HET Night Report Reader

Civil Date	Ephemerides
2026-06-01	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	02:02	02:54	03:30	10:17	10:53	11:46	03:36	-
Night Length	6:47		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator	OPS Engineer	Day Ops
Zach Vanderbosch	Justen Pautzke	-	-

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
01:54	22.5	18.6	10:53	twilight	08:59
Total Time Open					8:59

Program	Night Priority	Science
03:30	Science
08:42	Idle due to weather (Clouds)
09:46	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
02:29	03:16	0.39	0.65	-395	294	20.1	20.2	20.0	121	13	First of Night
10:36	10:44	0.55	0.88	-270	1047	18.5	18.8	18.9	189	11	Post-Observing

Problem Reports
PR Number	Times	Time Lost	Description	Response
6581	10:47-10:53	00:06	Dome stuck at NEAR_CLOSED.

Ops Comments	none

TO Comments	Some radar around at start of the night, mostly clear for remainder.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
lrs20000020_08	bias	00:00	0			LRS2	cal							Yes
virus0000016_08	bias	00:00	0			VIRUS	cal							Yes
lrs20000020_09	bias	00:01	0			LRS2	cal							Yes
virus0000016_09	bias	00:01	0			VIRUS	cal							Yes
lrs20000020_10	bias	00:02	0			LRS2	cal							Yes
virus0000016_10	bias	00:02	0			VIRUS	cal							Yes
lrs20000020_11	bias	00:02	0			LRS2	cal							Yes
virus0000016_11	bias	00:03	0			VIRUS	cal							Yes
lrs20000021_01	dark	00:03	360			LRS2	cal							Yes
virus0000017_01	dark	00:04	360			VIRUS	cal							Yes
lrs20000021_02	dark	00:10	360			LRS2	cal							Yes
virus0000017_02	dark	00:10	360			VIRUS	cal							Yes
lrs20000021_03	dark	00:17	360			LRS2	cal							Yes
virus0000017_03	dark	00:17	360			VIRUS	cal							Yes
lrs20000001_01	skyflat	02:07	7			LRS2	cal							Yes
lrs20000002_01	skyflat	02:08	10			LRS2	cal							Yes
lrs20000003_01	skyflat	02:09	13			LRS2	cal							Yes
lrs20000004_01	skyflat	02:11	16			LRS2	cal							Yes
lrs20000005_01	skyflat	02:12	22			LRS2	cal							Yes
lrs20000006_01	skyflat	02:13	30			LRS2	cal							Yes
virus0000001_01	skyflat	02:17	7			VIRUS	cal							Yes
virus0000002_01	skyflat	02:18	10			VIRUS	cal							Yes
virus0000003_01	skyflat	02:20	14			VIRUS	cal							Yes
virus0000004_01	skyflat	02:21	18			VIRUS	cal							Yes
virus0000005_01	skyflat	02:23	26			VIRUS	cal							Yes
0001	LFC Cal	03:23	106.5			HPF	cal							Yes
virus0000006_01	parallel	03:23	1200			VIRUS	sci							Yes
lrs20000007_01	QID 956	03:23	1200	6.0	M26-2-011	LRS2-R	sci	1.48	1.05	20.35	0.93			Yes
0002	LFC Cal	03:25	106.5			HPF	cal							Yes
0003	LFC Cal	03:28	106.5			HPF	cal							Yes
virus0000007_01	parallel	03:50	2000			VIRUS	sci							Yes
