HET Night Report Reader

Civil Date	Ephemerides
2025-09-14	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:09	01:55	02:23	11:20	11:48	12:34	06:11	-
Night Length	8:57		Sunset Temperature

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

Overlaps
TO Overlap	RA Overlap
Amy Westfall	-

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
01:27	19.3	18.0	04:57	clouds	03:30
05:23	16.7	17.3	07:54	clouds	02:31
10:57	17.0	17.3	12:27	twilight	01:30
Total Time Open					7:31

Program	Night Priority	Science
02:23	Science
02:29	Idle due to weather (clouds)
03:09	Science
04:29	Idle due to weather (clouds)
05:49	Science
07:09	Idle due to weather (clouds)
11:02	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
01:33	01:58	0.39	0.59	203	+1863	18.8	18.4	18.2	133	10	First of Night
11:39	11:47	0.70	1.08	-17	+3954	17.2	17.4	17.4	192	12	Post-Observing
11:47	11:54				+3781	17.1	17.4	17.4	189	11	End of Night
↪ Comments			quick stack at end of night before morning flats. only one aoa iteration each side taken

Problem Reports					no PRs

TO Comments	late open due to radar

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	flat_Qth_R	00:01	15			LRS2	cal							Yes
lrs20000001_02	flat_Qth_R	00:02	15			LRS2	cal							Yes
lrs20000001_03	flat_Qth_R	00:04	15			LRS2	cal							Yes
lrs20000001_04	flat_Qth_R	00:05	15			LRS2	cal							Yes
lrs20000001_05	flat_Qth_R	00:06	15			LRS2	cal							Yes
0001	UNe Slave Cal	00:07	426			HPF	cal							Yes
lrs20000002_01	flat_ldls_long_B	00:07	20			LRS2	cal							Yes
lrs20000002_02	flat_ldls_long_B	00:09	20			LRS2	cal							Yes
lrs20000002_03	flat_ldls_long_B	00:10	20			LRS2	cal							Yes
lrs20000003_01	Cd-A_B	00:11	38			LRS2	cal							Yes
lrs20000003_02	Cd-A_B	00:13	38			LRS2	cal							Yes
lrs20000003_03	Cd-A_B	00:14	38			LRS2	cal							Yes
0002	UNe Slave Cal	00:15	426			HPF	cal							Yes
lrs20000004_01	FeAr_R	00:16	15			LRS2	cal							Yes
lrs20000004_02	FeAr_R	00:17	15			LRS2	cal							Yes
lrs20000004_03	FeAr_R	00:19	15			LRS2	cal							Yes
lrs20000005_01	Hg_R	00:20	20			LRS2	cal							Yes
lrs20000005_02	Hg_R	00:21	20			LRS2	cal							Yes
lrs20000005_03	Hg_R	00:22	20			LRS2	cal							Yes
0003	UNe Slave Cal	00:23	426			HPF	cal							Yes
lrs20000006_01	Hg_B	00:24	15			LRS2	cal							Yes
lrs20000006_02	Hg_B	00:25	15			LRS2	cal							Yes
lrs20000006_03	Hg_B	00:26	15			LRS2	cal							Yes
lrs20000007_01	bias	00:28	0			LRS2	cal							Yes
virus0000001_01	bias	00:28	0			VIRUS	cal							Yes
lrs20000007_02	bias	00:28	0			LRS2	cal							Yes
virus0000001_02	bias	00:29	0			VIRUS	cal							Yes
lrs20000007_03	bias	00:29	0			LRS2	cal							Yes
virus0000001_03	bias	00:29	0			VIRUS	cal							Yes
lrs20000007_04	bias	00:30	0			LRS2	cal							Yes
virus0000001_04	bias	00:30	0			VIRUS	cal							Yes
0004	UNe Slave Cal	00:31	426			HPF	cal							Yes
