HET Night Report Reader

Civil Date	Ephemerides
2025-04-02	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:23	02:09	02:38	11:20	11:50	12:35	-	06:48
Night Length	8:42		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator
Stephen Odewahn	Justen Pautzke

Overlaps		none

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
22:11	20.0	15.4	22:31	clouds	00:20
03:50	12.8	14.7	05:38	clouds	01:48
05:51	12.8	13.7	07:38	clouds	01:47
07:45	12.0	13.6	07:57	clouds	00:12
Total Time Open					4:07

Program	Night Priority	Science
02:38	Idle due to weather (clouds)
04:49	Science
05:05	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
03:50	04:43	0.43	0.66	182	4646	12.6	13.2	13.5	346	4	First of Night

Problem Reports
PR Number	Times	Time Lost	Description	Response
6460	07:50-07:50	00:00	H3 Motor current fault while moving in slew fast. Closed for weather the remainder of the night, no time lost.	Called: CR, GD CR and GD came up and were not able to solve the issue. They will look at it tomorrow during the day.

TO Comments	Mostly cloudy with periods of threatening clouds and high 1.0u dust.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
virus0000019_03	bias	00:00	0			VIRUS	cal							Yes
lrs20000019_04	bias	00:00	0			LRS2	cal							Yes
virus0000019_04	bias	00:01	0			VIRUS	cal							Yes
lrs20000019_05	bias	00:01	0			LRS2	cal							Yes
virus0000019_05	bias	00:02	0			VIRUS	cal							Yes
lrs20000019_06	bias	00:02	0			LRS2	cal							Yes
virus0000019_06	bias	00:02	0			VIRUS	cal							Yes
lrs20000019_07	bias	00:03	0			LRS2	cal							Yes
virus0000019_07	bias	00:03	0			VIRUS	cal							Yes
lrs20000019_08	bias	00:04	0			LRS2	cal							Yes
virus0000019_08	bias	00:04	0			VIRUS	cal							Yes
lrs20000019_09	bias	00:05	0			LRS2	cal							Yes
virus0000019_09	bias	00:05	0			VIRUS	cal							Yes
lrs20000019_10	bias	00:06	0			LRS2	cal							Yes
virus0000019_10	bias	00:06	0			VIRUS	cal							Yes
lrs20000019_11	bias	00:06	0			LRS2	cal							Yes
virus0000019_11	bias	00:07	0			VIRUS	cal							Yes
lrs20000020_01	dark	00:07	360			LRS2	cal							Yes
virus0000020_01	dark	00:08	360			VIRUS	cal							Yes
lrs20000020_02	dark	00:14	360			LRS2	cal							Yes
virus0000020_02	dark	00:14	360			VIRUS	cal							Yes
lrs20000020_03	dark	00:21	360			LRS2	cal							Yes
virus0000020_03	dark	00:21	360			VIRUS	cal							Yes
0001	test_drk_donotuse	04:55	10.7			HPF	cal							Yes
0002	HR4828_tell_std	04:56	117.2	7.0		HPF	telluric	3.44		20.25	0.65			Yes
lrs20000001_01	HD116405_056_E	05:04	15	6.8		LRS2	spec	1.96		21.18	0.21			Yes
0003	test_drk_donotuse	05:52	10.7			HPF	cal							Yes
0004	QID 188	05:59	74.5	4.8	PSU25-2-005	HPF	sci	1.74		20.67	0.34	438	heavy clouds causes low transparency	No
0005	test_drk_donotuse	06:44	10.7			HPF	cal							Yes
0006	QID 208	06:46	74.5	5.8	PSU25-2-005	HPF	sci	1.91		20.19	0.38	352	clouds	No
0007	LFC Cal	06:51	106.5			HPF	cal							Yes
