HET Night Report Reader

Civil Date	Ephemerides
2025-12-15	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	00:04	00:53	01:23	12:21	12:50	13:39	10:45	-
Night Length	10:58		Sunset Temperature

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

Overlaps		none

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
23:57	11.5	12.0	05:28	clouds	05:31
07:01	12.9	12.0	08:27	clouds	01:26
11:05	11.5	11.9	13:00	twilight	01:55
Total Time Open					8:52

Program	Night Priority	Science
01:23	Idle due to weather (heavy overcast)
05:00	Science
05:13	Idle due to weather (heavy overcast)
07:00	Science
07:11	Idle due to weather (clouds)
11:24	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
00:29	00:50	0.38	0.60	-30	-1762	11.6	12.0	11.9	195	8	First of Night
12:52	12:57	0.56	0.87	30	-1762	10.9	11.5	11.6	290	13	Post-Observing

Problem Reports					no PRs

TO Comments	Calm and mostly cloudy, clearing near the end of the night.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
0001	UNe Slave Cal	00:01	426			HPF	cal							Yes
lrs20000001_01	skyflat	00:08	7			LRS2	cal							Yes
0002	UNe Slave Cal	00:09	426			HPF	cal							Yes
lrs20000002_01	skyflat	00:09	10			LRS2	cal							Yes
lrs20000003_01	skyflat	00:10	13			LRS2	cal							Yes
lrs20000004_01	skyflat	00:11	16			LRS2	cal							Yes
lrs20000005_01	skyflat	00:13	22			LRS2	cal							Yes
lrs20000006_01	skyflat	00:14	30			LRS2	cal							Yes
virus0000001_01	skyflat	00:17	7			VIRUS	cal							Yes
virus0000002_01	skyflat	00:18	10			VIRUS	cal							Yes
virus0000003_01	skyflat	00:20	14			VIRUS	cal							Yes
virus0000004_01	skyflat	00:21	18			VIRUS	cal							Yes
virus0000005_01	skyflat	00:23	26			VIRUS	cal							Yes
virus0000006_01	flat_ldls_long	00:29	15			VIRUS	cal							Yes
virus0000006_02	flat_ldls_long	00:31	15			VIRUS	cal							Yes
virus0000006_03	flat_ldls_long	00:32	15			VIRUS	cal							Yes
virus0000007_01	Cd-A	00:33	15			VIRUS	cal							Yes
virus0000007_02	Cd-A	00:35	15			VIRUS	cal							Yes
virus0000007_03	Cd-A	00:36	15			VIRUS	cal							Yes
virus0000008_01	Hg	00:38	15			VIRUS	cal							Yes
virus0000008_02	Hg	00:39	15			VIRUS	cal							Yes
virus0000008_03	Hg	00:40	15			VIRUS	cal							Yes
lrs20000007_01	bias	00:44	0			LRS2	cal							Yes
virus0000009_01	bias	00:44	0			VIRUS	cal							Yes
lrs20000007_02	bias	00:44	0			LRS2	cal							Yes
virus0000009_02	bias	00:45	0			VIRUS	cal							Yes
lrs20000007_03	bias	00:45	0			LRS2	cal							Yes
0003	LFC Cal	00:45	106.5			HPF	cal							Yes
virus0000009_03	bias	00:46	0			VIRUS	cal							Yes
lrs20000007_04	bias	00:46	0			LRS2	cal							Yes
virus0000009_04	bias	00:46	0			VIRUS	cal							Yes
lrs20000007_05	bias	00:47	0			LRS2	cal							Yes
virus0000009_05	bias	00:47	0			VIRUS	cal							Yes
0004	LFC Cal	00:48	106.5			HPF	cal							Yes
lrs20000007_06	bias	00:48	0			LRS2	cal							Yes
virus0000009_06	bias	00:48	0			VIRUS	cal							Yes
lrs20000007_07	bias	00:49	0			LRS2	cal							Yes