lrs20000007_05	bias	00:31	0			LRS2	cal							Yes
virus0000001_05	bias	00:31	0			VIRUS	cal							Yes
lrs20000007_06	bias	00:32	0			LRS2	cal							Yes
virus0000001_06	bias	00:32	0			VIRUS	cal							Yes
lrs20000007_07	bias	00:33	0			LRS2	cal							Yes
virus0000001_07	bias	00:33	0			VIRUS	cal							Yes
lrs20000007_08	bias	00:34	0			LRS2	cal							Yes
virus0000001_08	bias	00:34	0			VIRUS	cal							Yes
lrs20000007_09	bias	00:34	0			LRS2	cal							Yes
virus0000001_09	bias	00:35	0			VIRUS	cal							Yes
lrs20000007_10	bias	00:35	0			LRS2	cal							Yes
virus0000001_10	bias	00:36	0			VIRUS	cal							Yes
lrs20000007_11	bias	00:36	0			LRS2	cal							Yes
virus0000001_11	bias	00:37	0			VIRUS	cal							Yes
lrs20000008_01	dark	00:37	360			LRS2	cal							Yes
virus0000002_01	dark	00:37	360			VIRUS	cal							Yes
0005	UNe Slave Cal	00:38	426			HPF	cal							Yes
lrs20000008_02	dark	00:44	360			LRS2	cal							Yes
virus0000002_02	dark	00:44	360			VIRUS	cal							Yes
lrs20000008_03	dark	00:51	360			LRS2	cal							Yes
virus0000002_03	dark	00:51	360			VIRUS	cal							Yes
0006	LFC Cal	01:05	106.5			HPF	cal							Yes
0007	LFC Cal	01:07	106.5			HPF	cal							Yes
0008	LFC Cal	01:10	106.5			HPF	cal							Yes
virus0000003_01	flat_ldls_long	01:19	15			VIRUS	cal							Yes
virus0000003_02	flat_ldls_long	01:21	15			VIRUS	cal							Yes
virus0000003_03	flat_ldls_long	01:22	15			VIRUS	cal							Yes
virus0000004_01	Cd-A	01:23	15			VIRUS	cal							Yes
virus0000004_02	Cd-A	01:25	15			VIRUS	cal							Yes
virus0000004_03	Cd-A	01:26	15			VIRUS	cal							Yes
virus0000005_01	Hg	01:27	15			VIRUS	cal							Yes
virus0000006_01	Hg	01:38	15			VIRUS	cal							Yes
virus0000006_02	Hg	01:39	15			VIRUS	cal							Yes
virus0000006_03	Hg	01:41	15			VIRUS	cal							Yes
0009	HR6203_tell_std	02:13	330.2	6.5		HPF	telluric	1.43		20.71	0.89			Yes
lrs20000009_01	BD+023375_056_W	02:24	60	6.0		LRS2	spec	1.33		21.96	0.92			Yes
lrs20000010_01	BD+023375_066_W	02:28	30	3.5		LRS2	spec	1.32		20.70	1.03			Yes
virus0000007_01	parallel	02:34	2047			VIRUS	sci							Yes
0010	parallel	02:35	969.1	5.8	UT25-3-013	HPF	sci	1.30		20.30	0.04	8	clouds. aborted	No
0011	LFC Cal	02:52	106.5			HPF	cal							Yes
0012	LFC Cal	03:14	106.5			HPF	cal							Yes
virus0000008_01	parallel	03:14	300			VIRUS	sci							Yes
lrs20000011_01	parallel	03:14	300	5.0	PSU25-3-002	LRS2-R	sci	1.27		20.92	1.01			P4
0013	LFC Cal	03:16	106.5			HPF	cal							Yes
virus0000009_01	LDS749B_034_E	03:25	60	6.0		VIRUS	spec	1.19		22.10	0.86			Yes
virus0000009_02	LDS749B_034_E	03:27	60	1.0		VIRUS	spec	1.24		22.08	0.89			Yes
virus0000009_03	LDS749B_034_E	03:29	60	1.0		VIRUS	spec	1.25		22.10	0.88			Yes
0014	LFC Cal	03:34	106.5			HPF	cal							Yes
virus0000010_01	parallel	03:34	3300			VIRUS	sci							Yes
