET Night Report Reader

Civil Date	Ephemerides
2026-06-18	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	02:09	03:02	03:39	10:15	10:51	11:46	-	05:24
Night Length	6:36		Sunset Temperature

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

Overlaps		none

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
02:09	24.1	23.2	06:38	radar	04:29
Total Time Open					4:29

Program	Night Priority	Science
03:39	Idle due to weather (Clouds)
04:53	Science
05:03	Idle due to weather (Clouds, dew point)

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
02:39	03:13	0.52	0.79	-400	-1248	24.0	24.0	23.7	18	5	First of Night

Problem Reports					no PRs

Ops Comments	none

TO Comments	Open for a bit but fighting clouds the whole time. Closed for radar and threatening clouds.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
lrs20000017_03	dark	00:01	360			LRS2	cal							Yes
virus0000016_03	dark	00:01	360			VIRUS	cal							Yes
lrs20000001_01	skyflat	02:15	7			LRS2	cal							Yes
lrs20000002_01	skyflat	02:16	10			LRS2	cal							Yes
lrs20000003_01	skyflat	02:17	13			LRS2	cal							Yes
lrs20000004_01	skyflat	02:18	16			LRS2	cal							Yes
lrs20000005_01	skyflat	02:20	22			LRS2	cal							Yes
lrs20000006_01	skyflat	02:21	30			LRS2	cal							Yes
virus0000001_01	skyflat	02:25	7			VIRUS	cal							Yes
virus0000002_01	skyflat	02:26	10			VIRUS	cal							Yes
virus0000003_01	skyflat	02:27	14			VIRUS	cal							Yes
virus0000004_01	skyflat	02:29	18			VIRUS	cal							Yes
virus0000005_01	skyflat	02:30	26			VIRUS	cal							Yes
0001	LFC Cal	03:14	106.5			HPF	cal							Yes
0002	LFC Cal	03:16	106.5			HPF	cal							Yes
0003	LFC Cal	03:19	106.5			HPF	cal							Yes
0004	LFC Cal	04:11	106.5			HPF	cal							Yes
0005	LFC Cal	04:14	106.5			HPF	cal							Yes
0006	LFC Cal	04:16	106.5			HPF	cal							Yes
0007	LFC Cal	04:58	106.5			HPF	cal							Yes
virus0000006_01	parallel	04:58	300			VIRUS	sci							Yes
lrs20000007_01	QID 590	04:58	300	5.0	PSU26-2-001	LRS2-R	sci	1.62		20.85	0.40			P4
0008	LFC Cal	05:00	106.5			HPF	cal							Yes
0009	LFC Cal	05:05	106.5			HPF	cal							Yes
virus0000007_01	parallel	05:09	1945.7			VIRUS	sci							Yes
0010	QID 1033	05:10	617.7	6.7	UT26-2-006	HPF	sci	1.48		20.34	0.23	17	Clouds, low transparency.	No
0011	QID 1033	05:21	617.7	0.7	UT26-2-006	HPF	sci	1.53		20.42	0.29	20		No
0012	QID 1033	05:32	617.7	0.7	UT26-2-006	HPF	sci	1.58		20.50	0.40	17		No
0013	LFC Cal	05:43	106.5			HPF	cal							Yes
lrs20000008_01	QID 469	05:49	1200	7.0	UT26-2-008	LRS2-B	sci	1.57		22.01	0.26		Clouds, low transparency.	No
virus0000008_01	parallel	05:49	1200			VIRUS	sci							Yes
0014	LFC Cal	05:50	106.5			HPF	cal							Yes
0015	LFC Cal	05:52	106.5			HPF	cal							Yes
0016	LFC Cal	05:54	106.5			HPF	cal							Yes
lrs20000009_01	QID 1013	06:16	120	7.0	PSU26-2-004	LRS2-B	sci	1.76		21.86	0.23		Clouds, low transparency.	No
0017	LFC Cal	06:22	106.5			HPF	cal							Yes
lrs20000010_01	parallel	06:22	360			LRS2	sci							Yes
virus0000009_01	QID 985	06:22	360	4.0	UT26-2-016	VIRUS	sci	1.60		21.87	0.07		Clouds, low transparency. Aborted during second exposure due to nearby radar.	No
0018	LFC Cal	06:25	106.5			HPF	cal							Yes
lrs20000010_02	parallel	06:29	360			LRS2	sci							Yes
virus0000009_02	QID 985	06:29	360	1.0	UT26-2-016	VIRUS	sci	1.48		21.90	0.06			No
0019	LFC Cal	06:53	106.5			HPF	cal							Yes
