HET Night Report Reader

Civil Date	Ephemerides
2025-05-27	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:59	02:52	03:27	10:20	10:55	11:47	-	03:14
Night Length	6:53		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator
Amy Ray	Amy Westfall

Overlaps
TO Overlap	RA Overlap
Cassie Crowe	-

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
03:24	14.5	16.1	08:21	dew point	04:57
09:11	10.9	12.0		--	n/a
Total Time Open					4:57

Program	Night Priority	Science
03:27	Idle due to weather (Radar)
03:30	Science
06:16	Idle due to weather (Poor IQ)
07:29	Science
07:34	Idle due to weather (Poor IQ/Dew Point)
09:15	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
03:30	04:11	0.48	0.72	200	+4566	13.4	14.5	15.0	136	16	First of Night
09:15	09:37	0.44	0.66	185	+6123	10.7	11.4	11.6	79	14	Stack/Re-stack

Problem Reports
PR Number	Times	Time Lost	Description	Response
6488	05:29-05:39	00:10	AZ Motor control 2 fault -- time lost probably in error	Once we had manually commanded the structure to set down and there was no need for further structure motion for that observation, we could have run go_next again and it would have completed without structure motion. A power cycle was not needed prior to this observation. For future reference.
6488	06:40-06:40, 07:40 - 07:40	00:00	AZ Motor control 2 fault -- recorded times are when I noticed the error displayed on the structure computer and performed the necessary power cycle in the UER. No time lost for these.

TO Comments	Closed for radar signature in county early in night, then for dewpoint later in night. Some poor seeing when temperature dropped.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
lrs20000029_08	bias	00:00	0			LRS2	cal							Yes
lrs20000029_09	bias	00:00	0			LRS2	cal							Yes
virus0000028_08	bias	00:00	0			VIRUS	cal							Yes
virus0000028_09	bias	00:01	0			VIRUS	cal							Yes
lrs20000029_10	bias	00:01	0			LRS2	cal							Yes
virus0000028_10	bias	00:02	0			VIRUS	cal							Yes
lrs20000029_11	bias	00:02	0			LRS2	cal							Yes
virus0000028_11	bias	00:03	0			VIRUS	cal							Yes
lrs20000030_01	dark	00:03	360			LRS2	cal							Yes
virus0000029_01	dark	00:03	360			VIRUS	cal							Yes
lrs20000030_02	dark	00:10	360			LRS2	cal							Yes
virus0000029_02	dark	00:10	360			VIRUS	cal							Yes
lrs20000030_03	dark	00:17	360			LRS2	cal							Yes
virus0000029_03	dark	00:17	360			VIRUS	cal							Yes
0001	LFC Cal	02:53	106.5			HPF	cal							Yes
0002	LFC Cal	02:55	106.5			HPF	cal							Yes
0003	LFC Cal	02:58	106.5			HPF	cal							Yes
0004	LFC Cal	03:53	106.5			HPF	cal							Yes
0005	LFC Cal	03:55	106.5			HPF	cal							Yes
0006	LFC Cal	03:57	106.5			HPF	cal							Yes
0007	LFC Cal	04:11	106.5			HPF	cal							Yes
0008	test_drk_donotuse	04:17	10.7			HPF	cal							Yes
0009	parallel	04:18	969.1	6.8	UT25-2-008	HPF	sci	2.05		20.09	0.90	189		Yes
virus0000001_01	parallel	04:18	2047			VIRUS	sci							Yes
