HET Night Report Reader

Civil Date	Ephemerides
2026-10-24	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	00:22	01:07	01:35	11:44	12:12	12:59	-	12:27
Night Length	10:09		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
00:21	15.6	13.9	01:35	clouds	01:14
02:01	13.6	14.5	02:14	radar	00:13
08:12	15.1	14.1	09:43	clouds	01:31
Total Time Open					2:58

Program	Night Priority	Science
01:35	Idle due to weather (clouds, high RH)
02:04	Science
02:12	Idle due to weather (clouds)
08:15	Science
08:56	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
00:46	01:17	0.38	0.59	-400	+42187	14.7	14.7	14.4	161	12	First of Night

Problem Reports
PR Number	Times	Time Lost	Description	Response
6186	00:35-00:35	00:00	PAS crash due to duplicated message handler	Restarted PAS
6503	10:42-10:42	00:00	Dome Shutter Communication Lost	Moved dome to CCAS and it regained communication.

Ops Comments	none

TO Comments	Cloudy and humid for most of the night.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
0001	UNe Slave Cal	00:00	426			HPF	cal							Yes
virus0000016_01	Cd-A	00:00	15			VIRUS	cal							Yes
virus0000016_02	Cd-A	00:01	15			VIRUS	cal							Yes
virus0000016_03	Cd-A	00:03	15			VIRUS	cal							Yes
virus0000017_01	Hg	00:04	15			VIRUS	cal							Yes
virus0000017_02	Hg	00:06	15			VIRUS	cal							Yes
virus0000017_03	Hg	00:07	15			VIRUS	cal							Yes
lrs20000001_01	bias	00:08	0			LRS2	cal							Yes
virus0000001_01	bias	00:08	0			VIRUS	cal							Yes
lrs20000001_02	bias	00:09	0			LRS2	cal							Yes
virus0000001_02	bias	00:09	0			VIRUS	cal							Yes
lrs20000001_03	bias	00:10	0			LRS2	cal							Yes
virus0000001_03	bias	00:10	0			VIRUS	cal							Yes
lrs20000001_04	bias	00:11	0			LRS2	cal							Yes
virus0000001_04	bias	00:11	0			VIRUS	cal							Yes
lrs20000001_05	bias	00:12	0			LRS2	cal							Yes
virus0000001_05	bias	00:12	0			VIRUS	cal							Yes
lrs20000001_06	bias	00:13	0			LRS2	cal							Yes
lrs20000001_07	bias	00:13	0			LRS2	cal							Yes
virus0000001_06	bias	00:13	0			VIRUS	cal							Yes
virus0000001_07	bias	00:14	0			VIRUS	cal							Yes
lrs20000001_08	bias	00:14	0			LRS2	cal							Yes
virus0000001_08	bias	00:15	0			VIRUS	cal							Yes
lrs20000001_09	bias	00:15	0			LRS2	cal							Yes
virus0000001_09	bias	00:15	0			VIRUS	cal							Yes
lrs20000001_10	bias	00:16	0			LRS2	cal							Yes
virus0000001_10	bias	00:16	0			VIRUS	cal							Yes
lrs20000001_11	bias	00:17	0			LRS2	cal							Yes
virus0000001_11	bias	00:17	0			VIRUS	cal							Yes
lrs20000002_01	skyflat	00:26	7			LRS2	cal							Yes
lrs20000003_01	skyflat	00:28	10			LRS2	cal							Yes
lrs20000004_01	skyflat	00:29	13			LRS2	cal							Yes
lrs20000005_01	skyflat	00:30	16			LRS2	cal							Yes
lrs20000006_01	skyflat	00:31	22			LRS2	cal							Yes
lrs20000007_01	skyflat	00:32	30			LRS2	cal							Yes
virus0000002_01	skyflat	00:35	7			VIRUS	cal							Yes
virus0000003_01	skyflat	00:36	10			VIRUS	cal							Yes