virus0000009_07	bias	00:49	0			VIRUS	cal							Yes
lrs20000007_08	bias	00:50	0			LRS2	cal							Yes
0005	LFC Cal	00:50	106.5			HPF	cal							Yes
virus0000009_08	bias	00:50	0			VIRUS	cal							Yes
lrs20000007_09	bias	00:50	0			LRS2	cal							Yes
virus0000009_09	bias	00:51	0			VIRUS	cal							Yes
lrs20000007_10	bias	00:51	0			LRS2	cal							Yes
virus0000009_10	bias	00:52	0			VIRUS	cal							Yes
lrs20000007_11	bias	00:52	0			LRS2	cal							Yes
virus0000009_11	bias	00:53	0			VIRUS	cal							Yes
lrs20000008_01	dark	00:54	360			LRS2	cal							Yes
virus0000010_01	dark	00:54	360			VIRUS	cal							Yes
lrs20000008_02	dark	01:01	360			LRS2	cal							Yes
virus0000010_02	dark	01:01	360			VIRUS	cal							Yes
lrs20000008_03	dark	01:07	360			LRS2	cal							Yes
virus0000010_03	dark	01:08	360			VIRUS	cal							Yes
0006	LFC Cal	02:49	106.5			HPF	cal							Yes
0007	LFC Cal	02:52	106.5			HPF	cal							Yes
0008	LFC Cal	02:54	106.5			HPF	cal							Yes
0009	LFC Cal	03:45	106.5			HPF	cal							Yes
0010	LFC Cal	03:47	106.5			HPF	cal							Yes
0011	LFC Cal	03:50	106.5			HPF	cal							Yes
virus0000011_01	dark	04:18	360		ENG26-1-004	VIRUS	cal							Yes
virus0000011_02	dark	04:25	360		ENG26-1-004	VIRUS	cal							Yes
virus0000011_03	dark	04:32	360		ENG26-1-004	VIRUS	cal							Yes
virus0000011_04	dark	04:39	360		ENG26-1-004	VIRUS	cal							Yes
virus0000011_05	dark	04:45	360		ENG26-1-004	VIRUS	cal							Yes
virus0000011_06	dark	04:52	360		ENG26-1-004	VIRUS	cal							Yes
virus0000011_07	dark	04:59	360		ENG26-1-004	VIRUS	cal							Yes
0012	LFC Cal	05:07	106.5			HPF	cal							Yes
virus0000012_01	parallel	05:07	360			VIRUS	sci							Yes
lrs20000009_01	QID 159	05:07	360	7.0	UT26-1-016	LRS2-R	sci	1.31		20.65	0.89			Yes
0013	LFC Cal	05:09	106.5			HPF	cal							Yes
lrs20000010_01	QID 243	05:17	180	4.0	UT26-1-016	LRS2-B	sci	1.38		21.51	0.31		clouds	No
0014	LFC Cal	05:18	106.5			HPF	cal							Yes
virus0000013_01	dark	05:36	360			VIRUS	cal							Yes
virus0000013_02	dark	05:43	360			VIRUS	cal							Yes
virus0000013_03	dark	05:50	360			VIRUS	cal							Yes
virus0000013_04	dark	05:56	360			VIRUS	cal							Yes
lrs20000011_01	FeAr_long_R	06:06	65		ENG26-1-002	LRS2	cal							Yes
lrs20000011_02	FeAr_long_R	06:08	65		ENG26-1-002	LRS2	cal							Yes
lrs20000011_03	FeAr_long_R	06:10	65		ENG26-1-002	LRS2	cal							Yes
lrs20000011_04	FeAr_long_R	06:12	65		ENG26-1-002	LRS2	cal							Yes
lrs20000012_01	FeAr_long_B	06:45	150		ENG26-1-002	LRS2	cal							Yes
lrs20000012_02	FeAr_long_B	06:48	150		ENG26-1-002	LRS2	cal							Yes
lrs20000012_03	FeAr_long_B	06:52	150		ENG26-1-002	LRS2	cal							Yes
lrs20000012_04	FeAr_long_B	06:55	150		ENG26-1-002	LRS2	cal							Yes
0015	LFC Cal	07:05	106.5			HPF	cal							Yes
virus0000014_01	parallel	07:05	360			VIRUS	sci							Yes
lrs20000013_01	QID 146	07:05	360	5.0	UT26-1-016	LRS2-R	sci	1.70		20.74	0.69			Yes
0016	LFC Cal	07:07	106.5			HPF	cal							Yes
