HET Night Report Reader

Civil Date	Ephemerides
2026-09-08	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:17	02:02	02:31	11:15	11:44	12:30	11:03	-
Night Length	8:44		Sunset Temperature

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

Overlaps
TO Overlap	RA Overlap
-	Justen Pautzke

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
01:12	23.3	22.2	10:49	clouds	09:37
Total Time Open					9:37

Program	Night Priority	Science
02:31	Science
05:13	Idle due to weather (queue hole)
05:22	Science
07:28	Idle due to weather (clouds)
08:12	Science
10:00	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
01:46	02:11	0.40	0.62	-417	+113	23.4	22.9	22.5	124	9	First of Night
07:28	07:58	0.38	0.57	-400	+1356	20.7	20.8	20.8	181	15	Stack/Re-stack

Problem Reports
PR Number	Times	Time Lost	Description	Response
6718	01:46-01:46	00:00	All-Sky Camera Offline	Monitored the sky conditions by other means

Ops Comments	none

TO Comments	All-sky camera not working. Unable to perform an EON stack due to poor weather.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
0001	twilight	01:15	298.2			HPF	cal					307		Yes
lrs20000001_01	skyflat	01:21	7			LRS2	cal							Yes
lrs20000002_01	skyflat	01:23	10			LRS2	cal							Yes
lrs20000003_01	skyflat	01:24	13			LRS2	cal							Yes
lrs20000004_01	skyflat	01:25	16			LRS2	cal							Yes
lrs20000005_01	skyflat	01:26	22			LRS2	cal							Yes
lrs20000006_01	skyflat	01:27	30			LRS2	cal							Yes
virus0000001_01	skyflat	01:30	7			VIRUS	cal							Yes
virus0000002_01	skyflat	01:31	10			VIRUS	cal							Yes
virus0000003_01	skyflat	01:33	14			VIRUS	cal							Yes
virus0000004_01	skyflat	01:34	18			VIRUS	cal							Yes
virus0000005_01	skyflat	01:35	26			VIRUS	cal							Yes
0002	LFC Cal	01:56	106.5			HPF	cal							Yes
0003	LFC Cal	01:58	106.5			HPF	cal							Yes
0004	LFC Cal	02:01	106.5			HPF	cal							Yes
virus0000006_01	parallel	02:17	1658.1			VIRUS	sci							Yes
0005	QID 1004	02:18	511.2	6.5	UT26-3-001	HPF	sci	1.41	1.04	20.23	0.83	195		Yes
0006	QID 1004	02:27	511.2	0.5	UT26-3-001	HPF	sci	1.37	1.01	20.29	0.81	190		Yes
0007	QID 1004	02:36	511.2	1.5	UT26-3-001	HPF	sci	1.30	1.01	20.30	0.73	170		Yes
lrs20000007_01	P330E_056_W	02:50	180	5.0		LRS2	spec	1.56	0.95	21.87	0.83			Yes
lrs20000008_01	P330E_066_W	02:56	180	3.0		LRS2	spec	1.46	0.95	20.92	0.91			Yes
virus0000007_01	P330E_042_W	03:03	60	4.0		VIRUS	spec	1.45	0.86	22.01	0.81			Yes
virus0000007_02	P330E_042_W	03:05	60	1.0		VIRUS	spec	1.40	0.86	21.98	0.77			Yes
virus0000007_03	P330E_042_W	03:07	60	1.0		VIRUS	spec	1.31	0.95	21.93	0.79			Yes
0008	HR6110_tell_std	03:12	330.2	4.5		HPF	telluric	1.38	0.77	20.27	0.87			Yes
virus0000008_01	parallel	03:24	1945.7			VIRUS	sci							Yes
0009	QID 795	03:25	617.7	6.7	UT26-3-001	HPF	sci	1.44	1.10	20.92	0.79	147		P4
0010	QID 795	03:36	617.7	0.7	UT26-3-001	HPF	sci	1.43	0.87	20.96	0.82	162		P4