0020	LFC Cal	06:56	106.5			HPF	cal							Yes
0021	LFC Cal	06:58	106.5			HPF	cal							Yes
0022	LFC Cal	07:56	106.5			HPF	cal							Yes
0023	LFC Cal	07:58	106.5			HPF	cal							Yes
0024	LFC Cal	08:01	106.5			HPF	cal							Yes
0025	LFC Cal	08:54	106.5			HPF	cal							Yes
0026	LFC Cal	08:57	106.5			HPF	cal							Yes
0027	LFC Cal	08:59	106.5			HPF	cal							Yes
0028	LFC Cal	10:06	106.5			HPF	cal							Yes
0029	LFC Cal	10:08	106.5			HPF	cal							Yes
0030	LFC Cal	10:11	106.5			HPF	cal							Yes
lrs20000011_01	bias	10:22	0			LRS2	cal							Yes
virus0000010_01	bias	10:22	0			VIRUS	cal							Yes
virus0000011_01	Cd-A	10:27	15		ENG26-2-002	VIRUS	cal							Yes
virus0000012_01	Hg	10:28	15		ENG26-2-002	VIRUS	cal							Yes
0031	Dark	10:36	319.5			HPF	cal							Yes
0032	Quartz FCU	10:48	74.5			HPF	cal							Yes
0033	Quartz FCU	10:50	74.5			HPF	cal							Yes
0034	Quartz FCU	10:51	74.5			HPF	cal							Yes
0035	Quartz FCU	10:53	74.5			HPF	cal							Yes
0036	Quartz FCU	10:55	74.5			HPF	cal							Yes
0037	Quartz FCU	10:57	74.5			HPF	cal							Yes
0038	Quartz FCU	10:58	74.5			HPF	cal							Yes
0039	Alpha Bright Cal	11:01	85.2			HPF	cal							Yes
0040	Alpha Bright Cal	11:03	85.2			HPF	cal							Yes
0041	Alpha Bright Cal	11:05	85.2			HPF	cal							Yes
0042	Alpha Bright Cal	11:07	85.2			HPF	cal							Yes
0043	LFC FCU	11:09	106.5			HPF	cal							Yes
0044	LFC FCU	11:12	106.5			HPF	cal							Yes
0045	LFC FCU	11:14	106.5			HPF	cal							Yes
0046	LFC FCU	11:16	106.5			HPF	cal							Yes
0047	LFC FCU	11:19	106.5			HPF	cal							Yes
0048	LFC FCU	11:21	106.5			HPF	cal							Yes
0049	LFC Cal	11:24	106.5			HPF	cal							Yes
0050	LFC Cal	11:26	106.5			HPF	cal							Yes
0051	Etalon Cal	11:34	159.8			HPF	cal							Yes
0052	Etalon Cal	11:37	159.8			HPF	cal							Yes
0053	Etalon Cal	11:40	159.8			HPF	cal							Yes
0054	Etalon Cal	11:43	159.8			HPF	cal							Yes
0055	UNe Slave Cal	11:47	426			HPF	cal							Yes
0056	UNe Slave Cal	11:55	426			HPF	cal							Yes
0057	UNe Slave Cal	12:03	426			HPF	cal							Yes
0058	UNe Slave Cal	12:10	426			HPF	cal							Yes
0059	UNe Slave Cal	12:18	426			HPF	cal							Yes
0060	UNe Slave Cal	12:26	426			HPF	cal							Yes
lrs20009900_01	bias	21:58	0			LRS2	cal							Yes
0052	LFC Cal	21:58	106.5			HPF	cal							Yes
virus0009900_01	flat_Qth	21:58	20			VIRUS	cal							Yes
virus0009901_01	bias	22:00	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	22:00	20			LRS2	cal							Yes
virus0009902_01	dark	22:02	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:03	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:04	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:06	15			LRS2	cal							Yes
0053	Dark	22:11	319.5			HPF	cal							Yes
0054	Quartz FCU	22:18	74.5			HPF	cal							Yes
0055	Quartz FCU	22:19	74.5			HPF	cal							Yes
0056	Quartz FCU	22:21	74.5			HPF	cal							Yes
0057	Quartz FCU	22:23	74.5			HPF	cal							Yes
0058	Quartz FCU	22:25	74.5			HPF	cal							Yes
0059	Quartz FCU	22:26	74.5			HPF	cal							Yes
0060	Quartz FCU	22:28	74.5			HPF	cal							Yes
0061	Alpha Bright Cal	22:31	85.2			HPF	cal							Yes
0062	Alpha Bright Cal	22:33	85.2			HPF	cal							Yes
0063	Alpha Bright Cal	22:35	85.2			HPF	cal							Yes
0064	Alpha Bright Cal	22:37	85.2			HPF	cal							Yes
0065	LFC FCU	22:39	106.5			HPF	cal							Yes
0066	LFC FCU	22:42	106.5			HPF	cal							Yes
0067	LFC Cal	22:44	106.5			HPF	cal							Yes
