HET Night Report Reader

Civil Date	Ephemerides
2026-09-21	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:00	01:45	02:14	11:24	11:52	12:38	-	08:39
Night Length	9:10		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator	OPS Engineer	Day Ops
Sergey Rostopchin	Cassie Crowe	-	-

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
01:00	22.5	20.0	11:41	twilight	10:41
Total Time Open					10:41

Program	Night Priority	Science
02:14	Science
02:37	Idle due to weather (SSB too bright for the requirements, clouds)
05:03	Science
05:26	Idle due to weather (clouds)
10:54	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
01:28	01:57	0.43	0.67	-402	-409	21.7	21.3	20.8	122	10	First of Night
08:16	08:23	0.80	1.20	-207	+419	17.3	17.9	18.1	127	14	Post-Observing
08:24	08:53	0.39	0.60	-407	+1879	17.0	17.7	17.9	133	12	Stack/Re-stack
11:31	11:38	0.53	0.81	-417	+2029	17.6	17.7	17.5	164	8	Post-Observing

Problem Reports					no PRs

Ops Comments	none

TO Comments	Hazy clouds all night.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
lrs20000022_09	bias	00:00	0			LRS2	cal							Yes
virus0000031_09	bias	00:00	0			VIRUS	cal							Yes
lrs20000022_10	bias	00:01	0			LRS2	cal							Yes
virus0000031_10	bias	00:01	0			VIRUS	cal							Yes
lrs20000022_11	bias	00:01	0			LRS2	cal							Yes
virus0000031_11	bias	00:02	0			VIRUS	cal							Yes
lrs20000023_01	dark	00:02	360			LRS2	cal							Yes
virus0000032_01	dark	00:03	360			VIRUS	cal							Yes
lrs20000023_02	dark	00:09	360			LRS2	cal							Yes
virus0000032_02	dark	00:10	360			VIRUS	cal							Yes
lrs20000023_03	dark	00:16	360			LRS2	cal							Yes
virus0000032_03	dark	00:16	360			VIRUS	cal							Yes
lrs20000001_01	skyflat	01:05	7			LRS2	cal							Yes
lrs20000002_01	skyflat	01:06	10			LRS2	cal							Yes
lrs20000003_01	skyflat	01:07	13			LRS2	cal							Yes
lrs20000004_01	skyflat	01:08	16			LRS2	cal							Yes
lrs20000005_01	skyflat	01:09	22			LRS2	cal							Yes
lrs20000006_01	skyflat	01:11	30			LRS2	cal							Yes
virus0000001_01	skyflat	01:13	7			VIRUS	cal							Yes
virus0000002_01	skyflat	01:15	10			VIRUS	cal							Yes
virus0000003_01	skyflat	01:16	14			VIRUS	cal							Yes
virus0000004_01	skyflat	01:17	18			VIRUS	cal							Yes
virus0000005_01	skyflat	01:19	26			VIRUS	cal							Yes
lrs20000007_01	BD+023375_056_W	02:04	60	5.0		LRS2	spec	1.59	1.10	19.33	0.85			Yes
lrs20000008_01	BD+023375_066_W	02:08	30	3.5		LRS2	spec	1.38	0.96	19.15	0.94			Yes
0001	LFC Cal	02:20	106.5			HPF	cal							Yes
virus0000006_01	parallel	02:20	1000			VIRUS	sci							Yes
lrs20000009_01	QID 1090	02:20	1000	11.3	PSU26-3-003	LRS2-B	sci	1.70	1.15	18.75	0.87		SSB too bright for the requirements	No
0002	LFC Cal	02:23	106.5			HPF	cal							Yes
