HET Night Report Reader

Civil Date	Ephemerides
2025-12-14	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	00:04	00:53	01:22	12:20	12:49	13:39	09:49	-
Night Length	10:58		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator
Sergey Rostopchin	Justen Pautzke Amy Westfall

Overlaps		none

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
00:52	7.7	8.9	02:19	dew point	01:27
03:40	8.4	8.5	07:24	dew point	03:44
Total Time Open					5:11

Program	Night Priority	Science
01:22	Idle due to weather (high humidity)
03:43	Science
04:27	Idle due to weather (clouds)

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
00:54	01:41	0.45	0.69	-30	798	7.8	8.4	8.6	174	12	First of Night

Problem Reports
PR Number	Times	Time Lost	Description	Response
6328	01:05-01:07, 01:15-01:16	00:03	Pistoned donuted segments: 2:4 by +15 (01:05 UT); 8:6 by +10 (01:15 UT)
6581	02:20-02:20	00:00	Stuck NEAR_CLOSED while closing for dew point.	02:57 UT Moved to CCAS and attempted to just click close and the dome closed this time successfully.

TO Comments	Cloudy and humid for most of night.

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	bias	00:14	0			LRS2	cal							Yes
virus0000001_01	bias	00:14	0			VIRUS	cal							Yes
lrs20000001_02	bias	00:14	0			LRS2	cal							Yes
virus0000001_02	bias	00:15	0			VIRUS	cal							Yes
lrs20000001_03	bias	00:15	0			LRS2	cal							Yes
virus0000001_03	bias	00:16	0			VIRUS	cal							Yes
0001	LFC Cal	00:16	106.5			HPF	cal							Yes
lrs20000001_04	bias	00:16	0			LRS2	cal							Yes
virus0000001_04	bias	00:16	0			VIRUS	cal							Yes
lrs20000001_05	bias	00:17	0			LRS2	cal							Yes
virus0000001_05	bias	00:17	0			VIRUS	cal							Yes
0002	LFC Cal	00:18	106.5			HPF	cal							Yes
lrs20000001_06	bias	00:18	0			LRS2	cal							Yes
virus0000001_06	bias	00:18	0			VIRUS	cal							Yes
lrs20000001_07	bias	00:19	0			LRS2	cal							Yes
virus0000001_07	bias	00:19	0			VIRUS	cal							Yes
lrs20000001_08	bias	00:20	0			LRS2	cal							Yes
virus0000001_08	bias	00:20	0			VIRUS	cal							Yes
0003	LFC Cal	00:20	106.5			HPF	cal							Yes
lrs20000001_09	bias	00:21	0			LRS2	cal							Yes
lrs20000001_10	bias	00:21	0			LRS2	cal							Yes
virus0000001_09	bias	00:21	0			VIRUS	cal							Yes
virus0000001_10	bias	00:22	0			VIRUS	cal							Yes
lrs20000001_11	bias	00:22	0			LRS2	cal							Yes
virus0000001_11	bias	00:23	0			VIRUS	cal							Yes
virus0000002_01	parallel	01:48	2047			VIRUS	sci							Yes
0004	QID 1301	01:49	969.1	5.8	PSU26-1-023	HPF	sci	1.40		20.24	0.92	72	closed during 2nd split due to high humidity	No
0005	QID 1301	02:06	969.1	0.8	PSU26-1-023	HPF	sci	1.34		20.28	0.89	56		No
0006	LFC Cal	02:24	106.5			HPF	cal							Yes
lrs20000002_01	parallel	03:48	360			LRS2	sci							Yes
virus0000003_01	QID 350	03:48	360	5.0	UT26-1-008	VIRUS	sci	1.99		21.89	0.69			Yes
0007	LFC Cal	03:49	106.5			HPF	cal							Yes
0008	LFC Cal	03:51	106.5			HPF	cal							Yes
lrs20000002_02	parallel	03:55	360			LRS2	sci							Yes
