HET Night Report Reader

Civil Date	Ephemerides
2025-03-31	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:22	02:07	02:36	11:23	11:52	12:38	-	04:24
Night Length	8:47		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
01:14	17.6	15.9	12:04	twilight	10:50
Total Time Open					10:50

Program	Night Priority	Science
02:36	Science
10:14	Idle due to weather (clouds from west)

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
01:59	02:37	0.45	0.69	212	3582	16.9	16.1	16.1	239	12	First of Night
11:55	12:01	0.50	0.74	137	3958	16.0	16.0	16.0	226	18	Post-Observing

Problem Reports
PR Number	Times	Time Lost	Description	Response
6456	22:39-22:39, 00:35-00:35	00:00	OPS: 6:2 oscillation
6459	01:42-01:59, 02:37-04:02	01:42	Loud screeching, rumbling, and whirring noises while rotating both CW and CCW thru 30-40 degrees azimuth.	Called: HK, JC, GD, GS JC came up and investigated, He thinks we are OK to run for the night. Does not sound as dramatic in the dome as over the microphone.

TO Comments	Strange dome noises at the beginning of the night but no other noises for the rest of the night. Overall a good night with stable conditions.

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	01:26	7			LRS2	cal							Yes
lrs20000002_01	skyflat	01:27	10			LRS2	cal							Yes
lrs20000003_01	skyflat	01:28	13			LRS2	cal							Yes
lrs20000004_01	skyflat	01:29	16			LRS2	cal							Yes
lrs20000005_01	skyflat	01:30	22			LRS2	cal							Yes
lrs20000006_01	skyflat	01:32	30			LRS2	cal							Yes
virus0000001_01	skyflat	01:35	7			VIRUS	cal							Yes
virus0000002_01	skyflat	01:36	10			VIRUS	cal							Yes
virus0000003_01	skyflat	01:37	14			VIRUS	cal							Yes
virus0000004_01	skyflat	01:39	18			VIRUS	cal							Yes
virus0000005_01	skyflat	01:40	26			VIRUS	cal							Yes
virus0000006_01	HZ21_034_E	04:07	60	5.0		VIRUS	spec	1.93		21.93	0.27			Yes
virus0000006_02	HZ21_034_E	04:10	60	2.0		VIRUS	spec	1.96		21.87	0.26			Yes
virus0000006_03	HZ21_034_E	04:12	60	1.0		VIRUS	spec	1.93		21.85	0.24			Yes
lrs20000007_01	BD+541216_056_W	04:21	60	8.0		LRS2	spec	1.84	0.97	21.48	0.45			Yes
lrs20000008_01	BD+541216_066_W	04:26	30	3.5		LRS2	spec	1.83	1.00	20.48	0.68			Yes
0001	test_drk_donotuse	04:32	10.7			HPF	cal							Yes
0002	HR4356_tell_std	04:35	117.2	9.0		HPF	telluric	1.77	1.00	20.19	0.76			Yes
0003	test_drk_donotuse	04:53	10.7			HPF	cal							Yes
0004	HR4391_tell_std	04:54	330.2	17.5		HPF	telluric	1.58	1.07	20.10	0.70		waited for clouds to clear	Yes
0005	LFC Cal	05:02	106.5			HPF	cal							Yes
0006	test_drk_donotuse	05:05	10.7			HPF	cal							Yes
0007	parallel	05:06	617.7	6.7	UT25-1-025	HPF	sci	1.42	0.90	20.06	0.57	50		Yes
virus0000007_01	parallel	05:06	1984			VIRUS	sci							Yes
0008	parallel	05:17	617.7	0.7	UT25-1-025	HPF	sci	1.37	0.81	19.95	0.55	54		Yes
0009	parallel	05:29	617.7	0.7	UT25-1-025	HPF	sci	1.34	0.79	19.96	0.82	61		Yes
0010	LFC Cal	05:40	106.5			HPF	cal							Yes
virus0000008_01	parallel	05:47	1200			VIRUS	sci							Yes
0011	LFC Cal	05:48	106.5			HPF	cal							Yes
lrs20000009_01	parallel	05:48	1200	9.0	UT25-1-011	LRS2-B	sci	1.55	0.88	21.74	0.67			Yes
0012	LFC Cal	05:50	106.5			HPF	cal							Yes
