HET Night Report Reader

Civil Date	Ephemerides
2025-04-01	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:22	02:08	02:37	11:22	11:51	12:37	-	05:38
Night Length	8:45		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
01:13	20.9	18.8	04:15	dust	03:02
07:47	16.3	18.7	11:52	dust	04:05
Total Time Open					7:07

Program	Night Priority	Science
02:37	Science
02:48	Idle due to weather (clouds or haze cause low transparency)
04:00	Science
04:07	Idle due to weather (clouds)
07:50	Science
10:34	Idle due to weather (bad drop in seeing quality)

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
01:50	02:36	0.51	0.76	207	2649	20.5	19.9	19.6	250	19	First of Night
08:35	08:47	1.20	1.90	342	3777	15.1	16.4	16.9	259	18	Post-Observing
08:47	09:20	0.46	0.69	192	4669	14.5	15.4	15.9	261	17	Stack/Re-stack

Problem Reports
PR Number	Times	Time Lost	Description	Response
6456	08:37-08:37	00:00	Segment 6:2 oscillating on and off thru the night. Tip/Tilt scale hanging around 0.4-0.5 at times.

TO Comments	Dusty and windy with a large temperature drop.

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	01:27	7			LRS2	cal							Yes
lrs20000002_01	skyflat	01:28	10			LRS2	cal							Yes
lrs20000003_01	skyflat	01:29	13			LRS2	cal							Yes
lrs20000004_01	skyflat	01:30	16			LRS2	cal							Yes
lrs20000005_01	skyflat	01:31	22			LRS2	cal							Yes
lrs20000006_01	skyflat	01:33	30			LRS2	cal							Yes
virus0000001_01	skyflat	01:35	7			VIRUS	cal							Yes
virus0000002_01	skyflat	01:37	10			VIRUS	cal							Yes
virus0000003_01	skyflat	01:38	14			VIRUS	cal							Yes
virus0000004_01	skyflat	01:39	18			VIRUS	cal							Yes
virus0000005_01	skyflat	01:41	26			VIRUS	cal							Yes
virus0000006_01	GD71_034_W	02:43	60	7.0		VIRUS	spec	2.03		20.38	0.63			Yes
virus0000006_02	GD71_034_W	02:45	60	1.0		VIRUS	spec	1.88		20.49	0.70			Yes
virus0000006_03	GD71_034_W	02:47	60	1.0		VIRUS	spec	1.80		20.15	0.52			Yes
0001	test_drk_donotuse	02:51	10.7			HPF	cal							Yes
0002	QID 1616	02:58	969.1	9.8	PSU25-2-009	HPF	sci	1.89		20.03	0.30	42	large transparency drop after start of first image	No
virus0000007_01	parallel	02:58	2047			VIRUS	sci							Yes
0003	LFC Cal	03:16	106.5			HPF	cal							Yes
0004	test_drk_donotuse	04:01	10.7			HPF	cal							Yes
0005	HR4356_tell_std	04:05	117.2	5.0		HPF	telluric	1.73		19.93	0.19			Yes
0006	LFC Cal	05:23	106.5			HPF	cal							Yes
0007	LFC Cal	05:25	106.5			HPF	cal							Yes
0008	LFC Cal	05:28	106.5			HPF	cal							Yes
0009	test_drk_donotuse	07:49	10.7			HPF	cal							Yes
0010	QID 204	07:54	74.5	3.8	PSU25-2-005	HPF	sci	2.43		20.41	0.72	298		Yes
0011	LFC Cal	08:06	106.5			HPF	cal							Yes
