HET Night Report Reader

Civil Date	Ephemerides
2025-05-26	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:59	02:51	03:26	10:21	10:55	11:48	11:55	02:01
Night Length	6:55		Sunset Temperature

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

Overlaps		none

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
01:53	22.6	19.1	09:00	humidity	07:07
10:17	14.2	17.2	11:02	twilight	00:45
Total Time Open					7:52

Program	Night Priority	Science
03:26	Science
08:32	Idle due to weather (Dew Point)

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
02:24	02:51	0.44	0.66	200	+1469	22.3	19.6	19.4	276	9	First of Night

Problem Reports					no PRs

TO Comments	Clear night with steep temperature gradient and high humidity around EON. Did not take post-observing measurement due to lack of trust in CCAS shutter. Did not want it to get stuck open in case humidity went back up.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
virus0009908_01	bias	00:00	0			VIRUS	cal							Yes
lrs20009910_01	flat_ldls_long_B	00:01	20			LRS2	cal							Yes
virus0009909_01	dark	00:02	15			VIRUS	cal							Yes
lrs20009911_01	Cd-A_B	00:03	38			LRS2	cal							Yes
lrs20009912_01	FeAr_R	00:05	15			LRS2	cal							Yes
lrs20009913_01	Hg_B	00:06	15			LRS2	cal							Yes
0001	Dark	00:10	319.5			HPF	cal							Yes
0002	Quartz FCU	00:16	74.5			HPF	cal							Yes
0003	Quartz FCU	00:18	74.5			HPF	cal							Yes
0004	Quartz FCU	00:20	74.5			HPF	cal							Yes
0005	Quartz FCU	00:22	74.5			HPF	cal							Yes
0006	Quartz FCU	00:23	74.5			HPF	cal							Yes
0007	Quartz FCU	00:25	74.5			HPF	cal							Yes
0008	Quartz FCU	00:27	74.5			HPF	cal							Yes
0009	Alpha Bright Cal	00:29	85.2			HPF	cal							Yes
0010	Alpha Bright Cal	00:31	85.2			HPF	cal							Yes
0011	Alpha Bright Cal	00:33	85.2			HPF	cal							Yes
0012	Alpha Bright Cal	00:35	85.2			HPF	cal							Yes
0013	LFC FCU	00:38	106.5			HPF	cal							Yes
0014	LFC FCU	00:40	106.5			HPF	cal							Yes
0015	LFC Cal	00:43	106.5			HPF	cal							Yes
0016	LFC Cal	00:45	106.5			HPF	cal							Yes
0017	Etalon Cal	00:48	159.8			HPF	cal							Yes
0018	UNe Slave Cal	00:51	426			HPF	cal							Yes
lrs20000001_01	flat_Qth_R	00:53	15			LRS2	cal							Yes
lrs20000001_02	flat_Qth_R	00:54	15			LRS2	cal							Yes
lrs20000001_03	flat_Qth_R	00:56	15			LRS2	cal							Yes
lrs20000001_04	flat_Qth_R	00:57	15			LRS2	cal							Yes
lrs20000001_05	flat_Qth_R	00:58	15			LRS2	cal							Yes
0019	UNe Slave Cal	00:59	426			HPF	cal							Yes
lrs20000002_01	flat_ldls_long_B	00:59	20			LRS2	cal							Yes
lrs20000002_02	flat_ldls_long_B	01:01	20			LRS2	cal							Yes
lrs20000002_03	flat_ldls_long_B	01:02	20			LRS2	cal							Yes
lrs20000003_01	Cd-A_B	01:03	38			LRS2	cal							Yes
lrs20000003_02	Cd-A_B	01:05	38			LRS2	cal							Yes
lrs20000003_03	Cd-A_B	01:06	38			LRS2	cal							Yes
0020	UNe Slave Cal	01:07	426			HPF	cal							Yes
lrs20000004_01	FeAr_R	01:08	15			LRS2	cal							Yes
lrs20000004_02	FeAr_R	01:09	15			LRS2	cal							Yes
lrs20000004_03	FeAr_R	01:11	15			LRS2	cal							Yes
lrs20000005_01	Hg_R	01:12	20			LRS2	cal							Yes
lrs20000005_02	Hg_R	01:13	20			LRS2	cal							Yes
lrs20000005_03	Hg_R	01:14	20			LRS2	cal							Yes