0003	LFC Cal	02:25	106.5			HPF	cal							Yes
virus0000006_02	parallel	02:38	1000			VIRUS	sci							Yes
lrs20000009_02	QID 1090	02:38	1000	1.3	PSU26-3-003	LRS2-B	sci	1.48	1.10	18.91	0.90			No
0004	QID 795	03:01	617.7	6.7	UT26-3-001	HPF	sci	1.53	1.05	19.66	0.70	148	variable cloud cover	No
virus0000007_01	parallel	03:01	1945.7			VIRUS	sci							Yes
0005	QID 795	03:13	617.7	0.7	UT26-3-001	HPF	sci	1.41	1.22	18.92	0.49	119		No
0006	QID 795	03:24	617.7	0.7	UT26-3-001	HPF	sci	1.40	1.10	18.64	0.43	99		No
virus0000008_01	dark	03:36	360		ENG26-3-004	VIRUS	cal							Yes
virus0000008_02	dark	03:43	360		ENG26-3-004	VIRUS	cal							Yes
virus0000008_03	dark	03:50	360		ENG26-3-004	VIRUS	cal							Yes
virus0000008_04	dark	03:57	360		ENG26-3-004	VIRUS	cal							Yes
virus0000008_05	dark	04:03	360		ENG26-3-004	VIRUS	cal							Yes
virus0000008_06	dark	04:10	360		ENG26-3-004	VIRUS	cal							Yes
virus0000008_07	dark	04:17	360		ENG26-3-004	VIRUS	cal							Yes
virus0000008_08	dark	04:24	360		ENG26-3-004	VIRUS	cal							Yes
virus0000008_09	dark	04:31	360		ENG26-3-004	VIRUS	cal							Yes
virus0000008_10	dark	04:38	360		ENG26-3-004	VIRUS	cal							Yes
virus0000009_01	parallel	05:09	1000			VIRUS	sci							Yes
0007	QID 1079	05:10	969.1	6.8	UT26-3-012	HPF	sci	1.81	1.36	19.42	0.94	366		Yes
0008	LFC Cal	05:27	106.5			HPF	cal							Yes
0009	LFC Cal	05:30	106.5			HPF	cal							Yes
0010	LFC Cal	05:32	106.5			HPF	cal							Yes
0011	LFC Cal	05:35	106.5			HPF	cal							Yes
0012	LFC Cal	06:27	106.5			HPF	cal							Yes
0013	LFC Cal	07:57	106.5			HPF	cal							Yes
0014	LFC Cal	07:59	106.5			HPF	cal							Yes
0015	LFC Cal	08:02	106.5			HPF	cal							Yes
virus0000010_01	parallel	08:58	318.4			VIRUS	sci							Yes
0016	QID 1049	08:59	276.9	5.4	UT26-3-012	HPF	sci	1.37	0.83	20.01	0.19	266	clouds	No
0017	LFC Cal	09:04	106.5			HPF	cal							Yes
0018	QID 1053	10:58	532.5	4.1	UT26-3-012	HPF	sci	1.46	0.84	20.37	0.52	436		Yes
virus0000011_01	parallel	10:58	574			VIRUS	sci							Yes
0019	LFC Cal	11:08	106.5			HPF	cal							Yes
0020	LFC Cal	11:11	106.5			HPF	cal							Yes
virus0000012_01	parallel	11:14	1914.8			VIRUS	sci							Yes
0021	QID 226	11:15	915.9	7.7	G26-3-002	HPF	sci	1.45	1.14	20.40	0.28	71	clouds, aborted	No
0022	LFC Cal	11:32	106.5			HPF	cal							Yes
lrs20000010_01	bias	11:35	0			LRS2	cal							Yes
virus0000013_01	bias	11:35	0			VIRUS	cal							Yes
virus0000014_01	Cd-A	11:39	15		ENG26-3-002	VIRUS	cal							Yes
virus0000015_01	Hg	11:41	15		ENG26-3-002	VIRUS	cal							Yes
0023	Dark	11:48	319.5			HPF	cal							Yes
0024	Quartz FCU	11:59	74.5			HPF	cal							Yes
0025	Quartz FCU	12:01	74.5			HPF	cal							Yes
0026	Quartz FCU	12:03	74.5			HPF	cal							Yes