0008	LFC Cal	06:53	106.5			HPF	cal							Yes
0009	LFC Cal	06:55	106.5			HPF	cal							Yes
0010	LFC Cal	07:45	106.5			HPF	cal							Yes
virus0000001_01	parallel	07:45	300			VIRUS	sci							Yes
lrs20000002_01	QID 14	07:45	300	5.0	PSU25-2-003	LRS2-R	sci	3.04		20.85	0.33		low transparency due to clouds	No
0011	LFC Cal	07:48	106.5			HPF	cal							Yes
0012	LFC Cal	08:00	106.5			HPF	cal							Yes
0013	LFC Cal	08:03	106.5			HPF	cal							Yes
0014	LFC Cal	08:05	106.5			HPF	cal							Yes
0015	LFC Cal	08:36	106.5			HPF	cal							Yes
0016	LFC Cal	08:39	106.5			HPF	cal							Yes
0017	LFC Cal	08:41	106.5			HPF	cal							Yes
lrs20000003_01	bias	10:39	0			LRS2	cal							Yes
virus0000002_01	bias	10:39	0			VIRUS	cal							Yes
virus0000003_01	Cd-A	10:44	15		ENG25-2-002	VIRUS	cal							Yes
virus0000004_01	Hg	10:45	15		ENG25-2-002	VIRUS	cal							Yes
0018	Dark	10:55	319.5			HPF	cal							Yes
0019	Quartz FCU	11:06	74.5			HPF	cal							Yes
0020	Quartz FCU	11:08	74.5			HPF	cal							Yes
0021	Quartz FCU	11:10	74.5			HPF	cal							Yes
0022	Quartz FCU	11:12	74.5			HPF	cal							Yes
0023	Quartz FCU	11:13	74.5			HPF	cal							Yes
0024	Quartz FCU	11:15	74.5			HPF	cal							Yes
0025	Quartz FCU	11:17	74.5			HPF	cal							Yes
0026	Alpha Bright Cal	11:19	85.2			HPF	cal							Yes
0027	Alpha Bright Cal	11:21	85.2			HPF	cal							Yes
0028	Alpha Bright Cal	11:23	85.2			HPF	cal							Yes
0029	Alpha Bright Cal	11:25	85.2			HPF	cal							Yes
0030	LFC FCU	11:28	106.5			HPF	cal							Yes
0031	LFC FCU	11:30	106.5			HPF	cal							Yes
0032	LFC FCU	11:32	106.5			HPF	cal							Yes
0033	LFC FCU	11:35	106.5			HPF	cal							Yes
0034	LFC FCU	11:37	106.5			HPF	cal							Yes
0035	LFC FCU	11:39	106.5			HPF	cal							Yes
0036	LFC Cal	11:42	106.5			HPF	cal							Yes
0037	LFC Cal	11:45	106.5			HPF	cal							Yes
0038	Etalon Cal	11:52	159.8			HPF	cal							Yes
0039	Etalon Cal	11:56	159.8			HPF	cal							Yes
0040	Etalon Cal	11:59	159.8			HPF	cal							Yes
0041	Etalon Cal	12:02	159.8			HPF	cal							Yes
0042	UNe Slave Cal	12:06	426			HPF	cal							Yes
0043	UNe Slave Cal	12:13	426			HPF	cal							Yes
0044	UNe Slave Cal	12:21	426			HPF	cal							Yes
0045	UNe Slave Cal	12:29	426			HPF	cal							Yes
0046	UNe Slave Cal	12:37	426			HPF	cal							Yes
0047	UNe Slave Cal	12:44	426			HPF	cal							Yes
0059	LFC Cal	21:45	106.5			HPF	cal							Yes
lrs20009900_01	bias	21:55	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	21:56	20			VIRUS	cal							Yes
virus0009901_01	bias	21:58	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	21:58	20			LRS2	cal							Yes
virus0009902_01	dark	22:00	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:01	38			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:02	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:04	15			LRS2	cal							Yes
0060	Dark	22:31	319.5			HPF	cal							Yes
0061	Quartz FCU	22:38	74.5			HPF	cal							Yes
