HET Night Report Reader

Civil Date	Ephemerides
2026-01-22	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	00:31	01:18	01:47	12:28	12:56	13:45	-	04:18
Night Length	10:41		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator	OPS Engineer	Day Ops
Sergey Rostopchin	Amy Westfall	-	-

Overlaps
TO Overlap	RA Overlap
Cassie Crowe	-

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
00:29	12.0	10.2	00:52	radar	00:23
Total Time Open					0:23

Program	Night Priority	Science
01:47	Idle due to weather (heavy overcast)

Stack Data													Did not stack

Problem Reports					no PRs

Ops Comments	none

TO Comments	Closed all night for heavy clouds and radar signature in county.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
virus0000037_02	Hg	00:00	15			VIRUS	cal							Yes
virus0000037_03	Hg	00:01	15			VIRUS	cal							Yes
lrs20000001_01	bias	00:03	0			LRS2	cal							Yes
virus0000001_01	bias	00:03	0			VIRUS	cal							Yes
lrs20000001_02	bias	00:04	0			LRS2	cal							Yes
lrs20000001_03	bias	00:04	0			LRS2	cal							Yes
virus0000001_02	bias	00:04	0			VIRUS	cal							Yes
virus0000001_03	bias	00:05	0			VIRUS	cal							Yes
lrs20000001_04	bias	00:05	0			LRS2	cal							Yes
virus0000001_04	bias	00:06	0			VIRUS	cal							Yes
lrs20000001_05	bias	00:06	0			LRS2	cal							Yes
virus0000001_05	bias	00:06	0			VIRUS	cal							Yes
lrs20000001_06	bias	00:07	0			LRS2	cal							Yes
virus0000001_06	bias	00:07	0			VIRUS	cal							Yes
lrs20000001_07	bias	00:08	0			LRS2	cal							Yes
virus0000001_07	bias	00:08	0			VIRUS	cal							Yes
lrs20000001_08	bias	00:09	0			LRS2	cal							Yes
virus0000001_08	bias	00:09	0			VIRUS	cal							Yes
lrs20000001_09	bias	00:10	0			LRS2	cal							Yes
virus0000001_09	bias	00:10	0			VIRUS	cal							Yes
lrs20000001_10	bias	00:11	0			LRS2	cal							Yes
virus0000001_10	bias	00:11	0			VIRUS	cal							Yes
lrs20000001_11	bias	00:11	0			LRS2	cal							Yes
virus0000001_11	bias	00:12	0			VIRUS	cal							Yes
lrs20000002_01	skyflat	00:35	7			LRS2	cal							Yes
lrs20000003_01	skyflat	00:36	10			LRS2	cal							Yes
lrs20000004_01	skyflat	00:37	13			LRS2	cal							Yes
lrs20000005_01	skyflat	00:38	16			LRS2	cal							Yes
lrs20000006_01	skyflat	00:40	22			LRS2	cal							Yes
lrs20000007_01	skyflat	00:41	30			LRS2	cal							Yes
virus0000002_01	skyflat	00:44	7			VIRUS	cal							Yes
virus0000003_01	skyflat	00:45	10			VIRUS	cal							Yes
virus0000004_01	skyflat	00:46	14			VIRUS	cal							Yes
virus0000005_01	skyflat	00:48	18			VIRUS	cal							Yes
virus0000006_01	skyflat	00:49	26			VIRUS	cal							Yes
lrs20000008_01	dark	01:05	360			LRS2	cal							Yes
virus0000007_01	dark	01:05	360			VIRUS	cal							Yes
lrs20000008_02	dark	01:12	360			LRS2	cal							Yes
virus0000007_02	dark	01:12	360			VIRUS	cal							Yes
lrs20000008_03	dark	01:18	360			LRS2	cal							Yes
virus0000007_03	dark	01:19	360			VIRUS	cal							Yes
0001	LFC Cal	03:06	106.5			HPF	cal							Yes