0021	UNe Slave Cal	01:15	426			HPF	cal							Yes
lrs20000006_01	Hg_B	01:16	15			LRS2	cal							Yes
lrs20000006_02	Hg_B	01:17	15			LRS2	cal							Yes
lrs20000006_03	Hg_B	01:18	15			LRS2	cal							Yes
0022	UNe Slave Cal	01:22	426			HPF	cal							Yes
virus0000001_01	flat_ldls_long	01:25	15			VIRUS	cal							Yes
virus0000001_02	flat_ldls_long	01:26	15			VIRUS	cal							Yes
virus0000001_03	flat_ldls_long	01:28	15			VIRUS	cal							Yes
virus0000002_01	Cd-A	01:29	15			VIRUS	cal							Yes
0023	UNe Slave Cal	01:30	426			HPF	cal							Yes
virus0000002_02	Cd-A	01:30	15			VIRUS	cal							Yes
virus0000002_03	Cd-A	01:32	15			VIRUS	cal							Yes
virus0000003_01	Hg	01:33	15			VIRUS	cal							Yes
virus0000003_02	Hg	01:35	15			VIRUS	cal							Yes
virus0000003_03	Hg	01:36	15			VIRUS	cal							Yes
lrs20000007_01	bias	01:38	0			LRS2	cal							Yes
virus0000004_01	bias	01:38	0			VIRUS	cal							Yes
lrs20000007_02	bias	01:38	0			LRS2	cal							Yes
virus0000004_02	bias	01:38	0			VIRUS	cal							Yes
lrs20000007_03	bias	01:39	0			LRS2	cal							Yes
virus0000004_03	bias	01:39	0			VIRUS	cal							Yes
lrs20000007_04	bias	01:40	0			LRS2	cal							Yes
virus0000004_04	bias	01:40	0			VIRUS	cal							Yes
lrs20000007_05	bias	01:41	0			LRS2	cal							Yes
virus0000004_05	bias	01:41	0			VIRUS	cal							Yes
lrs20000007_06	bias	01:42	0			LRS2	cal							Yes
virus0000004_06	bias	01:42	0			VIRUS	cal							Yes
lrs20000007_07	bias	01:43	0			LRS2	cal							Yes
virus0000004_07	bias	01:43	0			VIRUS	cal							Yes
lrs20000007_08	bias	01:43	0			LRS2	cal							Yes
virus0000004_08	bias	01:44	0			VIRUS	cal							Yes
lrs20000007_09	bias	01:44	0			LRS2	cal							Yes
virus0000004_09	bias	01:45	0			VIRUS	cal							Yes
lrs20000007_10	bias	01:45	0			LRS2	cal							Yes
virus0000004_10	bias	01:46	0			VIRUS	cal							Yes
lrs20000007_11	bias	01:46	0			LRS2	cal							Yes
virus0000004_11	bias	01:46	0			VIRUS	cal							Yes
0024	twilight	01:56	298.2			HPF	cal							Yes
lrs20000008_01	skyflat	02:04	7			LRS2	cal							Yes
lrs20000009_01	skyflat	02:05	10			LRS2	cal							Yes
lrs20000010_01	skyflat	02:06	13			LRS2	cal							Yes
lrs20000011_01	skyflat	02:08	16			LRS2	cal							Yes
lrs20000012_01	skyflat	02:09	22			LRS2	cal							Yes
lrs20000013_01	skyflat	02:10	30			LRS2	cal							Yes
virus0000005_01	skyflat	02:14	7			VIRUS	cal							Yes
virus0000006_01	skyflat	02:15	10			VIRUS	cal							Yes
virus0000007_01	skyflat	02:17	14			VIRUS	cal							Yes
virus0000008_01	skyflat	02:18	18			VIRUS	cal							Yes
virus0000009_01	skyflat	02:20	26			VIRUS	cal							Yes
lrs20000014_01	dark	02:21	360			LRS2	cal							Yes
virus0000010_01	dark	02:21	360			VIRUS	cal							Yes
lrs20000014_02	dark	02:28	360			LRS2	cal							Yes
virus0000010_02	dark	02:28	360			VIRUS	cal							Yes
lrs20000014_03	dark	02:35	360			LRS2	cal							Yes
virus0000010_03	dark	02:35	360			VIRUS	cal							Yes
0025	LFC Cal	02:51	106.5			HPF	cal							Yes
0026	test_drk_donotuse	02:57	10.7			HPF	cal							Yes
virus0000011_01	parallel	02:57	2083			VIRUS	sci							Yes
0027	parallel	02:58	649.6	7.2	UT25-2-008	HPF	sci	1.66	0.80	20.13	0.88	336		P4
0028	parallel	03:09	649.6	0.2	UT25-2-008	HPF	sci	1.67	0.78	20.24	0.90	390		P4