virus0000004_01	skyflat	00:38	14			VIRUS	cal							Yes
virus0000005_01	skyflat	00:39	18			VIRUS	cal							Yes
virus0000006_01	skyflat	00:40	26			VIRUS	cal							Yes
lrs20000008_01	dark	00:45	360			LRS2	cal							Yes
virus0000007_01	dark	00:45	360			VIRUS	cal							Yes
lrs20000008_02	dark	00:52	360			LRS2	cal							Yes
virus0000007_02	dark	00:52	360			VIRUS	cal							Yes
lrs20000008_03	dark	00:59	360			LRS2	cal							Yes
virus0000007_03	dark	00:59	360			VIRUS	cal							Yes
lrs20000009_01	HD180609_056_W	01:23	90	5.5		LRS2	spec	1.66		18.41	0.56			Yes
lrs20000010_01	HD180609_066_W	01:28	90	2.5		LRS2	spec	1.52		17.77	0.48			Yes
0002	HR7017_tell_std	02:07	330.2	2.5		HPF	telluric	1.95		18.13	0.68			Yes
0003	Etalon Cal	02:14	159.8			HPF	cal							Yes
0004	Etalon Cal	02:17	159.8			HPF	cal							Yes
0005	Etalon Cal	02:20	159.8			HPF	cal							Yes
0006	Etalon Cal	02:24	159.8			HPF	cal							Yes
0007	Etalon Cal	02:27	159.8			HPF	cal							Yes
0008	Etalon Cal	04:27	159.8			HPF	cal							Yes
0009	Etalon Cal	04:30	159.8			HPF	cal							Yes
0010	Etalon Cal	04:33	159.8			HPF	cal							Yes
0011	QID 188	08:20	585.8	5.2	UT26-3-002	HPF	sci	1.61		18.92		398		Yes
virus0000008_01	parallel	08:20	1254.5			VIRUS	sci							Yes
0012	QID 188	08:31	585.8	1.2	UT26-3-002	HPF	sci	1.57		18.95	1.02	397		Yes
0013	QID 189	08:49	372.8	8.8	UT26-3-002	HPF	sci	1.60		18.99	0.88	394		Yes
virus0000009_01	parallel	08:49	414.3			VIRUS	sci							Yes
virus0000010_01	parallel	09:35	2000			VIRUS	eng							Yes
0014	Teegarden	09:36	969.1	6.8	ENG26-3-000	HPF	eng	1.74		16.23	0.65	81	clouds	No
0015	LFC Cal	09:54	106.5			HPF	cal							Yes
0016	Etalon Cal	10:04	159.8			HPF	cal							Yes
0017	Etalon Cal	10:07	159.8			HPF	cal							Yes
0018	Etalon Cal	10:10	159.8			HPF	cal							Yes
lrs20000011_01	bias	10:30	0			LRS2	cal							Yes
virus0000011_01	bias	10:31	0			VIRUS	cal							Yes
virus0000012_01	Cd-A	10:35	15		ENG26-3-002	VIRUS	cal							Yes
virus0000013_01	Hg	10:37	15		ENG26-3-002	VIRUS	cal							Yes
0019	Dark	10:43	319.5			HPF	cal							Yes
0020	Quartz FCU	10:55	74.5			HPF	cal							Yes
0021	Quartz FCU	10:56	74.5			HPF	cal							Yes
0022	Quartz FCU	10:58	74.5			HPF	cal							Yes
0023	Quartz FCU	11:00	74.5			HPF	cal							Yes
0024	Quartz FCU	11:02	74.5			HPF	cal							Yes
0025	Quartz FCU	11:04	74.5			HPF	cal							Yes
0026	Quartz FCU	11:05	74.5			HPF	cal							Yes
0027	Alpha Bright Cal	11:07	85.2			HPF	cal							Yes
0028	Alpha Bright Cal	11:09	85.2			HPF	cal							Yes
0029	Alpha Bright Cal	11:11	85.2			HPF	cal							Yes
0030	Alpha Bright Cal	11:13	85.2			HPF	cal							Yes
0031	Etalon Cal	11:26	159.8			HPF	cal							Yes
0032	Etalon Cal	11:29	159.8			HPF	cal							Yes
0033	Etalon Cal	11:32	159.8			HPF	cal							Yes
0034	Etalon Cal	11:35	159.8			HPF	cal							Yes
0035	UNe Slave Cal	11:39	852			HPF	cal							Yes
0036	UNe Slave Cal	11:54	852			HPF	cal							Yes
