HET Night Report Reader

Civil Date	Ephemerides
2025-12-06	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	00:02	00:51	01:20	12:15	12:44	13:33	01:41	-
Night Length	10:55		Sunset Temperature

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

Overlaps
TO Overlap	RA Overlap
Justen Pautzke	Sergey Rostopchin

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
00:00	9.3	9.3	01:50	wind	01:50
02:28	9.5	9.6	02:54	wind	00:26
07:31	8.0	9.3	07:38	wind	00:07
07:52	7.8	8.9	09:08	wind	01:16
10:35	7.3	8.7	12:51	twilight	02:16
Total Time Open					5:55

Program	Night Priority	Science
01:20	Science
01:30	Idle due to weather (High winds)
07:52	Idle due to weather (Poor IQ)
08:17	Science
08:38	Idle due to weather (Poor IQ)
08:47	Science
09:08	Idle due to weather (High winds)
10:36	Science
11:20	Engineering (Non-sidereal target attempt (C2025 N1))

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
00:48	01:10	0.41	0.63	-28	-514	9.3	9.3	9.4	282	24	First of Night
08:47	09:08										Stack/Re-stack
10:36	11:06	0.41	0.65	-38	+264	6.8	7.7	7.9	303	13	Stack/Re-stack
12:42	12:48	0.70	1.08	-88	+490	5.7	6.3	6.5	344	9	Post-Observing

Problem Reports
PR Number	Times	Time Lost	Description	Response
6078	01:11-01:16, 02:29-02:33, 08:27-08:30	00:12	WFS2 fault
6581	01:50-01:50	00:00	Shutter stuck at NEAR_CLOSED

