HET Night Report Reader

Civil Date	Ephemerides
2026-04-16	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:32	02:18	02:49	11:01	11:32	12:19	12:20	-
Night Length	8:12		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator
Zach Vanderbosch	Aiden Dillard Cassie Crowe

Overlaps		none

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
01:30	19.9	19.8	11:30	twilight	10:00
Total Time Open					10:00

Program	Night Priority	Science
02:49	Science
05:50	Engineering (hpf)
06:33	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
01:59	02:30	0.67	1.26	100	-6298	19.6	16.5	19.5	218	9	First of Night
09:20	09:42	0.76	1.23	90	-3925	15.2	16.2	16.8	286	15	Stack/Re-stack
11:22	11:30	0.93	1.56	40	-3473	15.3	15.4	15.8	282	16	Post-Observing

Problem Reports					no PRs

TO Comments	Smooth and productive night. No incidences.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
lrs20000023_02	dark	00:05	360			LRS2	cal							Yes
virus0000023_02	dark	00:06	360			VIRUS	cal							Yes
lrs20000023_03	dark	00:12	360			LRS2	cal							Yes
virus0000023_03	dark	00:13	360			VIRUS	cal							Yes
lrs20000001_01	skyflat	01:37	7			LRS2	cal							Yes
lrs20000002_01	skyflat	01:38	10			LRS2	cal							Yes
lrs20000003_01	skyflat	01:39	13			LRS2	cal							Yes
lrs20000004_01	skyflat	01:40	16			LRS2	cal							Yes
lrs20000005_01	skyflat	01:41	22			LRS2	cal							Yes
lrs20000006_01	skyflat	01:43	30			LRS2	cal							Yes
virus0000001_01	skyflat	01:46	7			VIRUS	cal							Yes
virus0000002_01	skyflat	01:47	10			VIRUS	cal							Yes
virus0000003_01	skyflat	01:48	14			VIRUS	cal							Yes
virus0000004_01	skyflat	01:50	18			VIRUS	cal							Yes
virus0000005_01	skyflat	01:51	26			VIRUS	cal							Yes
0001	LFC Cal	02:36	106.5			HPF	cal							Yes
virus0000006_01	parallel	02:36	940			VIRUS	sci							Yes
lrs20000007_01	QID 14	02:36	940	6.3	PSU26-2-005	LRS2-R	sci	1.41	0.62	20.77	1.02			Yes
0002	LFC Cal	02:38	106.5			HPF	cal							Yes
0003	LFC Cal	02:41	106.5			HPF	cal							Yes
0004	QID 793	02:57	308.9	5.9	UT26-2-005	HPF	sci	1.35	0.60	20.27	0.88	287		Yes
virus0000007_01	parallel	02:57	5097			VIRUS	sci							Yes
0005	QID 793	03:03	308.9	-0.1	UT26-2-005	HPF	sci	1.36	0.80	20.24	0.88	300		Yes
0006	QID 793	03:09	308.9	0.9	UT26-2-005	HPF	sci	1.44	0.59	20.29	0.94	314		Yes
0007	QID 793	03:15	308.9	0.9	UT26-2-005	HPF	sci	1.48	0.65	20.35	0.96	321		Yes
0008	QID 793	03:20	308.9	0.9	UT26-2-005	HPF	sci	1.50	0.70	20.35	0.92	333		Yes
0009	QID 793	03:26	308.9	-0.1	UT26-2-005	HPF	sci	1.49	0.68	20.24	0.84	320		Yes
0010	QID 793	03:32	308.9	0.9	UT26-2-005	HPF	sci	1.42	0.67	20.17	0.94	340		Yes
0011	QID 793	03:38	308.9	0.9	UT26-2-005	HPF	sci	1.44	0.63	20.17	1.00	319		Yes
0012	QID 793	03:44	308.9	0.9	UT26-2-005	HPF	sci	1.44	0.71	20.15	1.03	300		Yes
0013	QID 793	03:49	308.9	0.9	UT26-2-005	HPF	sci	1.38	0.83	20.11	1.04	287		Yes
0014	QID 793	03:55	308.9	-0.1	UT26-2-005	HPF	sci	1.42	0.78	20.12	1.05	264		Yes
