HET Night Report Reader

Civil Date	Ephemerides
2025-04-15	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:31	02:18	02:48	11:03	11:33	12:20	04:04	-
Night Length	8:15		Sunset Temperature

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

Overlaps		none

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
01:21	16.5	15.0	11:25	twilight	10:04
Total Time Open					10:04

Program	Night Priority	Science
02:48	Science
06:30	Idle due to weather (low trasnparency due to haze)
06:46	Science
07:25	Idle due to weather (low transpareny due to haze)
08:16	Science
08:55	Idle due to weather (low transparency due to haze)
10:06	Science
10:14	Idle due to weather (low transparency)

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
01:56	02:20	0.39	0.61	200	+3431	15.2	15.6	15.5	125	9	First of Night
05:27	05:53	0.39	0.62	200	+4927	13.0	13.6	13.6	155	8	Stack/Re-stack
11:20	11:25	0.64	0.96	157	+4951	14.1	14.4	14.4	187	22	Post-Observing

Problem Reports					no PRs

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
lrs20000019_02	dark	00:05	360			LRS2	cal							Yes
virus0000026_02	dark	00:05	360			VIRUS	cal							Yes
lrs20000019_03	dark	00:11	360			LRS2	cal							Yes
virus0000026_03	dark	00:12	360			VIRUS	cal							Yes
lrs20000001_01	skyflat	01:36	7			LRS2	cal							Yes
lrs20000002_01	skyflat	01:37	10			LRS2	cal							Yes
lrs20000003_01	skyflat	01:38	13			LRS2	cal							Yes
lrs20000004_01	skyflat	01:40	16			LRS2	cal							Yes
lrs20000005_01	skyflat	01:41	22			LRS2	cal							Yes
lrs20000006_01	skyflat	01:42	30			LRS2	cal							Yes
virus0000001_01	skyflat	01:45	7			VIRUS	cal							Yes
virus0000002_01	skyflat	01:46	10			VIRUS	cal							Yes
virus0000003_01	skyflat	01:48	14			VIRUS	cal							Yes
virus0000004_01	skyflat	01:49	18			VIRUS	cal							Yes
virus0000005_01	skyflat	01:50	26			VIRUS	cal							Yes
lrs20000007_01	HD55677_056_W	02:27	30	6.5		LRS2	spec	1.28	0.74	20.46	0.78			Yes
lrs20000008_01	HD55677_066_W	02:31	30	4.5		LRS2	spec	1.26	0.91	20.20	0.87			Yes
0001	test_drk_donotuse	02:34	10.7			HPF	cal							Yes
0002	HR2529_tell_std	02:37	117.2	5.0		HPF	telluric	1.39	0.72	20.00	0.97			Yes
0003	LFC Cal	02:41	106.5			HPF	cal							Yes
0004	LFC Cal	02:45	106.5			HPF	cal							Yes
virus0000006_01	parallel	02:45	2400			VIRUS	sci							Yes
lrs20000009_01	parallel	02:45	2400	6.0	PSU25-2-004	LRS2-B	sci	1.54	0.92	21.80	0.82			Yes
0005	LFC Cal	02:48	106.5			HPF	cal							Yes
0006	LFC Cal	02:50	106.5			HPF	cal							Yes
0007	LFC Cal	03:26	106.5			HPF	cal							Yes
virus0000007_01	parallel	03:30	1500			VIRUS	sci							Yes
lrs20000010_01	parallel	03:30	1500	5.0	PSU25-2-003	LRS2-B	sci	1.76	1.12	21.43	0.84			Yes
0008	LFC Cal	03:31	106.5			HPF	cal							Yes
0009	LFC Cal	03:33	106.5			HPF	cal							Yes
0010	LFC Cal	03:35	106.5			HPF	cal							Yes
0011	LFC Cal	03:57	106.5			HPF	cal							Yes
virus0000008_01	parallel	04:00	1984			VIRUS	sci							Yes
0012	parallel	04:01	617.7	5.7	UT25-2-013	HPF	sci	1.64	0.86	20.00	0.80	18		Yes
0013	parallel	04:12	617.7	0.7	UT25-2-013	HPF	sci	1.69	0.89	19.83	0.80	19		Yes
0014	parallel	04:23	617.7	1.7	UT25-2-013	HPF	sci	1.71	0.99	19.63	0.78	19		Yes