0004	QID 927	03:51	969.1	7.8	UT26-2-007	HPF	sci	1.68	1.25	19.25	0.90	48		Yes
0005	QID 927	04:08	969.1	0.8	UT26-2-007	HPF	sci	1.59	1.20	19.20	0.94	51		Yes
0006	QID 114	04:32	969.1	7.8	UT26-2-019	HPF	sci	1.81	1.04	19.78	0.74	371		Yes
virus0000008_01	parallel	04:32	1000			VIRUS	sci							Yes
0007	LFC Cal	04:50	106.5			HPF	cal							Yes
virus0000009_01	parallel	04:54	2102.1			VIRUS	sci							Yes
0008	QID 898	04:55	308.9	6.9	UT26-2-005	HPF	sci	1.53	0.98	19.20	0.74	100		Yes
0009	QID 898	05:01	308.9	0.9	UT26-2-005	HPF	sci	1.59	1.13	19.24	0.78	98		Yes
0010	QID 898	05:06	308.9	0.9	UT26-2-005	HPF	sci	1.54	0.97	19.22	0.78	102		Yes
0011	QID 898	05:12	308.9	-0.1	UT26-2-005	HPF	sci	1.54	1.07	19.32	0.80	100		Yes
0012	QID 898	05:18	308.9	0.9	UT26-2-005	HPF	sci	1.48	1.03	19.33	0.81	103		Yes
0013	QID 898	05:24	308.9	0.9	UT26-2-005	HPF	sci	1.53	1.03	19.32	0.78	97		Yes
virus0000010_01	parallel	05:40	3531.4			VIRUS	sci							Yes
0014	QID 946	05:41	841.4	12.0	UT26-2-009	HPF	sci	1.33	0.91	18.11	1.32	60		Yes
0015	QID 946	05:56	841.4	1.0	UT26-2-009	HPF	sci	1.51	0.89	18.36	1.20	67		Yes
0016	QID 946	06:11	841.4	1.0	UT26-2-009	HPF	sci	1.75	1.33	18.41	1.19	58		Yes
0017	QID 946	06:26	841.4	1.0	UT26-2-009	HPF	sci	1.55	1.11	18.47	1.03	47		Yes
0018	HR6992_tell_std	06:47	330.2	6.5		HPF	telluric	1.51	1.05	18.60	0.87			Yes
lrs20000008_01	1812095_056_E	06:58	120	6.0		LRS2	spec	1.74	1.05	19.27	0.85			Yes
lrs20000009_01	1812095_066_E	07:04	120	4.0		LRS2	spec	2.04	1.46	19.26	0.86			Yes
0019	QID 971	07:15	915.9	9.7	PSU26-2-015	HPF	sci	1.56	1.01	18.16	0.73	106		Yes
virus0000011_01	parallel	07:15	957.4			VIRUS	sci							Yes
0020	QID 948	07:38	639	7.4	UT26-2-009	HPF	sci	1.57	1.41	18.34	0.84	80		Yes
virus0000012_01	parallel	07:38	1361			VIRUS	sci							Yes
0021	QID 948	07:50	639	1.4	UT26-2-009	HPF	sci	1.39	1.16	18.36	0.85	87		Yes
virus0000013_01	parallel	08:08	2000			VIRUS	sci							Yes
0022	QID 676	08:09	969.1	7.8	UT26-2-007	HPF	sci	1.46	1.02	19.25	0.84	29		Yes
0023	QID 676	08:26	969.1	0.8	UT26-2-007	HPF	sci	1.53	1.09	19.28	0.80	28		Yes
0024	LFC Cal	08:44	106.5			HPF	cal							Yes
0025	QID 929	08:50	74.5	7.8	PSU26-2-006	HPF	sci	1.59	1.38	17.63	1.05	582	Clouds thickening, ended up aborting target after 21 exposures.	No
virus0000014_01	parallel	08:50	6963			VIRUS	sci							Yes
0026	QID 929	08:52	74.5	0.8	PSU26-2-006	HPF	sci	1.70	1.24	17.76	1.02	549		No
0027	QID 929	08:54	74.5	0.8	PSU26-2-006	HPF	sci	1.81	1.17	17.55	0.86	502		No
0028	QID 929	08:55	74.5	0.8	PSU26-2-006	HPF	sci	1.81	1.21	17.76	0.99	562		No
0029	QID 929	08:57	74.5	-0.2	PSU26-2-006	HPF	sci	1.83	1.27	17.80	0.99	548		No