lrs20000012_01	parallel	03:34	3300	4.0	UT25-3-014	LRS2-B	sci	1.26		21.61	0.77		clouds at the end of the exposure. Check quality	Yes
0015	LFC Cal	03:37	106.5			HPF	cal							Yes
0016	LFC Cal	03:39	106.5			HPF	cal							Yes
0017	LFC Cal	04:46	106.5			HPF	cal							Yes
0018	parallel	04:50	969.1	4.8	PSU25-3-014	HPF	sci	1.24		20.39	0.69	35	clouds. aborted	No
virus0000011_01	parallel	04:50	2047			VIRUS	sci							Yes
0019	LFC Cal	05:28	106.5			HPF	cal							Yes
lrs20000013_01	parallel	05:28	360			LRS2	sci							Yes
virus0000012_01	parallel	05:28	360	5.0	UT25-3-017	VIRUS	sci	1.23		21.50	0.13		clouds	No
0020	LFC Cal	05:30	106.5			HPF	cal							Yes
lrs20006100_01	test	05:44	60			LRS2	cal							Yes
virus0000013_01	parallel	05:52	900			VIRUS	sci							Yes
0021	LFC Cal	05:53	106.5			HPF	cal							Yes
lrs20000014_01	parallel	05:53	900	4.0	UT25-3-010	LRS2-B	sci	1.57		21.66	0.87			Yes
0022	LFC Cal	05:55	106.5			HPF	cal							Yes
0023	LFC Cal	05:57	106.5			HPF	cal							Yes
virus0000013_02	parallel	06:09	900			VIRUS	sci							Yes
lrs20000014_02	parallel	06:09	900	1.0	UT25-3-010	LRS2-B	sci	1.57		21.64	0.87			Yes
0024	LFC Cal	06:29	106.5			HPF	cal							Yes
virus0000014_01	parallel	06:29	2400			VIRUS	sci							Yes
lrs20000015_01	parallel	06:29	2400	5.0	UT25-3-004	LRS2-R	sci	1.54		20.57	0.72			Yes
0025	LFC Cal	06:31	106.5			HPF	cal							Yes
0026	LFC Cal	06:34	106.5			HPF	cal							Yes
virus0000015_01	parallel	07:14	1500			VIRUS	sci							Yes
0027	LFC Cal	07:15	106.5			HPF	cal							Yes
lrs20000016_01	parallel	07:15	1500	6.0	UT25-3-010	LRS2-B	sci	1.48		20.73	0.85		clouds during 2nd exp. aborted	No
0028	LFC Cal	07:17	106.5			HPF	cal							Yes
0029	LFC Cal	07:19	106.5			HPF	cal							Yes
virus0000015_02	parallel	07:41	1500			VIRUS	sci							Yes
lrs20000016_02	parallel	07:41	1500	1.0	UT25-3-010	LRS2-B	sci	1.47		20.04	0.17			No
0030	LFC Cal	11:05	106.5			HPF	cal							Yes
0031	parallel	11:07	915.9	5.7	G25-3-002	HPF	sci	1.47		20.21	0.82	111		Yes
virus0000016_01	parallel	11:07	1959			VIRUS	sci							Yes
0032	parallel	11:24	915.9	0.7	G25-3-002	HPF	sci	1.53		20.10	0.83	104		Yes
0033	LFC Cal	11:41	106.5			HPF	cal							Yes
lrs20000017_01	bias	11:41	0			LRS2	cal							Yes
virus0000017_01	bias	11:42	0			VIRUS	cal							Yes
virus0000018_01	Cd-A	11:44	15		ENG25-3-002	VIRUS	cal							Yes
virus0000019_01	Hg	11:45	15		ENG25-3-002	VIRUS	cal							Yes
virus0006101_01	dark	11:48	10			VIRUS	cal							Yes
virus0000020_01	bias	11:50	0			VIRUS	cal							Yes
virus0000021_01	skyflat	12:14	25			VIRUS	cal							Yes
virus0000022_01	skyflat	12:16	18			VIRUS	cal							Yes
virus0000023_01	skyflat	12:17	15			VIRUS	cal							Yes
lrs20000018_01	skyflat	12:23	30			LRS2	cal							Yes
lrs20000019_01	skyflat	12:25	20			LRS2	cal							Yes
lrs20000020_01	skyflat	12:26	15			LRS2	cal							Yes