lrs20000008_01	HZ44_056_E	04:06	60	6.0		LRS2	spec	1.44	0.84	22.43	0.69			Yes
lrs20000009_01	HZ44_066_E	04:10	120	3.0		LRS2	spec	1.44	0.82	21.02	0.92			Yes
0015	HR5109_tell_std	04:19	117.2	7.0		HPF	telluric	1.49		20.13	0.96			Yes
0016	LFC Cal	04:27	106.5			HPF	cal							Yes
lrs20000010_01	parallel	04:27	600			LRS2	sci							Yes
virus0000008_01	QID 232	04:27	600	6.0	PSU26-2-003	VIRUS	sci	1.50	0.72	21.95	0.79			Yes
0017	LFC Cal	04:29	106.5			HPF	cal							Yes
0018	LFC Cal	04:32	106.5			HPF	cal							Yes
lrs20000010_02	parallel	04:38	600			LRS2	sci							Yes
virus0000008_02	QID 232	04:38	600	1.0	PSU26-2-003	VIRUS	sci	1.43	0.62	21.94	0.80			Yes
lrs20000010_03	parallel	04:49	600			LRS2	sci							Yes
virus0000008_03	QID 232	04:49	600	1.0	PSU26-2-003	VIRUS	sci	1.47	0.94	21.92	0.65			Yes
0019	LFC Cal	05:04	106.5			HPF	cal							Yes
lrs20000011_01	parallel	05:04	360			LRS2	sci							Yes
virus0000009_01	QID 552	05:04	360	5.0	UT26-2-016	VIRUS	sci	1.51	0.83	21.85	0.83			Yes
0020	LFC Cal	05:06	106.5			HPF	cal							Yes
lrs20000011_02	parallel	05:11	360			LRS2	sci							Yes
virus0000009_02	QID 552	05:11	360	1.0	UT26-2-016	VIRUS	sci	1.44	0.97	21.90	0.80			Yes
lrs20000011_03	parallel	05:18	360			LRS2	sci							Yes
virus0000009_03	QID 552	05:18	360	1.0	UT26-2-016	VIRUS	sci	1.46	0.85	21.87	0.80			Yes
virus0000010_01	parallel	05:29	1200			VIRUS	sci							Yes
0021	LFC Cal	05:30	106.5			HPF	cal							Yes
lrs20000012_01	QID 468	05:30	1200	6.0	UT26-2-008	LRS2-B	sci	1.67	0.87	22.06	0.85			Yes
0022	LFC Cal	05:32	106.5			HPF	cal							Yes
0023	LFC Cal	05:34	106.5			HPF	cal							Yes
virus0000011_01	parallel	05:57	2161			VIRUS	eng							Yes
0024	Ross_128	05:58	394.1	7.4	ENG26-2-000	HPF	eng	1.64	0.85	20.71	0.99	360		Yes
0025	Ross_128	06:05	394.1	1.4	ENG26-2-000	HPF	eng	1.73	1.16	20.76	0.96	387		Yes
0026	Ross_128	06:12	394.1	0.4	ENG26-2-000	HPF	eng	1.72	1.08	20.74	0.96	418		Yes
0027	Ross_128	06:19	394.1	0.4	ENG26-2-000	HPF	eng	1.73	1.03	20.74	0.98	402		Yes
0028	Ross_128	06:27	394.1	0.4	ENG26-2-000	HPF	eng	1.97	1.61	20.79	0.92	324		Yes
0029	LFC Cal	06:35	106.5			HPF	cal							Yes
virus0000012_01	WD1026+453_052_W	06:40	120	7.0		VIRUS	spec	1.64	0.80	22.11	0.81			Yes
virus0000012_02	WD1026+453_052_W	06:43	120	1.0		VIRUS	spec	1.80	0.75	22.12	0.82			Yes
virus0000012_03	WD1026+453_052_W	06:46	120	1.0		VIRUS	spec	1.84	0.90	22.09	0.76			Yes
lrs20000013_01	parallel	06:52	360			LRS2	sci							Yes
virus0000013_01	QID 556	06:52	360	4.0	UT26-2-016	VIRUS	sci	1.83	1.15	22.21	0.82			Yes
0030	LFC Cal	06:53	106.5			HPF	cal							Yes
0031	LFC Cal	06:55	106.5			HPF	cal							Yes
lrs20000013_02	parallel	07:00	360			LRS2	sci							Yes
virus0000013_02	QID 556	07:00	360	2.0	UT26-2-016	VIRUS	sci	1.79	1.23	22.18	0.76			Yes
lrs20000013_03	parallel	07:07	360			LRS2	sci							Yes
virus0000013_03	QID 556	07:07	360	1.0	UT26-2-016	VIRUS	sci	1.90	1.38	22.18	0.82			Yes
lrs20000014_01	parallel	07:16	360			LRS2	sci							Yes
