HET Night Report Reader

Civil Date	Ephemerides
2026-07-04	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	02:10	03:03	03:39	10:21	10:57	11:51	05:13	-
Night Length	6:42		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator	OPS Engineer	Day Ops
Sergey Rostopchin	Justen Pautzke	-	-

Overlaps
TO Overlap	RA Overlap
Aiden Dillard	-

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
01:59	23.6	21.6	04:54	clouds	02:55
07:18	20.4	21.4	09:04	clouds	01:46
Total Time Open					4:41

Program	Night Priority	Science
03:39	Science
04:05	Idle due to weather (clouds)
07:13	Science
07:56	Idle due to weather (clouds)

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
02:42	03:24	0.46	0.70	-380	-964	23.5	21.9	21.8	172	9	First of Night

Problem Reports					no PRs

Ops Comments	none

TO Comments	Mostly cloudy, no problems.

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	00:04	106.5			HPF	cal							Yes
lrs20009900_01	bias	00:17	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	00:18	20			VIRUS	cal							Yes
virus0009901_01	bias	00:19	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	00:20	20			LRS2	cal							Yes
virus0009902_01	dark	00:21	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	00:22	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	00:24	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	00:25	15			LRS2	cal							Yes
0002	Dark	00:29	319.5			HPF	cal							Yes
0003	Quartz FCU	00:35	74.5			HPF	cal							Yes
0004	Quartz FCU	00:37	74.5			HPF	cal							Yes
0005	Quartz FCU	00:39	74.5			HPF	cal							Yes
0006	Quartz FCU	00:41	74.5			HPF	cal							Yes
0007	Quartz FCU	00:42	74.5			HPF	cal							Yes
0008	Quartz FCU	00:44	74.5			HPF	cal							Yes
0009	Quartz FCU	00:46	74.5			HPF	cal							Yes
0010	Alpha Bright Cal	00:48	85.2			HPF	cal							Yes
0011	Alpha Bright Cal	00:50	85.2			HPF	cal							Yes
0012	Alpha Bright Cal	00:52	85.2			HPF	cal							Yes
0013	Alpha Bright Cal	00:54	85.2			HPF	cal							Yes
0014	LFC FCU	00:57	106.5			HPF	cal							Yes
0015	LFC FCU	00:59	106.5			HPF	cal							Yes
0016	LFC Cal	01:02	106.5			HPF	cal							Yes
0017	LFC Cal	01:04	106.5			HPF	cal							Yes
0018	Etalon Cal	01:07	159.8			HPF	cal							Yes
0019	UNe Slave Cal	01:11	426			HPF	cal							Yes
lrs20000001_01	flat_Qth_R	01:12	15			LRS2	cal							Yes
lrs20000001_02	flat_Qth_R	01:13	15			LRS2	cal							Yes
lrs20000001_03	flat_Qth_R	01:15	15			LRS2	cal							Yes
lrs20000001_04	flat_Qth_R	01:16	15			LRS2	cal							Yes
lrs20000001_05	flat_Qth_R	01:17	15			LRS2	cal							Yes
0020	UNe Slave Cal	01:18	426			HPF	cal							Yes
lrs20000002_01	flat_ldls_long_B	01:18	20			LRS2	cal							Yes
lrs20000002_02	flat_ldls_long_B	01:20	20			LRS2	cal							Yes
lrs20000002_03	flat_ldls_long_B	01:21	20			LRS2	cal							Yes
lrs20000003_01	Cd-A_B	01:22	29			LRS2	cal							Yes
lrs20000003_02	Cd-A_B	01:24	29			LRS2	cal							Yes
lrs20000003_03	Cd-A_B	01:25	29			LRS2	cal							Yes
0021	UNe Slave Cal	01:26	426			HPF	cal							Yes
lrs20000004_01	FeAr_R	01:27	15			LRS2	cal							Yes
lrs20000004_02	FeAr_R	01:28	15			LRS2	cal							Yes
lrs20000004_03	FeAr_R	01:29	15			LRS2	cal							Yes
lrs20000005_01	Hg_R	01:30	20			LRS2	cal							Yes
lrs20000005_02	Hg_R	01:32	20			LRS2	cal							Yes