virus0000008_01	parallel	08:06	1800			VIRUS	sci							Yes
lrs20000007_01	QID 89	08:06	1800	10.0	PSU25-2-004	LRS2-B	sci	2.78		22.22	0.70			Yes
0012	LFC Cal	08:08	106.5			HPF	cal							Yes
0013	LFC Cal	08:11	106.5			HPF	cal							Yes
lrs20000008_01	BD+601753_056_E	09:26	30	5.5		LRS2	spec	2.10		21.98	0.82			Yes
lrs20000009_01	BD+601753_066_E	09:31	30	4.5		LRS2	spec	1.94		20.91	0.92			Yes
0014	test_drk_donotuse	09:36	10.7			HPF	cal							Yes
0015	QID 1512	09:37	969.1	5.8	PSU25-2-015	HPF	sci	1.91		20.20	0.84	127		Yes
virus0000009_01	parallel	09:37	2047			VIRUS	sci							Yes
0016	QID 1512	09:54	969.1	1.8	PSU25-2-015	HPF	sci	1.82		20.20	0.88	127		Yes
0017	LFC Cal	10:12	106.5			HPF	cal							Yes
0018	LFC Cal	10:15	106.5			HPF	cal							Yes
0019	test_drk_donotuse	10:17	10.7			HPF	cal							Yes
0020	QID 1643	10:18	969.1	6.8	PSU25-2-008	HPF	sci	2.17		20.14	0.86	16		Yes
virus0000010_01	parallel	10:18	1023			VIRUS	sci							Yes
0021	LFC Cal	10:36	106.5			HPF	cal							Yes
0022	LFC Cal	10:40	106.5			HPF	cal							Yes
virus0000011_01	parallel	10:40	1800			VIRUS	sci							Yes
lrs20000010_01	QID 1408	10:40	1800	6.0	M25-2-009	LRS2-R	sci	2.39		20.90	1.00		seeing degrades at end of night	No
0023	LFC Cal	10:43	106.5			HPF	cal							Yes
0024	LFC Cal	10:45	106.5			HPF	cal							Yes
0025	LFC Cal	11:11	106.5			HPF	cal							Yes
0026	LFC Cal	11:15	106.5			HPF	cal							Yes
virus0000012_01	parallel	11:15	1800			VIRUS	sci							Yes
lrs20000011_01	QID 1410	11:15	1800	5.0	M25-2-009	LRS2-R	sci	2.40		20.75	0.90		seeing degrades at end of night	No
0027	LFC Cal	11:17	106.5			HPF	cal							Yes
0028	LFC Cal	11:19	106.5			HPF	cal							Yes
lrs20000012_01	bias	11:52	0			LRS2	cal							Yes
virus0000013_01	bias	11:52	0			VIRUS	cal							Yes
virus0000014_01	Cd-A	11:57	15		ENG25-2-002	VIRUS	cal							Yes
virus0000015_01	Hg	11:58	15		ENG25-2-002	VIRUS	cal							Yes
0029	Dark	12:06	319.5			HPF	cal							Yes
0030	Quartz FCU	12:18	74.5			HPF	cal							Yes
0031	Quartz FCU	12:20	74.5			HPF	cal							Yes
0032	Quartz FCU	12:22	74.5			HPF	cal							Yes
0033	Quartz FCU	12:23	74.5			HPF	cal							Yes
0034	Quartz FCU	12:25	74.5			HPF	cal							Yes
0035	Quartz FCU	12:27	74.5			HPF	cal							Yes
0036	Quartz FCU	12:29	74.5			HPF	cal							Yes
0037	Alpha Bright Cal	12:31	85.2			HPF	cal							Yes
0038	Alpha Bright Cal	12:33	85.2			HPF	cal							Yes
0039	Alpha Bright Cal	12:35	85.2			HPF	cal							Yes
0040	Alpha Bright Cal	12:37	85.2			HPF	cal							Yes
0041	LFC FCU	12:39	106.5			HPF	cal							Yes
0042	LFC FCU	12:42	106.5			HPF	cal							Yes
0043	LFC FCU	12:44	106.5			HPF	cal							Yes
0044	LFC FCU	12:46	106.5			HPF	cal							Yes