0027	Quartz FCU	12:04	74.5			HPF	cal							Yes
0028	Quartz FCU	12:06	74.5			HPF	cal							Yes
0029	Quartz FCU	12:08	74.5			HPF	cal							Yes
0030	Quartz FCU	12:10	74.5			HPF	cal							Yes
0031	Alpha Bright Cal	12:12	85.2			HPF	cal							Yes
0032	Alpha Bright Cal	12:14	85.2			HPF	cal							Yes
0033	Alpha Bright Cal	12:16	85.2			HPF	cal							Yes
0034	Alpha Bright Cal	12:18	85.2			HPF	cal							Yes
0035	LFC FCU	12:21	106.5			HPF	cal							Yes
0036	LFC FCU	12:23	106.5			HPF	cal							Yes
0037	LFC FCU	12:25	106.5			HPF	cal							Yes
0038	LFC FCU	12:28	106.5			HPF	cal							Yes
0039	LFC FCU	12:30	106.5			HPF	cal							Yes
0040	LFC FCU	12:32	106.5			HPF	cal							Yes
0041	LFC Cal	12:35	106.5			HPF	cal							Yes
0042	LFC Cal	12:37	106.5			HPF	cal							Yes
0043	Etalon Cal	12:45	159.8			HPF	cal							Yes
0044	Etalon Cal	12:48	159.8			HPF	cal							Yes
0045	Etalon Cal	12:52	159.8			HPF	cal							Yes
0046	Etalon Cal	12:55	159.8			HPF	cal							Yes
0047	UNe Slave Cal	12:58	426			HPF	cal							Yes
0048	UNe Slave Cal	13:06	426			HPF	cal							Yes
0049	UNe Slave Cal	13:14	426			HPF	cal							Yes
0050	UNe Slave Cal	13:22	426			HPF	cal							Yes
0051	UNe Slave Cal	13:29	426			HPF	cal							Yes
0052	UNe Slave Cal	13:37	426			HPF	cal							Yes
0091	LFC Cal	21:51	106.5			HPF	cal							Yes
lrs20009900_01	bias	22:02	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	22:03	20			VIRUS	cal							Yes
virus0009901_01	bias	22:05	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	22:05	20			LRS2	cal							Yes
virus0009902_01	dark	22:07	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:07	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:09	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:10	15			LRS2	cal							Yes
virus0009903_01	dark	22:19	10			VIRUS	cal							Yes
virus0009904_01	bias	22:20	0			VIRUS	cal							Yes
0092	Dark	22:26	319.5			HPF	cal							Yes
0093	Quartz FCU	22:33	74.5			HPF	cal							Yes
0094	Quartz FCU	22:35	74.5			HPF	cal							Yes
0095	Quartz FCU	22:36	74.5			HPF	cal							Yes
0096	Quartz FCU	22:38	74.5			HPF	cal							Yes
0097	Quartz FCU	22:40	74.5			HPF	cal							Yes
0098	Quartz FCU	22:42	74.5			HPF	cal							Yes
0099	Quartz FCU	22:44	74.5			HPF	cal							Yes
0100	Alpha Bright Cal	22:46	85.2			HPF	cal							Yes
0101	Alpha Bright Cal	22:48	85.2			HPF	cal							Yes
0102	Alpha Bright Cal	22:50	85.2			HPF	cal							Yes
0103	Alpha Bright Cal	22:52	85.2			HPF	cal							Yes
0104	LFC FCU	22:54	106.5			HPF	cal							Yes
0105	LFC FCU	22:57	106.5			HPF	cal							Yes
0106	LFC Cal	22:59	106.5			HPF	cal							Yes
0107	LFC Cal	23:02	106.5			HPF	cal							Yes
0108	Etalon Cal	23:04	159.8			HPF	cal							Yes
0109	UNe Slave Cal	23:08	426			HPF	cal							Yes