0030	QID 929	08:59	74.5	0.8	PSU26-2-006	HPF	sci	1.96	1.06	17.85	0.96	521		No
0031	QID 929	09:01	74.5	0.8	PSU26-2-006	HPF	sci	1.93	1.56	17.65	0.76	477		No
0032	QID 929	09:03	74.5	0.8	PSU26-2-006	HPF	sci	2.12	0.91	17.66	0.70	435		No
0033	QID 929	09:04	74.5	0.8	PSU26-2-006	HPF	sci	2.27	1.11	17.51	0.59	368		No
0034	QID 929	09:06	74.5	-0.2	PSU26-2-006	HPF	sci	2.02	1.15	17.60	0.65	479		No
0035	QID 929	09:08	74.5	0.8	PSU26-2-006	HPF	sci	1.80	1.16	17.90	0.78	563		No
0036	QID 929	09:10	74.5	0.8	PSU26-2-006	HPF	sci	2.07	1.04	18.09	0.83	500		No
0037	QID 929	09:11	74.5	0.8	PSU26-2-006	HPF	sci	1.90	1.08	18.09	0.82	547		No
0038	QID 929	09:13	74.5	-0.2	PSU26-2-006	HPF	sci	1.89	0.83	17.99	0.75	522		No
0039	QID 929	09:15	74.5	0.8	PSU26-2-006	HPF	sci	1.99	1.01	17.88	0.68	460		No
0040	QID 929	09:17	74.5	0.8	PSU26-2-006	HPF	sci	2.06	1.21	17.61	0.53	424		No
0041	QID 929	09:18	74.5	0.8	PSU26-2-006	HPF	sci	2.02	1.09	17.45	0.40	363		No
0042	QID 929	09:20	74.5	0.8	PSU26-2-006	HPF	sci	1.69	0.98	17.49	0.42	464		No
0043	QID 929	09:22	74.5	-0.2	PSU26-2-006	HPF	sci	1.69		17.56	0.45	464		No
0044	QID 929	09:24	74.5	0.8	PSU26-2-006	HPF	sci	1.73	1.11	17.35	0.31	388		No
0045	QID 929	09:26	74.5	0.8	PSU26-2-006	HPF	sci	1.69	1.12	17.61	0.40	460		No
0046	LFC Cal	09:28	106.5			HPF	cal							Yes
lrs20000010_01	QID 355	09:33	180	6.0	UT26-2-017	LRS2-B	sci	1.81	1.68	18.58	0.28		Clouds, low transparency.	No
0047	LFC Cal	09:34	106.5			HPF	cal							Yes
0048	LFC Cal	09:40	106.5			HPF	cal							Yes
virus0000015_01	parallel	09:40	360			VIRUS	sci							Yes
lrs20000011_01	QID 356	09:40	360	4.0	UT26-2-017	LRS2-R	sci	1.80	1.65	18.10	0.81			No
0049	LFC Cal	09:43	106.5			HPF	cal							Yes
0050	QID 115	09:54	969.1	7.8	UT26-2-019	HPF	sci	1.66	1.19	19.05	0.89	409		P4
virus0000016_01	parallel	09:54	1000			VIRUS	sci							Yes
0051	LFC Cal	10:12	106.5			HPF	cal							Yes
0052	LFC Cal	10:18	106.5			HPF	cal							Yes
lrs20000012_01	QID 435	10:18	180	8.0	UT26-2-017	LRS2-B	sci	1.69	1.08	19.00	0.92			Yes
0053	LFC Cal	10:30	106.5			HPF	cal							Yes
virus0000017_01	parallel	10:30	360			VIRUS	sci							Yes
lrs20000013_01	QID 436	10:30	360	9.0	UT26-2-017	LRS2-R	sci	1.65	1.03	19.23	1.07			Yes
0054	LFC Cal	10:33	106.5			HPF	cal							Yes
lrs20000014_01	bias	10:38	0			LRS2	cal							Yes
virus0000018_01	bias	10:38	0			VIRUS	cal							Yes
virus0000019_01	Cd-A	10:42	15		ENG26-2-002	VIRUS	cal							Yes
virus0000020_01	Hg	10:44	15		ENG26-2-002	VIRUS	cal							Yes
0055	Dark	10:54	319.5			HPF	cal							Yes
0056	Quartz FCU	11:05	74.5			HPF	cal							Yes