0002	LFC Cal	03:08	106.5			HPF	cal							Yes
0003	LFC Cal	03:10	106.5			HPF	cal							Yes
0004	LFC Cal	05:15	106.5			HPF	cal							Yes
0005	LFC Cal	05:17	106.5			HPF	cal							Yes
0006	LFC Cal	05:20	106.5			HPF	cal							Yes
virus0000008_01	dark	05:33	360		ENG26-1-004	VIRUS	cal							Yes
virus0000008_02	dark	05:40	360		ENG26-1-004	VIRUS	cal							Yes
virus0000008_03	dark	05:47	360		ENG26-1-004	VIRUS	cal							Yes
virus0000008_04	dark	05:54	360		ENG26-1-004	VIRUS	cal							Yes
virus0000008_05	dark	06:01	360		ENG26-1-004	VIRUS	cal							Yes
virus0000008_06	dark	06:07	360		ENG26-1-004	VIRUS	cal							Yes
virus0000008_07	dark	06:14	360		ENG26-1-004	VIRUS	cal							Yes
virus0000008_08	dark	06:21	360		ENG26-1-004	VIRUS	cal							Yes
virus0000008_09	dark	06:28	360		ENG26-1-004	VIRUS	cal							Yes
virus0000008_10	dark	06:35	360		ENG26-1-004	VIRUS	cal							Yes
0007	LFC Cal	07:16	106.5			HPF	cal							Yes
0008	LFC Cal	07:18	106.5			HPF	cal							Yes
0009	LFC Cal	07:20	106.5			HPF	cal							Yes
lrs20000009_01	bias	11:24	0			LRS2	cal							Yes
virus0000009_01	bias	11:25	0			VIRUS	cal							Yes
virus0000010_01	Cd-A	11:28	15		ENG26-1-002	VIRUS	cal							Yes
virus0000011_01	Hg	11:29	15		ENG26-1-002	VIRUS	cal							Yes
0010	Dark	11:39	319.5			HPF	cal							Yes
0011	Quartz FCU	11:51	74.5			HPF	cal							Yes
0012	Quartz FCU	11:53	74.5			HPF	cal							Yes
0013	Quartz FCU	11:55	74.5			HPF	cal							Yes
0014	Quartz FCU	11:56	74.5			HPF	cal							Yes
0015	Quartz FCU	11:58	74.5			HPF	cal							Yes
0016	Quartz FCU	12:00	74.5			HPF	cal							Yes
0017	Quartz FCU	12:02	74.5			HPF	cal							Yes
0018	Alpha Bright Cal	12:04	85.2			HPF	cal							Yes
0019	Alpha Bright Cal	12:06	85.2			HPF	cal							Yes
0020	Alpha Bright Cal	12:08	85.2			HPF	cal							Yes
0021	Alpha Bright Cal	12:10	85.2			HPF	cal							Yes
0022	LFC FCU	12:13	106.5			HPF	cal							Yes
0023	LFC FCU	12:15	106.5			HPF	cal							Yes
0024	LFC FCU	12:17	106.5			HPF	cal							Yes
0025	LFC FCU	12:19	106.5			HPF	cal							Yes
0026	LFC FCU	12:22	106.5			HPF	cal							Yes
0027	LFC FCU	12:24	106.5			HPF	cal							Yes
0028	LFC Cal	12:27	106.5			HPF	cal							Yes
0029	LFC Cal	12:29	106.5			HPF	cal							Yes
0030	Etalon Cal	12:37	159.8			HPF	cal							Yes
0031	Etalon Cal	12:40	159.8			HPF	cal							Yes
0032	Etalon Cal	12:43	159.8			HPF	cal							Yes
0033	Etalon Cal	12:47	159.8			HPF	cal							Yes
0034	UNe Slave Cal	12:50	426			HPF	cal							Yes
0035	UNe Slave Cal	12:58	426			HPF	cal							Yes
0036	UNe Slave Cal	13:06	426			HPF	cal							Yes
0037	UNe Slave Cal	13:14	426			HPF	cal							Yes
0038	UNe Slave Cal	13:21	426			HPF	cal							Yes
0039	UNe Slave Cal	13:29	426			HPF	cal							Yes
0097	LFC Cal	22:18	106.5			HPF	cal							Yes
lrs20009900_01	bias	22:24	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	22:25	20			VIRUS	cal							Yes
virus0009901_01	bias	22:27	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	22:27	20			LRS2	cal							Yes