0034	Dark	12:30	319.5			HPF	cal							Yes
0035	Quartz FCU	12:42	74.5			HPF	cal							Yes
0036	Quartz FCU	12:43	74.5			HPF	cal							Yes
0037	Quartz FCU	12:45	74.5			HPF	cal							Yes
0038	Quartz FCU	12:47	74.5			HPF	cal							Yes
0039	Quartz FCU	12:49	74.5			HPF	cal							Yes
0040	Quartz FCU	12:51	74.5			HPF	cal							Yes
0041	Quartz FCU	12:52	74.5			HPF	cal							Yes
0042	Alpha Bright Cal	12:55	85.2			HPF	cal							Yes
0043	Alpha Bright Cal	12:57	85.2			HPF	cal							Yes
0044	Alpha Bright Cal	12:59	85.2			HPF	cal							Yes
0045	Alpha Bright Cal	13:00	85.2			HPF	cal							Yes
0046	LFC FCU	13:03	106.5			HPF	cal							Yes
0047	LFC FCU	13:05	106.5			HPF	cal							Yes
0048	LFC FCU	13:08	106.5			HPF	cal							Yes
0049	LFC FCU	13:10	106.5			HPF	cal							Yes
0050	LFC FCU	13:12	106.5			HPF	cal							Yes
0051	LFC FCU	13:15	106.5			HPF	cal							Yes
0052	LFC Cal	13:18	106.5			HPF	cal							Yes
0053	LFC Cal	13:20	106.5			HPF	cal							Yes
0054	Etalon Cal	13:28	159.8			HPF	cal							Yes
0055	Etalon Cal	13:31	159.8			HPF	cal							Yes
0056	Etalon Cal	13:34	159.8			HPF	cal							Yes
0057	Etalon Cal	13:37	159.8			HPF	cal							Yes
0058	UNe Slave Cal	13:41	426			HPF	cal							Yes
0059	UNe Slave Cal	13:49	426			HPF	cal							Yes
0060	UNe Slave Cal	13:56	426			HPF	cal							Yes
0061	UNe Slave Cal	14:04	426			HPF	cal							Yes
0062	UNe Slave Cal	14:12	426			HPF	cal							Yes
0063	UNe Slave Cal	14:20	426			HPF	cal							Yes
0052	LFC Cal	22:53	106.5			HPF	cal							Yes
lrs20009900_01	bias	23:04	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	23:05	20			VIRUS	cal							Yes
virus0009901_01	bias	23:06	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	23:07	20			LRS2	cal							Yes
virus0009902_01	dark	23:08	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	23:09	38			LRS2	cal							Yes
lrs20009903_01	FeAr_R	23:11	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	23:12	15			LRS2	cal							Yes
0053	Dark	23:18	319.5			HPF	cal							Yes
0054	Quartz FCU	23:24	74.5			HPF	cal							Yes
0055	Quartz FCU	23:26	74.5			HPF	cal							Yes
0056	Quartz FCU	23:28	74.5			HPF	cal							Yes
0057	Quartz FCU	23:30	74.5			HPF	cal							Yes
0058	Quartz FCU	23:31	74.5			HPF	cal							Yes
0059	Quartz FCU	23:33	74.5			HPF	cal							Yes
0060	Quartz FCU	23:35	74.5			HPF	cal							Yes
0061	Alpha Bright Cal	23:37	85.2			HPF	cal							Yes
0062	Alpha Bright Cal	23:39	85.2			HPF	cal							Yes
0063	Alpha Bright Cal	23:41	85.2			HPF	cal							Yes
0064	Alpha Bright Cal	23:43	85.2			HPF	cal							Yes
0065	LFC FCU	23:46	106.5			HPF	cal							Yes
0066	LFC FCU	23:48	106.5			HPF	cal							Yes
0067	LFC Cal	23:51	106.5			HPF	cal							Yes
0068	LFC Cal	23:53	106.5			HPF	cal							Yes
0069	Etalon Cal	23:56	159.8			HPF	cal							Yes
0070	UNe Slave Cal	23:59	426			HPF	cal							Yes