0010	parallel	04:35	969.1	0.8	UT25-2-008	HPF	sci	2.12		20.04	0.83	154		Yes
0011	LFC Cal	04:53	106.5			HPF	cal							Yes
0012	LFC Cal	04:58	106.5			HPF	cal							Yes
virus0000002_01	parallel	04:58	1800			VIRUS	sci							Yes
lrs20000001_01	parallel	04:58	1800	7.0	UT25-2-003	LRS2-B	sci	2.14		21.76	0.76			Yes
0013	LFC Cal	05:00	106.5			HPF	cal							Yes
0014	LFC Cal	05:02	106.5			HPF	cal							Yes
0015	LFC Cal	05:29	106.5			HPF	cal							Yes
0016	LFC Cal	05:40	106.5			HPF	cal							Yes
0017	test_drk_donotuse	05:44	10.7			HPF	cal							Yes
virus0000003_01	parallel	05:44	1959			VIRUS	sci							Yes
0018	parallel	05:45	915.9	4.7	G25-2-002	HPF	sci	2.00		20.40	0.74	28		Yes
0019	parallel	06:01	915.9	0.7	G25-2-002	HPF	sci	2.10	1.42	20.31	0.74	28		Yes
0020	LFC Cal	06:18	106.5			HPF	cal							Yes
0021	LFC Cal	06:24	106.5			HPF	cal							Yes
virus0000004_01	parallel	06:24	1000			VIRUS	sci							Yes
lrs20000002_01	parallel	06:24	1000	8.3	UT25-2-005	LRS2-B	sci	3.01	2.00	21.88	0.59		Seeing degraded in the first exposure and continued into second.	No
0022	LFC Cal	06:26	106.5			HPF	cal							Yes
0023	LFC Cal	06:29	106.5			HPF	cal							Yes
virus0000004_02	parallel	06:42	1000			VIRUS	sci							Yes
lrs20000002_02	parallel	06:42	1000	0.3	UT25-2-005	LRS2-B	sci	3.46		21.85	0.61			No
lrs20000003_01	1812095_056_E	07:32	120	3.0		LRS2	spec	3.61		22.31	0.87			Yes
0024	LFC Cal	07:54	106.5			HPF	cal							Yes
0025	LFC Cal	07:56	106.5			HPF	cal							Yes
0026	LFC Cal	07:59	106.5			HPF	cal							Yes
0027	LFC Cal	08:53	106.5			HPF	cal							Yes
0028	LFC Cal	08:55	106.5			HPF	cal							Yes
0029	LFC Cal	08:58	106.5			HPF	cal							Yes
0030	LFC Cal	09:42	106.5			HPF	cal							Yes
virus0000005_01	parallel	09:42	300			VIRUS	sci							Yes
lrs20000004_01	parallel	09:42	300	5.0	PSU25-2-007	LRS2-R	sci	2.38		20.78	0.91			P4
0031	LFC Cal	09:44	106.5			HPF	cal							Yes
0032	LFC Cal	09:48	106.5			HPF	cal							Yes
0033	test_drk_donotuse	09:52	10.7			HPF	cal							Yes
0034	parallel	09:53	969.1	5.8	UT25-2-023	HPF	sci	2.06		20.00	0.88	32		Yes
virus0000006_01	parallel	09:53	2047			VIRUS	sci							Yes
0035	parallel	10:10	969.1	1.8	UT25-2-023	HPF	sci	2.03		19.95	0.89	29		Yes
lrs20000005_01	BD+174708_066_E	10:33	30	5.5		LRS2	spec	2.16		20.76	1.00			Yes
0036	test_drk_donotuse	10:37	10.7			HPF	cal							Yes
virus0000007_01	parallel	10:38	1060			VIRUS	sci							Yes
0037	parallel	10:39	308.9	5.9	UT25-2-023	HPF	sci	1.86		19.84	0.89	418		P4
0038	parallel	10:45	308.9	0.9	UT25-2-023	HPF	sci	1.92		19.71	0.87	399		P4
0039	parallel	10:50	308.9	0.9	UT25-2-023	HPF	sci	1.55		19.49	0.87	501		P4
0040	test_drk_donotuse	10:59	10.7			HPF	cal							Yes
0041	parallel	11:01	74.5	4.8	PSU25-2-005	HPF	sci	1.96		18.73	1.04	324		P4
lrs20000006_01	bias	11:04	0			LRS2	cal							Yes
virus0000008_01	bias	11:04	0			VIRUS	cal							Yes
virus0000009_01	Cd-A	11:08	15		ENG25-2-002	VIRUS	cal							Yes