0016	LFC Cal	04:35	106.5			HPF	cal							Yes
0017	test_drk_donotuse	04:40	10.7			HPF	cal							Yes
0018	parallel	04:41	969.1	6.8	UT25-2-023	HPF	sci	1.62	0.67	19.25	0.68	46		P4
virus0000009_01	parallel	04:41	1023			VIRUS	sci							Yes
0019	LFC Cal	04:59	106.5			HPF	cal							Yes
0020	LFC Cal	05:04	106.5			HPF	cal							Yes
virus0000010_01	parallel	05:04	900			VIRUS	sci							Yes
lrs20000011_01	parallel	05:04	900	7.0	PSU25-2-003	LRS2-B	sci	1.71	0.81	19.76	0.71		sky brightened slightly beyond constraint after setup, please check data quality.	Yes
0021	LFC Cal	05:06	106.5			HPF	cal							Yes
0022	LFC Cal	05:09	106.5			HPF	cal							Yes
0023	LFC Cal	05:21	106.5			HPF	cal							Yes
0024	test_drk_donotuse	05:25	10.7			HPF	cal							Yes
0025	parallel	05:26	74.5	6.8	PSU25-2-005	HPF	sci	1.66	0.92	19.24	0.57	427		P4
0026	LFC Cal	05:54	106.5			HPF	cal							Yes
0027	test_drk_donotuse	05:58	10.7			HPF	cal							Yes
0028	parallel	05:59	915.9	5.7	G25-2-002	HPF	sci	1.29	0.83	18.47	0.55	40		Yes
virus0000011_01	parallel	05:59	1959			VIRUS	sci							Yes
0029	parallel	06:15	915.9	0.7	G25-2-002	HPF	sci	1.34	0.83	18.37	0.56	39		Yes
0030	LFC Cal	06:46	106.5			HPF	cal							Yes
0031	test_drk_donotuse	06:51	10.7			HPF	cal							Yes
virus0000012_01	parallel	06:51	2047			VIRUS	sci							Yes
0032	parallel	06:52	969.1	5.8	UT25-2-023	HPF	sci	1.37	1.04	18.40	0.74	47		Yes
0033	parallel	07:09	969.1	0.8	UT25-2-023	HPF	sci	1.43	0.92	18.61	0.85	50		Yes
0034	LFC Cal	07:27	106.5			HPF	cal							Yes
0035	test_drk_donotuse	07:32	10.7			HPF	cal							Yes
0036	parallel	07:32	969.1	7.8	PSU25-2-014	HPF	sci	1.36	0.80	19.05	0.64	252	drop in transparency in second image	No
virus0000013_01	parallel	07:32	2047			VIRUS	sci							Yes
0037	parallel	07:50	969.1	0.8	PSU25-2-014	HPF	sci	1.39	0.85	18.25	0.40	199		No
0038	LFC Cal	08:08	106.5			HPF	cal							Yes
0039	test_drk_donotuse	08:21	10.7			HPF	cal							Yes
0040	parallel	08:22	969.1	5.8	PSU25-2-015	HPF	sci	1.55	0.87	18.40	0.56	122		Yes
virus0000014_01	parallel	08:22	2047			VIRUS	sci							Yes
0041	parallel	08:39	969.1	0.8	PSU25-2-015	HPF	sci	1.61	0.98	18.32	0.50	116		Yes
0042	LFC Cal	08:57	106.5			HPF	cal							Yes
virus0000015_01	parallel	09:00	1800			VIRUS	sci							Yes
0043	LFC Cal	09:01	106.5			HPF	cal							Yes
0044	LFC Cal	09:03	106.5			HPF	cal							Yes
0045	LFC Cal	09:05	106.5			HPF	cal							Yes
lrs20000012_01	parallel	09:05	1800	5.0	M25-2-009	LRS2-R	sci	1.51	0.93	18.12	0.41		moon and heavy haze boost sky brightness beyond acceptable conditions	No
0046	LFC Cal	09:32	106.5			HPF	cal							Yes
0047	test_drk_donotuse	09:49	10.7			HPF	cal							Yes
0048	HR7372_tell_std	09:53	117.2	6.0		HPF	telluric	1.55	0.90	18.60	0.40			No
0049	test_drk_donotuse	10:09	10.7			HPF	cal							Yes
0050	parallel	10:13	74.5	6.8	PSU25-2-005	HPF	sci	1.56	0.99	18.47	0.59	465	tranparency conditions are variable, checkk data quality	P4
0051	LFC Cal	10:17	106.5			HPF	cal							Yes
0052	parallel	10:20	617.7	5.7	UT25-2-013	HPF	sci	1.67	1.01	18.73	0.48	24	low transparency	No
virus0000016_01	parallel	10:20	1984			VIRUS	sci							Yes
