HET Night Report Reader

Civil Date	Ephemerides
2025-04-25	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:38	02:26	02:57	10:50	11:21	12:10	11:12	23:32
Night Length	7:53		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator
Stephen Odewahn	Nathan McReynolds

Overlaps		none

Other Personnel	George Damm

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
01:28	19.5	19.6	04:45	dew point	03:17
Total Time Open					3:17

Program	Night Priority	Science
03:41	Science
04:32	Idle due to weather (dew point closure)

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
02:16	03:41	0.43	0.66	202	+2965	16.3	17.3	17.5	130	11	First of Night

Problem Reports
PR Number	Times	Time Lost	Description	Response
4283	02:07-02:16, 02:50-03:23	00:42	MARS Y stage hits upper limit before arriving in position for stack	Called: George Climb tower to adjust Y stage. Y stage drifted into position for one side while George was driving up allowing me to start stacking during this time

TO Comments	none

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	01:43	7			LRS2	cal							Yes
lrs20000002_01	skyflat	01:44	10			LRS2	cal							Yes
lrs20000003_01	skyflat	01:45	13			LRS2	cal							Yes
lrs20000004_01	skyflat	01:46	16			LRS2	cal							Yes
lrs20000005_01	skyflat	01:48	22			LRS2	cal							Yes
lrs20000006_01	skyflat	01:49	30			LRS2	cal							Yes
virus0000001_01	skyflat	01:52	7			VIRUS	cal							Yes
virus0000002_01	skyflat	01:53	10			VIRUS	cal							Yes
virus0000003_01	skyflat	01:55	14			VIRUS	cal							Yes
virus0000004_01	skyflat	01:56	18			VIRUS	cal							Yes
virus0000005_01	skyflat	01:58	26			VIRUS	cal							Yes
lrs20000007_01	BD+541216_056_W	03:47	60	6.0		LRS2	spec	1.73		21.70	0.67			Yes
lrs20000008_01	BD+541216_066_W	03:53	30	4.5		LRS2	spec	1.45		20.65	0.88			Yes
0001	LFC Cal	03:55	106.5			HPF	cal							Yes
0002	LFC Cal	04:00	106.5			HPF	cal							Yes
lrs20000009_01	parallel	04:00	600			LRS2	sci							Yes
virus0000006_01	QID 288	04:00	600	7.0	UT25-2-014	VIRUS	sci	1.45		21.66	0.79			Yes
0003	LFC Cal	04:02	106.5			HPF	cal							Yes
0004	LFC Cal	04:05	106.5			HPF	cal							Yes
lrs20000009_02	parallel	04:11	600			LRS2	sci							Yes
virus0000006_02	QID 288	04:11	600	1.0	UT25-2-014	VIRUS	sci	1.37		21.58	0.81			Yes
lrs20000009_03	parallel	04:22	600			LRS2	sci							Yes
virus0000006_03	QID 288	04:22	600	1.0	UT25-2-014	VIRUS	sci	1.37		21.43	0.92			Yes
0005	LFC Cal	04:34	106.5			HPF	cal							Yes
0006	LFC Cal	04:38	106.5			HPF	cal							Yes
lrs20000010_01	parallel	04:38	1000			LRS2	sci							Yes
virus0000007_01	QID 1652	04:38	540	6.0	UT25-2-021	VIRUS	sci	1.42		21.58	0.71		stopped by dew point closure in first image.	No
0007	LFC Cal	04:40	106.5			HPF	cal							Yes
0008	LFC Cal	04:43	106.5			HPF	cal							Yes
0009	LFC Cal	05:31	106.5			HPF	cal							Yes
0010	LFC Cal	05:34	106.5			HPF	cal							Yes
0011	LFC Cal	05:36	106.5			HPF	cal							Yes
0012	LFC Cal	06:42	106.5			HPF	cal							Yes
0013	LFC Cal	06:45	106.5			HPF	cal							Yes
0014	LFC Cal	06:47	106.5			HPF	cal							Yes
0015	LFC Cal	07:28	106.5			HPF	cal							Yes
0016	LFC Cal	07:30	106.5			HPF	cal							Yes
0017	LFC Cal	07:33	106.5			HPF	cal							Yes
0018	LFC Cal	08:35	106.5			HPF	cal							Yes
0019	LFC Cal	08:37	106.5			HPF	cal							Yes
