HET Night Report Reader

Civil Date	Ephemerides
2026-03-16	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:12	01:57	02:25	11:43	12:11	12:57	12:17	-
Night Length	9:18		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator
Tyler Ryburn / Zach Vanderbosch	Amy Westfall

Overlaps
TO Overlap	RA Overlap
-	Sergey Rostopchin

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
01:06	2.9	6.9	12:16	twilight	11:10
Total Time Open					11:10

Program	Night Priority	Science
02:25	Idle due to weather (cloudy)
03:24	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
01:36	02:34	0.97	1.53	80	-1008	1.6	3.4	4.1	84	4	First of Night
04:10	05:03					4.0	3.4	2.8	186	3	Stack/Re-stack
↪ Comments			Had to mess around with SAMS sensors
12:10	12:15	1.07	1.58	-130	-459	6.9	6.7	6.5	177	10	Post-Observing

Problem Reports
PR Number	Times	Time Lost	Description	Response
6554	09:57-10:02	00:05	HPFACQ not updating images	Restarted pas server

TO Comments	Clear and calm night with rising temperatures and some rocky seeing.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
lrs20000018_03	dark	00:03	360			LRS2	cal							Yes
virus0000017_03	dark	00:03	360			VIRUS	cal							Yes
lrs20000001_01	skyflat	01:15	7			LRS2	cal							Yes
lrs20000002_01	skyflat	01:16	10			LRS2	cal							Yes
lrs20000003_01	skyflat	01:18	13			LRS2	cal							Yes
lrs20000004_01	skyflat	01:19	16			LRS2	cal							Yes
lrs20000005_01	skyflat	01:20	22			LRS2	cal							Yes
lrs20000006_01	skyflat	01:21	30			LRS2	cal							Yes
virus0000001_01	skyflat	01:23	7			VIRUS	cal							Yes
virus0000002_01	skyflat	01:24	10			VIRUS	cal							Yes
virus0000003_01	skyflat	01:25	14			VIRUS	cal							Yes
virus0000004_01	skyflat	01:27	18			VIRUS	cal							Yes
virus0000005_01	skyflat	01:28	26			VIRUS	cal							Yes
0001	HR4203_tell_std	03:30	117.2	6.0		HPF	telluric	2.09		20.48	0.78			Yes
0002	LFC Cal	03:38	106.5			HPF	cal							Yes
lrs20000007_01	parallel	03:38	600			LRS2	sci							Yes
virus0000006_01	parallel	03:38	600	6.0	M26-1-010	VIRUS	sci	2.39		21.81	0.77			Yes
0003	LFC Cal	03:41	106.5			HPF	cal							Yes
0004	LFC Cal	03:43	106.5			HPF	cal							Yes
lrs20000007_02	parallel	03:49	600			LRS2	sci							Yes
virus0000006_02	parallel	03:49	600	1.0	M26-1-010	VIRUS	sci	2.35		21.80	0.77			Yes
lrs20000007_03	parallel	04:00	600			LRS2	sci							Yes
virus0000006_03	parallel	04:00	600	1.0	M26-1-010	VIRUS	sci	2.45	1.60	21.76	0.78			Yes
0005	LFC Cal	05:09	106.5			HPF	cal							Yes
virus0000007_01	parallel	05:09	1200			VIRUS	sci							Yes
lrs20000008_01	parallel	05:09	1200	6.0	UT26-1-002	LRS2-B	sci	2.08	1.11	22.17	0.75			Yes
0006	LFC Cal	05:11	106.5			HPF	cal							Yes
0007	LFC Cal	05:14	106.5			HPF	cal							Yes