0011	QID 795	03:47	617.7	0.7	UT26-3-001	HPF	sci	1.40	0.91	20.91	0.83	168		P4
virus0000009_01	parallel	04:02	1051			VIRUS	sci							Yes
0012	QID 791	04:03	308.9	5.9	UT26-3-001	HPF	sci	1.27	0.92	20.28	0.90	232		P4
0013	QID 791	04:09	308.9	0.9	UT26-3-001	HPF	sci	1.31	1.01	20.25	0.87	221		P4
0014	QID 791	04:14	308.9	0.9	UT26-3-001	HPF	sci	1.32	1.06	20.27	0.80	208		P4
0015	LFC Cal	04:24	106.5			HPF	cal							Yes
virus0000010_01	parallel	04:24	1800			VIRUS	sci							Yes
lrs20000009_01	QID 130	04:24	1800	4.0	UT26-3-013	LRS2-B	sci	1.49	1.06	21.79	0.83			Yes
0016	LFC Cal	04:27	106.5			HPF	cal							Yes
0017	LFC Cal	04:29	106.5			HPF	cal							Yes
0018	LFC Cal	04:58	106.5			HPF	cal							Yes
virus0000011_01	parallel	04:58	900			VIRUS	sci							Yes
lrs20000010_01	QID 131	04:58	900	4.0	UT26-3-013	LRS2-R	sci	1.56	1.10	20.79	1.03			Yes
0019	LFC Cal	05:00	106.5			HPF	cal							Yes
0020	LFC Cal	05:03	106.5			HPF	cal							Yes
lrs20000011_01	parallel	05:25	360			LRS2	sci							Yes
0021	LFC Cal	05:26	106.5			HPF	cal							Yes
virus0000012_01	QID 842	05:26	360	4.0	UT26-3-014	VIRUS	sci	1.65	1.18	21.82	0.73			Yes
0022	LFC Cal	05:28	106.5			HPF	cal							Yes
lrs20000011_02	parallel	05:33	360			LRS2	sci							Yes
virus0000012_02	QID 842	05:33	360	1.0	UT26-3-014	VIRUS	sci	1.65	0.95	21.84	0.71			Yes
lrs20000011_03	parallel	05:40	360			LRS2	sci							Yes
virus0000012_03	QID 842	05:40	360	1.0	UT26-3-014	VIRUS	sci	1.80	1.24	21.85	0.73			Yes
0023	LFC Cal	05:50	106.5			HPF	cal							Yes
lrs20000012_01	parallel	05:50	360			LRS2	sci							Yes
virus0000013_01	QID 837	05:50	360	4.0	UT26-3-014	VIRUS	sci	1.83	1.36	21.74	0.78			Yes
0024	LFC Cal	05:53	106.5			HPF	cal							Yes
lrs20000012_02	parallel	05:57	360			LRS2	sci							Yes
virus0000013_02	QID 837	05:57	360	1.0	UT26-3-014	VIRUS	sci	1.70	1.10	21.75	0.79			Yes
lrs20000012_03	parallel	06:05	360			LRS2	sci							Yes
virus0000013_03	QID 837	06:05	360	2.0	UT26-3-014	VIRUS	sci	1.55	0.95	21.75	0.80			Yes
0025	LFC Cal	06:14	106.5			HPF	cal							Yes
lrs20000013_01	parallel	06:14	360			LRS2	sci							Yes
virus0000014_01	QID 847	06:14	360	3.0	UT26-3-014	VIRUS	sci	1.79	0.83	21.82	0.80			Yes
0026	LFC Cal	06:17	106.5			HPF	cal							Yes
lrs20000013_02	parallel	06:21	360			LRS2	sci							Yes
virus0000014_02	QID 847	06:21	360	1.0	UT26-3-014	VIRUS	sci	1.64	0.81	21.84	0.79			Yes
lrs20000013_03	parallel	06:29	360			LRS2	sci							Yes
virus0000014_03	QID 847	06:29	360	2.0	UT26-3-014	VIRUS	sci	1.49	0.74	21.84	0.77			Yes
0027	LFC Cal	06:39	106.5			HPF	cal							Yes
virus0000015_01	parallel	06:39	1800			VIRUS	sci							Yes
lrs20000014_01	QID 142	06:39	1800	4.0	UT26-3-013	LRS2-B	sci	1.36	0.89	21.87	1.12			Yes
0028	LFC Cal	06:42	106.5			HPF	cal							Yes
0029	LFC Cal	06:44	106.5			HPF	cal							Yes
virus0000016_01	parallel	07:12	900			VIRUS	sci							Yes
