HET Night Report Reader

Civil Date	Ephemerides
2025-01-20	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	00:29	01:17	01:46	12:29	12:57	13:45	06:45	-
Night Length	10:43		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator
Sergey Rostopchin	Cassie Crowe

Overlaps		none

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
00:22	-7.8	2.2	02:07	lower temp limit	01:45
Total Time Open					1:45

Program	Night Priority	Science
01:46	Idle due to weather (temperature < -15 C)

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
00:50	02:05					-9.5	-8.1	-7.5	39	13	First of Night
↪ Comments			Had to condition dome. Got closed by low temp limit.

Problem Reports
PR Number	Times	Time Lost	Description	Response
6439	10:00-11:45	01:45	7:2 oscillating

TO Comments	Closed early due to low temps. Got down to -16.6 C. Ran heaters all night.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
virus0000028_03	flat_ldls_long	00:00	15			VIRUS	cal							Yes
virus0000029_01	Cd-A	00:01	15			VIRUS	cal							Yes
virus0000029_02	Cd-A	00:02	15			VIRUS	cal							Yes
0001	UNe Slave Cal	00:03	426			HPF	cal							Yes
virus0000029_03	Cd-A	00:04	15			VIRUS	cal							Yes
virus0000030_01	Hg	00:05	15			VIRUS	cal							Yes
virus0000030_02	Hg	00:06	15			VIRUS	cal							Yes
virus0000030_03	Hg	00:08	15			VIRUS	cal							Yes
lrs20000001_01	bias	00:09	0			LRS2	cal							Yes
virus0000001_01	bias	00:09	0			VIRUS	cal							Yes
lrs20000001_02	bias	00:10	0			LRS2	cal							Yes
virus0000001_02	bias	00:10	0			VIRUS	cal							Yes
lrs20000001_03	bias	00:11	0			LRS2	cal							Yes
virus0000001_03	bias	00:11	0			VIRUS	cal							Yes
lrs20000001_04	bias	00:12	0			LRS2	cal							Yes
virus0000001_04	bias	00:12	0			VIRUS	cal							Yes
lrs20000001_05	bias	00:12	0			LRS2	cal							Yes
virus0000001_05	bias	00:13	0			VIRUS	cal							Yes
lrs20000001_06	bias	00:13	0			LRS2	cal							Yes
virus0000001_06	bias	00:14	0			VIRUS	cal							Yes
lrs20000001_07	bias	00:14	0			LRS2	cal							Yes
virus0000001_07	bias	00:15	0			VIRUS	cal							Yes
lrs20000001_08	bias	00:15	0			LRS2	cal							Yes
virus0000001_08	bias	00:15	0			VIRUS	cal							Yes
lrs20000001_09	bias	00:16	0			LRS2	cal							Yes
virus0000001_09	bias	00:16	0			VIRUS	cal							Yes
lrs20000001_10	bias	00:17	0			LRS2	cal							Yes
virus0000001_10	bias	00:17	0			VIRUS	cal							Yes
lrs20000001_11	bias	00:18	0			LRS2	cal							Yes
virus0000001_11	bias	00:18	0			VIRUS	cal							Yes
0002	twilight	00:26	298.2			HPF	cal							Yes
lrs20000002_01	skyflat	00:34	7			LRS2	cal							Yes
lrs20000003_01	skyflat	00:35	10			LRS2	cal							Yes
lrs20000004_01	skyflat	00:36	13			LRS2	cal							Yes
lrs20000005_01	skyflat	00:37	16			LRS2	cal							Yes
lrs20000006_01	skyflat	00:38	22			LRS2	cal							Yes
lrs20000007_01	skyflat	00:40	30			LRS2	cal							Yes
virus0000002_01	skyflat	00:43	7			VIRUS	cal							Yes
virus0000003_01	skyflat	00:44	10			VIRUS	cal							Yes
virus0000004_01	skyflat	00:45	14			VIRUS	cal							Yes
virus0000005_01	skyflat	00:47	18			VIRUS	cal							Yes