virus0000010_01	Hg	11:10	15		ENG25-2-002	VIRUS	cal							Yes
virus0000011_01	skyflat	11:24	25			VIRUS	cal							Yes
virus0000012_01	skyflat	11:26	18			VIRUS	cal							Yes
virus0000013_01	skyflat	11:27	15			VIRUS	cal							Yes
lrs20000007_01	skyflat	11:35	30			LRS2	cal							Yes
lrs20000008_01	skyflat	11:36	20			LRS2	cal							Yes
lrs20000009_01	skyflat	11:37	15			LRS2	cal							Yes
0042	Dark	11:41	319.5			HPF	cal							Yes
0043	Quartz FCU	11:53	74.5			HPF	cal							Yes
0044	Quartz FCU	11:55	74.5			HPF	cal							Yes
0045	Quartz FCU	11:56	74.5			HPF	cal							Yes
0046	Quartz FCU	11:58	74.5			HPF	cal							Yes
0047	Quartz FCU	12:00	74.5			HPF	cal							Yes
0048	Quartz FCU	12:02	74.5			HPF	cal							Yes
0049	Quartz FCU	12:04	74.5			HPF	cal							Yes
0050	Alpha Bright Cal	12:06	85.2			HPF	cal							Yes
0051	Alpha Bright Cal	12:08	85.2			HPF	cal							Yes
0052	Alpha Bright Cal	12:10	85.2			HPF	cal							Yes
0053	Alpha Bright Cal	12:12	85.2			HPF	cal							Yes
0054	LFC FCU	12:14	106.5			HPF	cal							Yes
0055	LFC FCU	12:17	106.5			HPF	cal							Yes
0056	LFC FCU	12:19	106.5			HPF	cal							Yes
0057	LFC FCU	12:21	106.5			HPF	cal							Yes
0058	LFC FCU	12:24	106.5			HPF	cal							Yes
0059	LFC FCU	12:26	106.5			HPF	cal							Yes
0060	LFC Cal	12:29	106.5			HPF	cal							Yes
0061	LFC Cal	12:31	106.5			HPF	cal							Yes
0062	Etalon Cal	12:39	159.8			HPF	cal							Yes
0063	Etalon Cal	12:42	159.8			HPF	cal							Yes
0064	Etalon Cal	12:45	159.8			HPF	cal							Yes
0065	Etalon Cal	12:49	159.8			HPF	cal							Yes
0066	UNe Slave Cal	12:52	426			HPF	cal							Yes
0067	UNe Slave Cal	13:00	426			HPF	cal							Yes
0068	UNe Slave Cal	13:08	426			HPF	cal							Yes
0069	UNe Slave Cal	13:15	426			HPF	cal							Yes
0070	UNe Slave Cal	13:23	426			HPF	cal							Yes
0071	UNe Slave Cal	13:31	426			HPF	cal							Yes
0107	LFC Cal	21:54	106.5			HPF	cal							Yes
0108	LFC Cal	21:59	106.5			HPF	cal							Yes
lrs20009918_01	bias	22:14	0			LRS2	cal							Yes
virus0009914_01	flat_Qth	22:15	20			VIRUS	cal							Yes
virus0009915_01	bias	22:16	0			VIRUS	cal							Yes
lrs20009919_01	flat_ldls_long_B	22:17	20			LRS2	cal							Yes
virus0009916_01	dark	22:18	15			VIRUS	cal							Yes
lrs20009920_01	Cd-A_B	22:19	38			LRS2	cal							Yes
lrs20009921_01	FeAr_R	22:21	15			LRS2	cal							Yes
lrs20009922_01	Hg_B	22:22	15			LRS2	cal							Yes
0109	Dark	22:27	319.5			HPF	cal							Yes
0110	Quartz FCU	22:33	74.5			HPF	cal							Yes
0111	Quartz FCU	22:35	74.5			HPF	cal							Yes
0112	Quartz FCU	22:37	74.5			HPF	cal							Yes
0113	Quartz FCU	22:39	74.5			HPF	cal							Yes
0114	Quartz FCU	22:40	74.5			HPF	cal							Yes
0115	Quartz FCU	22:42	74.5			HPF	cal							Yes
0116	Quartz FCU	22:44	74.5			HPF	cal							Yes
0117	Alpha Bright Cal	22:46	85.2			HPF	cal							Yes
0118	Alpha Bright Cal	22:48	85.2			HPF	cal							Yes
0119	Alpha Bright Cal	22:50	85.2			HPF	cal							Yes
