HET Night Report Reader

Civil Date	Ephemerides
2025-07-09	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	02:09	03:02	03:38	10:25	11:01	11:54	01:28	11:41
Night Length	6:47		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator
Sergey Rostopchin	Nathan McReynolds

Overlaps		none

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
02:04	20.9	19.0	07:07	dew point	05:03
07:33	18.2	18.8	11:03	twilight	03:30
Total Time Open					8:33

Program	Night Priority	Science
03:38	Science
04:04	Idle due to weather (too close to the moon)
04:09	Science
07:05	Idle due to weather (dew point)
07:33	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
02:35	03:06	0.45	0.68	200	+1545	20.5	20.6	20.2	68	10	First of Night
08:10	08:22	0.79	1.21	60	+3502	17.9	18.5	18.6	225	5	Post-Observing
08:22	08:45	0.39	0.63	190	+3519	17.7	18.4	18.5	239	9	Stack/Re-stack
10:55	11:03	0.46	0.70	154	+3959	17.3	18.2	18.3	166	3	Post-Observing

Problem Reports					no PRs

TO Comments	tracker super cooled caused dew point closure (tracker at 14.4C vs external at 18.0)

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
lrs20000029_03	dark	00:03	360			LRS2	cal							Yes
virus0000030_03	dark	00:03	360			VIRUS	cal							Yes
0001	twilight	02:06	298.2			HPF	cal					497		Yes
lrs20000001_01	skyflat	02:15	7			LRS2	cal							Yes
lrs20000002_01	skyflat	02:16	10			LRS2	cal							Yes
lrs20000003_01	skyflat	02:17	13			LRS2	cal							Yes
lrs20000004_01	skyflat	02:18	16			LRS2	cal							Yes
lrs20000005_01	skyflat	02:20	22			LRS2	cal							Yes
lrs20000006_01	skyflat	02:21	30			LRS2	cal							Yes
virus0000001_01	skyflat	02:25	7			VIRUS	cal							Yes
virus0000002_01	skyflat	02:26	10			VIRUS	cal							Yes
virus0000003_01	skyflat	02:28	14			VIRUS	cal							Yes
virus0000004_01	skyflat	02:29	18			VIRUS	cal							Yes
virus0000005_01	skyflat	02:30	26			VIRUS	cal							Yes
0002	LFC Cal	02:36	106.5			HPF	cal							Yes
0003	LFC Cal	02:38	106.5			HPF	cal							Yes
0004	LFC Cal	02:40	106.5			HPF	cal							Yes
0005	test_drk_donotuse	03:10	10.7			HPF	cal							Yes
0006	parallel	03:11	969.1	4.8	UT25-2-023	HPF	sci	1.38	0.87	19.03	0.87	41		Yes
virus0000006_01	parallel	03:11	2047			VIRUS	sci							Yes
0007	parallel	03:28	969.1	0.8	UT25-2-023	HPF	sci	1.29	0.69	18.99	0.89	40		Yes
0008	LFC Cal	03:52	106.5			HPF	cal							Yes
lrs20000007_01	parallel	03:52	180	7.0	UT25-2-018	LRS2-B	sci	1.30	0.64	18.30	0.86			P4
0009	LFC Cal	03:58	106.5			HPF	cal							Yes
virus0000007_01	parallel	03:58	360			VIRUS	sci							Yes
lrs20000008_01	parallel	03:58	360	3.0	UT25-2-018	LRS2-R	sci	1.26	0.68	18.30	0.91			P4
0010	LFC Cal	04:01	106.5			HPF	cal							Yes
none	parallel	04:09	0	5.0	UT25-2-023	HPF	sci		0.74				too close to the moon	No
0011	LFC Cal	04:13	106.5			HPF	cal							Yes
lrs20000009_01	parallel	04:13	180	4.0	UT25-2-018	LRS2-B	sci	1.37	0.77	18.74	0.70			P4
0012	LFC Cal	04:20	106.5			HPF	cal							Yes
virus0000008_01	parallel	04:20	360			VIRUS	sci							Yes
lrs20000010_01	parallel	04:20	360	4.0	UT25-2-018	LRS2-R	sci	1.36	0.86	18.71	0.86			P4
0013	LFC Cal	04:23	106.5			HPF	cal							Yes
0014	test_drk_donotuse	04:27	10.7			HPF	cal							Yes
0015	parallel	04:31	969.1	4.8	UT25-2-023	HPF	sci	1.56	0.82	19.07	0.92	41		Yes