lrs20000005_03	Hg_R	01:33	20			LRS2	cal							Yes
0022	UNe Slave Cal	01:34	426			HPF	cal							Yes
lrs20000006_01	Hg_B	01:34	15			LRS2	cal							Yes
lrs20000006_02	Hg_B	01:35	15			LRS2	cal							Yes
lrs20000006_03	Hg_B	01:37	15			LRS2	cal							Yes
0023	UNe Slave Cal	01:42	426			HPF	cal							Yes
virus0000001_01	flat_ldls_long	01:43	15			VIRUS	cal							Yes
virus0000001_02	flat_ldls_long	01:45	15			VIRUS	cal							Yes
virus0000001_03	flat_ldls_long	01:46	15			VIRUS	cal							Yes
virus0000002_01	Cd-A	01:47	15			VIRUS	cal							Yes
0024	UNe Slave Cal	01:49	426			HPF	cal							Yes
virus0000002_02	Cd-A	01:49	15			VIRUS	cal							Yes
virus0000002_03	Cd-A	01:50	15			VIRUS	cal							Yes
virus0000003_01	Hg	01:51	15			VIRUS	cal							Yes
virus0000003_02	Hg	01:53	15			VIRUS	cal							Yes
virus0000003_03	Hg	01:54	15			VIRUS	cal							Yes
0025	twilight	02:07	298.2			HPF	cal					392		Yes
lrs20000007_01	skyflat	02:16	7			LRS2	cal							Yes
lrs20000008_01	skyflat	02:17	10			LRS2	cal							Yes
lrs20000009_01	skyflat	02:18	13			LRS2	cal							Yes
lrs20000010_01	skyflat	02:19	16			LRS2	cal							Yes
lrs20000011_01	skyflat	02:20	22			LRS2	cal							Yes
lrs20000012_01	skyflat	02:22	30			LRS2	cal							Yes
virus0000004_01	skyflat	02:26	7			VIRUS	cal							Yes
virus0000005_01	skyflat	02:27	10			VIRUS	cal							Yes
virus0000006_01	skyflat	02:28	14			VIRUS	cal							Yes
virus0000007_01	skyflat	02:30	18			VIRUS	cal							Yes
virus0000008_01	skyflat	02:31	26			VIRUS	cal							Yes
0026	LFC Cal	02:33	106.5			HPF	cal							Yes
0027	LFC Cal	02:35	106.5			HPF	cal							Yes
0028	LFC Cal	02:38	106.5			HPF	cal							Yes
virus0000009_01	parallel	03:31	2000			VIRUS	sci							Yes
0029	parallel	03:32	969.1	6.8	UT26-2-007	HPF	sci	1.54	1.56	20.49	0.77	47		Yes
0030	parallel	03:49	969.1	0.8	UT26-2-007	HPF	sci	1.70	1.31	20.39	0.74	38		Yes
0031	LFC Cal	04:14	106.5			HPF	cal							Yes
lrs20000013_01	parallel	04:14	1000			LRS2	sci							Yes
virus0000010_01	parallel	04:14	1000	9.3	PSU26-2-003	VIRUS	sci	1.55	1.19	22.04	0.67		clouds	No
0032	LFC Cal	04:17	106.5			HPF	cal							Yes
0033	LFC Cal	04:19	106.5			HPF	cal							Yes
lrs20000013_02	parallel	04:32	1000			LRS2	sci							Yes
virus0000010_02	parallel	04:32	1000	1.3	PSU26-2-003	VIRUS	sci	1.46	1.22	21.82	0.15			No
lrs20000013_03	parallel	04:50	1000			LRS2	sci							Yes
virus0000010_03	parallel	04:50	1000	1.3	PSU26-2-003	VIRUS	sci		1.24					No
0034	LFC Cal	07:12	106.5			HPF	cal							Yes
0035	LFC Cal	07:14	106.5			HPF	cal							Yes
0036	LFC Cal	07:16	106.5			HPF	cal							Yes
0037	LFC Cal	07:19	106.5			HPF	cal							Yes
virus0000011_01	parallel	07:19	900			VIRUS	sci							Yes
lrs20000014_01	parallel	07:19	900	6.0	PSU26-2-004	LRS2-B	sci	1.30	0.90	19.85	0.82			Yes
0038	LFC Cal	07:21	106.5			HPF	cal							Yes
0039	LFC Cal	07:23	106.5			HPF	cal							Yes
0040	parallel	07:40	969.1	5.8	UT26-2-019	HPF	sci	1.34	0.94	19.38	0.70	439		P4
virus0000012_01	parallel	07:40	1000			VIRUS	sci							Yes
0041	LFC Cal	07:58	106.5			HPF	cal							Yes
0042	parallel	08:08	308.9	4.9	UT26-2-004	HPF	sci	1.34	0.97	17.55	0.60	158	clouds	No
virus0000013_01	parallel	08:08	1401.4			VIRUS	sci							Yes
0043	parallel	08:14	308.9	0.9	UT26-2-004	HPF	sci	1.57	0.95	17.90	0.65	138		No
0044	parallel	08:20	308.9	0.9	UT26-2-004	HPF	sci	1.57	1.30	16.93	0.22	70		No