0013	LFC Cal	05:52	106.5			HPF	cal							Yes
0014	LFC Cal	06:09	106.5			HPF	cal							Yes
0015	LFC Cal	06:11	106.5			HPF	cal							Yes
virus0000009_01	parallel	06:11	1200			VIRUS	sci							Yes
lrs20000010_01	parallel	06:11	1200	3.0	UT25-1-011	LRS2-B	sci	1.54	1.17	21.55	0.60			Yes
0016	LFC Cal	06:14	106.5			HPF	cal							Yes
0017	LFC Cal	06:16	106.5			HPF	cal							Yes
0018	LFC Cal	06:32	106.5			HPF	cal							Yes
0019	test_drk_donotuse	06:37	10.7			HPF	cal							Yes
0020	parallel	06:38	649.6	7.2	PSU25-1-016	HPF	sci	1.75	1.36	20.07	0.83	324		Yes
virus0000010_01	parallel	06:38	2083			VIRUS	sci							Yes
0021	parallel	06:50	649.6	1.2	PSU25-1-016	HPF	sci	1.62	1.33	20.06	0.91	373		Yes
0022	parallel	07:01	649.6	0.2	PSU25-1-016	HPF	sci	1.45	1.11	19.99	0.92	378		Yes
0023	LFC Cal	07:14	106.5			HPF	cal							Yes
0024	test_drk_donotuse	07:18	10.7			HPF	cal							Yes
0025	parallel	07:19	969.1	6.8	PSU25-1-017	HPF	sci	1.45	0.85	20.24	0.86	234		Yes
virus0000011_01	parallel	07:19	2047			VIRUS	sci							Yes
0026	parallel	07:36	969.1	1.8	PSU25-1-017	HPF	sci	1.48	0.94	20.23	0.89	254		Yes
0027	LFC Cal	07:54	106.5			HPF	cal							Yes
0028	test_drk_donotuse	07:59	10.7			HPF	cal							Yes
0029	parallel	08:00	969.1	6.8	UT25-1-024	HPF	sci	1.80	1.39	19.98	0.98	51		Yes
virus0000012_01	parallel	08:00	2047			VIRUS	sci							Yes
0030	parallel	08:17	969.1	0.8	UT25-1-024	HPF	sci	1.74	1.00	19.95	1.03	46		Yes
0031	LFC Cal	08:35	106.5			HPF	cal							Yes
0032	test_drk_donotuse	08:39	10.7			HPF	cal							Yes
0033	parallel	08:40	894.6	7.1	UT25-1-014	HPF	sci	1.82	1.12	20.07	0.78	51		Yes
virus0000013_01	parallel	08:40	5701			VIRUS	sci							Yes
0034	parallel	08:56	894.6	1.1	UT25-1-014	HPF	sci	1.86	0.97	19.81	0.35	35	low transparency	Yes
0035	parallel	09:12	894.6	1.1	UT25-1-014	HPF	sci	1.91	1.19	20.26	0.75	53		Yes
0036	parallel	09:27	894.6	0.1	UT25-1-014	HPF	sci	1.99	1.46	20.21	0.78	53		Yes
0037	parallel	09:43	894.6	1.1	UT25-1-014	HPF	sci	1.90	1.22	20.30	0.83	53		Yes
0038	parallel	09:59	894.6	1.1	UT25-1-014	HPF	sci	2.04	1.26	20.26	0.68	39		Yes
0039	LFC Cal	10:16	106.5			HPF	cal							Yes
0040	test_drk_donotuse	10:21	10.7			HPF	cal							Yes
0041	parallel	10:22	617.7	7.7	UT25-1-025	HPF	sci	2.05	1.22	20.30	0.51	9	clouds from west	No
virus0000014_01	parallel	10:22	1984			VIRUS	sci						clouds from west	Yes
0042	parallel	10:33	617.7	0.7	UT25-1-025	HPF	sci	1.97	1.28	20.21	0.49	11		No
0043	parallel	10:44	617.7	0.7	UT25-1-025	HPF	sci	1.96	1.29	20.04	0.30	10		No
0044	LFC Cal	10:56	106.5			HPF	cal							Yes
0045	test_drk_donotuse	11:00	10.7			HPF	cal							Yes
0046	parallel	11:00	915.9	6.7	UT25-1-021	HPF	sci	2.14	1.33	19.61	0.15	16	lost guide star to clouds in first image	No
virus0000015_01	parallel	11:00	1959			VIRUS	sci							Yes
0047	test_drk_donotuse	11:31	10.7			HPF	cal							Yes
0048	parallel	11:38	308.9	5.9	UT25-1-016	HPF	sci	2.23	1.44	20.47	0.95	175		P4
virus0000016_01	parallel	11:38	1060			VIRUS	sci							Yes
0049	parallel	11:44	308.9	0.9	UT25-1-016	HPF	sci	2.11	1.35	20.23	1.00	190		P4
0050	parallel	11:50	308.9	0.9	UT25-1-016	HPF	sci	2.14	1.21	19.72	1.06	184		P4