0020	LFC Cal	08:39	106.5			HPF	cal							Yes
0021	LFC Cal	09:49	106.5			HPF	cal							Yes
0022	LFC Cal	09:51	106.5			HPF	cal							Yes
0023	LFC Cal	09:54	106.5			HPF	cal							Yes
lrs20000011_01	bias	11:20	0			LRS2	cal							Yes
virus0000008_01	bias	11:20	0			VIRUS	cal							Yes
virus0000009_01	Cd-A	11:25	15		ENG25-2-002	VIRUS	cal							Yes
virus0000010_01	Hg	11:26	15		ENG25-2-002	VIRUS	cal							Yes
0024	Dark	11:33	319.5			HPF	cal							Yes
0025	Quartz FCU	11:45	74.5			HPF	cal							Yes
0026	Quartz FCU	11:47	74.5			HPF	cal							Yes
0027	Quartz FCU	11:48	74.5			HPF	cal							Yes
0028	Quartz FCU	11:50	74.5			HPF	cal							Yes
0029	Quartz FCU	11:52	74.5			HPF	cal							Yes
0030	Quartz FCU	11:54	74.5			HPF	cal							Yes
0031	Quartz FCU	11:56	74.5			HPF	cal							Yes
0032	Alpha Bright Cal	11:58	85.2			HPF	cal							Yes
0033	Alpha Bright Cal	12:00	85.2			HPF	cal							Yes
0034	Alpha Bright Cal	12:02	85.2			HPF	cal							Yes
0035	Alpha Bright Cal	12:04	85.2			HPF	cal							Yes
0036	LFC FCU	12:06	106.5			HPF	cal							Yes
0037	LFC FCU	12:09	106.5			HPF	cal							Yes
0038	LFC FCU	12:11	106.5			HPF	cal							Yes
0039	LFC FCU	12:13	106.5			HPF	cal							Yes
0040	LFC FCU	12:16	106.5			HPF	cal							Yes
0041	LFC FCU	12:18	106.5			HPF	cal							Yes
0042	LFC Cal	12:21	106.5			HPF	cal							Yes
0043	LFC Cal	12:23	106.5			HPF	cal							Yes
0044	Etalon Cal	12:31	159.8			HPF	cal							Yes
0045	Etalon Cal	12:34	159.8			HPF	cal							Yes
0046	Etalon Cal	12:37	159.8			HPF	cal							Yes
0047	Etalon Cal	12:41	159.8			HPF	cal							Yes
0048	UNe Slave Cal	12:44	426			HPF	cal							Yes
0049	UNe Slave Cal	12:52	426			HPF	cal							Yes
0050	UNe Slave Cal	13:00	426			HPF	cal							Yes
0051	UNe Slave Cal	13:07	426			HPF	cal							Yes
0052	UNe Slave Cal	13:15	426			HPF	cal							Yes
0053	UNe Slave Cal	13:23	426			HPF	cal							Yes
0071	LFC Cal	21:37	106.5			HPF	cal							Yes
lrs20009900_01	bias	21:53	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	21:54	20			VIRUS	cal							Yes
virus0009901_01	bias	21:56	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	21:56	20			LRS2	cal							Yes
virus0009902_01	dark	21:58	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	21:59	38			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:00	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:02	15			LRS2	cal							Yes
0072	Dark	22:05	319.5			HPF	cal							Yes
0073	Quartz FCU	22:11	74.5			HPF	cal							Yes
0074	Quartz FCU	22:13	74.5			HPF	cal							Yes
0075	Quartz FCU	22:15	74.5			HPF	cal							Yes
0076	Quartz FCU	22:17	74.5			HPF	cal							Yes
0077	Quartz FCU	22:18	74.5			HPF	cal							Yes
0078	Quartz FCU	22:20	74.5			HPF	cal							Yes
0079	Quartz FCU	22:22	74.5			HPF	cal							Yes
0080	Alpha Bright Cal	22:24	85.2			HPF	cal							Yes
0081	Alpha Bright Cal	22:26	85.2			HPF	cal							Yes
0082	Alpha Bright Cal	22:28	85.2			HPF	cal							Yes
0083	Alpha Bright Cal	22:30	85.2			HPF	cal							Yes
0084	LFC FCU	22:33	106.5			HPF	cal							Yes
0085	LFC FCU	22:35	106.5			HPF	cal							Yes
0086	LFC Cal	22:38	106.5			HPF	cal							Yes
0087	LFC Cal	22:40	106.5			HPF	cal							Yes
0088	Etalon Cal	22:43	159.8			HPF	cal							Yes
0089	UNe Slave Cal	22:46	426			HPF	cal							Yes