0057	Quartz FCU	11:07	74.5			HPF	cal							Yes
0058	Quartz FCU	11:09	74.5			HPF	cal							Yes
0059	Quartz FCU	11:11	74.5			HPF	cal							Yes
0060	Quartz FCU	11:13	74.5			HPF	cal							Yes
0061	Quartz FCU	11:14	74.5			HPF	cal							Yes
0062	Quartz FCU	11:16	74.5			HPF	cal							Yes
0063	Alpha Bright Cal	11:18	85.2			HPF	cal							Yes
0064	Alpha Bright Cal	11:20	85.2			HPF	cal							Yes
0065	Alpha Bright Cal	11:22	85.2			HPF	cal							Yes
0066	Alpha Bright Cal	11:24	85.2			HPF	cal							Yes
0067	LFC FCU	11:27	106.5			HPF	cal							Yes
0068	LFC FCU	11:29	106.5			HPF	cal							Yes
0069	LFC FCU	11:32	106.5			HPF	cal							Yes
0070	LFC FCU	11:34	106.5			HPF	cal							Yes
0071	LFC FCU	11:36	106.5			HPF	cal							Yes
0072	LFC FCU	11:39	106.5			HPF	cal							Yes
0073	LFC Cal	11:42	106.5			HPF	cal							Yes
0074	LFC Cal	11:44	106.5			HPF	cal							Yes
0075	Etalon Cal	11:51	159.8			HPF	cal							Yes
0076	Etalon Cal	11:55	159.8			HPF	cal							Yes
0077	Etalon Cal	11:58	159.8			HPF	cal							Yes
0078	Etalon Cal	12:01	159.8			HPF	cal							Yes
0079	UNe Slave Cal	12:05	426			HPF	cal							Yes
0080	UNe Slave Cal	12:12	426			HPF	cal							Yes
0081	UNe Slave Cal	12:20	426			HPF	cal							Yes
0082	UNe Slave Cal	12:28	426			HPF	cal							Yes
0083	UNe Slave Cal	12:36	426			HPF	cal							Yes
0084	UNe Slave Cal	12:43	426			HPF	cal							Yes
lrs20009900_01	bias	21:58	0			LRS2	cal							Yes
0133	LFC Cal	21:58	106.5			HPF	cal							Yes
virus0009900_01	flat_Qth	21:59	20			VIRUS	cal							Yes
virus0009901_01	bias	22:00	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	22:01	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	22:05	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:06	15			LRS2	cal							Yes
0134	Dark	22:27	319.5			HPF	cal							Yes
0135	Quartz FCU	22:34	74.5			HPF	cal							Yes
0136	Quartz FCU	22:35	74.5			HPF	cal							Yes
0137	Quartz FCU	22:37	74.5			HPF	cal							Yes
0138	Quartz FCU	22:39	74.5			HPF	cal							Yes
0139	Quartz FCU	22:41	74.5			HPF	cal							Yes
0140	Quartz FCU	22:42	74.5			HPF	cal							Yes
0141	Quartz FCU	22:44	74.5			HPF	cal							Yes
0142	Alpha Bright Cal	22:47	85.2			HPF	cal							Yes
0143	Alpha Bright Cal	22:48	85.2			HPF	cal							Yes
0144	Alpha Bright Cal	22:50	85.2			HPF	cal							Yes
0145	Alpha Bright Cal	22:52	85.2			HPF	cal							Yes
0146	LFC FCU	22:55	106.5			HPF	cal							Yes
0147	LFC FCU	22:57	106.5			HPF	cal							Yes
0148	LFC Cal	23:00	106.5			HPF	cal							Yes
0149	LFC Cal	23:02	106.5			HPF	cal							Yes
0150	Etalon Cal	23:05	159.8			HPF	cal							Yes
0151	UNe Slave Cal	23:09	426			HPF	cal							Yes