virus0000014_01	QID 554	07:16	360	3.0	UT26-2-016	VIRUS	sci	2.01	1.23	22.04	0.86			Yes
0032	LFC Cal	07:17	106.5			HPF	cal							Yes
0033	LFC Cal	07:19	106.5			HPF	cal							Yes
lrs20000014_02	parallel	07:24	360			LRS2	sci							Yes
virus0000014_02	QID 554	07:24	360	2.0	UT26-2-016	VIRUS	sci	1.93	1.17	22.05	0.87			Yes
lrs20000014_03	parallel	07:31	360			LRS2	sci							Yes
virus0000014_03	QID 554	07:31	360	1.0	UT26-2-016	VIRUS	sci	1.94	1.01	22.06	0.84			Yes
0034	QID 77	07:45	42.6	8.3	UT26-2-019	HPF	sci	1.89	1.22	20.71	0.96	518		Yes
0035	LFC Cal	07:47	106.5			HPF	cal							Yes
virus0000015_01	parallel	07:51	5097			VIRUS	sci							Yes
0036	QID 794	07:52	308.9	5.9	UT26-2-005	HPF	sci	1.64	0.97	21.00	0.93	249		Yes
0037	QID 794	07:58	308.9	0.9	UT26-2-005	HPF	sci	1.63	0.94	20.98	0.95	258		Yes
0038	QID 794	08:03	308.9	-0.1	UT26-2-005	HPF	sci	1.69	0.93	20.96	0.96	266		Yes
0039	QID 794	08:09	308.9	0.9	UT26-2-005	HPF	sci	1.79	1.20	20.89	0.97	267		Yes
0040	QID 794	08:15	308.9	0.9	UT26-2-005	HPF	sci	1.80	0.90	20.85	0.98	276		Yes
0041	QID 794	08:21	308.9	0.9	UT26-2-005	HPF	sci	1.88	1.09	20.81	0.96	268		Yes
0042	QID 794	08:26	308.9	0.9	UT26-2-005	HPF	sci	1.89	1.04	20.80	0.94	248		Yes
0043	QID 794	08:32	308.9	-0.1	UT26-2-005	HPF	sci	1.87	1.18	20.79	0.90	228		Yes
0044	QID 794	08:38	308.9	0.9	UT26-2-005	HPF	sci	1.86	1.23	20.83	0.87	209		Yes
0045	QID 794	08:44	308.9	0.9	UT26-2-005	HPF	sci	1.82	1.07	20.81	0.84	194		Yes
0046	QID 794	08:50	308.9	0.9	UT26-2-005	HPF	sci	1.91	1.11	20.78	0.82	171		Yes
0047	QID 97	09:04	969.1	8.8	UT26-2-019	HPF	sci	2.23	1.50	20.91	1.03	336		Yes
virus0000016_01	parallel	09:04	1023			VIRUS	sci							Yes
0048	LFC Cal	09:22	106.5			HPF	cal							Yes
virus0000017_01	parallel	09:46	1800			VIRUS	sci							Yes
0049	LFC Cal	09:47	106.5			HPF	cal							Yes
lrs20000015_01	QID 457	09:47	1800	5.0	UT26-2-018	LRS2-B	sci	1.87	1.24	22.03	0.99			Yes
0050	LFC Cal	09:49	106.5			HPF	cal							Yes
0051	LFC Cal	09:51	106.5			HPF	cal							Yes
virus0000018_01	parallel	10:20	900			VIRUS	sci							Yes
lrs20000016_01	QID 458	10:20	900	3.0	UT26-2-018	LRS2-R	sci	1.52	0.95	20.82	1.06			Yes
0052	LFC Cal	10:21	106.5			HPF	cal							Yes
0053	LFC Cal	10:23	106.5			HPF	cal							Yes
0054	LFC Cal	10:25	106.5			HPF	cal							Yes
virus0000019_01	parallel	10:40	2047			VIRUS	sci							Yes
0055	QID 803	10:41	969.1	5.8	PSU26-2-015	HPF	sci	1.47	0.87	20.26	0.98	142		Yes
0056	QID 803	10:58	969.1	0.8	PSU26-2-015	HPF	sci	1.53	0.97	20.38	0.91	148		Yes
0057	LFC Cal	11:16	106.5			HPF	cal							Yes
lrs20000017_01	QID 669	11:20	120	6.0	PSU26-2-004	LRS2-B	sci	2.08	1.17	20.55	0.79			Yes
lrs20000018_01	bias	11:25	0			LRS2	cal							Yes
virus0000020_01	bias	11:26	0			VIRUS	cal							Yes
virus0000021_01	Cd-A	11:30	15		ENG26-2-002	VIRUS	cal							Yes
virus0000022_01	Hg	11:32	15		ENG26-2-002	VIRUS	cal							Yes
0058	Dark	11:40	319.5			HPF	cal							Yes
0059	Quartz FCU	11:51	74.5			HPF	cal							Yes
0060	Quartz FCU	11:53	74.5			HPF	cal							Yes