0008	LFC Cal	05:33	106.5			HPF	cal							Yes
virus0000008_01	parallel	05:33	1200			VIRUS	sci							Yes
lrs20000009_01	parallel	05:33	1200	4.0	UT26-1-002	LRS2-R	sci	1.93	1.02	21.26	0.83			Yes
0009	LFC Cal	05:35	106.5			HPF	cal							Yes
0010	LFC Cal	05:38	106.5			HPF	cal							Yes
0011	LFC Cal	05:54	106.5			HPF	cal							Yes
0012	parallel	06:00	617.7	6.7	UT26-1-007	HPF	sci	1.74	1.33	20.54	1.03	18		Yes
virus0000009_01	parallel	06:00	1984			VIRUS	sci							Yes
0013	parallel	06:11	617.7	1.7	UT26-1-007	HPF	sci	1.87	1.40	20.54	1.04	18		Yes
0014	parallel	06:22	617.7	0.7	UT26-1-007	HPF	sci	1.79		20.46	1.03	19		Yes
0015	LFC Cal	06:34	106.5			HPF	cal							Yes
lrs20000010_01	parallel	06:39	600			LRS2	sci							Yes
virus0000010_01	parallel	06:39	600	6.0	UT26-1-018	VIRUS	sci	1.83		21.78	0.95			Yes
0016	LFC Cal	06:40	106.5			HPF	cal							Yes
0017	LFC Cal	06:42	106.5			HPF	cal							Yes
0018	LFC Cal	06:44	106.5			HPF	cal							Yes
lrs20000010_02	parallel	06:51	600			LRS2	sci							Yes
virus0000010_02	parallel	06:51	600	2.0	UT26-1-018	VIRUS	sci	1.94	1.15	21.72	0.93			Yes
lrs20000010_03	parallel	07:02	600			LRS2	sci							Yes
virus0000010_03	parallel	07:02	600	1.0	UT26-1-018	VIRUS	sci	2.17	1.10	21.58	1.04			Yes
lrs20000011_01	BD+262606_056_E	07:18	60	6.0		LRS2	spec	1.96	1.39	22.24	0.75			Yes
lrs20000012_01	BD+262606_066_E	07:22	30	3.5		LRS2	spec	2.02	1.40	21.12	0.79			Yes
0019	parallel	07:31	969.1	8.8	UT26-1-014	HPF	sci	1.81	1.31	20.65	0.91	315		P4
virus0000011_01	parallel	07:31	1023			VIRUS	sci							Yes
0020	LFC Cal	07:49	106.5			HPF	cal							Yes
0021	parallel	07:53	969.1	5.8	PSU26-1-007	HPF	sci	1.98	1.12	20.54	0.98	40		Yes
virus0000012_01	parallel	07:53	1023			VIRUS	sci							Yes
0022	LFC Cal	08:11	106.5			HPF	cal							Yes
virus0000013_01	P177D_034_E	08:16	60	6.0		VIRUS	spec	1.83	1.02	22.09	0.76			Yes
virus0000013_02	P177D_034_E	08:18	60	1.0		VIRUS	spec	1.85	1.04	22.07	0.76			Yes
virus0000013_03	P177D_034_E	08:20	60	1.0		VIRUS	spec	1.76	0.95	22.10	0.76			Yes
0023	LFC Cal	08:27	106.5			HPF	cal							Yes
lrs20000013_01	parallel	08:27	1000			LRS2	sci							Yes
virus0000014_01	parallel	08:27	1000	6.3	UT26-1-018	VIRUS	sci	1.93	1.06	21.89	0.91			Yes
0024	LFC Cal	08:30	106.5			HPF	cal							Yes
0025	LFC Cal	08:32	106.5			HPF	cal							Yes
lrs20000013_02	parallel	08:45	1000			LRS2	sci							Yes
virus0000014_02	parallel	08:45	1000	1.3	UT26-1-018	VIRUS	sci	1.81	0.98	21.97	0.90			Yes
lrs20000013_03	parallel	09:03	1000			LRS2	sci							Yes
virus0000014_03	parallel	09:03	1000	1.3	UT26-1-018	VIRUS	sci	2.00	1.20	22.02	0.91			Yes
virus0000015_01	parallel	09:25	1321			VIRUS	sci							Yes
0026	parallel	09:26	617.7	5.7	UT26-1-009	HPF	sci	1.71	1.03	20.55	0.97	133		P4