0062	Quartz FCU	22:40	74.5			HPF	cal							Yes
0063	Quartz FCU	22:41	74.5			HPF	cal							Yes
0064	Quartz FCU	22:43	74.5			HPF	cal							Yes
0065	Quartz FCU	22:45	74.5			HPF	cal							Yes
0066	Quartz FCU	22:47	74.5			HPF	cal							Yes
0067	Quartz FCU	22:49	74.5			HPF	cal							Yes
0068	Alpha Bright Cal	22:51	85.2			HPF	cal							Yes
0069	Alpha Bright Cal	22:53	85.2			HPF	cal							Yes
0070	Alpha Bright Cal	22:55	85.2			HPF	cal							Yes
0071	Alpha Bright Cal	22:57	85.2			HPF	cal							Yes
0072	LFC FCU	22:59	106.5			HPF	cal							Yes
0073	LFC FCU	23:02	106.5			HPF	cal							Yes
0074	LFC Cal	23:04	106.5			HPF	cal							Yes
0075	LFC Cal	23:07	106.5			HPF	cal							Yes
0076	Etalon Cal	23:09	159.8			HPF	cal							Yes
0077	UNe Slave Cal	23:13	426			HPF	cal							Yes
lrs20000013_01	flat_Qth_R	23:14	15			LRS2	cal							Yes
lrs20000013_02	flat_Qth_R	23:15	15			LRS2	cal							Yes
lrs20000013_03	flat_Qth_R	23:17	15			LRS2	cal							Yes
lrs20000013_04	flat_Qth_R	23:18	15			LRS2	cal							Yes
lrs20000013_05	flat_Qth_R	23:19	15			LRS2	cal							Yes
lrs20000014_01	flat_ldls_long_B	23:20	20			LRS2	cal							Yes
0078	UNe Slave Cal	23:21	426			HPF	cal							Yes
lrs20000014_02	flat_ldls_long_B	23:22	20			LRS2	cal							Yes
lrs20000014_03	flat_ldls_long_B	23:23	20			LRS2	cal							Yes
lrs20000015_01	Cd-A_B	23:24	38			LRS2	cal							Yes
lrs20000015_02	Cd-A_B	23:26	38			LRS2	cal							Yes
lrs20000015_03	Cd-A_B	23:27	38			LRS2	cal							Yes
0079	UNe Slave Cal	23:29	426			HPF	cal							Yes
lrs20000016_01	FeAr_R	23:29	15			LRS2	cal							Yes
lrs20000016_02	FeAr_R	23:30	15			LRS2	cal							Yes
lrs20000016_03	FeAr_R	23:31	15			LRS2	cal							Yes
lrs20000017_01	Hg_R	23:33	20			LRS2	cal							Yes
lrs20000017_02	Hg_R	23:34	20			LRS2	cal							Yes
lrs20000017_03	Hg_R	23:35	20			LRS2	cal							Yes
0080	UNe Slave Cal	23:36	426			HPF	cal							Yes
lrs20000018_01	Hg_B	23:37	15			LRS2	cal							Yes
lrs20000018_02	Hg_B	23:38	15			LRS2	cal							Yes
lrs20000018_03	Hg_B	23:39	15			LRS2	cal							Yes
0081	UNe Slave Cal	23:44	426			HPF	cal							Yes
virus0000016_01	flat_ldls_long	23:45	15			VIRUS	cal							Yes
virus0000016_02	flat_ldls_long	23:47	15			VIRUS	cal							Yes
virus0000016_03	flat_ldls_long	23:48	15			VIRUS	cal							Yes
virus0000017_01	Cd-A	23:50	15			VIRUS	cal							Yes
virus0000017_02	Cd-A	23:51	15			VIRUS	cal							Yes
0082	UNe Slave Cal	23:52	426			HPF	cal							Yes
virus0000017_03	Cd-A	23:52	15			VIRUS	cal							Yes
virus0000018_01	Hg	23:54	15			VIRUS	cal							Yes
virus0000018_02	Hg	23:55	15			VIRUS	cal							Yes
virus0000018_03	Hg	23:57	15			VIRUS	cal							Yes
lrs20000019_01	bias	23:58	0			LRS2	cal							Yes
virus0000019_01	bias	23:58	0			VIRUS	cal							Yes
lrs20000019_02	bias	23:59	0			LRS2	cal							Yes
virus0000019_02	bias	23:59	0			VIRUS	cal							Yes
lrs20000019_03	bias	23:59	0			LRS2	cal							Yes