0068	LFC Cal	22:47	106.5			HPF	cal							Yes
0069	Etalon Cal	22:49	159.8			HPF	cal							Yes
0070	UNe Slave Cal	22:53	426			HPF	cal							Yes
lrs20000010_01	flat_Qth_R	22:54	15			LRS2	cal							Yes
lrs20000010_02	flat_Qth_R	22:55	15			LRS2	cal							Yes
lrs20000010_03	flat_Qth_R	22:57	15			LRS2	cal							Yes
lrs20000010_04	flat_Qth_R	22:58	15			LRS2	cal							Yes
lrs20000010_05	flat_Qth_R	22:59	15			LRS2	cal							Yes
lrs20000011_01	flat_ldls_long_B	23:00	20			LRS2	cal							Yes
0071	UNe Slave Cal	23:01	426			HPF	cal							Yes
lrs20000011_02	flat_ldls_long_B	23:02	20			LRS2	cal							Yes
lrs20000011_03	flat_ldls_long_B	23:03	20			LRS2	cal							Yes
lrs20000012_01	Cd-A_B	23:04	29			LRS2	cal							Yes
lrs20000012_02	Cd-A_B	23:06	29			LRS2	cal							Yes
lrs20000012_03	Cd-A_B	23:07	29			LRS2	cal							Yes
0072	UNe Slave Cal	23:09	426			HPF	cal							Yes
lrs20000013_01	FeAr_R	23:09	15			LRS2	cal							Yes
lrs20000013_02	FeAr_R	23:10	15			LRS2	cal							Yes
lrs20000013_03	FeAr_R	23:11	15			LRS2	cal							Yes
lrs20000014_01	Hg_R	23:12	20			LRS2	cal							Yes
lrs20000014_02	Hg_R	23:14	20			LRS2	cal							Yes
lrs20000014_03	Hg_R	23:15	20			LRS2	cal							Yes
0073	UNe Slave Cal	23:16	426			HPF	cal							Yes
lrs20000015_01	Hg_B	23:16	15			LRS2	cal							Yes
lrs20000015_02	Hg_B	23:17	15			LRS2	cal							Yes
lrs20000015_03	Hg_B	23:19	15			LRS2	cal							Yes
0074	UNe Slave Cal	23:24	426			HPF	cal							Yes
virus0000012_01	flat_ldls_long	23:25	15			VIRUS	cal							Yes
virus0000012_02	flat_ldls_long	23:27	15			VIRUS	cal							Yes
virus0000012_03	flat_ldls_long	23:28	15			VIRUS	cal							Yes
virus0000013_01	Cd-A	23:29	15			VIRUS	cal							Yes
virus0000013_02	Cd-A	23:31	15			VIRUS	cal							Yes
0075	UNe Slave Cal	23:32	426			HPF	cal							Yes
virus0000013_03	Cd-A	23:32	15			VIRUS	cal							Yes
virus0000014_01	Hg	23:34	15			VIRUS	cal							Yes
virus0000014_02	Hg	23:35	15			VIRUS	cal							Yes
virus0000014_03	Hg	23:36	15			VIRUS	cal							Yes
lrs20000016_01	bias	23:38	0			LRS2	cal							Yes
virus0000015_01	bias	23:38	0			VIRUS	cal							Yes
lrs20000016_02	bias	23:39	0			LRS2	cal							Yes
lrs20000016_03	bias	23:39	0			LRS2	cal							Yes
virus0000015_02	bias	23:39	0			VIRUS	cal							Yes
virus0000015_03	bias	23:40	0			VIRUS	cal							Yes
lrs20000016_04	bias	23:40	0			LRS2	cal							Yes
virus0000015_04	bias	23:40	0			VIRUS	cal							Yes
lrs20000016_05	bias	23:41	0			LRS2	cal							Yes
virus0000015_05	bias	23:41	0			VIRUS	cal							Yes
lrs20000016_06	bias	23:42	0			LRS2	cal							Yes
virus0000015_06	bias	23:42	0			VIRUS	cal							Yes
lrs20000016_07	bias	23:43	0			LRS2	cal							Yes
virus0000015_07	bias	23:43	0			VIRUS	cal							Yes
lrs20000016_08	bias	23:44	0			LRS2	cal							Yes
virus0000015_08	bias	23:44	0			VIRUS	cal							Yes
lrs20000016_09	bias	23:44	0			LRS2	cal							Yes
virus0000015_09	bias	23:45	0			VIRUS	cal							Yes
lrs20000016_10	bias	23:45	0			LRS2	cal							Yes
virus0000015_10	bias	23:46	0			VIRUS	cal							Yes
lrs20000016_11	bias	23:46	0			LRS2	cal							Yes
virus0000015_11	bias	23:46	0			VIRUS	cal							Yes
lrs20000017_01	dark	23:47	360			LRS2	cal							Yes
virus0000016_01	dark	23:47	360			VIRUS	cal							Yes
lrs20000017_02	dark	23:54	360			LRS2	cal							Yes
virus0000016_02	dark	23:54	360			VIRUS	cal							Yes

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