0027	parallel	09:37	617.7	0.7	UT26-1-009	HPF	sci	1.75	1.03	20.52	0.98	135		P4
0028	parallel	09:55	42.6	8.3	UT26-1-014	HPF	sci	2.38	1.28	20.25	0.91	463		P4
0029	LFC Cal	09:57	106.5			HPF	cal							Yes
0030	parallel	10:04	42.6	8.3	UT26-1-014	HPF	sci	2.48	1.73	20.39		414		P4
0031	LFC Cal	10:06	106.5			HPF	cal							Yes
virus0000016_01	parallel	10:13	2047			VIRUS	sci							Yes
0032	parallel	10:14	969.1	8.8	PSU26-1-023	HPF	sci	2.35	1.55	20.30	0.92	109		Yes
0033	parallel	10:31	969.1	0.8	PSU26-1-023	HPF	sci	2.41	2.36	20.31	0.93	121		Yes
0034	LFC Cal	10:49	106.5			HPF	cal							Yes
virus0000017_01	parallel	10:55	2047			VIRUS	sci							Yes
0035	parallel	10:56	969.1	8.8	PSU26-1-023	HPF	sci	2.51	1.51	20.28	0.88	68		Yes
0036	parallel	11:13	969.1	0.8	PSU26-1-023	HPF	sci	2.45	1.87	20.26	0.92	68		Yes
0037	LFC Cal	11:31	106.5			HPF	cal							Yes
0038	LFC Cal	11:37	106.5			HPF	cal							Yes
virus0000018_01	parallel	11:37	300			VIRUS	sci							Yes
lrs20000014_01	parallel	11:37	300	8.0	PSU26-1-003	LRS2-R	sci	2.62	1.71	20.84	1.00			P4
0039	LFC Cal	11:39	106.5			HPF	cal							Yes
0040	parallel	11:51	969.1	8.8	UT26-1-014	HPF	sci	2.41	1.61	19.95	0.92	226		Yes
virus0000019_01	parallel	11:51	1023			VIRUS	sci							Yes
0041	LFC Cal	12:09	106.5			HPF	cal							Yes
lrs20000015_01	bias	12:11	0			LRS2	cal							Yes
virus0000020_01	bias	12:12	0			VIRUS	cal							Yes
virus0000021_01	Cd-A	12:16	15		ENG26-1-002	VIRUS	cal							Yes
virus0000022_01	Hg	12:17	15		ENG26-1-002	VIRUS	cal							Yes
0042	Dark	12:25	319.5			HPF	cal							Yes
0043	Quartz FCU	12:37	74.5			HPF	cal							Yes
0044	Quartz FCU	12:39	74.5			HPF	cal							Yes
0045	Quartz FCU	12:40	74.5			HPF	cal							Yes
0046	Quartz FCU	12:42	74.5			HPF	cal							Yes
0047	Quartz FCU	12:44	74.5			HPF	cal							Yes
0048	Quartz FCU	12:46	74.5			HPF	cal							Yes
0049	Quartz FCU	12:48	74.5			HPF	cal							Yes
0050	Alpha Bright Cal	12:50	85.2			HPF	cal							Yes
0051	Alpha Bright Cal	12:52	85.2			HPF	cal							Yes
0052	Alpha Bright Cal	12:54	85.2			HPF	cal							Yes
0053	Alpha Bright Cal	12:56	85.2			HPF	cal							Yes
0054	LFC FCU	12:58	106.5			HPF	cal							Yes
0055	LFC FCU	13:01	106.5			HPF	cal							Yes
0056	LFC FCU	13:03	106.5			HPF	cal							Yes
0057	LFC FCU	13:05	106.5			HPF	cal							Yes
0058	LFC FCU	13:08	106.5			HPF	cal							Yes
0059	LFC FCU	13:10	106.5			HPF	cal							Yes
0060	LFC Cal	13:13	106.5			HPF	cal							Yes
0061	LFC Cal	13:15	106.5			HPF	cal							Yes
0062	Etalon Cal	13:23	159.8			HPF	cal							Yes
0063	Etalon Cal	13:26	159.8			HPF	cal							Yes
0064	Etalon Cal	13:29	159.8			HPF	cal							Yes
0065	Etalon Cal	13:32	159.8			HPF	cal							Yes
virus0008100_01	dark	13:35	20			VIRUS	cal							Yes
