HET Night Report Reader

Civil Date	Ephemerides
2026-07-05	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	02:10	03:03	03:39	10:22	10:58	11:52	05:41	-
Night Length	6:43		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator	OPS Engineer	Day Ops
Sergey Rostopchin	Aiden Dillard	-	-

Overlaps		none

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
02:03	23.8	21.4	06:10	dust	04:07
Total Time Open					4:07

Program	Night Priority	Science
03:39	Idle due to weather (clouds)
03:55	Science
05:21	Idle due to weather (variable seeing, high dust)

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
02:46	03:21	0.65	0.93	-400	-924	23.1	23.2	22.7	78	10	First of Night
↪ Comments			Poor dome seeing.

Problem Reports					no PRs

Ops Comments	none

TO Comments	Closed for half of the night due to high humidity and dust count.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
0001	LFC Cal	00:02	106.5			HPF	cal							Yes
lrs20009900_01	bias	00:15	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	00:16	20			VIRUS	cal							Yes
virus0009901_01	bias	00:17	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	00:18	20			LRS2	cal							Yes
virus0009902_01	dark	00:19	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	00:20	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	00:21	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	00:23	15			LRS2	cal							Yes
0002	Dark	00:26	319.5			HPF	cal							Yes
0003	Quartz FCU	00:33	74.5			HPF	cal							Yes
0004	Quartz FCU	00:34	74.5			HPF	cal							Yes
0005	Quartz FCU	00:36	74.5			HPF	cal							Yes
0006	Quartz FCU	00:38	74.5			HPF	cal							Yes
0007	Quartz FCU	00:40	74.5			HPF	cal							Yes
0008	Quartz FCU	00:42	74.5			HPF	cal							Yes
0009	Quartz FCU	00:43	74.5			HPF	cal							Yes
0010	Alpha Bright Cal	00:46	85.2			HPF	cal							Yes
0011	Alpha Bright Cal	00:48	85.2			HPF	cal							Yes
0012	Alpha Bright Cal	00:50	85.2			HPF	cal							Yes
0013	Alpha Bright Cal	00:52	85.2			HPF	cal							Yes
0014	LFC FCU	00:54	106.5			HPF	cal							Yes
0015	LFC FCU	00:57	106.5			HPF	cal							Yes
0016	LFC Cal	00:59	106.5			HPF	cal							Yes
0017	LFC Cal	01:02	106.5			HPF	cal							Yes
0018	Etalon Cal	01:04	159.8			HPF	cal							Yes
0019	UNe Slave Cal	01:08	426			HPF	cal							Yes
lrs20000001_01	flat_Qth_R	01:09	15			LRS2	cal							Yes
lrs20000001_02	flat_Qth_R	01:10	15			LRS2	cal							Yes
lrs20000001_03	flat_Qth_R	01:12	15			LRS2	cal							Yes
lrs20000001_04	flat_Qth_R	01:13	15			LRS2	cal							Yes
lrs20000001_05	flat_Qth_R	01:14	15			LRS2	cal							Yes
lrs20000002_01	flat_ldls_long_B	01:15	20			LRS2	cal							Yes
0020	UNe Slave Cal	01:16	426			HPF	cal							Yes
lrs20000002_02	flat_ldls_long_B	01:17	20			LRS2	cal							Yes
lrs20000002_03	flat_ldls_long_B	01:18	20			LRS2	cal							Yes
lrs20000003_01	Cd-A_B	01:19	29			LRS2	cal							Yes
lrs20000003_02	Cd-A_B	01:21	29			LRS2	cal							Yes
lrs20000003_03	Cd-A_B	01:22	29			LRS2	cal							Yes
0021	UNe Slave Cal	01:23	426			HPF	cal							Yes
lrs20000004_01	FeAr_R	01:24	15			LRS2	cal							Yes
lrs20000004_02	FeAr_R	01:25	15			LRS2	cal							Yes
lrs20000004_03	FeAr_R	01:26	15			LRS2	cal							Yes
lrs20000005_01	Hg_R	01:27	20			LRS2	cal							Yes
lrs20000005_02	Hg_R	01:29	20			LRS2	cal							Yes