0017	LFC Cal	07:15	106.5			HPF	cal							Yes
lrs20000014_01	QID 230	07:15	180	4.0	UT26-1-016	LRS2-B	sci	1.50		21.76	0.31		clouds	No
0018	QID 321	07:24	308.9	5.9	UT26-1-007	HPF	sci	1.55		19.99	0.16	27	clouds	No
virus0000015_01	parallel	07:24	1060			VIRUS	sci							Yes
lrs20000015_01	dark	07:36	1800		ENG26-1-002	LRS2	cal							Yes
lrs20000015_02	dark	08:07	1800		ENG26-1-002	LRS2	cal							Yes
lrs20000015_03	dark	08:37	1800		ENG26-1-002	LRS2	cal							Yes
0019	LFC Cal	11:28	106.5			HPF	cal							Yes
lrs20000016_01	parallel	11:28	360			LRS2	sci							Yes
virus0000016_01	QID 346	11:28	360	4.0	UT26-1-008	VIRUS	sci	2.14		21.86	0.78			Yes
0020	LFC Cal	11:30	106.5			HPF	cal							Yes
lrs20000016_02	parallel	11:35	360			LRS2	sci							Yes
virus0000016_02	QID 346	11:35	360	1.0	UT26-1-008	VIRUS	sci	1.85		21.87	0.87			Yes
lrs20000016_03	parallel	11:42	360			LRS2	sci							Yes
virus0000016_03	QID 346	11:43	360	2.0	UT26-1-008	VIRUS	sci	1.95		21.84	0.87			Yes
0021	LFC Cal	11:50	106.5			HPF	cal							Yes
virus0000017_01	parallel	11:54	1959			VIRUS	sci							Yes
0022	QID 433	11:55	915.9	5.7	G26-1-002	HPF	sci	1.73		20.61	0.87	40		Yes
0023	QID 433	12:11	915.9	0.7	G26-1-002	HPF	sci	1.58		20.50	0.90	43		Yes
0024	LFC Cal	12:28	106.5			HPF	cal							Yes
virus0000018_01	parallel	12:33	1060			VIRUS	sci							Yes
0025	QID 331	12:34	308.9	7.9	UT26-1-007	HPF	sci	1.83		20.43	0.81	168		P4
0026	QID 331	12:40	308.9	0.9	UT26-1-007	HPF	sci	1.86		20.15	0.82	179		P4
0027	QID 331	12:45	308.9	-0.1	UT26-1-007	HPF	sci	1.91		19.77	0.82	191		P4
lrs20000017_01	bias	12:52	0			LRS2	cal							Yes
virus0000019_01	bias	12:53	0			VIRUS	cal							Yes
virus0000020_01	Cd-A	12:56	15		ENG26-1-002	VIRUS	cal							Yes
virus0000021_01	Hg	12:57	15		ENG26-1-002	VIRUS	cal							Yes
0028	Dark	13:06	319.5			HPF	cal							Yes
0029	Quartz FCU	13:17	74.5			HPF	cal							Yes
0030	Quartz FCU	13:19	74.5			HPF	cal							Yes
0031	Quartz FCU	13:21	74.5			HPF	cal							Yes
0032	Quartz FCU	13:22	74.5			HPF	cal							Yes
0033	Quartz FCU	13:24	74.5			HPF	cal							Yes
0034	Quartz FCU	13:26	74.5			HPF	cal							Yes
0035	Quartz FCU	13:28	74.5			HPF	cal							Yes
0036	Alpha Bright Cal	13:30	85.2			HPF	cal							Yes
0037	Alpha Bright Cal	13:32	85.2			HPF	cal							Yes
0038	Alpha Bright Cal	13:34	85.2			HPF	cal							Yes
0039	Alpha Bright Cal	13:36	85.2			HPF	cal							Yes
0040	LFC FCU	13:39	106.5			HPF	cal							Yes
0041	LFC FCU	13:41	106.5			HPF	cal							Yes
0042	LFC FCU	13:43	106.5			HPF	cal							Yes
0043	LFC FCU	13:46	106.5			HPF	cal							Yes
0044	LFC FCU	13:48	106.5			HPF	cal							Yes
0045	LFC FCU	13:50	106.5			HPF	cal							Yes
0046	LFC Cal	13:53	106.5			HPF	cal							Yes
0047	LFC Cal	13:56	106.5			HPF	cal							Yes
0048	Etalon Cal	14:03	159.8			HPF	cal							Yes
0049	Etalon Cal	14:06	159.8			HPF	cal							Yes
0050	Etalon Cal	14:10	159.8			HPF	cal							Yes
0051	Etalon Cal	14:13	159.8			HPF	cal							Yes
