HET Night Report Reader

Civil Date	Ephemerides
2026-01-17	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	00:26	01:14	01:43	12:29	12:58	13:46	-	-
Night Length	10:46		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator
Zach Vanderbosch	Justen Pautzke

Overlaps		none

Other Personnel	Joshua Scally

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
00:20	-4.2	3.9	12:58	twilight	12:38
Total Time Open					12:38

Program	Night Priority	Science
01:43	Science
07:56	Idle due to weather (Poor IQ)
08:30	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
01:27	06:39				-152	-2.3	-1.6	-1.6	186	11	First of Night
↪ Comments			Problems during stacking.
11:56	12:23					3.0	1.6	1.4	271	9	Stack/Re-stack

Problem Reports
PR Number	Times	Time Lost	Description	Response
6630	01:44-02:01, 02:20-05:50	03:47	Various segment issues during first stack of night. See PR for more details.	Called: JS JS helped move the missing segment in from CCAS and covered 02:04 for the night. 2:4 was reporting large shear values on all sensors after it was moved in. 2:4 covered and taken out of the array.
6628	02:01-02:20	00:19	Host key issue prevented restart of the SCS system. Reason unclear to user without substantial investigation.	Called: CR He restarted the system while I removed the offending host key from my hosts file.
6629	11:31-11:31	00:00	Juno appeared under high load just before SAMS nomachine session crashed and OTT complained about no server messages.