lrs20000011_01	bias	11:57	0			LRS2	cal							Yes
virus0000017_01	bias	11:58	0			VIRUS	cal							Yes
virus0000018_01	Cd-A	12:02	15		ENG25-1-002	VIRUS	cal							Yes
virus0000019_01	Hg	12:03	15		ENG25-1-002	VIRUS	cal							Yes
0051	Dark	12:11	319.5			HPF	cal							Yes
0052	Quartz FCU	12:22	74.5			HPF	cal							Yes
0053	Quartz FCU	12:24	74.5			HPF	cal							Yes
0054	Quartz FCU	12:26	74.5			HPF	cal							Yes
0055	Quartz FCU	12:28	74.5			HPF	cal							Yes
0056	Quartz FCU	12:29	74.5			HPF	cal							Yes
0057	Quartz FCU	12:31	74.5			HPF	cal							Yes
0058	Quartz FCU	12:33	74.5			HPF	cal							Yes
0059	Alpha Bright Cal	12:35	85.2			HPF	cal							Yes
0060	Alpha Bright Cal	12:37	85.2			HPF	cal							Yes
0061	Alpha Bright Cal	12:39	85.2			HPF	cal							Yes
0062	Alpha Bright Cal	12:41	85.2			HPF	cal							Yes
0063	LFC FCU	12:44	106.5			HPF	cal							Yes
0064	LFC FCU	12:46	106.5			HPF	cal							Yes
0065	LFC FCU	12:48	106.5			HPF	cal							Yes
0066	LFC FCU	12:51	106.5			HPF	cal							Yes
0067	LFC FCU	12:53	106.5			HPF	cal							Yes
0068	LFC FCU	12:55	106.5			HPF	cal							Yes
0069	LFC Cal	12:58	106.5			HPF	cal							Yes
0070	LFC Cal	13:00	106.5			HPF	cal							Yes
0071	Etalon Cal	13:08	159.8			HPF	cal							Yes
0072	Etalon Cal	13:11	159.8			HPF	cal							Yes
0073	Etalon Cal	13:15	159.8			HPF	cal							Yes
0074	Etalon Cal	13:18	159.8			HPF	cal							Yes
0075	UNe Slave Cal	13:21	426			HPF	cal							Yes
0076	UNe Slave Cal	13:29	426			HPF	cal							Yes
0077	UNe Slave Cal	13:37	426			HPF	cal							Yes
0078	UNe Slave Cal	13:45	426			HPF	cal							Yes
0079	UNe Slave Cal	13:52	426			HPF	cal							Yes
0080	UNe Slave Cal	14:00	426			HPF	cal							Yes
0097	LFC Cal	21:46	106.5			HPF	cal							Yes
lrs20009900_01	bias	21:54	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	21:55	20			VIRUS	cal							Yes
virus0009901_01	bias	21:57	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	21:57	20			LRS2	cal							Yes
virus0009902_01	dark	21:59	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	21:59	38			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:01	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:03	15			LRS2	cal							Yes
0098	Dark	22:05	319.5			HPF	cal							Yes
0099	Quartz FCU	22:11	74.5			HPF	cal							Yes
0100	Quartz FCU	22:13	74.5			HPF	cal							Yes
0101	Quartz FCU	22:15	74.5			HPF	cal							Yes
0102	Quartz FCU	22:17	74.5			HPF	cal							Yes
0103	Quartz FCU	22:18	74.5			HPF	cal							Yes
0104	Quartz FCU	22:20	74.5			HPF	cal							Yes
0105	Quartz FCU	22:22	74.5			HPF	cal							Yes
0106	Alpha Bright Cal	22:24	85.2			HPF	cal							Yes
0107	Alpha Bright Cal	22:26	85.2			HPF	cal							Yes
0108	Alpha Bright Cal	22:28	85.2			HPF	cal							Yes
0109	Alpha Bright Cal	22:30	85.2			HPF	cal							Yes
0110	LFC FCU	22:33	106.5			HPF	cal							Yes
0111	LFC FCU	22:35	106.5			HPF	cal							Yes
0112	LFC Cal	22:38	106.5			HPF	cal							Yes
0113	LFC Cal	22:40	106.5			HPF	cal							Yes
0114	Etalon Cal	22:43	159.8			HPF	cal							Yes
0115	UNe Slave Cal	22:46	426			HPF	cal							Yes
lrs20000022_01	flat_Qth_R	22:47	15			LRS2	cal							Yes
lrs20000022_02	flat_Qth_R	22:48	15			LRS2	cal							Yes
