HET Night Report Reader

Civil Date	Ephemerides
2026-07-24	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	02:03	02:54	03:28	10:37	11:11	12:02	-	08:20
Night Length	7:09		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator	OPS Engineer	Day Ops
Zach Vanderbosch	Cassie Crowe	-	-

Overlaps		none

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
02:03	23.7	23.4	08:27	twilight	06:24
Total Time Open					6:24

Program	Night Priority	Science
03:28	Science
08:08	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
02:31	02:59	0.40	0.62	-380	-1553	22.3	23.4	23.5	123	9	First of Night
06:28	06:34	0.71	1.41	-100	-726	19.1	20.2	20.3	140	11	Post-Observing
06:34	07:07	0.42	0.64	-390	+719	19.0	19.9	20.2	171	7	Stack/Re-stack

Problem Reports
PR Number	Times	Time Lost	Description	Response
6695	04:05-04:06	00:01	HObS Doesn't Take Automatic Etalon Cals when LFC is Unavailable	Manually running Etalon cals throughout the night in parallel with VIRUS/LRS2 exposures.

Ops Comments	none

TO Comments	Clear until humidity then fog towards EON.

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	00:24	106.5			HPF	cal							Yes
0002	LFC Cal	00:29	106.5			HPF	cal							Yes
0003	Dark	00:33	319.5			HPF	cal							Yes
0004	Quartz FCU	00:40	74.5			HPF	cal							Yes
0005	Quartz FCU	00:41	74.5			HPF	cal							Yes
0006	Quartz FCU	00:43	74.5			HPF	cal							Yes
0007	Quartz FCU	00:45	74.5			HPF	cal							Yes
0008	Quartz FCU	00:47	74.5			HPF	cal							Yes
0009	Quartz FCU	00:48	74.5			HPF	cal							Yes
0010	Quartz FCU	00:50	74.5			HPF	cal							Yes
0011	Alpha Bright Cal	00:53	85.2			HPF	cal							Yes
0012	Alpha Bright Cal	00:55	85.2			HPF	cal							Yes
0013	Alpha Bright Cal	00:56	85.2			HPF	cal							Yes
0014	Alpha Bright Cal	00:58	85.2			HPF	cal							Yes
0015	LFC FCU	01:01	106.5			HPF	cal							Yes
0016	LFC FCU	01:03	106.5			HPF	cal							Yes
0017	LFC Cal	01:06	106.5			HPF	cal							Yes
0018	LFC Cal	01:09	106.5			HPF	cal							Yes
0019	Etalon Cal	01:11	159.8			HPF	cal							Yes
0020	UNe Slave Cal	01:15	426			HPF	cal							Yes
lrs20000001_01	bias	01:16	0			LRS2	cal							Yes
virus0000001_01	bias	01:16	0			VIRUS	cal							Yes
lrs20000001_02	bias	01:16	0			LRS2	cal							Yes
virus0000001_02	bias	01:17	0			VIRUS	cal							Yes
lrs20000001_03	bias	01:17	0			LRS2	cal							Yes
virus0000001_03	bias	01:17	0			VIRUS	cal							Yes
lrs20000001_04	bias	01:18	0			LRS2	cal							Yes
virus0000001_04	bias	01:18	0			VIRUS	cal							Yes
lrs20000001_05	bias	01:19	0			LRS2	cal							Yes
virus0000001_05	bias	01:19	0			VIRUS	cal							Yes
lrs20000001_06	bias	01:20	0			LRS2	cal							Yes
virus0000001_06	bias	01:20	0			VIRUS	cal							Yes
lrs20000001_07	bias	01:21	0			LRS2	cal							Yes
virus0000001_07	bias	01:21	0			VIRUS	cal							Yes
lrs20000001_08	bias	01:21	0			LRS2	cal							Yes
virus0000001_08	bias	01:22	0			VIRUS	cal							Yes
lrs20000001_09	bias	01:22	0			LRS2	cal							Yes
0021	UNe Slave Cal	01:23	426			HPF	cal							Yes
virus0000001_09	bias	01:23	0			VIRUS	cal							Yes
lrs20000001_10	bias	01:23	0			LRS2	cal							Yes
virus0000001_10	bias	01:24	0			VIRUS	cal							Yes
lrs20000001_11	bias	01:24	0			LRS2	cal							Yes
virus0000001_11	bias	01:24	0			VIRUS	cal							Yes