virus0009902_01	dark	22:29	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:30	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:31	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:33	15			LRS2	cal							Yes
0098	Dark	22:36	319.5			HPF	cal							Yes
0099	Quartz FCU	22:42	74.5			HPF	cal							Yes
0100	Quartz FCU	22:44	74.5			HPF	cal							Yes
0101	Quartz FCU	22:46	74.5			HPF	cal							Yes
0102	Quartz FCU	22:48	74.5			HPF	cal							Yes
0103	Quartz FCU	22:49	74.5			HPF	cal							Yes
0104	Quartz FCU	22:51	74.5			HPF	cal							Yes
0105	Quartz FCU	22:53	74.5			HPF	cal							Yes
0106	Alpha Bright Cal	22:55	85.2			HPF	cal							Yes
0107	Alpha Bright Cal	22:57	85.2			HPF	cal							Yes
0108	Alpha Bright Cal	22:59	85.2			HPF	cal							Yes
0109	Alpha Bright Cal	23:01	85.2			HPF	cal							Yes
0110	LFC FCU	23:04	106.5			HPF	cal							Yes
0111	LFC FCU	23:06	106.5			HPF	cal							Yes
0112	LFC Cal	23:09	106.5			HPF	cal							Yes
0113	LFC Cal	23:11	106.5			HPF	cal							Yes
0114	Etalon Cal	23:14	159.8			HPF	cal							Yes
0115	UNe Slave Cal	23:18	426			HPF	cal							Yes
lrs20000017_01	flat_Qth_R	23:19	15			LRS2	cal							Yes
lrs20000017_02	flat_Qth_R	23:20	15			LRS2	cal							Yes
lrs20000017_03	flat_Qth_R	23:22	15			LRS2	cal							Yes
lrs20000017_04	flat_Qth_R	23:23	15			LRS2	cal							Yes
lrs20000017_05	flat_Qth_R	23:24	15			LRS2	cal							Yes
0116	UNe Slave Cal	23:25	426			HPF	cal							Yes
lrs20000018_01	flat_ldls_long_B	23:25	20			LRS2	cal							Yes
lrs20000018_02	flat_ldls_long_B	23:27	20			LRS2	cal							Yes
lrs20000018_03	flat_ldls_long_B	23:28	20			LRS2	cal							Yes
lrs20000019_01	Cd-A_B	23:29	29			LRS2	cal							Yes
lrs20000019_02	Cd-A_B	23:31	29			LRS2	cal							Yes
lrs20000019_03	Cd-A_B	23:32	29			LRS2	cal							Yes
0117	UNe Slave Cal	23:33	426			HPF	cal							Yes
lrs20000020_01	FeAr_R	23:34	15			LRS2	cal							Yes
lrs20000020_02	FeAr_R	23:35	15			LRS2	cal							Yes
lrs20000020_03	FeAr_R	23:36	15			LRS2	cal							Yes
lrs20000021_01	Hg_R	23:37	20			LRS2	cal							Yes
lrs20000021_02	Hg_R	23:39	20			LRS2	cal							Yes
lrs20000021_03	Hg_R	23:40	20			LRS2	cal							Yes
0118	UNe Slave Cal	23:41	426			HPF	cal							Yes
lrs20000022_01	Hg_B	23:41	15			LRS2	cal							Yes
lrs20000022_02	Hg_B	23:43	15			LRS2	cal							Yes
lrs20000022_03	Hg_B	23:44	15			LRS2	cal							Yes
0119	UNe Slave Cal	23:49	426			HPF	cal							Yes
virus0000035_01	flat_ldls_long	23:50	15			VIRUS	cal							Yes
virus0000035_02	flat_ldls_long	23:52	15			VIRUS	cal							Yes
virus0000035_03	flat_ldls_long	23:53	15			VIRUS	cal							Yes
virus0000036_01	Cd-A	23:54	15			VIRUS	cal							Yes
0120	UNe Slave Cal	23:56	426			HPF	cal							Yes
virus0000036_02	Cd-A	23:56	15			VIRUS	cal							Yes
virus0000036_03	Cd-A	23:57	15			VIRUS	cal							Yes
virus0000037_01	Hg	23:59	15			VIRUS	cal							Yes

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