lrs20000014_01	flat_Qth_R	23:10	15			LRS2	cal							Yes
lrs20000014_02	flat_Qth_R	23:11	15			LRS2	cal							Yes
lrs20000014_03	flat_Qth_R	23:13	15			LRS2	cal							Yes
lrs20000014_04	flat_Qth_R	23:14	15			LRS2	cal							Yes
lrs20000014_05	flat_Qth_R	23:15	15			LRS2	cal							Yes
lrs20000015_01	flat_ldls_long_B	23:16	20			LRS2	cal							Yes
0152	UNe Slave Cal	23:17	426			HPF	cal							Yes
lrs20000015_02	flat_ldls_long_B	23:18	20			LRS2	cal							Yes
lrs20000015_03	flat_ldls_long_B	23:19	20			LRS2	cal							Yes
lrs20000016_01	Cd-A_B	23:20	29			LRS2	cal							Yes
lrs20000016_02	Cd-A_B	23:22	29			LRS2	cal							Yes
lrs20000016_03	Cd-A_B	23:23	29			LRS2	cal							Yes
0153	UNe Slave Cal	23:24	426			HPF	cal							Yes
lrs20000017_01	FeAr_R	23:25	15			LRS2	cal							Yes
lrs20000017_02	FeAr_R	23:26	15			LRS2	cal							Yes
lrs20000017_03	FeAr_R	23:27	15			LRS2	cal							Yes
lrs20000018_01	Hg_R	23:28	20			LRS2	cal							Yes
lrs20000018_02	Hg_R	23:30	20			LRS2	cal							Yes
lrs20000018_03	Hg_R	23:31	20			LRS2	cal							Yes
0154	UNe Slave Cal	23:32	426			HPF	cal							Yes
lrs20000019_01	Hg_B	23:32	15			LRS2	cal							Yes
lrs20000019_02	Hg_B	23:34	15			LRS2	cal							Yes
lrs20000019_03	Hg_B	23:35	15			LRS2	cal							Yes
0155	UNe Slave Cal	23:40	426			HPF	cal							Yes
virus0000013_01	flat_ldls_long	23:41	15			VIRUS	cal							Yes
virus0000013_02	flat_ldls_long	23:43	15			VIRUS	cal							Yes
virus0000013_03	flat_ldls_long	23:44	15			VIRUS	cal							Yes
virus0000014_01	Cd-A	23:45	15			VIRUS	cal							Yes
virus0000014_02	Cd-A	23:47	15			VIRUS	cal							Yes
0156	UNe Slave Cal	23:48	426			HPF	cal							Yes
virus0000014_03	Cd-A	23:48	15			VIRUS	cal							Yes
virus0000015_01	Hg	23:50	15			VIRUS	cal							Yes
virus0000015_02	Hg	23:51	15			VIRUS	cal							Yes
virus0000015_03	Hg	23:52	15			VIRUS	cal							Yes
lrs20000020_01	bias	23:54	0			LRS2	cal							Yes
virus0000016_01	bias	23:54	0			VIRUS	cal							Yes
lrs20000020_02	bias	23:55	0			LRS2	cal							Yes
lrs20000020_03	bias	23:55	0			LRS2	cal							Yes
virus0000016_02	bias	23:55	0			VIRUS	cal							Yes
lrs20000020_04	bias	23:56	0			LRS2	cal							Yes
virus0000016_03	bias	23:56	0			VIRUS	cal							Yes
virus0000016_04	bias	23:57	0			VIRUS	cal							Yes
lrs20000020_05	bias	23:57	0			LRS2	cal							Yes
virus0000016_05	bias	23:57	0			VIRUS	cal							Yes
lrs20000020_06	bias	23:58	0			LRS2	cal							Yes
virus0000016_06	bias	23:58	0			VIRUS	cal							Yes
lrs20000020_07	bias	23:59	0			LRS2	cal							Yes
virus0000016_07	bias	23:59	0			VIRUS	cal							Yes

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