lrs20000005_03	Hg_R	01:30	20			LRS2	cal							Yes
0022	UNe Slave Cal	01:31	426			HPF	cal							Yes
lrs20000006_01	Hg_B	01:31	15			LRS2	cal							Yes
lrs20000006_02	Hg_B	01:32	15			LRS2	cal							Yes
lrs20000006_03	Hg_B	01:34	15			LRS2	cal							Yes
0023	UNe Slave Cal	01:39	426			HPF	cal							Yes
virus0000001_01	flat_ldls_long	01:40	15			VIRUS	cal							Yes
virus0000001_02	flat_ldls_long	01:41	15			VIRUS	cal							Yes
virus0000001_03	flat_ldls_long	01:43	15			VIRUS	cal							Yes
virus0000002_01	Cd-A	01:44	15			VIRUS	cal							Yes
virus0000002_02	Cd-A	01:46	15			VIRUS	cal							Yes
0024	UNe Slave Cal	01:47	426			HPF	cal							Yes
virus0000002_03	Cd-A	01:47	15			VIRUS	cal							Yes
virus0000003_01	Hg	01:48	15			VIRUS	cal							Yes
virus0000003_02	Hg	01:50	15			VIRUS	cal							Yes
virus0000003_03	Hg	01:51	15			VIRUS	cal							Yes
lrs20000007_01	bias	01:53	0			LRS2	cal							Yes
virus0000004_01	bias	01:53	0			VIRUS	cal							Yes
lrs20000007_02	bias	01:53	0			LRS2	cal							Yes
virus0000004_02	bias	01:53	0			VIRUS	cal							Yes
lrs20000007_03	bias	01:54	0			LRS2	cal							Yes
virus0000004_03	bias	01:54	0			VIRUS	cal							Yes
lrs20000007_04	bias	01:55	0			LRS2	cal							Yes
virus0000004_04	bias	01:55	0			VIRUS	cal							Yes
lrs20000007_05	bias	01:56	0			LRS2	cal							Yes
virus0000004_05	bias	01:56	0			VIRUS	cal							Yes
lrs20000007_06	bias	01:57	0			LRS2	cal							Yes
virus0000004_06	bias	01:57	0			VIRUS	cal							Yes
lrs20000007_07	bias	01:58	0			LRS2	cal							Yes
lrs20000007_08	bias	01:58	0			LRS2	cal							Yes
virus0000004_07	bias	01:58	0			VIRUS	cal							Yes
virus0000004_08	bias	01:59	0			VIRUS	cal							Yes
lrs20000007_09	bias	01:59	0			LRS2	cal							Yes
lrs20000007_10	bias	02:00	0			LRS2	cal							Yes
virus0000004_09	bias	02:00	0			VIRUS	cal							Yes
virus0000004_10	bias	02:01	0			VIRUS	cal							Yes
lrs20000007_11	bias	02:01	0			LRS2	cal							Yes
virus0000004_11	bias	02:01	0			VIRUS	cal							Yes
lrs20000008_01	skyflat	02:16	7			LRS2	cal							Yes
lrs20000009_01	skyflat	02:17	10			LRS2	cal							Yes
lrs20000010_01	skyflat	02:19	13			LRS2	cal							Yes
lrs20000011_01	skyflat	02:20	16			LRS2	cal							Yes
lrs20000012_01	skyflat	02:21	22			LRS2	cal							Yes
lrs20000013_01	skyflat	02:22	30			LRS2	cal							Yes
virus0000005_01	skyflat	02:27	7			VIRUS	cal							Yes
virus0000006_01	skyflat	02:28	10			VIRUS	cal							Yes
virus0000007_01	skyflat	02:29	14			VIRUS	cal							Yes
virus0000008_01	skyflat	02:30	18			VIRUS	cal							Yes
virus0000009_01	skyflat	02:32	26			VIRUS	cal							Yes
lrs20000014_01	dark	02:44	360			LRS2	cal							Yes
virus0000010_01	dark	02:44	360			VIRUS	cal							Yes
lrs20000014_02	dark	02:51	360			LRS2	cal							Yes
virus0000010_02	dark	02:51	360			VIRUS	cal							Yes
lrs20000014_03	dark	02:57	360			LRS2	cal							Yes
virus0000010_03	dark	02:58	360			VIRUS	cal							Yes
0025	LFC Cal	03:05	106.5			HPF	cal							Yes
0026	LFC Cal	03:08	106.5			HPF	cal							Yes
0027	LFC Cal	03:10	106.5			HPF	cal							Yes
0028	HR5313_tell_std	03:30	117.2	8.0		HPF	telluric	1.61	0.98	20.54	0.77			Yes
virus0000011_01	parallel	03:38	2000			VIRUS	sci							Yes
0029	parallel	03:39	969.1	6.8	UT26-2-007	HPF	sci	1.53	1.25	20.58	0.34	28	clouds, aborted	No