0030	LFC Cal	07:13	106.5			HPF	cal							Yes
lrs20000015_01	QID 143	07:13	900	4.0	UT26-3-013	LRS2-R	sci	1.68	1.34	20.96	0.67		clouds at the end of exposure	Yes
0031	LFC Cal	07:15	106.5			HPF	cal							Yes
0032	LFC Cal	07:17	106.5			HPF	cal							Yes
0033	LFC Cal	08:17	106.5			HPF	cal							Yes
virus0000017_01	parallel	08:17	1800			VIRUS	sci							Yes
lrs20000016_01	QID 116	08:17	1800	5.0	UT26-3-013	LRS2-B	sci	1.48	1.19	21.99	0.76			Yes
0034	LFC Cal	08:19	106.5			HPF	cal							Yes
0035	LFC Cal	08:22	106.5			HPF	cal							Yes
virus0000018_01	parallel	08:50	900			VIRUS	sci							Yes
0036	LFC Cal	08:51	106.5			HPF	cal							Yes
lrs20000017_01	QID 117	08:51	900	4.0	UT26-3-013	LRS2-R	sci	1.53	2.67	21.01	0.96			Yes
0037	LFC Cal	08:53	106.5			HPF	cal							Yes
0038	LFC Cal	08:55	106.5			HPF	cal							Yes
0039	LFC Cal	09:12	106.5			HPF	cal							Yes
virus0000019_01	parallel	09:12	1800			VIRUS	sci							Yes
lrs20000018_01	QID 126	09:12	1800	6.0	UT26-3-013	LRS2-B	sci	1.47	1.10	21.91	0.75			Yes
0040	LFC Cal	09:15	106.5			HPF	cal							Yes
0041	LFC Cal	09:17	106.5			HPF	cal							Yes
virus0000020_01	parallel	09:45	900			VIRUS	sci							Yes
lrs20000019_01	QID 127	09:45	900	3.0	UT26-3-013	LRS2-R	sci	1.52	1.13	21.16	0.90			Yes
0042	LFC Cal	09:46	106.5			HPF	cal							Yes
0043	LFC Cal	09:48	106.5			HPF	cal							Yes
0044	LFC Cal	09:50	106.5			HPF	cal							Yes
0045	LFC Cal	10:05	106.5			HPF	cal							Yes
virus0000021_01	parallel	10:05	300			VIRUS	sci							Yes
lrs20000020_01	QID 1028	10:05	300	5.0	UT26-3-010	LRS2-B	sci	1.61	1.32	22.01	0.72		clouds	No
0046	LFC Cal	10:08	106.5			HPF	cal							Yes
lrs20000021_01	parallel	10:25	360			LRS2	sci							Yes
virus0000022_01	QID 555	10:25	360	4.0	PSU26-3-011	VIRUS	sci	1.75	1.45	22.20	0.77		clouds	No
0047	LFC Cal	10:26	106.5			HPF	cal							Yes
0048	LFC Cal	10:28	106.5			HPF	cal							Yes
lrs20000021_02	parallel	10:33	360			LRS2	sci							Yes
virus0000022_02	QID 555	10:33	360	2.0	PSU26-3-011	VIRUS	sci	1.83	1.67	22.28	0.77			No
lrs20000021_03	parallel	10:40	360			LRS2	sci							Yes
virus0000022_03	QID 555	10:40	360	1.0	PSU26-3-011	VIRUS	sci	1.82	2.24	22.18	0.49			No
lrs20000022_01	bias	11:16	0			LRS2	cal							Yes
virus0000023_01	bias	11:17	0			VIRUS	cal							Yes
virus0000024_01	Cd-A	11:21	15		ENG26-3-002	VIRUS	cal							Yes
virus0000025_01	Hg	11:22	15		ENG26-3-002	VIRUS	cal							Yes
0049	Dark	11:30	319.5			HPF	cal							Yes
0050	Quartz FCU	11:41	74.5			HPF	cal							Yes
0051	Quartz FCU	11:43	74.5			HPF	cal							Yes
0052	Quartz FCU	11:45	74.5			HPF	cal							Yes
0053	Quartz FCU	11:47	74.5			HPF	cal							Yes
0054	Quartz FCU	11:48	74.5			HPF	cal							Yes
0055	Quartz FCU	11:50	74.5			HPF	cal							Yes
0056	Quartz FCU	11:52	74.5			HPF	cal							Yes
0057	Alpha Bright Cal	11:54	85.2			HPF	cal							Yes