virus0000009_01	parallel	04:31	2047			VIRUS	sci							Yes
0016	parallel	04:48	969.1	0.8	UT25-2-023	HPF	sci	1.59	0.89	19.12	0.92	39		Yes
0017	test_drk_donotuse	05:08	10.7			HPF	cal							Yes
virus0000010_01	parallel	05:12	2047			VIRUS	sci							Yes
0018	parallel	05:13	969.1	8.8	UT25-2-023	HPF	sci	1.48	0.97	19.16	0.91	45		Yes
0019	parallel	05:30	969.1	0.8	UT25-2-023	HPF	sci	1.49	0.83	19.11	0.92	46		Yes
0020	test_drk_donotuse	05:49	10.7			HPF	cal							Yes
virus0000011_01	parallel	05:51	2047			VIRUS	sci							Yes
0021	parallel	05:52	969.1	5.8	UT25-2-023	HPF	sci	1.33	0.87	18.65	0.69	36		Yes
0022	parallel	06:09	969.1	0.8	UT25-2-023	HPF	sci	1.42	0.77	19.12	0.72	37		Yes
0023	test_drk_donotuse	06:31	10.7			HPF	cal							Yes
0024	parallel	06:32	969.1	6.8	UT25-2-023	HPF	sci	1.48	0.81	19.24	0.83	31		Yes
virus0000012_01	parallel	06:32	2047			VIRUS	sci							Yes
0025	parallel	06:49	969.1	0.8	UT25-2-023	HPF	sci	1.46	0.66	19.24	0.79	32		Yes
0026	LFC Cal	07:09	106.5			HPF	cal							Yes
0027	LFC Cal	07:11	106.5			HPF	cal							Yes
0028	LFC Cal	07:14	106.5			HPF	cal							Yes
0029	test_drk_donotuse	07:36	10.7			HPF	cal							Yes
0030	parallel	07:37	969.1	3.8	UT25-2-023	HPF	sci	1.44		19.17	0.86	24		Yes
virus0000013_01	parallel	07:37	2047			VIRUS	sci							Yes
0031	parallel	07:54	969.1	0.8	UT25-2-023	HPF	sci	1.44		19.20	0.81	23		Yes
0032	test_drk_donotuse	08:13	10.7			HPF	cal							Yes
lrs20000011_01	HD180609_056_W	08:49	30	3.5		LRS2	spec	1.33		19.04	0.70			Yes
lrs20000012_01	HD180609_066_W	08:52	30	2.5		LRS2	spec	1.40		19.18	0.82			Yes
0033	LFC Cal	08:59	106.5			HPF	cal							Yes
virus0000014_01	parallel	08:59	1200			VIRUS	sci							Yes
lrs20000013_01	parallel	08:59	1200	7.0	UT25-2-001	LRS2-B	sci	1.31		18.16	0.87			Yes
0034	LFC Cal	09:01	106.5			HPF	cal							Yes
0035	LFC Cal	09:04	106.5			HPF	cal							Yes
0036	LFC Cal	09:24	106.5			HPF	cal							Yes
virus0000015_01	parallel	09:24	1200			VIRUS	sci							Yes
lrs20000014_01	parallel	09:24	1200	5.0	UT25-2-001	LRS2-R	sci	1.20		18.10	1.03			Yes
0037	LFC Cal	09:26	106.5			HPF	cal							Yes
0038	LFC Cal	09:29	106.5			HPF	cal							Yes
0039	LFC Cal	09:50	106.5			HPF	cal							Yes
virus0000016_01	parallel	09:50	300			VIRUS	sci							Yes
lrs20000015_01	parallel	09:50	300	6.0	UT25-2-018	LRS2-B	sci	1.28		18.93	0.92			Yes
0040	LFC Cal	09:52	106.5			HPF	cal							Yes
virus0000017_01	parallel	09:58	600			VIRUS	sci							Yes
0041	LFC Cal	09:59	106.5			HPF	cal							Yes
lrs20000016_01	parallel	09:59	600	4.0	UT25-2-018	LRS2-R	sci	1.39	0.86	19.24	0.94			Yes
0042	LFC Cal	10:01	106.5			HPF	cal							Yes
0043	LFC Cal	10:03	106.5			HPF	cal							Yes
0044	test_drk_donotuse	10:10	10.7			HPF	cal							Yes
virus0000018_01	parallel	10:13	2047			VIRUS	sci							Yes
0045	parallel	10:14	969.1	4.8	PSU25-2-015	HPF	sci	1.33	0.85	19.31	0.81	125		Yes
0046	parallel	10:31	969.1	0.8	PSU25-2-015	HPF	sci	1.43	1.04	19.34	0.79	105		Yes
0047	LFC Cal	10:49	106.5			HPF	cal							Yes
0048	test_drk_donotuse	10:52	10.7			HPF	cal							Yes
0049	parallel	10:54	74.5	6.8	PSU25-2-005	HPF	sci	1.50	1.17	18.82	0.86	710		Yes
lrs20000017_01	bias	10:58	0			LRS2	cal							Yes
virus0000019_01	bias	10:58	0			VIRUS	cal							Yes
virus0000020_01	Cd-A	11:01	15		ENG25-2-002	VIRUS	cal							Yes