0061	Quartz FCU	11:55	74.5			HPF	cal							Yes
0062	Quartz FCU	11:57	74.5			HPF	cal							Yes
0063	Quartz FCU	11:59	74.5			HPF	cal							Yes
0064	Quartz FCU	12:00	74.5			HPF	cal							Yes
0065	Quartz FCU	12:02	74.5			HPF	cal							Yes
0066	Alpha Bright Cal	12:04	85.2			HPF	cal							Yes
0067	Alpha Bright Cal	12:06	85.2			HPF	cal							Yes
0068	Alpha Bright Cal	12:08	85.2			HPF	cal							Yes
0069	Alpha Bright Cal	12:10	85.2			HPF	cal							Yes
0070	LFC FCU	12:13	106.5			HPF	cal							Yes
0071	LFC FCU	12:15	106.5			HPF	cal							Yes
0072	LFC FCU	12:18	106.5			HPF	cal							Yes
0073	LFC FCU	12:20	106.5			HPF	cal							Yes
0074	LFC FCU	12:22	106.5			HPF	cal							Yes
0075	LFC FCU	12:25	106.5			HPF	cal							Yes
0076	LFC Cal	12:28	106.5			HPF	cal							Yes
0077	LFC Cal	12:30	106.5			HPF	cal							Yes
0078	Etalon Cal	12:38	159.8			HPF	cal							Yes
0079	Etalon Cal	12:41	159.8			HPF	cal							Yes
0080	Etalon Cal	12:44	159.8			HPF	cal							Yes
0081	Etalon Cal	12:47	159.8			HPF	cal							Yes
0082	UNe Slave Cal	12:51	426			HPF	cal							Yes
0083	UNe Slave Cal	12:59	426			HPF	cal							Yes
0084	UNe Slave Cal	13:07	426			HPF	cal							Yes
0085	UNe Slave Cal	13:14	426			HPF	cal							Yes
0086	UNe Slave Cal	13:22	426			HPF	cal							Yes
0087	UNe Slave Cal	13:30	426			HPF	cal							Yes
lrs20009900_01	bias	21:54	0			LRS2	cal							Yes
0066	LFC Cal	21:54	106.5			HPF	cal							Yes
virus0009900_01	flat_Qth	21:55	20			VIRUS	cal							Yes
virus0009901_01	bias	21:56	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	21:57	20			LRS2	cal							Yes
virus0009902_01	dark	21:58	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	21:59	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:00	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:02	15			LRS2	cal							Yes
0067	LFC Cal	22:14	106.5			HPF	cal							Yes
0068	LFC Cal	22:16	106.5			HPF	cal							Yes
0069	LFC Cal	22:18	106.5			HPF	cal							Yes
0070	Dark	22:22	319.5			HPF	cal							Yes
0071	Quartz FCU	22:29	74.5			HPF	cal							Yes
0072	Quartz FCU	22:31	74.5			HPF	cal							Yes
0073	Quartz FCU	22:33	74.5			HPF	cal							Yes
0074	Quartz FCU	22:34	74.5			HPF	cal							Yes
0075	Quartz FCU	22:36	74.5			HPF	cal							Yes
0076	Quartz FCU	22:38	74.5			HPF	cal							Yes
0077	Quartz FCU	22:40	74.5			HPF	cal							Yes
0078	Alpha Bright Cal	22:42	85.2			HPF	cal							Yes
0079	Alpha Bright Cal	22:44	85.2			HPF	cal							Yes
0080	Alpha Bright Cal	22:46	85.2			HPF	cal							Yes
0081	Alpha Bright Cal	22:48	85.2			HPF	cal							Yes
0082	LFC FCU	22:51	106.5			HPF	cal							Yes
0083	LFC FCU	22:53	106.5			HPF	cal							Yes
0084	LFC Cal	22:56	106.5			HPF	cal							Yes
0085	LFC Cal	22:58	106.5			HPF	cal							Yes
0086	Etalon Cal	23:01	159.8			HPF	cal							Yes
0087	UNe Slave Cal	23:05	426			HPF	cal							Yes
lrs20000016_01	flat_Qth_R	23:05	15			LRS2	cal							Yes
lrs20000016_02	flat_Qth_R	23:07	15			LRS2	cal							Yes