0058	Alpha Bright Cal	11:56	85.2			HPF	cal							Yes
0059	Alpha Bright Cal	11:58	85.2			HPF	cal							Yes
0060	Alpha Bright Cal	12:00	85.2			HPF	cal							Yes
0061	LFC FCU	12:03	106.5			HPF	cal							Yes
0062	LFC FCU	12:05	106.5			HPF	cal							Yes
0063	LFC FCU	12:07	106.5			HPF	cal							Yes
0064	LFC FCU	12:10	106.5			HPF	cal							Yes
0065	LFC FCU	12:12	106.5			HPF	cal							Yes
0066	LFC FCU	12:14	106.5			HPF	cal							Yes
0067	LFC Cal	12:17	106.5			HPF	cal							Yes
0068	LFC Cal	12:20	106.5			HPF	cal							Yes
0069	Etalon Cal	12:27	159.8			HPF	cal							Yes
0070	Etalon Cal	12:30	159.8			HPF	cal							Yes
0071	Etalon Cal	12:34	159.8			HPF	cal							Yes
0072	Etalon Cal	12:37	159.8			HPF	cal							Yes
0073	UNe Slave Cal	12:40	426			HPF	cal							Yes
0074	UNe Slave Cal	12:48	426			HPF	cal							Yes
0075	UNe Slave Cal	12:56	426			HPF	cal							Yes
0076	UNe Slave Cal	13:04	426			HPF	cal							Yes
0077	UNe Slave Cal	13:12	426			HPF	cal							Yes
0078	UNe Slave Cal	13:19	426			HPF	cal							Yes
0095	LFC Cal	21:43	106.5			HPF	cal							Yes
lrs20009900_01	bias	21:51	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	21:52	20			VIRUS	cal							Yes
virus0009901_01	bias	21:54	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	21:54	20			LRS2	cal							Yes
virus0009902_01	dark	21:56	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	21:57	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	21:58	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	21:59	15			LRS2	cal							Yes
0096	Dark	22:07	319.5			HPF	cal							Yes
0097	Quartz FCU	22:13	74.5			HPF	cal							Yes
0098	Quartz FCU	22:15	74.5			HPF	cal							Yes
0099	Quartz FCU	22:17	74.5			HPF	cal							Yes
0100	Quartz FCU	22:19	74.5			HPF	cal							Yes
0101	Quartz FCU	22:20	74.5			HPF	cal							Yes
0102	Quartz FCU	22:22	74.5			HPF	cal							Yes
0103	Quartz FCU	22:24	74.5			HPF	cal							Yes
0104	Alpha Bright Cal	22:26	85.2			HPF	cal							Yes
0105	Alpha Bright Cal	22:28	85.2			HPF	cal							Yes
0106	Alpha Bright Cal	22:30	85.2			HPF	cal							Yes
0107	Alpha Bright Cal	22:32	85.2			HPF	cal							Yes
0108	LFC FCU	22:35	106.5			HPF	cal							Yes
0109	LFC FCU	22:37	106.5			HPF	cal							Yes
0110	LFC Cal	22:40	106.5			HPF	cal							Yes
0111	LFC Cal	22:42	106.5			HPF	cal							Yes
0112	Etalon Cal	22:45	159.8			HPF	cal							Yes
0113	UNe Slave Cal	22:49	426			HPF	cal							Yes
lrs20000032_01	flat_Qth_R	22:50	15			LRS2	cal							Yes
lrs20000032_02	flat_Qth_R	22:51	15			LRS2	cal							Yes
lrs20000032_03	flat_Qth_R	22:53	15			LRS2	cal							Yes
lrs20000032_04	flat_Qth_R	22:54	15			LRS2	cal							Yes
lrs20000032_05	flat_Qth_R	22:55	15			LRS2	cal							Yes
lrs20000033_01	flat_ldls_long_B	22:56	20			LRS2	cal							Yes
0114	UNe Slave Cal	22:57	426			HPF	cal							Yes
lrs20000033_02	flat_ldls_long_B	22:58	20			LRS2	cal							Yes