virus0000021_01	Hg	11:02	15		ENG25-2-002	VIRUS	cal							Yes
0050	Dark	11:11	319.5			HPF	cal							Yes
0051	Quartz FCU	11:23	74.5			HPF	cal							Yes
0052	Quartz FCU	11:24	74.5			HPF	cal							Yes
0053	Quartz FCU	11:26	74.5			HPF	cal							Yes
0054	Quartz FCU	11:28	74.5			HPF	cal							Yes
0055	Quartz FCU	11:30	74.5			HPF	cal							Yes
0056	Quartz FCU	11:32	74.5			HPF	cal							Yes
0057	Quartz FCU	11:33	74.5			HPF	cal							Yes
0058	Alpha Bright Cal	11:36	85.2			HPF	cal							Yes
0059	Alpha Bright Cal	11:38	85.2			HPF	cal							Yes
0060	Alpha Bright Cal	11:40	85.2			HPF	cal							Yes
0061	Alpha Bright Cal	11:41	85.2			HPF	cal							Yes
0062	LFC FCU	11:44	106.5			HPF	cal							Yes
0063	LFC FCU	11:46	106.5			HPF	cal							Yes
0064	LFC FCU	11:49	106.5			HPF	cal							Yes
0065	LFC FCU	11:51	106.5			HPF	cal							Yes
0066	LFC FCU	11:53	106.5			HPF	cal							Yes
0067	LFC FCU	11:56	106.5			HPF	cal							Yes
0068	LFC Cal	11:59	106.5			HPF	cal							Yes
0069	LFC Cal	12:01	106.5			HPF	cal							Yes
0070	Etalon Cal	12:09	159.8			HPF	cal							Yes
0071	Etalon Cal	12:12	159.8			HPF	cal							Yes
0072	Etalon Cal	12:15	159.8			HPF	cal							Yes
0073	Etalon Cal	12:18	159.8			HPF	cal							Yes
0074	UNe Slave Cal	12:22	426			HPF	cal							Yes
0075	UNe Slave Cal	12:30	426			HPF	cal							Yes
0076	UNe Slave Cal	12:37	426			HPF	cal							Yes
0077	UNe Slave Cal	12:45	426			HPF	cal							Yes
0078	UNe Slave Cal	12:53	426			HPF	cal							Yes
0079	UNe Slave Cal	13:01	426			HPF	cal							Yes
virus0008100_01	dark	19:44	20			VIRUS	cal							Yes
virus0008100_02	dark	19:45	20			VIRUS	cal							Yes
virus0008101_01	flat_ldls_long	19:49	15			VIRUS	cal							Yes
virus0008101_02	flat_ldls_long	19:50	15			VIRUS	cal							Yes
virus0008102_01	bias	19:52	0			VIRUS	cal							Yes
virus0008102_02	bias	19:53	0			VIRUS	cal							Yes
0077	LFC Cal	21:49	106.5			HPF	cal							Yes
lrs20009900_01	bias	21:55	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	21:56	20			VIRUS	cal							Yes
virus0009901_01	bias	21:57	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	21:58	20			LRS2	cal							Yes
virus0009902_01	dark	21:59	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:00	38			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:02	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:03	15			LRS2	cal							Yes
virus0009905_01	dark	22:05	15			VIRUS	cal							Yes
virus0009906_01	bias	22:07	0			VIRUS	cal							Yes
0078	Dark	22:11	319.5			HPF	cal							Yes
0079	Quartz FCU	22:18	74.5			HPF	cal							Yes
0080	Quartz FCU	22:20	74.5			HPF	cal							Yes
0081	Quartz FCU	22:22	74.5			HPF	cal							Yes
0082	Quartz FCU	22:23	74.5			HPF	cal							Yes
0083	Quartz FCU	22:25	74.5			HPF	cal							Yes
0084	Quartz FCU	22:27	74.5			HPF	cal							Yes
0085	Quartz FCU	22:29	74.5			HPF	cal							Yes
0086	Alpha Bright Cal	22:31	85.2			HPF	cal							Yes
0087	Alpha Bright Cal	22:33	85.2			HPF	cal							Yes
0088	Alpha Bright Cal	22:35	85.2			HPF	cal							Yes
0089	Alpha Bright Cal	22:37	85.2			HPF	cal							Yes
0090	LFC FCU	22:40	106.5			HPF	cal							Yes
0091	LFC FCU	22:42	106.5			HPF	cal							Yes
0092	LFC Cal	22:45	106.5			HPF	cal							Yes
0093	LFC Cal	22:47	106.5			HPF	cal							Yes