0029	parallel	03:21	649.6	1.2	UT25-2-008	HPF	sci	1.56	0.79	20.20	0.91	377		P4
0030	LFC Cal	03:34	106.5			HPF	cal							Yes
virus0000012_01	parallel	03:38	900			VIRUS	sci							Yes
0031	LFC Cal	03:39	106.5			HPF	cal							Yes
lrs20000015_01	parallel	03:39	900	7.0	PSU25-2-003	LRS2-R	sci	1.48	0.88	20.76	0.83			Yes
0032	LFC Cal	03:41	106.5			HPF	cal							Yes
0033	LFC Cal	03:43	106.5			HPF	cal							Yes
0034	LFC Cal	03:55	106.5			HPF	cal							Yes
0035	test_drk_donotuse	03:59	10.7			HPF	cal							Yes
virus0000013_01	parallel	03:59	2047			VIRUS	sci							Yes
0036	parallel	04:00	969.1	5.8	UT25-2-023	HPF	sci	1.45	1.11	20.12	0.85	44		Yes
0037	parallel	04:17	969.1	0.8	UT25-2-023	HPF	sci	1.50	1.02	20.14	0.94	53		Yes
lrs20000016_01	P330E_056_E	04:40	180	7.0		LRS2	spec	1.41	0.96	21.99	0.84			Yes
lrs20000017_01	P330E_066_E	04:45	180	2.0		LRS2	spec	1.41	1.13	21.00	0.91			Yes
0038	LFC Cal	04:49	106.5			HPF	cal							Yes
0039	LFC Cal	04:55	106.5			HPF	cal							Yes
virus0000014_01	parallel	04:55	1800			VIRUS	sci							Yes
lrs20000018_01	parallel	04:55	1800	7.0	UT25-2-003	LRS2-B	sci	1.61	1.10	21.80	0.89			Yes
0040	LFC Cal	04:58	106.5			HPF	cal							Yes
0041	LFC Cal	05:00	106.5			HPF	cal							Yes
0042	LFC Cal	05:26	106.5			HPF	cal							Yes
0043	test_drk_donotuse	05:31	10.7			HPF	cal							Yes
virus0000015_01	parallel	05:31	979			VIRUS	sci							Yes
0044	parallel	05:32	915.9	6.7	UT25-2-012	HPF	sci	1.46	0.96	20.33	0.85	184		P4
0045	LFC Cal	05:49	106.5			HPF	cal							Yes
0046	test_drk_donotuse	05:54	10.7			HPF	cal							Yes
0047	parallel	05:55	915.9	7.7	UT25-2-012	HPF	sci	1.43	0.85	20.28	0.96	148		P4
virus0000016_01	parallel	05:55	979			VIRUS	sci							Yes
0048	LFC Cal	06:12	106.5			HPF	cal							Yes
0049	LFC Cal	06:18	106.5			HPF	cal							Yes
virus0000017_01	parallel	06:18	300			VIRUS	sci							Yes
lrs20000019_01	parallel	06:18	300	8.0	PSU25-2-007	LRS2-R	sci	1.48	0.95	21.15	0.87			P4
0050	LFC Cal	06:21	106.5			HPF	cal							Yes
0051	test_drk_donotuse	06:26	10.7			HPF	cal							Yes
0052	HR4943_tell_std	06:29	117.2	6.0		HPF	telluric	2.16	2.04	20.32	0.81			Yes
0053	test_drk_donotuse	06:35	10.7			HPF	cal							Yes
virus0000018_01	parallel	06:38	6004			VIRUS	sci							Yes
0054	parallel	06:39	617.7	7.7	UT25-2-012	HPF	sci	1.89	1.05	20.66	0.88	46	9th exposure started after track ended so I stopped the observation at 8 exposures.	Yes
0055	parallel	06:50	617.7	0.7	UT25-2-012	HPF	sci	2.07	1.29	20.61	0.88	47		Yes
0056	parallel	07:01	617.7	0.7	UT25-2-012	HPF	sci	1.97	1.19	20.61	0.89	52		Yes
0057	parallel	07:12	617.7	0.7	UT25-2-012	HPF	sci	1.89	1.27	20.58	0.90	54		Yes
0058	parallel	07:23	617.7	0.7	UT25-2-012	HPF	sci	1.70	0.99	20.52	0.89	53		Yes
0059	parallel	07:34	617.7	0.7	UT25-2-012	HPF	sci	1.53	1.17	20.47	0.87	49		Yes
0060	parallel	07:45	617.7	0.7	UT25-2-012	HPF	sci	1.56	1.18	20.48	0.84	43		Yes
0061	parallel	07:56	617.7	1.7	UT25-2-012	HPF	sci	1.48	1.05	20.39	0.89	33		Yes
0062	LFC Cal	08:08	106.5			HPF	cal							Yes
0063	LFC Cal	08:12	106.5			HPF	cal							Yes
lrs20000020_01	parallel	08:12	360			LRS2	sci							Yes
virus0000019_01	parallel	08:12	360	5.0	UT25-2-017	VIRUS	sci	2.17	1.28	21.84	0.77			Yes
0064	LFC Cal	08:14	106.5			HPF	cal							Yes