lrs20000017_01	flat_Qth_R	22:47	15			LRS2	cal							Yes
lrs20000017_02	flat_Qth_R	22:48	15			LRS2	cal							Yes
lrs20000017_03	flat_Qth_R	22:50	15			LRS2	cal							Yes
lrs20000017_04	flat_Qth_R	22:51	15			LRS2	cal							Yes
lrs20000017_05	flat_Qth_R	22:52	15			LRS2	cal							Yes
lrs20000018_01	flat_ldls_long_B	22:53	20			LRS2	cal							Yes
0090	UNe Slave Cal	22:54	426			HPF	cal							Yes
lrs20000018_02	flat_ldls_long_B	22:55	20			LRS2	cal							Yes
lrs20000018_03	flat_ldls_long_B	22:56	20			LRS2	cal							Yes
lrs20000019_01	Cd-A_B	22:57	38			LRS2	cal							Yes
lrs20000019_02	Cd-A_B	22:59	38			LRS2	cal							Yes
lrs20000019_03	Cd-A_B	23:01	38			LRS2	cal							Yes
0091	UNe Slave Cal	23:02	426			HPF	cal							Yes
lrs20000020_01	FeAr_R	23:02	15			LRS2	cal							Yes
lrs20000020_02	FeAr_R	23:04	15			LRS2	cal							Yes
lrs20000020_03	FeAr_R	23:05	15			LRS2	cal							Yes
lrs20000021_01	Hg_R	23:06	20			LRS2	cal							Yes
lrs20000021_02	Hg_R	23:07	20			LRS2	cal							Yes
lrs20000021_03	Hg_R	23:09	20			LRS2	cal							Yes
0092	UNe Slave Cal	23:10	426			HPF	cal							Yes
lrs20000022_01	Hg_B	23:10	15			LRS2	cal							Yes
lrs20000022_02	Hg_B	23:11	15			LRS2	cal							Yes
lrs20000022_03	Hg_B	23:12	15			LRS2	cal							Yes
0093	UNe Slave Cal	23:17	426			HPF	cal							Yes
virus0000019_01	flat_ldls_long	23:19	15			VIRUS	cal							Yes
virus0000019_02	flat_ldls_long	23:21	15			VIRUS	cal							Yes
virus0000019_03	flat_ldls_long	23:22	15			VIRUS	cal							Yes
virus0000020_01	Cd-A	23:23	15			VIRUS	cal							Yes
0094	UNe Slave Cal	23:25	426			HPF	cal							Yes
virus0000020_02	Cd-A	23:25	15			VIRUS	cal							Yes
virus0000020_03	Cd-A	23:26	15			VIRUS	cal							Yes
virus0000021_01	Hg	23:28	15			VIRUS	cal							Yes
virus0000021_02	Hg	23:29	15			VIRUS	cal							Yes
virus0000021_03	Hg	23:31	15			VIRUS	cal							Yes
lrs20000023_01	bias	23:32	0			LRS2	cal							Yes
virus0000022_01	bias	23:32	0			VIRUS	cal							Yes
lrs20000023_02	bias	23:33	0			LRS2	cal							Yes
virus0000022_02	bias	23:33	0			VIRUS	cal							Yes
lrs20000023_03	bias	23:33	0			LRS2	cal							Yes
virus0000022_03	bias	23:34	0			VIRUS	cal							Yes
lrs20000023_04	bias	23:34	0			LRS2	cal							Yes
virus0000022_04	bias	23:35	0			VIRUS	cal							Yes
lrs20000023_05	bias	23:35	0			LRS2	cal							Yes
virus0000022_05	bias	23:35	0			VIRUS	cal							Yes
lrs20000023_06	bias	23:36	0			LRS2	cal							Yes
virus0000022_06	bias	23:36	0			VIRUS	cal							Yes
lrs20000023_07	bias	23:37	0			LRS2	cal							Yes
virus0000022_07	bias	23:37	0			VIRUS	cal							Yes
lrs20000023_08	bias	23:38	0			LRS2	cal							Yes
virus0000022_08	bias	23:38	0			VIRUS	cal							Yes
lrs20000023_09	bias	23:39	0			LRS2	cal							Yes
virus0000022_09	bias	23:39	0			VIRUS	cal							Yes
lrs20000023_10	bias	23:40	0			LRS2	cal							Yes
lrs20000023_11	bias	23:40	0			LRS2	cal							Yes
virus0000022_10	bias	23:40	0			VIRUS	cal							Yes
virus0000022_11	bias	23:41	0			VIRUS	cal							Yes
lrs20000024_01	dark	23:41	360			LRS2	cal							Yes
virus0000023_01	dark	23:42	360			VIRUS	cal							Yes
lrs20000024_02	dark	23:48	360			LRS2	cal							Yes
virus0000023_02	dark	23:48	360			VIRUS	cal							Yes
lrs20000024_03	dark	23:55	360			LRS2	cal							Yes
virus0000023_03	dark	23:55	360			VIRUS	cal							Yes