virus0000012_01	parallel	04:04	1051			VIRUS	sci							Yes
0030	parallel	04:05	308.9	9.9	UT26-2-006	HPF	sci	1.46	1.08	20.77	0.81	188		P4
0031	parallel	04:10	308.9	0.9	UT26-2-006	HPF	sci	1.45	1.03	20.79	0.74	182		P4
0032	parallel	04:16	308.9	-0.1	UT26-2-006	HPF	sci	1.46	1.08	20.76	0.70	168		P4
0033	LFC Cal	04:29	106.5			HPF	cal							Yes
lrs20000015_01	parallel	04:29	1000			LRS2	sci							Yes
virus0000013_01	parallel	04:29	1000	7.3	PSU26-2-003	VIRUS	sci	1.71	1.06	22.01	0.74			Yes
0034	LFC Cal	04:31	106.5			HPF	cal							Yes
0035	LFC Cal	04:33	106.5			HPF	cal							Yes
lrs20000015_02	parallel	04:46	1000			LRS2	sci							Yes
virus0000013_02	parallel	04:46	1000	1.3	PSU26-2-003	VIRUS	sci	1.92	1.19	22.00	0.81			Yes
lrs20000015_03	parallel	05:04	1000			LRS2	sci							Yes
virus0000013_03	parallel	05:04	1000	1.3	PSU26-2-003	VIRUS	sci	2.03	1.27	21.95	0.76			Yes
0036	parallel	05:27	969.1	5.8	UT26-2-007	HPF	sci	1.84	1.18	20.72	0.88	24	variable seeing	No
virus0000014_01	parallel	05:27	2000			VIRUS	sci							Yes
0037	parallel	05:44	969.1	1.8	UT26-2-007	HPF	sci	1.85	1.23	20.45	0.89	23		No
0038	LFC Cal	07:11	106.5			HPF	cal							Yes
0039	LFC Cal	07:13	106.5			HPF	cal							Yes
0040	LFC Cal	07:15	106.5			HPF	cal							Yes
lrs20000016_01	dark	07:36	1800		ENG26-2-002	LRS2	cal							Yes
lrs20000016_02	dark	08:07	1800		ENG26-2-002	LRS2	cal							Yes
lrs20000016_03	dark	08:38	1800		ENG26-2-002	LRS2	cal							Yes
0041	LFC Cal	09:09	106.5			HPF	cal							Yes
0042	LFC Cal	09:11	106.5			HPF	cal							Yes
0043	LFC Cal	09:14	106.5			HPF	cal							Yes
lrs20000017_01	bias	09:50	0			LRS2	cal							Yes
virus0000015_01	bias	09:50	0			VIRUS	cal							Yes
virus0000016_01	Cd-A	09:54	15		ENG26-2-002	VIRUS	cal							Yes
virus0000017_01	Hg	09:56	15		ENG26-2-002	VIRUS	cal							Yes
0044	Dark	10:02	319.5			HPF	cal							Yes
0045	Quartz FCU	10:14	74.5			HPF	cal							Yes
0046	Quartz FCU	10:16	74.5			HPF	cal							Yes
0047	Quartz FCU	10:17	74.5			HPF	cal							Yes
0048	Quartz FCU	10:19	74.5			HPF	cal							Yes
0049	Quartz FCU	10:21	74.5			HPF	cal							Yes
0050	Quartz FCU	10:23	74.5			HPF	cal							Yes
0051	Quartz FCU	10:25	74.5			HPF	cal							Yes
0052	Alpha Bright Cal	10:27	85.2			HPF	cal							Yes
0053	Alpha Bright Cal	10:29	85.2			HPF	cal							Yes
0054	Alpha Bright Cal	10:31	85.2			HPF	cal							Yes
0055	Alpha Bright Cal	10:33	85.2			HPF	cal							Yes
0056	LFC FCU	10:35	106.5			HPF	cal							Yes
0057	LFC FCU	10:38	106.5			HPF	cal							Yes
0058	LFC FCU	10:40	106.5			HPF	cal							Yes
0059	LFC FCU	10:42	106.5			HPF	cal							Yes
0060	LFC FCU	10:45	106.5			HPF	cal							Yes
0061	LFC FCU	10:47	106.5			HPF	cal							Yes
0062	LFC Cal	10:50	106.5			HPF	cal							Yes
0063	LFC Cal	10:52	106.5			HPF	cal							Yes
0064	Etalon Cal	11:00	159.8			HPF	cal							Yes
0065	Etalon Cal	11:03	159.8			HPF	cal							Yes
0066	Etalon Cal	11:06	159.8			HPF	cal							Yes
0067	Etalon Cal	11:09	159.8			HPF	cal							Yes
0068	UNe Slave Cal	11:13	426			HPF	cal							Yes
0069	UNe Slave Cal	11:21	426			HPF	cal							Yes
0070	UNe Slave Cal	11:29	426			HPF	cal							Yes
0071	UNe Slave Cal	11:36	426			HPF	cal							Yes
0072	UNe Slave Cal	11:44	426			HPF	cal							Yes
0073	UNe Slave Cal	11:52	426			HPF	cal							Yes

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