lrs20000020_02	parallel	08:19	360			LRS2	sci							Yes
virus0000019_02	parallel	08:19	360	1.0	UT25-2-017	VIRUS	sci	2.32	1.55	21.80	0.79			Yes
lrs20000020_03	parallel	08:26	360			LRS2	sci							Yes
virus0000019_03	parallel	08:26	360	1.0	UT25-2-017	VIRUS	sci	2.33	1.53	21.81	0.79			Yes
0065	LFC Cal	08:33	106.5			HPF	cal							Yes
lrs20000021_01	parallel	08:37	1000			LRS2	sci							Yes
virus0000020_01	parallel	08:37	1000	5.3	UT25-2-014	VIRUS	sci	2.62		21.89	0.74		Closed dome half way through second exposure due to high humidity and dew point.	No
0066	LFC Cal	08:38	106.5			HPF	cal							Yes
0067	LFC Cal	08:40	106.5			HPF	cal							Yes
0068	LFC Cal	08:42	106.5			HPF	cal							Yes
lrs20000021_02	parallel	08:55	1000			LRS2	sci							Yes
virus0000020_02	parallel	08:55	1000	1.3	UT25-2-014	VIRUS	sci	2.91		21.89	0.74			No
0069	LFC Cal	10:19	106.5			HPF	cal							Yes
0070	test_drk_donotuse	10:27	10.7			HPF	cal							Yes
0071	parallel	10:29	969.1	5.8	PSU25-2-008	HPF	sci	2.37		20.21	0.67	43		Yes
virus0000021_01	parallel	10:29	1023			VIRUS	sci							Yes
0072	LFC Cal	10:47	106.5			HPF	cal							Yes
0073	test_drk_donotuse	10:49	10.7			HPF	cal							Yes
0074	parallel	10:51	95.9	6.4	PSU25-2-005	HPF	sci	2.35		19.08	0.95	300		Yes
0075	test_drk_donotuse	10:56	10.7			HPF	cal							Yes
0076	parallel	10:57	74.5	4.8	PSU25-2-005	HPF	sci	2.42		18.31	0.94	328		Yes
lrs20000022_01	bias	11:00	0			LRS2	cal							Yes
virus0000022_01	bias	11:01	0			VIRUS	cal							Yes
virus0000023_01	Cd-A	11:05	15		ENG25-2-002	VIRUS	cal							Yes
virus0000024_01	Hg	11:06	15		ENG25-2-002	VIRUS	cal							Yes
0077	Dark	11:09	319.5			HPF	cal							Yes
0078	Quartz FCU	11:21	74.5			HPF	cal							Yes
0079	Quartz FCU	11:22	74.5			HPF	cal							Yes
0080	Quartz FCU	11:24	74.5			HPF	cal							Yes
0081	Quartz FCU	11:26	74.5			HPF	cal							Yes
0082	Quartz FCU	11:28	74.5			HPF	cal							Yes
0083	Quartz FCU	11:29	74.5			HPF	cal							Yes
0084	Quartz FCU	11:31	74.5			HPF	cal							Yes
0085	Alpha Bright Cal	11:34	85.2			HPF	cal							Yes
0086	Alpha Bright Cal	11:35	85.2			HPF	cal							Yes
0087	Alpha Bright Cal	11:37	85.2			HPF	cal							Yes
0088	Alpha Bright Cal	11:39	85.2			HPF	cal							Yes
0089	LFC FCU	11:42	106.5			HPF	cal							Yes
0090	LFC FCU	11:44	106.5			HPF	cal							Yes
0091	LFC FCU	11:47	106.5			HPF	cal							Yes
0092	LFC FCU	11:49	106.5			HPF	cal							Yes
0093	LFC FCU	11:51	106.5			HPF	cal							Yes
0094	LFC FCU	11:54	106.5			HPF	cal							Yes
0095	LFC Cal	11:56	106.5			HPF	cal							Yes
0096	LFC Cal	11:59	106.5			HPF	cal							Yes
0097	Etalon Cal	12:07	159.8			HPF	cal							Yes
0098	Etalon Cal	12:10	159.8			HPF	cal							Yes
0099	Etalon Cal	12:13	159.8			HPF	cal							Yes
0100	Etalon Cal	12:16	159.8			HPF	cal							Yes
0101	UNe Slave Cal	12:20	426			HPF	cal							Yes
0102	UNe Slave Cal	12:27	426			HPF	cal							Yes
0103	UNe Slave Cal	12:35	426			HPF	cal							Yes
0104	UNe Slave Cal	12:43	426			HPF	cal							Yes
0105	UNe Slave Cal	12:51	426			HPF	cal							Yes
0106	UNe Slave Cal	12:59	426			HPF	cal							Yes
0109	LFC Cal	23:42	106.5			HPF	cal							Yes
lrs20009909_01	bias	23:58	0			LRS2	cal							Yes
virus0009907_01	flat_Qth	23:59	20			VIRUS	cal							Yes