0045	LFC FCU	12:49	106.5			HPF	cal							Yes
0046	LFC FCU	12:51	106.5			HPF	cal							Yes
0047	LFC Cal	12:54	106.5			HPF	cal							Yes
0048	LFC Cal	12:56	106.5			HPF	cal							Yes
0049	Etalon Cal	13:04	159.8			HPF	cal							Yes
0050	Etalon Cal	13:07	159.8			HPF	cal							Yes
0051	Etalon Cal	13:10	159.8			HPF	cal							Yes
0052	Etalon Cal	13:14	159.8			HPF	cal							Yes
0053	UNe Slave Cal	13:17	426			HPF	cal							Yes
0054	UNe Slave Cal	13:25	426			HPF	cal							Yes
0055	UNe Slave Cal	13:33	426			HPF	cal							Yes
0056	UNe Slave Cal	13:40	426			HPF	cal							Yes
0057	UNe Slave Cal	13:48	426			HPF	cal							Yes
0058	UNe Slave Cal	13:56	426			HPF	cal							Yes
0081	LFC Cal	21:45	106.5			HPF	cal							Yes
lrs20009900_01	bias	21:57	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	21:57	20			VIRUS	cal							Yes
virus0009901_01	bias	21:59	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	21:59	20			LRS2	cal							Yes
virus0009902_01	dark	22:01	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:02	38			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:03	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:05	15			LRS2	cal							Yes
0082	Dark	22:07	319.5			HPF	cal							Yes
0083	Quartz FCU	22:14	74.5			HPF	cal							Yes
0084	Quartz FCU	22:16	74.5			HPF	cal							Yes
0085	Quartz FCU	22:17	74.5			HPF	cal							Yes
0086	Quartz FCU	22:19	74.5			HPF	cal							Yes
0087	Quartz FCU	22:21	74.5			HPF	cal							Yes
0088	Quartz FCU	22:23	74.5			HPF	cal							Yes
0089	Quartz FCU	22:25	74.5			HPF	cal							Yes
0090	Alpha Bright Cal	22:27	85.2			HPF	cal							Yes
0091	Alpha Bright Cal	22:29	85.2			HPF	cal							Yes
0092	Alpha Bright Cal	22:31	85.2			HPF	cal							Yes
0093	Alpha Bright Cal	22:33	85.2			HPF	cal							Yes
0094	LFC FCU	22:35	106.5			HPF	cal							Yes
0095	LFC FCU	22:38	106.5			HPF	cal							Yes
0096	LFC Cal	22:40	106.5			HPF	cal							Yes
0097	LFC Cal	22:43	106.5			HPF	cal							Yes
0098	Etalon Cal	22:45	159.8			HPF	cal							Yes
0099	UNe Slave Cal	22:49	426			HPF	cal							Yes
lrs20000012_01	flat_Qth_R	22:50	15			LRS2	cal							Yes
lrs20000012_02	flat_Qth_R	22:51	15			LRS2	cal							Yes
lrs20000012_03	flat_Qth_R	22:53	15			LRS2	cal							Yes
lrs20000012_04	flat_Qth_R	22:54	15			LRS2	cal							Yes
lrs20000012_05	flat_Qth_R	22:55	15			LRS2	cal							Yes
lrs20000013_01	flat_ldls_long_B	22:56	20			LRS2	cal							Yes
0100	UNe Slave Cal	22:57	426			HPF	cal							Yes
lrs20000013_02	flat_ldls_long_B	22:58	20			LRS2	cal							Yes
lrs20000013_03	flat_ldls_long_B	22:59	20			LRS2	cal							Yes
lrs20000014_01	Cd-A_B	23:00	38			LRS2	cal							Yes
lrs20000014_02	Cd-A_B	23:02	38			LRS2	cal							Yes