0053	parallel	10:31	617.7	0.7	UT25-2-013	HPF	sci	1.68	1.06	18.61	0.45	24		No
0054	parallel	10:42	617.7	0.7	UT25-2-013	HPF	sci	1.69	1.02	18.55	0.44	23		No
0055	LFC Cal	10:54	106.5			HPF	cal							Yes
lrs20000013_01	bias	11:20	0			LRS2	cal							Yes
virus0000017_01	bias	11:20	0			VIRUS	cal							Yes
virus0000018_01	Cd-A	11:25	15		ENG25-2-002	VIRUS	cal							Yes
virus0000019_01	Hg	11:26	15		ENG25-2-002	VIRUS	cal							Yes
0056	Dark	11:34	319.5			HPF	cal							Yes
0057	Quartz FCU	11:45	74.5			HPF	cal							Yes
0058	Quartz FCU	11:47	74.5			HPF	cal							Yes
0059	Quartz FCU	11:48	74.5			HPF	cal							Yes
0060	Quartz FCU	11:50	74.5			HPF	cal							Yes
0061	Quartz FCU	11:52	74.5			HPF	cal							Yes
0062	Quartz FCU	11:54	74.5			HPF	cal							Yes
0063	Quartz FCU	11:56	74.5			HPF	cal							Yes
0064	Alpha Bright Cal	11:58	85.2			HPF	cal							Yes
0065	Alpha Bright Cal	12:00	85.2			HPF	cal							Yes
0066	Alpha Bright Cal	12:02	85.2			HPF	cal							Yes
0067	Alpha Bright Cal	12:04	85.2			HPF	cal							Yes
0068	LFC FCU	12:06	106.5			HPF	cal							Yes
0069	LFC FCU	12:09	106.5			HPF	cal							Yes
0070	LFC FCU	12:11	106.5			HPF	cal							Yes
0071	LFC FCU	12:13	106.5			HPF	cal							Yes
0072	LFC FCU	12:16	106.5			HPF	cal							Yes
0073	LFC FCU	12:18	106.5			HPF	cal							Yes
0074	LFC Cal	12:21	106.5			HPF	cal							Yes
0075	LFC Cal	12:23	106.5			HPF	cal							Yes
0076	Etalon Cal	12:31	159.8			HPF	cal							Yes
0077	Etalon Cal	12:34	159.8			HPF	cal							Yes
0078	Etalon Cal	12:37	159.8			HPF	cal							Yes
0079	Etalon Cal	12:41	159.8			HPF	cal							Yes
0080	UNe Slave Cal	12:44	426			HPF	cal							Yes
0081	UNe Slave Cal	12:52	426			HPF	cal							Yes
0082	UNe Slave Cal	13:00	426			HPF	cal							Yes
0083	UNe Slave Cal	13:07	426			HPF	cal							Yes
0084	UNe Slave Cal	13:15	426			HPF	cal							Yes
0085	UNe Slave Cal	13:23	426			HPF	cal							Yes
0094	LFC Cal	21:28	106.5			HPF	cal							Yes
lrs20009900_01	bias	21:51	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	21:52	20			VIRUS	cal							Yes
virus0009901_01	bias	21:54	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	21:54	20			LRS2	cal							Yes
virus0009902_01	dark	21:56	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	21:57	38			LRS2	cal							Yes
lrs20009903_01	FeAr_R	21:58	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:00	15			LRS2	cal							Yes
0095	Dark	22:22	319.5			HPF	cal							Yes
0096	Quartz FCU	22:28	74.5			HPF	cal							Yes
0097	Quartz FCU	22:30	74.5			HPF	cal							Yes
0098	Quartz FCU	22:32	74.5			HPF	cal							Yes
0099	Quartz FCU	22:34	74.5			HPF	cal							Yes
0100	Quartz FCU	22:35	74.5			HPF	cal							Yes
0101	Quartz FCU	22:37	74.5			HPF	cal							Yes
0102	Quartz FCU	22:39	74.5			HPF	cal							Yes
0103	Alpha Bright Cal	22:41	85.2			HPF	cal							Yes
0104	Alpha Bright Cal	22:43	85.2			HPF	cal							Yes
0105	Alpha Bright Cal	22:45	85.2			HPF	cal							Yes
0106	Alpha Bright Cal	22:47	85.2			HPF	cal							Yes
0107	LFC FCU	22:50	106.5			HPF	cal							Yes
0108	LFC FCU	22:52	106.5			HPF	cal							Yes
0109	LFC Cal	22:55	106.5			HPF	cal							Yes
0110	LFC Cal	22:57	106.5			HPF	cal							Yes