lrs20000016_01	flat_Qth_R	23:09	15			LRS2	cal							Yes
lrs20000016_02	flat_Qth_R	23:10	15			LRS2	cal							Yes
lrs20000016_03	flat_Qth_R	23:12	15			LRS2	cal							Yes
lrs20000016_04	flat_Qth_R	23:13	15			LRS2	cal							Yes
lrs20000016_05	flat_Qth_R	23:14	15			LRS2	cal							Yes
lrs20000017_01	flat_ldls_long_B	23:15	20			LRS2	cal							Yes
0110	UNe Slave Cal	23:16	426			HPF	cal							Yes
lrs20000017_02	flat_ldls_long_B	23:17	20			LRS2	cal							Yes
lrs20000017_03	flat_ldls_long_B	23:18	20			LRS2	cal							Yes
lrs20000018_01	Cd-A_B	23:19	29			LRS2	cal							Yes
lrs20000018_02	Cd-A_B	23:21	29			LRS2	cal							Yes
lrs20000018_03	Cd-A_B	23:22	29			LRS2	cal							Yes
0111	UNe Slave Cal	23:24	426			HPF	cal							Yes
lrs20000019_01	FeAr_R	23:24	15			LRS2	cal							Yes
lrs20000019_02	FeAr_R	23:25	15			LRS2	cal							Yes
lrs20000019_03	FeAr_R	23:26	15			LRS2	cal							Yes
lrs20000020_01	Hg_R	23:27	20			LRS2	cal							Yes
lrs20000020_02	Hg_R	23:29	20			LRS2	cal							Yes
lrs20000020_03	Hg_R	23:30	20			LRS2	cal							Yes
lrs20000021_01	Hg_B	23:31	15			LRS2	cal							Yes
0112	UNe Slave Cal	23:32	426			HPF	cal							Yes
lrs20000021_02	Hg_B	23:32	15			LRS2	cal							Yes
lrs20000021_03	Hg_B	23:34	15			LRS2	cal							Yes
0113	UNe Slave Cal	23:39	426			HPF	cal							Yes
virus0000028_01	flat_ldls_long	23:40	15			VIRUS	cal							Yes
virus0000028_02	flat_ldls_long	23:42	15			VIRUS	cal							Yes
virus0000028_03	flat_ldls_long	23:43	15			VIRUS	cal							Yes
virus0000029_01	Cd-A	23:44	15			VIRUS	cal							Yes
virus0000029_02	Cd-A	23:46	15			VIRUS	cal							Yes
0114	UNe Slave Cal	23:47	426			HPF	cal							Yes
virus0000029_03	Cd-A	23:47	15			VIRUS	cal							Yes
virus0000030_01	Hg	23:49	15			VIRUS	cal							Yes
virus0000030_02	Hg	23:50	15			VIRUS	cal							Yes
virus0000030_03	Hg	23:51	15			VIRUS	cal							Yes
lrs20000022_01	bias	23:53	0			LRS2	cal							Yes
virus0000031_01	bias	23:53	0			VIRUS	cal							Yes
lrs20000022_02	bias	23:54	0			LRS2	cal							Yes
virus0000031_02	bias	23:54	0			VIRUS	cal							Yes
lrs20000022_03	bias	23:54	0			LRS2	cal							Yes
virus0000031_03	bias	23:55	0			VIRUS	cal							Yes
lrs20000022_04	bias	23:55	0			LRS2	cal							Yes
virus0000031_04	bias	23:56	0			VIRUS	cal							Yes
lrs20000022_05	bias	23:56	0			LRS2	cal							Yes
virus0000031_05	bias	23:56	0			VIRUS	cal							Yes
lrs20000022_06	bias	23:57	0			LRS2	cal							Yes
virus0000031_06	bias	23:57	0			VIRUS	cal							Yes
lrs20000022_07	bias	23:58	0			LRS2	cal							Yes
virus0000031_07	bias	23:58	0			VIRUS	cal							Yes
lrs20000022_08	bias	23:59	0			LRS2	cal							Yes
virus0000031_08	bias	23:59	0			VIRUS	cal							Yes

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