0101	UNe Slave Cal	23:04	426			HPF	cal							Yes
lrs20000014_03	Cd-A_B	23:04	38			LRS2	cal							Yes
lrs20000015_01	FeAr_R	23:05	15			LRS2	cal							Yes
lrs20000015_02	FeAr_R	23:06	15			LRS2	cal							Yes
lrs20000015_03	FeAr_R	23:08	15			LRS2	cal							Yes
lrs20000016_01	Hg_R	23:09	20			LRS2	cal							Yes
lrs20000016_02	Hg_R	23:10	20			LRS2	cal							Yes
lrs20000016_03	Hg_R	23:11	20			LRS2	cal							Yes
0102	UNe Slave Cal	23:12	426			HPF	cal							Yes
lrs20000017_01	Hg_B	23:13	15			LRS2	cal							Yes
lrs20000017_02	Hg_B	23:14	15			LRS2	cal							Yes
lrs20000017_03	Hg_B	23:15	15			LRS2	cal							Yes
0103	UNe Slave Cal	23:20	426			HPF	cal							Yes
virus0000020_01	flat_ldls_long	23:22	15			VIRUS	cal							Yes
virus0000020_02	flat_ldls_long	23:23	15			VIRUS	cal							Yes
virus0000020_03	flat_ldls_long	23:25	15			VIRUS	cal							Yes
virus0000021_01	Cd-A	23:26	15			VIRUS	cal							Yes
virus0000021_02	Cd-A	23:27	15			VIRUS	cal							Yes
0104	UNe Slave Cal	23:28	426			HPF	cal							Yes
virus0000021_03	Cd-A	23:29	15			VIRUS	cal							Yes
virus0000022_01	Hg	23:30	15			VIRUS	cal							Yes
virus0000022_02	Hg	23:32	15			VIRUS	cal							Yes
virus0000022_03	Hg	23:33	15			VIRUS	cal							Yes
lrs20000018_01	bias	23:34	0			LRS2	cal							Yes
virus0000023_01	bias	23:34	0			VIRUS	cal							Yes
lrs20000018_02	bias	23:35	0			LRS2	cal							Yes
virus0000023_02	bias	23:35	0			VIRUS	cal							Yes
lrs20000018_03	bias	23:36	0			LRS2	cal							Yes
virus0000023_03	bias	23:36	0			VIRUS	cal							Yes
lrs20000018_04	bias	23:37	0			LRS2	cal							Yes
virus0000023_04	bias	23:37	0			VIRUS	cal							Yes
lrs20000018_05	bias	23:38	0			LRS2	cal							Yes
virus0000023_05	bias	23:38	0			VIRUS	cal							Yes
lrs20000018_06	bias	23:38	0			LRS2	cal							Yes
virus0000023_06	bias	23:39	0			VIRUS	cal							Yes
lrs20000018_07	bias	23:39	0			LRS2	cal							Yes
virus0000023_07	bias	23:40	0			VIRUS	cal							Yes
lrs20000018_08	bias	23:40	0			LRS2	cal							Yes
virus0000023_08	bias	23:41	0			VIRUS	cal							Yes
lrs20000018_09	bias	23:41	0			LRS2	cal							Yes
virus0000023_09	bias	23:41	0			VIRUS	cal							Yes
lrs20000018_10	bias	23:42	0			LRS2	cal							Yes
virus0000023_10	bias	23:42	0			VIRUS	cal							Yes
lrs20000018_11	bias	23:43	0			LRS2	cal							Yes
virus0000023_11	bias	23:43	0			VIRUS	cal							Yes
lrs20000019_01	dark	23:44	360			LRS2	cal							Yes
virus0000024_01	dark	23:44	360			VIRUS	cal							Yes
lrs20000019_02	dark	23:51	360			LRS2	cal							Yes
virus0000024_02	dark	23:51	360			VIRUS	cal							Yes
lrs20000019_03	dark	23:57	360			LRS2	cal							Yes
virus0000024_03	dark	23:58	360			VIRUS	cal							Yes