TO Comments	Very cold with varying temperatures thru the night, otherwise clear with mostly poor seeing.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
lrs20000035_02	dark	00:00	360			LRS2	cal							Yes
virus0000036_02	dark	00:01	360			VIRUS	cal							Yes
lrs20000035_03	dark	00:07	360			LRS2	cal							Yes
virus0000036_03	dark	00:08	360			VIRUS	cal							Yes
lrs20000001_01	skyflat	00:31	7			LRS2	cal							Yes
lrs20000002_01	skyflat	00:32	10			LRS2	cal							Yes
lrs20000003_01	skyflat	00:33	13			LRS2	cal							Yes
lrs20000004_01	skyflat	00:34	16			LRS2	cal							Yes
lrs20000005_01	skyflat	00:36	22			LRS2	cal							Yes
lrs20000006_01	skyflat	00:37	30			LRS2	cal							Yes
virus0000001_01	skyflat	00:40	7			VIRUS	cal							Yes
virus0000002_01	skyflat	00:41	10			VIRUS	cal							Yes
virus0000003_01	skyflat	00:42	14			VIRUS	cal							Yes
virus0000004_01	skyflat	00:44	18			VIRUS	cal							Yes
virus0000005_01	skyflat	00:45	26			VIRUS	cal							Yes
virus0000006_01	flat_ldls_long	01:06	15			VIRUS	cal							Yes
virus0000006_02	flat_ldls_long	01:07	15			VIRUS	cal							Yes
virus0000006_03	flat_ldls_long	01:09	15			VIRUS	cal							Yes
virus0000007_01	Cd-A	01:10	15			VIRUS	cal							Yes
virus0000007_02	Cd-A	01:11	15			VIRUS	cal							Yes
virus0000007_03	Cd-A	01:13	15			VIRUS	cal							Yes
virus0000008_01	Hg	01:14	15			VIRUS	cal							Yes
virus0000008_02	Hg	01:15	15			VIRUS	cal							Yes
virus0000008_03	Hg	01:17	15			VIRUS	cal							Yes
0001	LFC Cal	04:26	106.5			HPF	cal							Yes
0002	LFC Cal	04:28	106.5			HPF	cal							Yes
0003	LFC Cal	04:30	106.5			HPF	cal							Yes
0004	LFC Cal	05:52	106.5			HPF	cal							Yes
0005	LFC Cal	05:54	106.5			HPF	cal							Yes
0006	LFC Cal	05:56	106.5			HPF	cal							Yes
0007	QID 1924	06:48	308.9	7.9	UT26-1-007	HPF	sci	1.93	1.88	20.52	0.77	115		Yes
virus0000009_01	parallel	06:48	1060			VIRUS	sci							Yes
0008	QID 1924	06:54	308.9	0.9	UT26-1-007	HPF	sci	1.95	2.36	20.52	0.72	98		Yes
0009	QID 1924	07:00	308.9	0.9	UT26-1-007	HPF	sci	1.97	1.86	20.52	0.71	95		Yes
virus0000010_01	GD71_042_W	07:13	60	8.0		VIRUS	spec	2.44	2.77	21.53	0.83			Yes
virus0000010_02	GD71_042_W	07:15	60	1.0		VIRUS	spec	2.92	2.74	21.51	0.82			Yes
virus0000010_03	GD71_042_W	07:17	60	1.0		VIRUS	spec	2.75	2.73	21.53	0.83			Yes
lrs20000007_01	parallel	07:23	600			LRS2	sci							Yes
virus0000011_01	QID 494	07:23	600	5.0	UT26-1-018	VIRUS	sci	2.52	3.44	21.72	0.85			Yes
0010	LFC Cal	07:24	106.5			HPF	cal							Yes
0011	LFC Cal	07:26	106.5			HPF	cal							Yes
0012	LFC Cal	07:28	106.5			HPF	cal							Yes
lrs20000007_02	parallel	07:35	600			LRS2	sci							Yes
virus0000011_02	QID 494	07:35	600	2.0	UT26-1-018	VIRUS	sci	2.33	2.33	21.70	0.91			Yes
lrs20000007_03	parallel	07:46	600			LRS2	sci							Yes
virus0000011_03	QID 494	07:46	600	1.0	UT26-1-018	VIRUS	sci	2.23	2.04	21.70	0.92			Yes
0013	LFC Cal	08:00	106.5			HPF	cal							Yes
lrs20000008_01	parallel	08:00	300			LRS2	sci							Yes
virus0000012_01	QID 1246	08:00	300	4.0	M26-1-004	VIRUS	sci	2.69	2.29	21.75	0.86		Poor image quality during last exposure, seeing degraded.	No
0014	LFC Cal	08:02	106.5			HPF	cal							Yes
0015	LFC Cal	08:07	106.5			HPF	cal							Yes
lrs20000009_01	parallel	08:07	300			LRS2	sci							Yes
virus0000013_01	QID 1247	08:07	300	2.0	M26-1-004	VIRUS	sci	3.08	2.44	21.63	0.89			No
0016	LFC Cal	08:10	106.5			HPF	cal							Yes
0017	LFC Cal	08:17	106.5			HPF	cal							Yes
lrs20000010_01	parallel	08:17	300			LRS2	sci							Yes
virus0000014_01	QID 1248	08:17	300	5.0	M26-1-004	VIRUS	sci	2.83	2.61	21.91	0.63			No
0018	LFC Cal	08:19	106.5			HPF	cal							Yes
lrs20000011_01	parallel	08:25	300			LRS2	sci							Yes
virus0000015_01	QID 1249	08:25	300	3.0	M26-1-004	VIRUS	sci	3.55	3.27	21.72	0.80			No
0019	LFC Cal	08:26	106.5			HPF	cal							Yes
0020	LFC Cal	08:28	106.5			HPF	cal							Yes