0111	Etalon Cal	23:00	159.8			HPF	cal							Yes
0112	UNe Slave Cal	23:03	426			HPF	cal							Yes
lrs20000012_01	flat_Qth_R	23:04	15			LRS2	cal							Yes
lrs20000012_02	flat_Qth_R	23:05	15			LRS2	cal							Yes
lrs20000012_03	flat_Qth_R	23:07	15			LRS2	cal							Yes
lrs20000012_04	flat_Qth_R	23:08	15			LRS2	cal							Yes
lrs20000012_05	flat_Qth_R	23:09	15			LRS2	cal							Yes
lrs20000013_01	flat_ldls_long_B	23:10	20			LRS2	cal							Yes
0113	UNe Slave Cal	23:11	426			HPF	cal							Yes
lrs20000013_02	flat_ldls_long_B	23:12	20			LRS2	cal							Yes
lrs20000013_03	flat_ldls_long_B	23:13	20			LRS2	cal							Yes
lrs20000014_01	Cd-A_B	23:14	38			LRS2	cal							Yes
lrs20000014_02	Cd-A_B	23:16	38			LRS2	cal							Yes
lrs20000014_03	Cd-A_B	23:18	38			LRS2	cal							Yes
0114	UNe Slave Cal	23:19	426			HPF	cal							Yes
lrs20000015_01	FeAr_R	23:19	15			LRS2	cal							Yes
lrs20000015_02	FeAr_R	23:20	15			LRS2	cal							Yes
lrs20000015_03	FeAr_R	23:22	15			LRS2	cal							Yes
lrs20000016_01	Hg_R	23:23	20			LRS2	cal							Yes
lrs20000016_02	Hg_R	23:24	20			LRS2	cal							Yes
lrs20000016_03	Hg_R	23:26	20			LRS2	cal							Yes
0115	UNe Slave Cal	23:27	426			HPF	cal							Yes
lrs20000017_01	Hg_B	23:27	15			LRS2	cal							Yes
lrs20000017_02	Hg_B	23:28	15			LRS2	cal							Yes
lrs20000017_03	Hg_B	23:29	15			LRS2	cal							Yes
0116	UNe Slave Cal	23:34	426			HPF	cal							Yes
virus0000022_01	flat_ldls_long	23:36	15			VIRUS	cal							Yes
virus0000022_02	flat_ldls_long	23:37	15			VIRUS	cal							Yes
virus0000022_03	flat_ldls_long	23:39	15			VIRUS	cal							Yes
virus0000023_01	Cd-A	23:40	15			VIRUS	cal							Yes
virus0000023_02	Cd-A	23:41	15			VIRUS	cal							Yes
0117	UNe Slave Cal	23:42	426			HPF	cal							Yes
virus0000023_03	Cd-A	23:43	15			VIRUS	cal							Yes
virus0000024_01	Hg	23:44	15			VIRUS	cal							Yes
virus0000024_02	Hg	23:46	15			VIRUS	cal							Yes
virus0000024_03	Hg	23:47	15			VIRUS	cal							Yes
lrs20000018_01	bias	23:49	0			LRS2	cal							Yes
virus0000025_01	bias	23:49	0			VIRUS	cal							Yes
lrs20000018_02	bias	23:49	0			LRS2	cal							Yes
virus0000025_02	bias	23:49	0			VIRUS	cal							Yes
lrs20000018_03	bias	23:50	0			LRS2	cal							Yes
virus0000025_03	bias	23:50	0			VIRUS	cal							Yes
lrs20000018_04	bias	23:51	0			LRS2	cal							Yes
virus0000025_04	bias	23:51	0			VIRUS	cal							Yes
lrs20000018_05	bias	23:52	0			LRS2	cal							Yes
virus0000025_05	bias	23:52	0			VIRUS	cal							Yes
lrs20000018_06	bias	23:53	0			LRS2	cal							Yes
virus0000025_06	bias	23:53	0			VIRUS	cal							Yes
lrs20000018_07	bias	23:53	0			LRS2	cal							Yes
lrs20000018_08	bias	23:54	0			LRS2	cal							Yes
virus0000025_07	bias	23:54	0			VIRUS	cal							Yes
virus0000025_08	bias	23:55	0			VIRUS	cal							Yes
lrs20000018_09	bias	23:55	0			LRS2	cal							Yes
virus0000025_09	bias	23:56	0			VIRUS	cal							Yes
lrs20000018_10	bias	23:56	0			LRS2	cal							Yes
virus0000025_10	bias	23:56	0			VIRUS	cal							Yes
lrs20000018_11	bias	23:57	0			LRS2	cal							Yes
virus0000025_11	bias	23:57	0			VIRUS	cal							Yes
lrs20000019_01	dark	23:58	360			LRS2	cal							Yes
virus0000026_01	dark	23:58	360			VIRUS	cal							Yes