0120	Alpha Bright Cal	22:52	85.2			HPF	cal							Yes
0121	LFC FCU	22:55	106.5			HPF	cal							Yes
0122	LFC FCU	22:57	106.5			HPF	cal							Yes
0123	LFC Cal	23:00	106.5			HPF	cal							Yes
0124	LFC Cal	23:02	106.5			HPF	cal							Yes
0125	Etalon Cal	23:05	159.8			HPF	cal							Yes
0126	UNe Slave Cal	23:08	426			HPF	cal							Yes
lrs20000023_01	flat_Qth_R	23:09	15			LRS2	cal							Yes
lrs20000023_02	flat_Qth_R	23:10	15			LRS2	cal							Yes
lrs20000023_03	flat_Qth_R	23:12	15			LRS2	cal							Yes
lrs20000023_04	flat_Qth_R	23:13	15			LRS2	cal							Yes
lrs20000023_05	flat_Qth_R	23:14	15			LRS2	cal							Yes
lrs20000024_01	flat_ldls_long_B	23:15	20			LRS2	cal							Yes
0127	UNe Slave Cal	23:16	426			HPF	cal							Yes
lrs20000024_02	flat_ldls_long_B	23:17	20			LRS2	cal							Yes
lrs20000024_03	flat_ldls_long_B	23:18	20			LRS2	cal							Yes
lrs20000025_01	Cd-A_B	23:19	38			LRS2	cal							Yes
lrs20000025_02	Cd-A_B	23:21	38			LRS2	cal							Yes
lrs20000025_03	Cd-A_B	23:23	38			LRS2	cal							Yes
0128	UNe Slave Cal	23:24	426			HPF	cal							Yes
lrs20000026_01	FeAr_R	23:24	15			LRS2	cal							Yes
lrs20000026_02	FeAr_R	23:25	15			LRS2	cal							Yes
lrs20000026_03	FeAr_R	23:27	15			LRS2	cal							Yes
lrs20000027_01	Hg_R	23:28	20			LRS2	cal							Yes
lrs20000027_02	Hg_R	23:29	20			LRS2	cal							Yes
lrs20000027_03	Hg_R	23:31	20			LRS2	cal							Yes
0129	UNe Slave Cal	23:32	426			HPF	cal							Yes
lrs20000028_01	Hg_B	23:32	15			LRS2	cal							Yes
lrs20000028_02	Hg_B	23:33	15			LRS2	cal							Yes
lrs20000028_03	Hg_B	23:34	15			LRS2	cal							Yes
0130	UNe Slave Cal	23:39	426			HPF	cal							Yes
virus0000025_01	flat_ldls_long	23:41	15			VIRUS	cal							Yes
virus0000025_02	flat_ldls_long	23:42	15			VIRUS	cal							Yes
virus0000025_03	flat_ldls_long	23:44	15			VIRUS	cal							Yes
virus0000026_01	Cd-A	23:45	15			VIRUS	cal							Yes
0131	UNe Slave Cal	23:47	426			HPF	cal							Yes
virus0000026_02	Cd-A	23:47	15			VIRUS	cal							Yes
virus0000026_03	Cd-A	23:48	15			VIRUS	cal							Yes
virus0000027_01	Hg	23:49	15			VIRUS	cal							Yes
virus0000027_02	Hg	23:51	15			VIRUS	cal							Yes
virus0000027_03	Hg	23:52	15			VIRUS	cal							Yes
lrs20000029_01	bias	23:54	0			LRS2	cal							Yes
virus0000028_01	bias	23:54	0			VIRUS	cal							Yes
lrs20000029_02	bias	23:54	0			LRS2	cal							Yes
virus0000028_02	bias	23:55	0			VIRUS	cal							Yes
lrs20000029_03	bias	23:55	0			LRS2	cal							Yes
virus0000028_03	bias	23:55	0			VIRUS	cal							Yes
lrs20000029_04	bias	23:56	0			LRS2	cal							Yes
virus0000028_04	bias	23:56	0			VIRUS	cal							Yes
lrs20000029_05	bias	23:57	0			LRS2	cal							Yes
virus0000028_05	bias	23:57	0			VIRUS	cal							Yes
lrs20000029_06	bias	23:58	0			LRS2	cal							Yes
virus0000028_06	bias	23:58	0			VIRUS	cal							Yes
lrs20000029_07	bias	23:59	0			LRS2	cal							Yes
virus0000028_07	bias	23:59	0			VIRUS	cal							Yes