0066	UNe Slave Cal	13:36	426			HPF	cal							Yes
virus0008100_02	dark	13:36	20			VIRUS	cal							Yes
virus0008101_01	flat_ldls_long	13:40	15			VIRUS	cal							Yes
virus0008101_02	flat_ldls_long	13:41	15			VIRUS	cal							Yes
virus0008102_01	bias	13:43	0			VIRUS	cal							Yes
virus0008102_02	bias	13:43	0			VIRUS	cal							Yes
0067	UNe Slave Cal	13:44	426			HPF	cal							Yes
0068	UNe Slave Cal	13:52	426			HPF	cal							Yes
0069	UNe Slave Cal	13:59	426			HPF	cal							Yes
0070	UNe Slave Cal	14:07	426			HPF	cal							Yes
0071	UNe Slave Cal	14:15	426			HPF	cal							Yes
virus0008106_01	dark	18:24	20			VIRUS	cal							Yes
virus0008106_02	dark	18:25	20			VIRUS	cal							Yes
virus0008107_01	flat_ldls_long	18:29	15			VIRUS	cal							Yes
virus0008107_02	flat_ldls_long	18:31	15			VIRUS	cal							Yes
virus0008108_01	bias	18:32	0			VIRUS	cal							Yes
virus0008108_02	bias	18:33	0			VIRUS	cal							Yes
lrs20009900_01	bias	21:59	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	21:59	20			VIRUS	cal							Yes
virus0009901_01	bias	22:01	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	22:01	20			LRS2	cal							Yes
virus0009902_01	dark	22:03	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:04	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:05	15			LRS2	cal							Yes
0060	LFC Cal	22:07	106.5			HPF	cal							Yes
lrs20009904_01	Hg_B	22:07	15			LRS2	cal							Yes
0061	Dark	22:13	319.5			HPF	cal							Yes
0062	Quartz FCU	22:20	74.5			HPF	cal							Yes
0063	Quartz FCU	22:21	74.5			HPF	cal							Yes
0064	Quartz FCU	22:23	74.5			HPF	cal							Yes
0065	Quartz FCU	22:25	74.5			HPF	cal							Yes
0066	Quartz FCU	22:27	74.5			HPF	cal							Yes
0067	Quartz FCU	22:28	74.5			HPF	cal							Yes
0068	Quartz FCU	22:30	74.5			HPF	cal							Yes
0069	Alpha Bright Cal	22:33	85.2			HPF	cal							Yes
0070	Alpha Bright Cal	22:35	85.2			HPF	cal							Yes
0071	Alpha Bright Cal	22:36	85.2			HPF	cal							Yes
0072	Alpha Bright Cal	22:38	85.2			HPF	cal							Yes
0073	LFC FCU	22:41	106.5			HPF	cal							Yes
0074	LFC FCU	22:44	106.5			HPF	cal							Yes
0075	LFC Cal	22:46	106.5			HPF	cal							Yes
0076	LFC Cal	22:49	106.5			HPF	cal							Yes
0077	Etalon Cal	22:51	159.8			HPF	cal							Yes
0078	UNe Slave Cal	22:55	426			HPF	cal							Yes
lrs20000011_01	flat_Qth_R	22:56	15			LRS2	cal							Yes
lrs20000011_02	flat_Qth_R	22:57	15			LRS2	cal							Yes
lrs20000011_03	flat_Qth_R	22:59	15			LRS2	cal							Yes
lrs20000011_04	flat_Qth_R	23:00	15			LRS2	cal							Yes
lrs20000011_05	flat_Qth_R	23:01	15			LRS2	cal							Yes
lrs20000012_01	flat_ldls_long_B	23:02	20			LRS2	cal							Yes
0079	UNe Slave Cal	23:03	426			HPF	cal							Yes
lrs20000012_02	flat_ldls_long_B	23:04	20			LRS2	cal							Yes