virus0000003_02	QID 350	03:55	360	1.0	UT26-1-008	VIRUS	sci	1.67		21.86	0.74			Yes
lrs20000002_03	parallel	04:03	360			LRS2	sci							Yes
virus0000003_03	QID 350	04:03	360	2.0	UT26-1-008	VIRUS	sci	1.64		21.83	0.66			Yes
0009	LFC Cal	04:19	106.5			HPF	cal							Yes
virus0000004_01	parallel	04:19	500			VIRUS	sci							Yes
lrs20000003_01	QID 1575	04:19	500	9.7	PSU26-1-012	LRS2-B	sci	1.63		22.07	0.69			Yes
0010	LFC Cal	04:21	106.5			HPF	cal							Yes
0011	LFC Cal	04:24	106.5			HPF	cal							Yes
0012	LFC Cal	04:32	106.5			HPF	cal							Yes
lrs20000004_01	parallel	04:32	360			LRS2	sci							Yes
virus0000005_01	QID 1556	04:32	360	5.0	UT26-1-008	VIRUS	sci	1.65		21.90	0.50		clouds	No
0013	LFC Cal	04:35	106.5			HPF	cal							Yes
lrs20000004_02	parallel	04:39	360			LRS2	sci							Yes
virus0000005_02	QID 1556	04:39	360	1.0	UT26-1-008	VIRUS	sci	1.58		21.90	0.44			No
lrs20000004_03	parallel	04:46	360			LRS2	sci							Yes
virus0000005_03	QID 1556	04:47	360	2.0	UT26-1-008	VIRUS	sci	1.49		21.90	0.38			No
0014	QID 1512	05:00	969.1	6.8	UT26-1-010	HPF	sci	1.52		19.99	0.40	281	clouds	No
virus0000006_01	parallel	05:00	2047			VIRUS	sci							Yes
0015	QID 1512	05:17	969.1	0.8	UT26-1-010	HPF	sci	1.42		19.98	0.28	251		No
0016	LFC Cal	05:35	106.5			HPF	cal							Yes
0017	LFC Cal	05:39	106.5			HPF	cal							Yes
lrs20000005_01	parallel	05:39	360			LRS2	sci							Yes
virus0000007_01	QID 346	05:39	360	6.0	UT26-1-008	VIRUS	sci	1.73		21.84	0.30		clouds	No
0018	LFC Cal	05:42	106.5			HPF	cal							Yes
lrs20000005_02	parallel	05:46	360			LRS2	sci							Yes
virus0000007_02	QID 346	05:46	360	1.0	UT26-1-008	VIRUS	sci	1.82		21.83	0.33			No
lrs20000005_03	parallel	05:54	360			LRS2	sci							Yes
virus0000007_03	QID 346	05:54	360	2.0	UT26-1-008	VIRUS	sci	1.35		21.83	0.31			No
virus0000008_01	parallel	06:06	3000			VIRUS	sci							Yes
lrs20000006_01	QID 1580	06:06	3000	6.0	UT26-1-002	LRS2-B	sci	1.46		22.06	0.19		clouds	No
0019	LFC Cal	06:07	106.5			HPF	cal							Yes
0020	LFC Cal	06:09	106.5			HPF	cal							Yes
0021	LFC Cal	06:11	106.5			HPF	cal							Yes
0022	LFC Cal	07:23	106.5			HPF	cal							Yes
virus0000009_01	parallel	07:23	300			VIRUS	sci							Yes
lrs20000007_01	QID 44	07:23	300	6.0	PSU26-1-003	LRS2-R	sci	1.53		21.04	0.22		clouds	No
0023	LFC Cal	07:25	106.5			HPF	cal							Yes
virus0000010_01	dark	07:30	360		ENG25-3-004	VIRUS	cal							Yes
virus0000010_02	dark	07:36	360		ENG25-3-004	VIRUS	cal							Yes
virus0000010_03	dark	07:43	360		ENG25-3-004	VIRUS	cal							Yes
virus0000010_04	dark	07:50	360		ENG25-3-004	VIRUS	cal							Yes
virus0000010_05	dark	07:57	360		ENG25-3-004	VIRUS	cal							Yes
virus0000010_06	dark	08:04	360		ENG25-3-004	VIRUS	cal							Yes
virus0000010_07	dark	08:11	360		ENG25-3-004	VIRUS	cal							Yes
virus0000010_08	dark	08:17	360		ENG25-3-004	VIRUS	cal							Yes
virus0000010_09	dark	08:24	360		ENG25-3-004	VIRUS	cal							Yes
virus0000010_10	dark	08:31	360		ENG25-3-004	VIRUS	cal							Yes
lrs20000008_01	dark	08:40	1800		ENG25-3-002	LRS2	cal							Yes