lrs20000022_03	flat_Qth_R	22:50	15			LRS2	cal							Yes
lrs20000022_04	flat_Qth_R	22:51	15			LRS2	cal							Yes
lrs20000022_05	flat_Qth_R	22:52	15			LRS2	cal							Yes
lrs20000023_01	flat_ldls_long_B	22:53	20			LRS2	cal							Yes
0116	UNe Slave Cal	22:54	426			HPF	cal							Yes
lrs20000023_02	flat_ldls_long_B	22:55	20			LRS2	cal							Yes
lrs20000023_03	flat_ldls_long_B	22:56	20			LRS2	cal							Yes
lrs20000024_01	Cd-A_B	22:57	38			LRS2	cal							Yes
lrs20000024_02	Cd-A_B	22:59	38			LRS2	cal							Yes
lrs20000024_03	Cd-A_B	23:01	38			LRS2	cal							Yes
0117	UNe Slave Cal	23:02	426			HPF	cal							Yes
lrs20000025_01	FeAr_R	23:02	15			LRS2	cal							Yes
lrs20000025_02	FeAr_R	23:03	15			LRS2	cal							Yes
lrs20000025_03	FeAr_R	23:05	15			LRS2	cal							Yes
lrs20000026_01	Hg_R	23:06	20			LRS2	cal							Yes
lrs20000026_02	Hg_R	23:07	20			LRS2	cal							Yes
lrs20000026_03	Hg_R	23:08	20			LRS2	cal							Yes
0118	UNe Slave Cal	23:10	426			HPF	cal							Yes
lrs20000027_01	Hg_B	23:10	15			LRS2	cal							Yes
lrs20000027_02	Hg_B	23:11	15			LRS2	cal							Yes
lrs20000027_03	Hg_B	23:12	15			LRS2	cal							Yes
0119	UNe Slave Cal	23:17	426			HPF	cal							Yes
virus0000029_01	flat_ldls_long	23:19	15			VIRUS	cal							Yes
virus0000029_02	flat_ldls_long	23:20	15			VIRUS	cal							Yes
virus0000029_03	flat_ldls_long	23:22	15			VIRUS	cal							Yes
virus0000030_01	Cd-A	23:23	15			VIRUS	cal							Yes
virus0000030_02	Cd-A	23:24	15			VIRUS	cal							Yes
0120	UNe Slave Cal	23:25	426			HPF	cal							Yes
virus0000030_03	Cd-A	23:26	15			VIRUS	cal							Yes
virus0000031_01	Hg	23:27	15			VIRUS	cal							Yes
virus0000031_02	Hg	23:29	15			VIRUS	cal							Yes
virus0000031_03	Hg	23:30	15			VIRUS	cal							Yes
lrs20000028_01	bias	23:32	0			LRS2	cal							Yes
virus0000032_01	bias	23:32	0			VIRUS	cal							Yes
lrs20000028_02	bias	23:32	0			LRS2	cal							Yes
virus0000032_02	bias	23:32	0			VIRUS	cal							Yes
lrs20000028_03	bias	23:33	0			LRS2	cal							Yes
virus0000032_03	bias	23:33	0			VIRUS	cal							Yes
lrs20000028_04	bias	23:34	0			LRS2	cal							Yes
virus0000032_04	bias	23:34	0			VIRUS	cal							Yes
lrs20000028_05	bias	23:35	0			LRS2	cal							Yes
virus0000032_05	bias	23:35	0			VIRUS	cal							Yes
lrs20000028_06	bias	23:36	0			LRS2	cal							Yes
virus0000032_06	bias	23:36	0			VIRUS	cal							Yes
lrs20000028_07	bias	23:36	0			LRS2	cal							Yes
lrs20000028_08	bias	23:37	0			LRS2	cal							Yes
virus0000032_07	bias	23:37	0			VIRUS	cal							Yes
virus0000032_08	bias	23:38	0			VIRUS	cal							Yes
lrs20000028_09	bias	23:38	0			LRS2	cal							Yes
virus0000032_09	bias	23:39	0			VIRUS	cal							Yes
lrs20000028_10	bias	23:39	0			LRS2	cal							Yes
virus0000032_10	bias	23:39	0			VIRUS	cal							Yes
lrs20000028_11	bias	23:40	0			LRS2	cal							Yes
virus0000032_11	bias	23:40	0			VIRUS	cal							Yes
lrs20000029_01	dark	23:41	360			LRS2	cal							Yes
virus0000033_01	dark	23:41	360			VIRUS	cal							Yes
lrs20000029_02	dark	23:48	360			LRS2	cal							Yes
virus0000033_02	dark	23:48	360			VIRUS	cal							Yes
lrs20000029_03	dark	23:55	360			LRS2	cal							Yes
virus0000033_03	dark	23:55	360			VIRUS	cal							Yes