TO Comments	Mostly closed for wind but clear.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
lrs20000001_01	skyflat	00:07	7			LRS2	cal							Yes
lrs20000002_01	skyflat	00:08	10			LRS2	cal							Yes
lrs20000003_01	skyflat	00:09	13			LRS2	cal							Yes
lrs20000004_01	skyflat	00:10	16			LRS2	cal							Yes
lrs20000005_01	skyflat	00:11	22			LRS2	cal							Yes
lrs20000006_01	skyflat	00:13	30			LRS2	cal							Yes
virus0000001_01	skyflat	00:16	7			VIRUS	cal							Yes
virus0000002_01	skyflat	00:17	10			VIRUS	cal							Yes
virus0000003_01	skyflat	00:18	14			VIRUS	cal							Yes
virus0000004_01	skyflat	00:20	18			VIRUS	cal							Yes
virus0000005_01	skyflat	00:21	26			VIRUS	cal							Yes
lrs20000007_01	bias	00:29	0			LRS2	cal							Yes
virus0000006_01	bias	00:30	0			VIRUS	cal							Yes
lrs20000007_02	bias	00:30	0			LRS2	cal							Yes
virus0000006_02	bias	00:30	0			VIRUS	cal							Yes
lrs20000007_03	bias	00:31	0			LRS2	cal							Yes
virus0000006_03	bias	00:31	0			VIRUS	cal							Yes
lrs20000007_04	bias	00:32	0			LRS2	cal							Yes
virus0000006_04	bias	00:32	0			VIRUS	cal							Yes
lrs20000007_05	bias	00:33	0			LRS2	cal							Yes
virus0000006_05	bias	00:33	0			VIRUS	cal							Yes
lrs20000007_06	bias	00:34	0			LRS2	cal							Yes
lrs20000007_07	bias	00:34	0			LRS2	cal							Yes
virus0000006_06	bias	00:34	0			VIRUS	cal							Yes
virus0000006_07	bias	00:35	0			VIRUS	cal							Yes
lrs20000007_08	bias	00:35	0			LRS2	cal							Yes
virus0000006_08	bias	00:36	0			VIRUS	cal							Yes
lrs20000007_09	bias	00:36	0			LRS2	cal							Yes
virus0000006_09	bias	00:37	0			VIRUS	cal							Yes
lrs20000007_10	bias	00:37	0			LRS2	cal							Yes
virus0000006_10	bias	00:37	0			VIRUS	cal							Yes
lrs20000007_11	bias	00:38	0			LRS2	cal							Yes
virus0000006_11	bias	00:38	0			VIRUS	cal							Yes
0001	LFC Cal	01:18	106.5			HPF	cal							Yes
virus0000007_01	parallel	01:18	360			VIRUS	sci							Yes
lrs20000008_01	QID 194	01:18	360	7.0	UT26-1-016	LRS2-R	sci	2.04	1.66	20.54	0.88			Yes
0002	LFC Cal	01:21	106.5			HPF	cal							Yes
lrs20000009_01	QID 278	01:27	180	3.0	UT26-1-016	LRS2-B	sci	2.18	1.55	21.70	0.92			Yes
0003	LFC Cal	01:28	106.5			HPF	cal							Yes
virus0000008_01	parallel	01:36	756			VIRUS	sci							Yes
0004	LFC Cal	01:37	106.5			HPF	cal							Yes
lrs20000010_01	QID 1326	01:37	756	6.4	PSU26-1-021	LRS2-R	sci	2.06	1.91	20.51	1.07		Aborted exposure early due to high winds, dome closed.	No
0005	LFC Cal	01:39	106.5			HPF	cal							Yes
0006	LFC Cal	01:41	106.5			HPF	cal							Yes
0007	QID 1297	02:35	969.1	5.8	PSU26-1-023	HPF	sci	1.89		19.37	0.85	102	Closed dome for high winds, could not complete second exposure.	No
virus0000009_01	parallel	02:35	2047			VIRUS	sci							Yes
0008	LFC Cal	02:53	106.5			HPF	cal							Yes
0009	LFC Cal	06:22	106.5			HPF	cal							Yes
0010	LFC Cal	06:24	106.5			HPF	cal							Yes
0011	LFC Cal	06:26	106.5			HPF	cal							Yes
0012	LFC Cal	07:22	106.5			HPF	cal							Yes
0013	LFC Cal	07:25	106.5			HPF	cal							Yes
0014	LFC Cal	07:27	106.5			HPF	cal							Yes
virus0000010_01	parallel	08:00	2047			VIRUS	sci							Yes
0015	QID 1210	08:01	969.1	8.8	UT26-1-003	HPF	sci	2.81		18.62	0.88	13	Poor image quality.	No
0016	LFC Cal	08:24	106.5			HPF	cal							Yes
lrs20000011_01	QID 463	08:24	180	7.0	PSU26-1-014	LRS2-B	sci	2.62		18.82	0.87			P4
virus0000011_01	parallel	08:32	300			VIRUS	sci							Yes
0017	LFC Cal	08:33	106.5			HPF	cal							Yes
lrs20000012_01	QID 460	08:33	300	3.0	PSU26-1-014	LRS2-B	sci	2.64		18.52	0.76			P4