lrs20000012_03	flat_ldls_long_B	23:05	20			LRS2	cal							Yes
lrs20000013_01	Cd-A_B	23:06	29			LRS2	cal							Yes
lrs20000013_02	Cd-A_B	23:08	29			LRS2	cal							Yes
lrs20000013_03	Cd-A_B	23:09	29			LRS2	cal							Yes
0080	UNe Slave Cal	23:11	426			HPF	cal							Yes
lrs20000014_01	FeAr_R	23:11	15			LRS2	cal							Yes
lrs20000014_02	FeAr_R	23:12	15			LRS2	cal							Yes
lrs20000014_03	FeAr_R	23:13	15			LRS2	cal							Yes
lrs20000015_01	Hg_R	23:14	20			LRS2	cal							Yes
lrs20000015_02	Hg_R	23:16	20			LRS2	cal							Yes
lrs20000015_03	Hg_R	23:17	20			LRS2	cal							Yes
0081	UNe Slave Cal	23:18	426			HPF	cal							Yes
lrs20000016_01	Hg_B	23:18	15			LRS2	cal							Yes
lrs20000016_02	Hg_B	23:19	15			LRS2	cal							Yes
lrs20000016_03	Hg_B	23:21	15			LRS2	cal							Yes
0082	UNe Slave Cal	23:26	426			HPF	cal							Yes
virus0000013_01	flat_ldls_long	23:27	15			VIRUS	cal							Yes
virus0000013_02	flat_ldls_long	23:29	15			VIRUS	cal							Yes
virus0000013_03	flat_ldls_long	23:30	15			VIRUS	cal							Yes
virus0000014_01	Cd-A	23:31	15			VIRUS	cal							Yes
virus0000014_02	Cd-A	23:33	15			VIRUS	cal							Yes
0083	UNe Slave Cal	23:34	426			HPF	cal							Yes
virus0000014_03	Cd-A	23:34	15			VIRUS	cal							Yes
virus0000015_01	Hg	23:36	15			VIRUS	cal							Yes
virus0000015_02	Hg	23:37	15			VIRUS	cal							Yes
virus0000015_03	Hg	23:38	15			VIRUS	cal							Yes
lrs20000017_01	bias	23:40	0			LRS2	cal							Yes
virus0000016_01	bias	23:40	0			VIRUS	cal							Yes
lrs20000017_02	bias	23:41	0			LRS2	cal							Yes
virus0000016_02	bias	23:41	0			VIRUS	cal							Yes
lrs20000017_03	bias	23:41	0			LRS2	cal							Yes
virus0000016_03	bias	23:42	0			VIRUS	cal							Yes
lrs20000017_04	bias	23:42	0			LRS2	cal							Yes
virus0000016_04	bias	23:43	0			VIRUS	cal							Yes
lrs20000017_05	bias	23:43	0			LRS2	cal							Yes
virus0000016_05	bias	23:43	0			VIRUS	cal							Yes
lrs20000017_06	bias	23:44	0			LRS2	cal							Yes
virus0000016_06	bias	23:44	0			VIRUS	cal							Yes
lrs20000017_07	bias	23:45	0			LRS2	cal							Yes
virus0000016_07	bias	23:45	0			VIRUS	cal							Yes
lrs20000017_08	bias	23:46	0			LRS2	cal							Yes
virus0000016_08	bias	23:46	0			VIRUS	cal							Yes
lrs20000017_09	bias	23:46	0			LRS2	cal							Yes
virus0000016_09	bias	23:47	0			VIRUS	cal							Yes
lrs20000017_10	bias	23:47	0			LRS2	cal							Yes
virus0000016_10	bias	23:48	0			VIRUS	cal							Yes
lrs20000017_11	bias	23:48	0			LRS2	cal							Yes
virus0000016_11	bias	23:49	0			VIRUS	cal							Yes
lrs20000018_01	dark	23:49	360			LRS2	cal							Yes
virus0000017_01	dark	23:49	360			VIRUS	cal							Yes
lrs20000018_02	dark	23:56	360			LRS2	cal							Yes
virus0000017_02	dark	23:56	360			VIRUS	cal							Yes