0052	UNe Slave Cal	14:16	426			HPF	cal							Yes
0053	UNe Slave Cal	14:24	426			HPF	cal							Yes
0054	UNe Slave Cal	14:32	426			HPF	cal							Yes
0055	UNe Slave Cal	14:40	426			HPF	cal							Yes
0056	UNe Slave Cal	14:48	426			HPF	cal							Yes
0057	UNe Slave Cal	14:55	426			HPF	cal							Yes
0060	LFC Cal	22:18	106.5			HPF	cal							Yes
lrs20009900_01	bias	22:29	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	22:30	20			VIRUS	cal							Yes
virus0009901_01	bias	22:31	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	22:32	20			LRS2	cal							Yes
virus0009902_01	dark	22:33	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:34	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:36	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:37	15			LRS2	cal							Yes
0061	Dark	22:48	319.5			HPF	cal							Yes
0062	Quartz FCU	22:55	74.5			HPF	cal							Yes
0063	Quartz FCU	22:57	74.5			HPF	cal							Yes
0064	Quartz FCU	22:58	74.5			HPF	cal							Yes
0065	Quartz FCU	23:00	74.5			HPF	cal							Yes
0066	Quartz FCU	23:02	74.5			HPF	cal							Yes
0067	Quartz FCU	23:04	74.5			HPF	cal							Yes
0068	Quartz FCU	23:06	74.5			HPF	cal							Yes
0069	Alpha Bright Cal	23:08	85.2			HPF	cal							Yes
0070	Alpha Bright Cal	23:10	85.2			HPF	cal							Yes
0071	Alpha Bright Cal	23:12	85.2			HPF	cal							Yes
0072	Alpha Bright Cal	23:14	85.2			HPF	cal							Yes
0073	LFC FCU	23:16	106.5			HPF	cal							Yes
0074	LFC FCU	23:19	106.5			HPF	cal							Yes
0075	LFC Cal	23:21	106.5			HPF	cal							Yes
0076	LFC Cal	23:24	106.5			HPF	cal							Yes
0077	Etalon Cal	23:26	159.8			HPF	cal							Yes
0078	UNe Slave Cal	23:30	426			HPF	cal							Yes
lrs20000012_01	flat_Qth_R	23:31	15			LRS2	cal							Yes
lrs20000012_02	flat_Qth_R	23:32	15			LRS2	cal							Yes
lrs20000012_03	flat_Qth_R	23:34	15			LRS2	cal							Yes
lrs20000012_04	flat_Qth_R	23:35	15			LRS2	cal							Yes
lrs20000012_05	flat_Qth_R	23:36	15			LRS2	cal							Yes
lrs20000013_01	flat_ldls_long_B	23:37	20			LRS2	cal							Yes
0079	UNe Slave Cal	23:38	426			HPF	cal							Yes
lrs20000013_02	flat_ldls_long_B	23:39	20			LRS2	cal							Yes
lrs20000013_03	flat_ldls_long_B	23:40	20			LRS2	cal							Yes
lrs20000014_01	Cd-A_B	23:41	29			LRS2	cal							Yes
lrs20000014_02	Cd-A_B	23:43	29			LRS2	cal							Yes
lrs20000014_03	Cd-A_B	23:44	29			LRS2	cal							Yes
0080	UNe Slave Cal	23:46	426			HPF	cal							Yes
lrs20000015_01	FeAr_R	23:46	15			LRS2	cal							Yes
lrs20000015_02	FeAr_R	23:47	15			LRS2	cal							Yes
lrs20000015_03	FeAr_R	23:48	15			LRS2	cal							Yes
lrs20000016_01	Hg_R	23:49	20			LRS2	cal							Yes
lrs20000016_02	Hg_R	23:51	20			LRS2	cal							Yes
lrs20000016_03	Hg_R	23:52	20			LRS2	cal							Yes
0081	UNe Slave Cal	23:53	426			HPF	cal							Yes
lrs20000017_01	Hg_B	23:53	15			LRS2	cal							Yes
lrs20000017_02	Hg_B	23:54	15			LRS2	cal							Yes
lrs20000017_03	Hg_B	23:56	15			LRS2	cal							Yes