0018	LFC Cal	08:35	106.5			HPF	cal							Yes
lrs20000013_01	QID 444	08:44	1000	-7.7	PSU26-1-014	LRS2-B	sci	4.00		18.60	0.79		Poor image quality, lost guiding and aborted exposure.	No
virus0000012_01	parallel	08:44	1000			VIRUS	sci							Yes
0019	LFC Cal	08:45	106.5			HPF	cal							Yes
0020	LFC Cal	08:47	106.5			HPF	cal							Yes
0021	LFC Cal	08:49	106.5			HPF	cal							Yes
0022	LFC Cal	09:10	106.5			HPF	cal							Yes
0023	LFC Cal	09:12	106.5			HPF	cal							Yes
0024	LFC Cal	09:14	106.5			HPF	cal							Yes
0025	LFC Cal	10:10	106.5			HPF	cal							Yes
0026	LFC Cal	10:12	106.5			HPF	cal							Yes
0027	LFC Cal	10:15	106.5			HPF	cal							Yes
0028	QID 1096	11:12	74.5	5.8	PSU26-1-011	HPF	sci	1.83		18.01	0.94	486		P4
0029	QID 1072	11:19	32	6.5	PSU26-1-011	HPF	sci	1.98		18.57	0.64	374		Yes
0030	LFC Cal	11:31	106.5			HPF	cal							Yes
lrs20000014_01	parallel	11:31	360			LRS2	eng							Yes
virus0000013_01	2025N1_20251207_000_E	11:31	360	11.0	ENG26-1-000	VIRUS	eng	2.22		18.78	0.58			Yes
0031	LFC Cal	11:34	106.5			HPF	cal							Yes
lrs20000014_02	parallel	11:38	360			LRS2	eng							Yes
virus0000013_02	2025N1_20251207_000_E	11:38	360	1.0	ENG26-1-000	VIRUS	eng	2.19		18.69	0.86			Yes
lrs20000014_03	parallel	11:46	360			LRS2	eng							Yes
virus0000013_03	2025N1_20251207_000_E	11:46	360	2.0	ENG26-1-000	VIRUS	eng	2.57		18.93	0.88			Yes
0032	LFC Cal	11:56	106.5			HPF	cal							Yes
lrs20000015_01	parallel	11:56	1800			LRS2	eng							Yes
virus0000014_01	2025N1_20251207_000_E	11:56	1800	4.0	ENG26-1-000	VIRUS	eng	2.16		19.17	0.83			Yes
0033	LFC Cal	11:58	106.5			HPF	cal							Yes
0034	LFC Cal	12:01	106.5			HPF	cal							Yes
0035	QID 1073	12:32	32	5.5	PSU26-1-011	HPF	sci	1.96		19.09	0.79	364		Yes
0036	QID 1093	12:40	74.5	7.8	PSU26-1-011	HPF	sci	1.93		16.88	0.97	513		P4
lrs20000016_01	bias	12:43	0			LRS2	cal							Yes
virus0000015_01	bias	12:44	0			VIRUS	cal							Yes
virus0000016_01	Cd-A	12:48	15		ENG26-1-002	VIRUS	cal							Yes
virus0000017_01	Hg	12:49	15		ENG26-1-002	VIRUS	cal							Yes
0037	Dark	12:57	319.5			HPF	cal							Yes
0038	Quartz FCU	13:09	74.5			HPF	cal							Yes
0039	Quartz FCU	13:10	74.5			HPF	cal							Yes
0040	Quartz FCU	13:12	74.5			HPF	cal							Yes
0041	Quartz FCU	13:14	74.5			HPF	cal							Yes
0042	Quartz FCU	13:16	74.5			HPF	cal							Yes
0043	Quartz FCU	13:17	74.5			HPF	cal							Yes
0044	Quartz FCU	13:19	74.5			HPF	cal							Yes
0045	Alpha Bright Cal	13:22	85.2			HPF	cal							Yes
0046	Alpha Bright Cal	13:23	85.2			HPF	cal							Yes
0047	Alpha Bright Cal	13:25	85.2			HPF	cal							Yes
0048	Alpha Bright Cal	13:27	85.2			HPF	cal							Yes
0049	LFC FCU	13:30	106.5			HPF	cal							Yes
0050	LFC FCU	13:33	106.5			HPF	cal							Yes
0051	LFC FCU	13:35	106.5			HPF	cal							Yes
0052	LFC FCU	13:37	106.5			HPF	cal							Yes
0053	LFC FCU	13:40	106.5			HPF	cal							Yes
0054	LFC FCU	13:42	106.5			HPF	cal							Yes
0055	LFC Cal	13:45	106.5			HPF	cal							Yes
0056	LFC Cal	13:47	106.5			HPF	cal							Yes
0057	Etalon Cal	13:55	159.8			HPF	cal							Yes
0058	Etalon Cal	13:58	159.8			HPF	cal							Yes
0059	Etalon Cal	14:01	159.8			HPF	cal							Yes
0060	Etalon Cal	14:05	159.8			HPF	cal							Yes
0061	UNe Slave Cal	14:08	426			HPF	cal							Yes
0062	UNe Slave Cal	14:16	426			HPF	cal							Yes
0063	UNe Slave Cal	14:24	426			HPF	cal							Yes
0064	UNe Slave Cal	14:31	426			HPF	cal							Yes
0065	UNe Slave Cal	14:39	426			HPF	cal							Yes
0066	UNe Slave Cal	14:47	426			HPF	cal							Yes