lrs20000008_02	dark	09:11	1800		ENG25-3-002	LRS2	cal							Yes
lrs20000008_03	dark	09:42	1800		ENG25-3-002	LRS2	cal							Yes
0024	LFC Cal	10:14	106.5			HPF	cal							Yes
0025	LFC Cal	10:16	106.5			HPF	cal							Yes
lrs20000009_01	FeAr_long_R	10:16	65		ENG25-3-002	LRS2	cal							Yes
lrs20000009_02	FeAr_long_R	10:18	65		ENG25-3-002	LRS2	cal							Yes
0026	LFC Cal	10:19	106.5			HPF	cal							Yes
lrs20000009_03	FeAr_long_R	10:20	65		ENG25-3-002	LRS2	cal							Yes
lrs20000009_04	FeAr_long_R	10:22	65		ENG25-3-002	LRS2	cal							Yes
lrs20000010_01	FeAr_long_B	10:27	150		ENG25-3-002	LRS2	cal							Yes
lrs20000010_02	FeAr_long_B	10:30	150		ENG25-3-002	LRS2	cal							Yes
lrs20000010_03	FeAr_long_B	10:34	150		ENG25-3-002	LRS2	cal							Yes
lrs20000010_04	FeAr_long_B	10:37	150		ENG25-3-002	LRS2	cal							Yes
0027	LFC Cal	10:41	106.5			HPF	cal							Yes
0028	LFC Cal	10:44	106.5			HPF	cal							Yes
0029	LFC Cal	10:46	106.5			HPF	cal							Yes
lrs20000011_01	bias	11:04	0			LRS2	cal							Yes
virus0000011_01	bias	11:05	0			VIRUS	cal							Yes
virus0000012_01	Cd-A	11:09	15		ENG26-1-002	VIRUS	cal							Yes
virus0000013_01	Hg	11:11	15		ENG26-1-002	VIRUS	cal							Yes
0030	Dark	11:18	319.5			HPF	cal							Yes
0031	Quartz FCU	11:30	74.5			HPF	cal							Yes
0032	Quartz FCU	11:32	74.5			HPF	cal							Yes
0033	Quartz FCU	11:33	74.5			HPF	cal							Yes
0034	Quartz FCU	11:35	74.5			HPF	cal							Yes
0035	Quartz FCU	11:37	74.5			HPF	cal							Yes
0036	Quartz FCU	11:39	74.5			HPF	cal							Yes
0037	Quartz FCU	11:40	74.5			HPF	cal							Yes
0038	Alpha Bright Cal	11:43	85.2			HPF	cal							Yes
0039	Alpha Bright Cal	11:45	85.2			HPF	cal							Yes
0040	Alpha Bright Cal	11:47	85.2			HPF	cal							Yes
0041	Alpha Bright Cal	11:49	85.2			HPF	cal							Yes
0042	LFC FCU	11:51	106.5			HPF	cal							Yes
0043	LFC FCU	11:54	106.5			HPF	cal							Yes
0044	LFC FCU	11:56	106.5			HPF	cal							Yes
0045	LFC FCU	11:58	106.5			HPF	cal							Yes
0046	LFC FCU	12:01	106.5			HPF	cal							Yes
0047	LFC FCU	12:03	106.5			HPF	cal							Yes
0048	LFC Cal	12:06	106.5			HPF	cal							Yes
0049	LFC Cal	12:08	106.5			HPF	cal							Yes
0050	Etalon Cal	12:16	159.8			HPF	cal							Yes
0051	Etalon Cal	12:19	159.8			HPF	cal							Yes
0052	Etalon Cal	12:22	159.8			HPF	cal							Yes
0053	Etalon Cal	12:25	159.8			HPF	cal							Yes
0054	UNe Slave Cal	12:29	426			HPF	cal							Yes
0055	UNe Slave Cal	12:37	426			HPF	cal							Yes
0056	UNe Slave Cal	12:44	426			HPF	cal							Yes
0057	UNe Slave Cal	12:52	426			HPF	cal							Yes
0058	UNe Slave Cal	13:00	426			HPF	cal							Yes
0059	UNe Slave Cal	13:08	426			HPF	cal							Yes
0063	LFC Cal	21:46	106.5			HPF	cal							Yes
lrs20009900_01	bias	21:58	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	21:58	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	22:04	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:06	15			LRS2	cal							Yes
0064	Dark	22:08	319.5			HPF	cal							Yes