0094	Etalon Cal	22:49	159.8			HPF	cal							Yes
0095	UNe Slave Cal	22:53	426			HPF	cal							Yes
lrs20000022_01	flat_Qth_R	22:55	15			LRS2	cal							Yes
lrs20000022_02	flat_Qth_R	22:56	15			LRS2	cal							Yes
lrs20000022_03	flat_Qth_R	22:58	15			LRS2	cal							Yes
lrs20000022_04	flat_Qth_R	22:59	15			LRS2	cal							Yes
lrs20000022_05	flat_Qth_R	23:00	15			LRS2	cal							Yes
0096	UNe Slave Cal	23:01	426			HPF	cal							Yes
lrs20000023_01	flat_ldls_long_B	23:01	20			LRS2	cal							Yes
lrs20000023_02	flat_ldls_long_B	23:03	20			LRS2	cal							Yes
lrs20000023_03	flat_ldls_long_B	23:04	20			LRS2	cal							Yes
lrs20000024_01	Cd-A_B	23:05	38			LRS2	cal							Yes
lrs20000024_02	Cd-A_B	23:07	38			LRS2	cal							Yes
0097	UNe Slave Cal	23:09	426			HPF	cal							Yes
lrs20000024_03	Cd-A_B	23:09	38			LRS2	cal							Yes
lrs20000025_01	FeAr_R	23:10	15			LRS2	cal							Yes
lrs20000025_02	FeAr_R	23:12	15			LRS2	cal							Yes
lrs20000025_03	FeAr_R	23:13	15			LRS2	cal							Yes
lrs20000026_01	Hg_R	23:14	20			LRS2	cal							Yes
lrs20000026_02	Hg_R	23:15	20			LRS2	cal							Yes
0098	UNe Slave Cal	23:16	426			HPF	cal							Yes
lrs20000026_03	Hg_R	23:17	20			LRS2	cal							Yes
lrs20000027_01	Hg_B	23:18	15			LRS2	cal							Yes
lrs20000027_02	Hg_B	23:19	15			LRS2	cal							Yes
lrs20000027_03	Hg_B	23:21	15			LRS2	cal							Yes
0099	UNe Slave Cal	23:24	426			HPF	cal							Yes
virus0000026_01	flat_ldls_long	23:27	15			VIRUS	cal							Yes
virus0000026_02	flat_ldls_long	23:29	15			VIRUS	cal							Yes
virus0000026_03	flat_ldls_long	23:30	15			VIRUS	cal							Yes
virus0000027_01	Cd-A	23:31	15			VIRUS	cal							Yes
0100	UNe Slave Cal	23:32	426			HPF	cal							Yes
virus0000027_02	Cd-A	23:33	15			VIRUS	cal							Yes
virus0000027_03	Cd-A	23:34	15			VIRUS	cal							Yes
virus0000028_01	Hg	23:36	15			VIRUS	cal							Yes
virus0000028_02	Hg	23:37	15			VIRUS	cal							Yes
virus0000028_03	Hg	23:39	15			VIRUS	cal							Yes
lrs20000028_01	bias	23:40	0			LRS2	cal							Yes
virus0000029_01	bias	23:40	0			VIRUS	cal							Yes
lrs20000028_02	bias	23:41	0			LRS2	cal							Yes
virus0000029_02	bias	23:41	0			VIRUS	cal							Yes
lrs20000028_03	bias	23:41	0			LRS2	cal							Yes
virus0000029_03	bias	23:42	0			VIRUS	cal							Yes
lrs20000028_04	bias	23:42	0			LRS2	cal							Yes
lrs20000028_05	bias	23:43	0			LRS2	cal							Yes
virus0000029_04	bias	23:43	0			VIRUS	cal							Yes
virus0000029_05	bias	23:43	0			VIRUS	cal							Yes
lrs20000028_06	bias	23:44	0			LRS2	cal							Yes
virus0000029_06	bias	23:44	0			VIRUS	cal							Yes
lrs20000028_07	bias	23:45	0			LRS2	cal							Yes
virus0000029_07	bias	23:45	0			VIRUS	cal							Yes
lrs20000028_08	bias	23:46	0			LRS2	cal							Yes
virus0000029_08	bias	23:46	0			VIRUS	cal							Yes
lrs20000028_09	bias	23:47	0			LRS2	cal							Yes
virus0000029_09	bias	23:47	0			VIRUS	cal							Yes
lrs20000028_10	bias	23:48	0			LRS2	cal							Yes
virus0000029_10	bias	23:48	0			VIRUS	cal							Yes
lrs20000028_11	bias	23:48	0			LRS2	cal							Yes
virus0000029_11	bias	23:49	0			VIRUS	cal							Yes
lrs20000029_01	dark	23:49	360			LRS2	cal							Yes
virus0000030_01	dark	23:50	360			VIRUS	cal							Yes
lrs20000029_02	dark	23:56	360			LRS2	cal							Yes
virus0000030_02	dark	23:57	360			VIRUS	cal							Yes