virus0000006_01	skyflat	00:48	26			VIRUS	cal							Yes
lrs20000008_01	dark	00:49	360			LRS2	cal							Yes
virus0000007_01	dark	00:50	360			VIRUS	cal							Yes
lrs20000008_02	dark	00:56	360			LRS2	cal							Yes
virus0000007_02	dark	00:56	360			VIRUS	cal							Yes
lrs20000008_03	dark	01:03	360			LRS2	cal							Yes
virus0000007_03	dark	01:03	360			VIRUS	cal							Yes
0003	LFC Cal	01:24	106.5			HPF	cal							Yes
0004	LFC Cal	01:27	106.5			HPF	cal							Yes
0005	LFC Cal	01:29	106.5			HPF	cal							Yes
0006	LFC Cal	02:50	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
virus0000008_01	dark	03:30	360			VIRUS	cal							Yes
0009	LFC Cal	04:50	106.5			HPF	cal							Yes
0010	LFC Cal	04:53	106.5			HPF	cal							Yes
0011	LFC Cal	05:05	106.5			HPF	cal							Yes
0012	LFC Cal	05:08	106.5			HPF	cal							Yes
0013	LFC Cal	05:10	106.5			HPF	cal							Yes
virus0000009_01	dark	06:23	360			VIRUS	cal							Yes
0014	LFC Cal	06:27	106.5			HPF	cal							Yes
0015	LFC Cal	06:29	106.5			HPF	cal							Yes
0016	LFC Cal	06:32	106.5			HPF	cal							Yes
virus0000010_01	dark	06:32	360			VIRUS	cal							Yes
virus0000011_01	dark	06:40	360			VIRUS	cal							Yes
virus0000011_02	dark	06:47	360			VIRUS	cal							Yes
0017	LFC Cal	08:34	106.5			HPF	cal							Yes
0018	LFC Cal	08:36	106.5			HPF	cal							Yes
0019	LFC Cal	08:39	106.5			HPF	cal							Yes
0020	LFC Cal	08:43	106.5			HPF	cal							Yes
0021	LFC Cal	08:45	106.5			HPF	cal							Yes
0022	LFC Cal	08:48	106.5			HPF	cal							Yes
0023	LFC Cal	09:36	106.5			HPF	cal							Yes
0024	LFC Cal	09:38	106.5			HPF	cal							Yes
0025	LFC Cal	09:40	106.5			HPF	cal							Yes
lrs20000009_01	bias	11:12	0			LRS2	cal							Yes
virus0000012_01	bias	11:13	0			VIRUS	cal							Yes
virus0000013_01	Cd-A	11:17	15		ENG25-1-002	VIRUS	cal							Yes
virus0000014_01	Hg	11:18	15		ENG25-1-002	VIRUS	cal							Yes
0026	Dark	11:26	319.5			HPF	cal							Yes
0027	Quartz FCU	11:38	74.5			HPF	cal							Yes
0028	Quartz FCU	11:40	74.5			HPF	cal							Yes
0029	Quartz FCU	11:41	74.5			HPF	cal							Yes
0030	Quartz FCU	11:43	74.5			HPF	cal							Yes
0031	Quartz FCU	11:45	74.5			HPF	cal							Yes
0032	Quartz FCU	11:47	74.5			HPF	cal							Yes
0033	Quartz FCU	11:49	74.5			HPF	cal							Yes
0034	Alpha Bright Cal	11:51	85.2			HPF	cal							Yes
0035	Alpha Bright Cal	11:53	85.2			HPF	cal							Yes
0036	Alpha Bright Cal	11:55	85.2			HPF	cal							Yes
0037	Alpha Bright Cal	11:57	85.2			HPF	cal							Yes
0038	LFC FCU	12:00	106.5			HPF	cal							Yes
0039	LFC FCU	12:02	106.5			HPF	cal							Yes
0040	LFC FCU	12:04	106.5			HPF	cal							Yes
0041	LFC FCU	12:06	106.5			HPF	cal							Yes
0042	LFC FCU	12:09	106.5			HPF	cal							Yes
0043	LFC FCU	12:11	106.5			HPF	cal							Yes
0044	LFC Cal	12:14	106.5			HPF	cal							Yes
0045	LFC Cal	12:16	106.5			HPF	cal							Yes
0046	Etalon Cal	12:24	159.8			HPF	cal							Yes
0047	Etalon Cal	12:27	159.8			HPF	cal							Yes
0048	Etalon Cal	12:31	159.8			HPF	cal							Yes
0049	Etalon Cal	12:35	159.8			HPF	cal							Yes
0050	UNe Slave Cal	12:38	426			HPF	cal							Yes