0065	Quartz FCU	22:15	74.5			HPF	cal							Yes
0066	Quartz FCU	22:16	74.5			HPF	cal							Yes
0067	Quartz FCU	22:18	74.5			HPF	cal							Yes
0068	Quartz FCU	22:20	74.5			HPF	cal							Yes
0069	Quartz FCU	22:22	74.5			HPF	cal							Yes
0070	Quartz FCU	22:24	74.5			HPF	cal							Yes
0071	Quartz FCU	22:25	74.5			HPF	cal							Yes
0072	Alpha Bright Cal	22:28	85.2			HPF	cal							Yes
0073	Alpha Bright Cal	22:30	85.2			HPF	cal							Yes
0074	Alpha Bright Cal	22:32	85.2			HPF	cal							Yes
0075	Alpha Bright Cal	22:34	85.2			HPF	cal							Yes
0076	LFC FCU	22:36	106.5			HPF	cal							Yes
0077	LFC FCU	22:39	106.5			HPF	cal							Yes
0078	LFC Cal	22:41	106.5			HPF	cal							Yes
0079	LFC Cal	22:44	106.5			HPF	cal							Yes
0080	Etalon Cal	22:46	159.8			HPF	cal							Yes
0081	UNe Slave Cal	22:50	426			HPF	cal							Yes
lrs20000018_01	flat_Qth_R	22:51	15			LRS2	cal							Yes
lrs20000018_02	flat_Qth_R	22:52	15			LRS2	cal							Yes
lrs20000018_03	flat_Qth_R	22:54	15			LRS2	cal							Yes
lrs20000018_04	flat_Qth_R	22:55	15			LRS2	cal							Yes
lrs20000018_05	flat_Qth_R	22:56	15			LRS2	cal							Yes
lrs20000019_01	flat_ldls_long_B	22:57	20			LRS2	cal							Yes
0082	UNe Slave Cal	22:58	426			HPF	cal							Yes
lrs20000019_02	flat_ldls_long_B	22:59	20			LRS2	cal							Yes
lrs20000019_03	flat_ldls_long_B	23:00	20			LRS2	cal							Yes
lrs20000020_01	Cd-A_B	23:01	29			LRS2	cal							Yes
lrs20000020_02	Cd-A_B	23:03	29			LRS2	cal							Yes
lrs20000020_03	Cd-A_B	23:04	29			LRS2	cal							Yes
0083	UNe Slave Cal	23:06	426			HPF	cal							Yes
lrs20000021_01	FeAr_R	23:06	15			LRS2	cal							Yes
lrs20000021_02	FeAr_R	23:07	15			LRS2	cal							Yes
lrs20000021_03	FeAr_R	23:08	15			LRS2	cal							Yes
lrs20000022_01	Hg_R	23:09	20			LRS2	cal							Yes
lrs20000022_02	Hg_R	23:11	20			LRS2	cal							Yes
lrs20000022_03	Hg_R	23:12	20			LRS2	cal							Yes
0084	UNe Slave Cal	23:13	426			HPF	cal							Yes
lrs20000023_01	Hg_B	23:13	15			LRS2	cal							Yes
lrs20000023_02	Hg_B	23:14	15			LRS2	cal							Yes
lrs20000023_03	Hg_B	23:16	15			LRS2	cal							Yes
0085	UNe Slave Cal	23:21	426			HPF	cal							Yes
virus0000022_01	flat_ldls_long	23:22	15			VIRUS	cal							Yes
virus0000022_02	flat_ldls_long	23:24	15			VIRUS	cal							Yes
virus0000022_03	flat_ldls_long	23:25	15			VIRUS	cal							Yes
virus0000023_01	Cd-A	23:26	15			VIRUS	cal							Yes
virus0000023_02	Cd-A	23:28	15			VIRUS	cal							Yes
0086	UNe Slave Cal	23:29	426			HPF	cal							Yes
virus0000023_03	Cd-A	23:29	15			VIRUS	cal							Yes
virus0000024_01	Hg	23:31	15			VIRUS	cal							Yes
virus0000024_02	Hg	23:32	15			VIRUS	cal							Yes
virus0000024_03	Hg	23:33	15			VIRUS	cal							Yes
lrs20000024_01	dark	23:35	360			LRS2	cal							Yes
virus0000025_01	dark	23:35	360			VIRUS	cal							Yes
lrs20000024_02	dark	23:42	360			LRS2	cal							Yes
virus0000025_02	dark	23:42	360			VIRUS	cal							Yes
lrs20000024_03	dark	23:48	360			LRS2	cal							Yes
virus0000025_03	dark	23:49	360			VIRUS	cal							Yes