lrs20000002_01	dark	01:25	360			LRS2	cal							Yes
virus0000002_01	dark	01:25	360			VIRUS	cal							Yes
0022	UNe Slave Cal	01:30	426			HPF	cal							Yes
lrs20000002_02	dark	01:32	360			LRS2	cal							Yes
virus0000002_02	dark	01:32	360			VIRUS	cal							Yes
0023	UNe Slave Cal	01:38	426			HPF	cal							Yes
lrs20000002_03	dark	01:39	360			LRS2	cal							Yes
virus0000002_03	dark	01:39	360			VIRUS	cal							Yes
0024	UNe Slave Cal	01:46	426			HPF	cal							Yes
0025	UNe Slave Cal	01:54	426			HPF	cal							Yes
lrs20000003_01	skyflat	02:09	7			LRS2	cal							Yes
lrs20000004_01	skyflat	02:10	10			LRS2	cal							Yes
lrs20000005_01	skyflat	02:11	13			LRS2	cal							Yes
lrs20000006_01	skyflat	02:12	16			LRS2	cal							Yes
lrs20000007_01	skyflat	02:14	22			LRS2	cal							Yes
lrs20000008_01	skyflat	02:15	30			LRS2	cal							Yes
virus0000003_01	skyflat	02:18	7			VIRUS	cal							Yes
virus0000004_01	skyflat	02:20	10			VIRUS	cal							Yes
virus0000005_01	skyflat	02:22	14			VIRUS	cal							Yes
virus0000006_01	skyflat	02:23	18			VIRUS	cal							Yes
virus0000007_01	skyflat	02:25	26			VIRUS	cal							Yes
0026	parallel	03:05	564.5	5.6	UT26-2-009	HPF	sci	1.53	1.09	19.52	0.74	227		P4
virus0000008_01	parallel	03:05	606			VIRUS	sci							Yes
virus0000009_01	parallel	03:19	1200			VIRUS	sci							Yes
lrs20000009_01	parallel	03:20	1200	5.0	PSU26-2-004	LRS2-B	sci	1.43	0.90	19.83	0.73			Yes
virus0000009_02	parallel	03:41	1200			VIRUS	sci							Yes
lrs20000009_02	parallel	03:41	1200	1.0	PSU26-2-004	LRS2-B	sci	1.64	1.25	19.85	0.79			Yes
virus0000010_01	parallel	04:06	8460			VIRUS	sci							Yes
lrs20000010_01	parallel	04:06	8460	5.0	UT26-2-013	LRS2-B	sci	1.99	1.97	19.90	0.78			Yes
0027	Etalon Cal	04:51	159.8			HPF	cal							Yes
0028	Etalon Cal	04:54	159.8			HPF	cal							Yes
0029	Etalon Cal	04:57	159.8			HPF	cal							Yes
0030	Etalon Cal	05:47	159.8			HPF	cal							Yes
0031	Etalon Cal	05:50	159.8			HPF	cal							Yes
0032	Etalon Cal	05:53	159.8			HPF	cal							Yes
0033	Etalon Cal	06:55	159.8			HPF	cal							Yes
0034	Etalon Cal	06:59	159.8			HPF	cal							Yes
0035	Etalon Cal	07:02	159.8			HPF	cal							Yes
0036	HR6744_tell_std	07:14	330.2	6.5		HPF	telluric	2.64	2.16	19.31	0.81			Yes
lrs20000011_01	HD180609_056_W	07:25	30	5.5		LRS2	spec	3.15		20.13	0.78			Yes
lrs20000012_01	HD180609_066_W	07:28	30	3.5		LRS2	spec	2.68		19.92	0.94			Yes
virus0000011_01	parallel	07:34	1000			VIRUS	sci							Yes
lrs20000013_01	parallel	07:34	1000	4.3	PSU26-2-004	LRS2-B	sci	2.18		20.05	0.85		Image quality slightly above 2.2" during second exposure. Please check data quality and reject if needed.	Yes
virus0000011_02	parallel	07:51	1000			VIRUS	sci							Yes
lrs20000013_02	parallel	07:52	1000	1.3	PSU26-2-004	LRS2-B	sci	2.35		20.44	0.86			Yes
virus0000012_01	parallel	08:15	1200			VIRUS	sci							Yes
lrs20000014_01	parallel	08:15	1200	7.0	PSU26-2-004	LRS2-B	sci	2.51		20.98	0.82		Exposure aborted, dome closed for high humidity.	No
0037	Etalon Cal	08:33	159.8			HPF	cal							Yes
0038	Etalon Cal	08:36	159.8			HPF	cal							Yes
0039	Etalon Cal	08:40	159.8			HPF	cal							Yes
0040	Etalon Cal	09:21	159.8			HPF	cal							Yes
0041	Etalon Cal	09:24	159.8			HPF	cal							Yes
0042	Etalon Cal	09:28	159.8			HPF	cal							Yes