0037	UNe Slave Cal	12:09	852			HPF	cal							Yes
0042	Etalon Cal	22:14	159.8			HPF	cal							Yes
lrs20009900_01	bias	22:17	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	22:18	20			VIRUS	cal							Yes
virus0009901_01	bias	22:19	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	22:20	20			LRS2	cal							Yes
virus0009902_01	dark	22:21	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:22	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:24	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:25	15			LRS2	cal							Yes
0043	Dark	22:30	319.5			HPF	cal							Yes
0044	Quartz FCU	22:36	74.5			HPF	cal							Yes
0045	Quartz FCU	22:38	74.5			HPF	cal							Yes
0046	Quartz FCU	22:40	74.5			HPF	cal							Yes
0047	Quartz FCU	22:42	74.5			HPF	cal							Yes
0048	Quartz FCU	22:44	74.5			HPF	cal							Yes
0049	Quartz FCU	22:45	74.5			HPF	cal							Yes
0050	Quartz FCU	22:47	74.5			HPF	cal							Yes
0051	Alpha Bright Cal	22:49	85.2			HPF	cal							Yes
0052	Alpha Bright Cal	22:51	85.2			HPF	cal							Yes
0053	Alpha Bright Cal	22:53	85.2			HPF	cal							Yes
0054	Alpha Bright Cal	22:55	85.2			HPF	cal							Yes
0055	Etalon Cal	23:07	159.8			HPF	cal							Yes
0056	Etalon Cal	23:11	159.8			HPF	cal							Yes
0057	Etalon Cal	23:14	159.8			HPF	cal							Yes
0058	Etalon Cal	23:17	159.8			HPF	cal							Yes
0059	UNe Slave Cal	23:21	426			HPF	cal							Yes
lrs20000019_01	flat_Qth_R	23:24	15			LRS2	cal							Yes
lrs20000019_02	flat_Qth_R	23:25	15			LRS2	cal							Yes
lrs20000019_03	flat_Qth_R	23:27	15			LRS2	cal							Yes
lrs20000019_04	flat_Qth_R	23:28	15			LRS2	cal							Yes
0060	UNe Slave Cal	23:28	426			HPF	cal							Yes
lrs20000019_05	flat_Qth_R	23:29	15			LRS2	cal							Yes
lrs20000020_01	flat_ldls_long_B	23:30	20			LRS2	cal							Yes
lrs20000020_02	flat_ldls_long_B	23:32	20			LRS2	cal							Yes
lrs20000020_03	flat_ldls_long_B	23:33	20			LRS2	cal							Yes
lrs20000021_01	Cd-A_B	23:34	29			LRS2	cal							Yes
0061	UNe Slave Cal	23:36	426			HPF	cal							Yes
lrs20000021_02	Cd-A_B	23:36	29			LRS2	cal							Yes
lrs20000021_03	Cd-A_B	23:37	29			LRS2	cal							Yes
lrs20000022_01	FeAr_R	23:39	15			LRS2	cal							Yes
lrs20000022_02	FeAr_R	23:40	15			LRS2	cal							Yes
lrs20000022_03	FeAr_R	23:41	15			LRS2	cal							Yes
lrs20000023_01	Hg_R	23:42	20			LRS2	cal							Yes
0062	UNe Slave Cal	23:44	426			HPF	cal							Yes
lrs20000023_02	Hg_R	23:44	20			LRS2	cal							Yes
lrs20000023_03	Hg_R	23:45	20			LRS2	cal							Yes
lrs20000024_01	Hg_B	23:46	15			LRS2	cal							Yes
lrs20000024_02	Hg_B	23:47	15			LRS2	cal							Yes
lrs20000024_03	Hg_B	23:49	15			LRS2	cal							Yes
0063	UNe Slave Cal	23:52	426			HPF	cal							Yes
virus0000015_01	flat_ldls_long	23:56	15			VIRUS	cal							Yes
virus0000015_02	flat_ldls_long	23:57	15			VIRUS	cal							Yes
virus0000015_03	flat_ldls_long	23:59	15			VIRUS	cal							Yes

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