0021	LFC Cal	08:38	106.5			HPF	cal							Yes
virus0000016_01	parallel	08:38	300			VIRUS	sci							Yes
lrs20000012_01	QID 53	08:38	300	8.0	PSU26-1-003	LRS2-R	sci	3.17	2.77	20.95	0.72			P4
0022	LFC Cal	08:40	106.5			HPF	cal							Yes
0023	LFC Cal	08:52	106.5			HPF	cal							Yes
virus0000017_01	parallel	08:52	1200			VIRUS	sci							Yes
lrs20000013_01	QID 1940	08:52	1200	9.0	UT26-1-002	LRS2-B	sci	3.23	3.28	21.74	0.81		Image quality slightly above 3.0" during first exposure. Please check data and reject if needed.	Yes
0024	LFC Cal	08:55	106.5			HPF	cal							Yes
0025	LFC Cal	08:57	106.5			HPF	cal							Yes
0026	LFC Cal	09:17	106.5			HPF	cal							Yes
virus0000018_01	parallel	09:17	1200			VIRUS	sci							Yes
lrs20000014_01	QID 1941	09:17	1200	5.0	UT26-1-002	LRS2-R	sci	2.93	2.52	20.80	0.92			Yes
0027	LFC Cal	09:20	106.5			HPF	cal							Yes
0028	LFC Cal	09:22	106.5			HPF	cal							Yes
lrs20000015_01	HZ44_056_E	09:46	60	9.0		LRS2	spec	2.83	2.25	22.10	0.67			Yes
lrs20000016_01	HZ44_066_E	09:53	120	6.0		LRS2	spec	2.93	2.80	21.14	0.82			Yes
0029	LFC Cal	10:05	106.5			HPF	cal							Yes
virus0000019_01	parallel	10:05	1500			VIRUS	sci							Yes
lrs20000017_01	QID 85	10:05	1500	10.0	PSU26-1-013	LRS2-B	sci	2.94	1.78	21.71	0.79			P4
0030	LFC Cal	10:08	106.5			HPF	cal							Yes
0031	LFC Cal	10:10	106.5			HPF	cal							Yes
virus0000020_01	parallel	10:36	3300			VIRUS	sci							Yes
0032	LFC Cal	10:37	106.5			HPF	cal							Yes
lrs20000018_01	QID 1588	10:37	3300	7.0	M26-1-011	LRS2-B	sci	2.39	1.42	21.91	0.78			Yes
0033	LFC Cal	10:39	106.5			HPF	cal							Yes
0034	LFC Cal	10:41	106.5			HPF	cal							Yes
0035	QID 1874	11:40	969.1	7.8	PSU26-1-007	HPF	sci	2.20	1.25	20.39	0.92	34		P4
virus0000021_01	parallel	11:40	1023			VIRUS	sci							Yes
0036	LFC Cal	11:58	106.5			HPF	cal							Yes
virus0000022_01	parallel	12:28	1060			VIRUS	sci							Yes
0037	QID 329	12:29	308.9	5.9	UT26-1-007	HPF	sci	1.63	1.18	20.44	0.90	71		P4
0038	QID 329	12:35	308.9	0.9	UT26-1-007	HPF	sci	1.60	1.34	20.33	0.91	69		P4
0039	QID 329	12:40	308.9	-0.1	UT26-1-007	HPF	sci	1.53	1.36	20.15	0.91	69		P4
0040	QID 1839	12:53	32	8.5	PSU26-1-011	HPF	sci	1.60	1.08	18.43	0.90	522		P4
lrs20000019_01	bias	12:55	0			LRS2	cal							Yes
virus0000023_01	bias	12:56	0			VIRUS	cal							Yes
virus0000024_01	Cd-A	13:01	15		ENG26-1-002	VIRUS	cal							Yes
virus0000025_01	Hg	13:02	15		ENG26-1-002	VIRUS	cal							Yes
0041	Dark	13:10	319.5			HPF	cal							Yes
0042	Quartz FCU	13:21	74.5			HPF	cal							Yes
0043	Quartz FCU	13:23	74.5			HPF	cal							Yes
0044	Quartz FCU	13:25	74.5			HPF	cal							Yes
0045	Quartz FCU	13:27	74.5			HPF	cal							Yes
0046	Quartz FCU	13:28	74.5			HPF	cal							Yes
0047	Quartz FCU	13:30	74.5			HPF	cal							Yes
0048	Quartz FCU	13:32	74.5			HPF	cal							Yes
0049	Alpha Bright Cal	13:34	85.2			HPF	cal							Yes
0050	Alpha Bright Cal	13:36	85.2			HPF	cal							Yes
0051	Alpha Bright Cal	13:38	85.2			HPF	cal							Yes
0052	Alpha Bright Cal	13:40	85.2			HPF	cal							Yes
0053	LFC FCU	13:43	106.5			HPF	cal							Yes
0054	LFC FCU	13:45	106.5			HPF	cal							Yes
0055	LFC FCU	13:47	106.5			HPF	cal							Yes
0056	LFC FCU	13:50	106.5			HPF	cal							Yes
0057	LFC FCU	13:52	106.5			HPF	cal							Yes
0058	LFC FCU	13:54	106.5			HPF	cal							Yes
0059	LFC Cal	13:57	106.5			HPF	cal							Yes
0060	LFC Cal	14:00	106.5			HPF	cal							Yes
0061	Etalon Cal	14:07	159.8			HPF	cal							Yes
0062	Etalon Cal	14:11	159.8			HPF	cal							Yes
0063	Etalon Cal	14:14	159.8			HPF	cal							Yes
0064	Etalon Cal	14:17	159.8			HPF	cal							Yes
0065	UNe Slave Cal	14:21	426			HPF	cal							Yes
0066	UNe Slave Cal	14:28	426			HPF	cal							Yes
0067	UNe Slave Cal	14:36	426			HPF	cal							Yes
0068	UNe Slave Cal	14:44	426			HPF	cal							Yes
0069	UNe Slave Cal	14:52	426			HPF	cal							Yes
0090	LFC Cal	22:14	106.5			HPF	cal							Yes