lrs20000033_03	flat_ldls_long_B	22:59	20			LRS2	cal							Yes
lrs20000034_01	Cd-A_B	23:00	29			LRS2	cal							Yes
lrs20000034_02	Cd-A_B	23:02	29			LRS2	cal							Yes
lrs20000034_03	Cd-A_B	23:03	29			LRS2	cal							Yes
0115	UNe Slave Cal	23:04	426			HPF	cal							Yes
lrs20000035_01	FeAr_R	23:05	15			LRS2	cal							Yes
lrs20000035_02	FeAr_R	23:06	15			LRS2	cal							Yes
lrs20000035_03	FeAr_R	23:07	15			LRS2	cal							Yes
lrs20000036_01	Hg_R	23:08	20			LRS2	cal							Yes
lrs20000036_02	Hg_R	23:10	20			LRS2	cal							Yes
lrs20000036_03	Hg_R	23:11	20			LRS2	cal							Yes
0116	UNe Slave Cal	23:12	426			HPF	cal							Yes
lrs20000037_01	Hg_B	23:12	15			LRS2	cal							Yes
lrs20000037_02	Hg_B	23:14	15			LRS2	cal							Yes
lrs20000037_03	Hg_B	23:15	15			LRS2	cal							Yes
0117	UNe Slave Cal	23:20	426			HPF	cal							Yes
virus0000033_01	flat_ldls_long	23:21	15			VIRUS	cal							Yes
virus0000033_02	flat_ldls_long	23:23	15			VIRUS	cal							Yes
virus0000033_03	flat_ldls_long	23:24	15			VIRUS	cal							Yes
virus0000034_01	Cd-A	23:26	15			VIRUS	cal							Yes
virus0000034_02	Cd-A	23:27	15			VIRUS	cal							Yes
0118	UNe Slave Cal	23:28	426			HPF	cal							Yes
virus0000034_03	Cd-A	23:28	15			VIRUS	cal							Yes
virus0000035_01	Hg	23:30	15			VIRUS	cal							Yes
virus0000035_02	Hg	23:31	15			VIRUS	cal							Yes
virus0000035_03	Hg	23:33	15			VIRUS	cal							Yes
lrs20000038_01	bias	23:34	0			LRS2	cal							Yes
virus0000036_01	bias	23:34	0			VIRUS	cal							Yes
lrs20000038_02	bias	23:35	0			LRS2	cal							Yes
virus0000036_02	bias	23:35	0			VIRUS	cal							Yes
lrs20000038_03	bias	23:36	0			LRS2	cal							Yes
virus0000036_03	bias	23:36	0			VIRUS	cal							Yes
lrs20000038_04	bias	23:36	0			LRS2	cal							Yes
virus0000036_04	bias	23:37	0			VIRUS	cal							Yes
lrs20000038_05	bias	23:37	0			LRS2	cal							Yes
lrs20000038_06	bias	23:38	0			LRS2	cal							Yes
virus0000036_05	bias	23:38	0			VIRUS	cal							Yes
virus0000036_06	bias	23:38	0			VIRUS	cal							Yes
lrs20000038_07	bias	23:39	0			LRS2	cal							Yes
virus0000036_07	bias	23:39	0			VIRUS	cal							Yes
lrs20000038_08	bias	23:40	0			LRS2	cal							Yes
virus0000036_08	bias	23:40	0			VIRUS	cal							Yes
lrs20000038_09	bias	23:41	0			LRS2	cal							Yes
virus0000036_09	bias	23:41	0			VIRUS	cal							Yes
lrs20000038_10	bias	23:42	0			LRS2	cal							Yes
virus0000036_10	bias	23:42	0			VIRUS	cal							Yes
lrs20000038_11	bias	23:43	0			LRS2	cal							Yes
virus0000036_11	bias	23:43	0			VIRUS	cal							Yes
lrs20000039_01	dark	23:43	360			LRS2	cal							Yes
virus0000037_01	dark	23:44	360			VIRUS	cal							Yes
lrs20000039_02	dark	23:50	360			LRS2	cal							Yes
virus0000037_02	dark	23:51	360			VIRUS	cal							Yes
lrs20000039_03	dark	23:57	360			LRS2	cal							Yes
virus0000037_03	dark	23:57	360			VIRUS	cal							Yes

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