lrs20000015_01	bias	10:01	0			LRS2	cal							Yes
virus0000013_01	bias	10:01	0			VIRUS	cal							Yes
virus0000014_01	Cd-A	10:06	15		ENG26-2-002	VIRUS	cal							Yes
virus0000015_01	Hg	10:07	15		ENG26-2-002	VIRUS	cal							Yes
0043	Dark	10:14	319.5			HPF	cal							Yes
0044	Quartz FCU	10:26	74.5			HPF	cal							Yes
0045	Quartz FCU	10:28	74.5			HPF	cal							Yes
0046	Quartz FCU	10:29	74.5			HPF	cal							Yes
0047	Quartz FCU	10:31	74.5			HPF	cal							Yes
0048	Quartz FCU	10:33	74.5			HPF	cal							Yes
0049	Quartz FCU	10:35	74.5			HPF	cal							Yes
0050	Quartz FCU	10:36	74.5			HPF	cal							Yes
0051	Alpha Bright Cal	10:39	85.2			HPF	cal							Yes
0052	Alpha Bright Cal	10:41	85.2			HPF	cal							Yes
0053	Alpha Bright Cal	10:43	85.2			HPF	cal							Yes
0054	Alpha Bright Cal	10:45	85.2			HPF	cal							Yes
0055	Etalon Cal	10:57	159.8			HPF	cal							Yes
0056	Etalon Cal	11:00	159.8			HPF	cal							Yes
0057	Etalon Cal	11:03	159.8			HPF	cal							Yes
0058	Etalon Cal	11:07	159.8			HPF	cal							Yes
0059	UNe Slave Cal	11:10	852			HPF	cal							Yes
0060	UNe Slave Cal	11:25	852			HPF	cal							Yes
0061	UNe Slave Cal	11:40	852			HPF	cal							Yes
lrs20009900_01	bias	22:01	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	22:01	20			VIRUS	cal							Yes
virus0009901_01	bias	22:03	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	22:03	20			LRS2	cal							Yes
virus0009902_01	dark	22:05	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:06	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:07	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:08	15			LRS2	cal							Yes
lrs20000016_01	flat_Qth_R	22:14	15			LRS2	cal							Yes
lrs20000016_02	flat_Qth_R	22:15	15			LRS2	cal							Yes
lrs20000016_03	flat_Qth_R	22:16	15			LRS2	cal							Yes
lrs20000016_04	flat_Qth_R	22:17	15			LRS2	cal							Yes
lrs20000016_05	flat_Qth_R	22:19	15			LRS2	cal							Yes
lrs20000017_01	flat_ldls_long_B	22:20	20			LRS2	cal							Yes
lrs20000017_02	flat_ldls_long_B	22:21	20			LRS2	cal							Yes
lrs20000017_03	flat_ldls_long_B	22:23	20			LRS2	cal							Yes
lrs20000018_01	Cd-A_B	22:24	29			LRS2	cal							Yes
lrs20000018_02	Cd-A_B	22:25	29			LRS2	cal							Yes
lrs20000018_03	Cd-A_B	22:27	29			LRS2	cal							Yes
lrs20000019_01	FeAr_R	22:28	15			LRS2	cal							Yes
lrs20000019_02	FeAr_R	22:30	15			LRS2	cal							Yes
lrs20000019_03	FeAr_R	22:31	15			LRS2	cal							Yes
lrs20000020_01	Hg_R	22:32	20			LRS2	cal							Yes
lrs20000020_02	Hg_R	22:33	20			LRS2	cal							Yes
lrs20000020_03	Hg_R	22:35	20			LRS2	cal							Yes
lrs20000021_01	Hg_B	22:36	15			LRS2	cal							Yes
lrs20000021_02	Hg_B	22:37	15			LRS2	cal							Yes
lrs20000021_03	Hg_B	22:38	15			LRS2	cal							Yes
virus0000021_01	flat_ldls_long	22:45	15			VIRUS	cal							Yes
virus0000021_02	flat_ldls_long	22:47	15			VIRUS	cal							Yes
virus0000021_03	flat_ldls_long	22:48	15			VIRUS	cal							Yes
virus0000022_01	Cd-A	22:49	15			VIRUS	cal							Yes
virus0000022_02	Cd-A	22:51	15			VIRUS	cal							Yes
virus0000022_03	Cd-A	22:52	15			VIRUS	cal							Yes
virus0000023_01	Hg	22:53	15			VIRUS	cal							Yes
virus0000023_02	Hg	22:55	15			VIRUS	cal							Yes
virus0000023_03	Hg	22:56	15			VIRUS	cal							Yes

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