lrs20009900_01	bias	22:26	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	22:26	20			VIRUS	cal							Yes
virus0009901_01	bias	22:28	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	22:28	20			LRS2	cal							Yes
virus0009902_01	dark	22:30	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:31	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:32	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:34	15			LRS2	cal							Yes
0091	Dark	22:36	319.5			HPF	cal							Yes
0092	Quartz FCU	22:42	74.5			HPF	cal							Yes
0093	Quartz FCU	22:44	74.5			HPF	cal							Yes
0094	Quartz FCU	22:46	74.5			HPF	cal							Yes
0095	Quartz FCU	22:48	74.5			HPF	cal							Yes
0096	Quartz FCU	22:49	74.5			HPF	cal							Yes
0097	Quartz FCU	22:51	74.5			HPF	cal							Yes
0098	Quartz FCU	22:53	74.5			HPF	cal							Yes
0099	Alpha Bright Cal	22:55	85.2			HPF	cal							Yes
0100	Alpha Bright Cal	22:57	85.2			HPF	cal							Yes
0101	Alpha Bright Cal	22:59	85.2			HPF	cal							Yes
0102	Alpha Bright Cal	23:01	85.2			HPF	cal							Yes
0103	LFC FCU	23:04	106.5			HPF	cal							Yes
0104	LFC FCU	23:06	106.5			HPF	cal							Yes
0105	LFC Cal	23:09	106.5			HPF	cal							Yes
0106	LFC Cal	23:11	106.5			HPF	cal							Yes
0107	Etalon Cal	23:14	159.8			HPF	cal							Yes
0108	UNe Slave Cal	23:18	426			HPF	cal							Yes
lrs20000028_01	flat_Qth_R	23:18	15			LRS2	cal							Yes
lrs20000028_02	flat_Qth_R	23:19	15			LRS2	cal							Yes
lrs20000028_03	flat_Qth_R	23:21	15			LRS2	cal							Yes
lrs20000028_04	flat_Qth_R	23:22	15			LRS2	cal							Yes
lrs20000028_05	flat_Qth_R	23:23	15			LRS2	cal							Yes
lrs20000029_01	flat_ldls_long_B	23:24	20			LRS2	cal							Yes
0109	UNe Slave Cal	23:25	426			HPF	cal							Yes
lrs20000029_02	flat_ldls_long_B	23:26	20			LRS2	cal							Yes
lrs20000029_03	flat_ldls_long_B	23:27	20			LRS2	cal							Yes
lrs20000030_01	Cd-A_B	23:28	29			LRS2	cal							Yes
lrs20000030_02	Cd-A_B	23:30	29			LRS2	cal							Yes
lrs20000030_03	Cd-A_B	23:31	29			LRS2	cal							Yes
0110	UNe Slave Cal	23:33	426			HPF	cal							Yes
lrs20000031_01	FeAr_R	23:33	15			LRS2	cal							Yes
lrs20000031_02	FeAr_R	23:34	15			LRS2	cal							Yes
lrs20000031_03	FeAr_R	23:35	15			LRS2	cal							Yes
lrs20000032_01	Hg_R	23:36	20			LRS2	cal							Yes
lrs20000032_02	Hg_R	23:38	20			LRS2	cal							Yes
lrs20000032_03	Hg_R	23:39	20			LRS2	cal							Yes
lrs20000033_01	Hg_B	23:40	15			LRS2	cal							Yes
0111	UNe Slave Cal	23:41	426			HPF	cal							Yes
lrs20000033_02	Hg_B	23:41	15			LRS2	cal							Yes
lrs20000033_03	Hg_B	23:43	15			LRS2	cal							Yes
lrs20000034_01	bias	23:44	0			LRS2	cal							Yes
virus0000035_01	bias	23:44	0			VIRUS	cal							Yes
lrs20000034_02	bias	23:45	0			LRS2	cal							Yes
virus0000035_02	bias	23:45	0			VIRUS	cal							Yes
lrs20000034_03	bias	23:46	0			LRS2	cal							Yes
virus0000035_03	bias	23:46	0			VIRUS	cal							Yes
lrs20000034_04	bias	23:47	0			LRS2	cal							Yes
virus0000035_04	bias	23:47	0			VIRUS	cal							Yes
lrs20000034_05	bias	23:47	0			LRS2	cal							Yes
virus0000035_05	bias	23:48	0			VIRUS	cal							Yes
lrs20000034_06	bias	23:48	0			LRS2	cal							Yes
virus0000035_06	bias	23:49	0			VIRUS	cal							Yes
0112	UNe Slave Cal	23:49	426			HPF	cal							Yes
lrs20000034_07	bias	23:49	0			LRS2	cal							Yes
virus0000035_07	bias	23:49	0			VIRUS	cal							Yes
lrs20000034_08	bias	23:50	0			LRS2	cal							Yes
virus0000035_08	bias	23:50	0			VIRUS	cal							Yes
lrs20000034_09	bias	23:51	0			LRS2	cal							Yes
virus0000035_09	bias	23:51	0			VIRUS	cal							Yes
lrs20000034_10	bias	23:52	0			LRS2	cal							Yes
virus0000035_10	bias	23:52	0			VIRUS	cal							Yes
lrs20000034_11	bias	23:53	0			LRS2	cal							Yes
virus0000035_11	bias	23:53	0			VIRUS	cal							Yes
lrs20000035_01	dark	23:53	360			LRS2	cal							Yes
virus0000036_01	dark	23:54	360			VIRUS	cal							Yes
0113	UNe Slave Cal	23:56	426			HPF	cal							Yes