0045	parallel	08:26	308.9	0.9	UT26-2-004	HPF	sci	1.61	1.06	16.90	0.21	20		No
lrs20000015_01	bias	09:47	0			LRS2	cal							Yes
virus0000014_01	bias	09:48	0			VIRUS	cal							Yes
virus0000015_01	Cd-A	09:52	15		ENG26-2-002	VIRUS	cal							Yes
virus0000016_01	Hg	09:53	15		ENG26-2-002	VIRUS	cal							Yes
0046	Dark	10:01	319.5			HPF	cal							Yes
0047	Quartz FCU	10:12	74.5			HPF	cal							Yes
0048	Quartz FCU	10:14	74.5			HPF	cal							Yes
0049	Quartz FCU	10:16	74.5			HPF	cal							Yes
0050	Quartz FCU	10:18	74.5			HPF	cal							Yes
0051	Quartz FCU	10:20	74.5			HPF	cal							Yes
0052	Quartz FCU	10:21	74.5			HPF	cal							Yes
0053	Quartz FCU	10:23	74.5			HPF	cal							Yes
0054	Alpha Bright Cal	10:25	85.2			HPF	cal							Yes
0055	Alpha Bright Cal	10:27	85.2			HPF	cal							Yes
0056	Alpha Bright Cal	10:29	85.2			HPF	cal							Yes
0057	Alpha Bright Cal	10:31	85.2			HPF	cal							Yes
0058	LFC FCU	10:34	106.5			HPF	cal							Yes
0059	LFC FCU	10:36	106.5			HPF	cal							Yes
0060	LFC FCU	10:39	106.5			HPF	cal							Yes
0061	LFC FCU	10:41	106.5			HPF	cal							Yes
0062	LFC FCU	10:43	106.5			HPF	cal							Yes
0063	LFC FCU	10:45	106.5			HPF	cal							Yes
0064	LFC Cal	10:48	106.5			HPF	cal							Yes
0065	LFC Cal	10:51	106.5			HPF	cal							Yes
lrs20000016_01	bias	10:55	0			LRS2	cal							Yes
virus0000017_01	bias	10:55	0			VIRUS	cal							Yes
lrs20000016_02	bias	10:56	0			LRS2	cal							Yes
virus0000017_02	bias	10:56	0			VIRUS	cal							Yes
lrs20000016_03	bias	10:56	0			LRS2	cal							Yes
virus0000017_03	bias	10:57	0			VIRUS	cal							Yes
lrs20000016_04	bias	10:57	0			LRS2	cal							Yes
virus0000017_04	bias	10:58	0			VIRUS	cal							Yes
lrs20000016_05	bias	10:58	0			LRS2	cal							Yes
0066	Etalon Cal	10:58	159.8			HPF	cal							Yes
virus0000017_05	bias	10:58	0			VIRUS	cal							Yes
lrs20000016_06	bias	10:59	0			LRS2	cal							Yes
virus0000017_06	bias	10:59	0			VIRUS	cal							Yes
lrs20000016_07	bias	11:00	0			LRS2	cal							Yes
virus0000017_07	bias	11:00	0			VIRUS	cal							Yes
lrs20000016_08	bias	11:01	0			LRS2	cal							Yes
virus0000017_08	bias	11:01	0			VIRUS	cal							Yes
0067	Etalon Cal	11:02	159.8			HPF	cal							Yes
lrs20000016_09	bias	11:02	0			LRS2	cal							Yes
virus0000017_09	bias	11:02	0			VIRUS	cal							Yes
lrs20000016_10	bias	11:02	0			LRS2	cal							Yes
virus0000017_10	bias	11:03	0			VIRUS	cal							Yes
lrs20000016_11	bias	11:03	0			LRS2	cal							Yes
virus0000017_11	bias	11:04	0			VIRUS	cal							Yes
lrs20000017_01	dark	11:04	360			LRS2	cal							Yes
0068	Etalon Cal	11:05	159.8			HPF	cal							Yes
virus0000018_01	dark	11:05	360			VIRUS	cal							Yes
0069	Etalon Cal	11:08	159.8			HPF	cal							Yes
lrs20000017_02	dark	11:11	360			LRS2	cal							Yes
virus0000018_02	dark	11:11	360			VIRUS	cal							Yes
0070	UNe Slave Cal	11:12	426			HPF	cal							Yes
lrs20000017_03	dark	11:18	360			LRS2	cal							Yes
virus0000018_03	dark	11:18	360			VIRUS	cal							Yes
0071	UNe Slave Cal	11:19	426			HPF	cal							Yes
0072	UNe Slave Cal	11:27	426			HPF	cal							Yes
0073	UNe Slave Cal	11:35	426			HPF	cal							Yes
0074	UNe Slave Cal	11:43	426			HPF	cal							Yes
0075	UNe Slave Cal	11:50	426			HPF	cal							Yes

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