0091	LFC Cal	21:45	106.5			HPF	cal							Yes
lrs20009900_01	bias	21:57	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	21:57	20			VIRUS	cal							Yes
virus0009901_01	bias	21:59	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	21:59	20			LRS2	cal							Yes
virus0009902_01	dark	22:01	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:02	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:03	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:05	15			LRS2	cal							Yes
0092	Dark	22:07	319.5			HPF	cal							Yes
0093	Quartz FCU	22:14	74.5			HPF	cal							Yes
0094	Quartz FCU	22:16	74.5			HPF	cal							Yes
0095	Quartz FCU	22:18	74.5			HPF	cal							Yes
0096	Quartz FCU	22:19	74.5			HPF	cal							Yes
0097	Quartz FCU	22:21	74.5			HPF	cal							Yes
0098	Quartz FCU	22:23	74.5			HPF	cal							Yes
0099	Quartz FCU	22:25	74.5			HPF	cal							Yes
0100	Alpha Bright Cal	22:27	85.2			HPF	cal							Yes
0101	Alpha Bright Cal	22:29	85.2			HPF	cal							Yes
0102	Alpha Bright Cal	22:31	85.2			HPF	cal							Yes
0103	Alpha Bright Cal	22:33	85.2			HPF	cal							Yes
0104	LFC FCU	22:36	106.5			HPF	cal							Yes
0105	LFC FCU	22:38	106.5			HPF	cal							Yes
0106	LFC Cal	22:41	106.5			HPF	cal							Yes
0107	LFC Cal	22:43	106.5			HPF	cal							Yes
0108	Etalon Cal	22:46	159.8			HPF	cal							Yes
0109	UNe Slave Cal	22:49	426			HPF	cal							Yes
lrs20000029_01	flat_Qth_R	22:50	15			LRS2	cal							Yes
lrs20000029_02	flat_Qth_R	22:51	15			LRS2	cal							Yes
lrs20000029_03	flat_Qth_R	22:53	15			LRS2	cal							Yes
lrs20000029_04	flat_Qth_R	22:54	15			LRS2	cal							Yes
lrs20000029_05	flat_Qth_R	22:55	15			LRS2	cal							Yes
lrs20000030_01	flat_ldls_long_B	22:56	20			LRS2	cal							Yes
0110	UNe Slave Cal	22:57	426			HPF	cal							Yes
lrs20000030_02	flat_ldls_long_B	22:58	20			LRS2	cal							Yes
lrs20000030_03	flat_ldls_long_B	22:59	20			LRS2	cal							Yes
lrs20000031_01	Cd-A_B	23:00	29			LRS2	cal							Yes
lrs20000031_02	Cd-A_B	23:02	29			LRS2	cal							Yes
lrs20000031_03	Cd-A_B	23:03	29			LRS2	cal							Yes
0111	UNe Slave Cal	23:05	426			HPF	cal							Yes
lrs20000032_01	FeAr_R	23:05	15			LRS2	cal							Yes
lrs20000032_02	FeAr_R	23:06	15			LRS2	cal							Yes
lrs20000032_03	FeAr_R	23:07	15			LRS2	cal							Yes
lrs20000033_01	Hg_R	23:08	20			LRS2	cal							Yes
lrs20000033_02	Hg_R	23:10	20			LRS2	cal							Yes
lrs20000033_03	Hg_R	23:11	20			LRS2	cal							Yes
lrs20000034_01	Hg_B	23:12	15			LRS2	cal							Yes
0112	UNe Slave Cal	23:13	426			HPF	cal							Yes
lrs20000034_02	Hg_B	23:13	15			LRS2	cal							Yes
lrs20000034_03	Hg_B	23:15	15			LRS2	cal							Yes
0113	UNe Slave Cal	23:20	426			HPF	cal							Yes
virus0000031_01	flat_ldls_long	23:21	15			VIRUS	cal							Yes
virus0000031_02	flat_ldls_long	23:23	15			VIRUS	cal							Yes
virus0000031_03	flat_ldls_long	23:24	15			VIRUS	cal							Yes
virus0000032_01	Cd-A	23:25	15			VIRUS	cal							Yes
virus0000032_02	Cd-A	23:27	15			VIRUS	cal							Yes
0114	UNe Slave Cal	23:28	426			HPF	cal							Yes
virus0000032_03	Cd-A	23:28	15			VIRUS	cal							Yes
virus0000033_01	Hg	23:30	15			VIRUS	cal							Yes
virus0000033_02	Hg	23:31	15			VIRUS	cal							Yes
virus0000033_03	Hg	23:33	15			VIRUS	cal							Yes
lrs20000035_01	dark	23:34	360			LRS2	cal							Yes
virus0000034_01	dark	23:34	360			VIRUS	cal							Yes
lrs20000035_02	dark	23:41	360			LRS2	cal							Yes
virus0000034_02	dark	23:41	360			VIRUS	cal							Yes
lrs20000035_03	dark	23:47	360			LRS2	cal							Yes
virus0000034_03	dark	23:48	360			VIRUS	cal							Yes