lrs20000016_03	flat_Qth_R	23:08	15			LRS2	cal							Yes
lrs20000016_04	flat_Qth_R	23:09	15			LRS2	cal							Yes
lrs20000016_05	flat_Qth_R	23:10	15			LRS2	cal							Yes
lrs20000017_01	flat_ldls_long_B	23:12	20			LRS2	cal							Yes
0088	UNe Slave Cal	23:13	426			HPF	cal							Yes
lrs20000017_02	flat_ldls_long_B	23:13	20			LRS2	cal							Yes
lrs20000017_03	flat_ldls_long_B	23:14	20			LRS2	cal							Yes
lrs20000018_01	Cd-A_B	23:16	29			LRS2	cal							Yes
lrs20000018_02	Cd-A_B	23:17	29			LRS2	cal							Yes
lrs20000018_03	Cd-A_B	23:18	29			LRS2	cal							Yes
0089	UNe Slave Cal	23:20	426			HPF	cal							Yes
lrs20000019_01	FeAr_R	23:20	15			LRS2	cal							Yes
lrs20000019_02	FeAr_R	23:21	15			LRS2	cal							Yes
lrs20000019_03	FeAr_R	23:23	15			LRS2	cal							Yes
lrs20000020_01	Hg_R	23:24	20			LRS2	cal							Yes
lrs20000020_02	Hg_R	23:25	20			LRS2	cal							Yes
lrs20000020_03	Hg_R	23:26	20			LRS2	cal							Yes
0090	UNe Slave Cal	23:28	426			HPF	cal							Yes
lrs20000021_01	Hg_B	23:28	15			LRS2	cal							Yes
lrs20000021_02	Hg_B	23:29	15			LRS2	cal							Yes
lrs20000021_03	Hg_B	23:30	15			LRS2	cal							Yes
0091	UNe Slave Cal	23:36	426			HPF	cal							Yes
virus0000019_01	flat_ldls_long	23:37	15			VIRUS	cal							Yes
virus0000019_02	flat_ldls_long	23:38	15			VIRUS	cal							Yes
virus0000019_03	flat_ldls_long	23:40	15			VIRUS	cal							Yes
virus0000020_01	Cd-A	23:41	15			VIRUS	cal							Yes
virus0000020_02	Cd-A	23:42	15			VIRUS	cal							Yes
0092	UNe Slave Cal	23:44	426			HPF	cal							Yes
virus0000020_03	Cd-A	23:44	15			VIRUS	cal							Yes
virus0000021_01	Hg	23:45	15			VIRUS	cal							Yes
virus0000021_02	Hg	23:47	15			VIRUS	cal							Yes
virus0000021_03	Hg	23:48	15			VIRUS	cal							Yes
lrs20000022_01	bias	23:49	0			LRS2	cal							Yes
virus0000022_01	bias	23:49	0			VIRUS	cal							Yes
lrs20000022_02	bias	23:50	0			LRS2	cal							Yes
virus0000022_02	bias	23:50	0			VIRUS	cal							Yes
lrs20000022_03	bias	23:51	0			LRS2	cal							Yes
virus0000022_03	bias	23:51	0			VIRUS	cal							Yes
lrs20000022_04	bias	23:52	0			LRS2	cal							Yes
virus0000022_04	bias	23:52	0			VIRUS	cal							Yes
lrs20000022_05	bias	23:53	0			LRS2	cal							Yes
virus0000022_05	bias	23:53	0			VIRUS	cal							Yes
lrs20000022_06	bias	23:53	0			LRS2	cal							Yes
virus0000022_06	bias	23:54	0			VIRUS	cal							Yes
lrs20000022_07	bias	23:54	0			LRS2	cal							Yes
virus0000022_07	bias	23:55	0			VIRUS	cal							Yes
lrs20000022_08	bias	23:55	0			LRS2	cal							Yes
virus0000022_08	bias	23:55	0			VIRUS	cal							Yes
lrs20000022_09	bias	23:56	0			LRS2	cal							Yes
virus0000022_09	bias	23:56	0			VIRUS	cal							Yes
lrs20000022_10	bias	23:57	0			LRS2	cal							Yes
virus0000022_10	bias	23:57	0			VIRUS	cal							Yes
lrs20000022_11	bias	23:58	0			LRS2	cal							Yes
virus0000022_11	bias	23:58	0			VIRUS	cal							Yes
lrs20000023_01	dark	23:59	360			LRS2	cal							Yes
virus0000023_01	dark	23:59	360			VIRUS	cal							Yes