0051	UNe Slave Cal	12:46	426			HPF	cal							Yes
0052	UNe Slave Cal	12:54	426			HPF	cal							Yes
0053	UNe Slave Cal	13:01	426			HPF	cal							Yes
0054	UNe Slave Cal	13:09	426			HPF	cal							Yes
0055	UNe Slave Cal	13:17	426			HPF	cal							Yes
0084	LFC Cal	22:11	106.5			HPF	cal							Yes
lrs20009900_01	bias	22:32	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	22:33	20			VIRUS	cal							Yes
virus0009901_01	bias	22:34	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	22:35	20			LRS2	cal							Yes
virus0009902_01	dark	22:36	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:37	38			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:39	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:40	15			LRS2	cal							Yes
0085	Dark	22:42	319.5			HPF	cal							Yes
0086	Quartz FCU	22:49	74.5			HPF	cal							Yes
0087	Quartz FCU	22:51	74.5			HPF	cal							Yes
0088	Quartz FCU	22:52	74.5			HPF	cal							Yes
0089	Quartz FCU	22:54	74.5			HPF	cal							Yes
0090	Quartz FCU	22:56	74.5			HPF	cal							Yes
0091	Quartz FCU	22:58	74.5			HPF	cal							Yes
0092	Quartz FCU	23:00	74.5			HPF	cal							Yes
0093	Alpha Bright Cal	23:02	85.2			HPF	cal							Yes
0094	Alpha Bright Cal	23:04	85.2			HPF	cal							Yes
0095	Alpha Bright Cal	23:06	85.2			HPF	cal							Yes
0096	Alpha Bright Cal	23:08	85.2			HPF	cal							Yes
0097	LFC FCU	23:10	106.5			HPF	cal							Yes
0098	LFC FCU	23:13	106.5			HPF	cal							Yes
0099	LFC Cal	23:16	106.5			HPF	cal							Yes
0100	LFC Cal	23:18	106.5			HPF	cal							Yes
0101	Etalon Cal	23:21	159.8			HPF	cal							Yes
0102	UNe Slave Cal	23:24	426			HPF	cal							Yes
lrs20000027_01	flat_Qth_R	23:25	15			LRS2	cal							Yes
lrs20000027_02	flat_Qth_R	23:26	15			LRS2	cal							Yes
lrs20000027_03	flat_Qth_R	23:28	15			LRS2	cal							Yes
lrs20000027_04	flat_Qth_R	23:29	15			LRS2	cal							Yes
lrs20000027_05	flat_Qth_R	23:30	15			LRS2	cal							Yes
lrs20000028_01	flat_ldls_long_B	23:31	20			LRS2	cal							Yes
0103	UNe Slave Cal	23:32	426			HPF	cal							Yes
lrs20000028_02	flat_ldls_long_B	23:33	20			LRS2	cal							Yes
lrs20000028_03	flat_ldls_long_B	23:34	20			LRS2	cal							Yes
lrs20000029_01	Cd-A_B	23:35	38			LRS2	cal							Yes
lrs20000029_02	Cd-A_B	23:37	38			LRS2	cal							Yes
lrs20000029_03	Cd-A_B	23:38	38			LRS2	cal							Yes
0104	UNe Slave Cal	23:40	426			HPF	cal							Yes
lrs20000030_01	FeAr_R	23:40	15			LRS2	cal							Yes
lrs20000030_02	FeAr_R	23:41	15			LRS2	cal							Yes
lrs20000030_03	FeAr_R	23:43	15			LRS2	cal							Yes
lrs20000031_01	Hg_R	23:44	20			LRS2	cal							Yes
lrs20000031_02	Hg_R	23:45	20			LRS2	cal							Yes
lrs20000031_03	Hg_R	23:46	20			LRS2	cal							Yes
0105	UNe Slave Cal	23:48	426			HPF	cal							Yes
lrs20000032_01	Hg_B	23:48	15			LRS2	cal							Yes
lrs20000032_02	Hg_B	23:49	15			LRS2	cal							Yes
lrs20000032_03	Hg_B	23:50	15			LRS2	cal							Yes
0106	UNe Slave Cal	23:55	426			HPF	cal							Yes
virus0000028_01	flat_ldls_long	23:57	15			VIRUS	cal							Yes
virus0000028_02	flat_ldls_long	23:58	15			VIRUS	cal							Yes