HET Night Report Reader

Civil Date	Ephemerides
2026-05-14	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:51	02:41	03:14	10:29	11:03	11:54	10:51	-
Night Length	7:15		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator	OPS Engineer	Day Ops
Sergey Rostopchin	Justen Pautzke	-	-

Overlaps
TO Overlap	RA Overlap
Amy Westfall	Tyler Ryburn

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
01:44	22.8	20.9	03:04	radar	01:20
08:17	21.4	20.2	09:45	clouds	01:28
10:00	21.0	20.5	10:16	clouds	00:16
Total Time Open					3:04

Program	Night Priority	Science
03:14	Idle due to weather (clouds, radar)
08:18	Science
09:28	Idle due to weather (radar)
09:43	Science
10:08	Idle due to weather (radar)

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
02:19	03:03	0.47	0.73	-372	-412	23.1	20.9	20.9	250	4	First of Night

Problem Reports					no PRs

Ops Comments	none

TO Comments	Radar and threatening clouds most of the night. No telescope problems.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
lrs20000020_04	bias	00:00	0			LRS2	cal							Yes
virus0000018_04	bias	00:00	0			VIRUS	cal							Yes
lrs20000020_05	bias	00:01	0			LRS2	cal							Yes
virus0000018_05	bias	00:01	0			VIRUS	cal							Yes
lrs20000020_06	bias	00:02	0			LRS2	cal							Yes
virus0000018_06	bias	00:02	0			VIRUS	cal							Yes
lrs20000020_07	bias	00:02	0			LRS2	cal							Yes
virus0000018_07	bias	00:03	0			VIRUS	cal							Yes
lrs20000020_08	bias	00:03	0			LRS2	cal							Yes
virus0000018_08	bias	00:04	0			VIRUS	cal							Yes
lrs20000020_09	bias	00:04	0			LRS2	cal							Yes
virus0000018_09	bias	00:04	0			VIRUS	cal							Yes
lrs20000020_10	bias	00:05	0			LRS2	cal							Yes
virus0000018_10	bias	00:05	0			VIRUS	cal							Yes
lrs20000020_11	bias	00:06	0			LRS2	cal							Yes
virus0000018_11	bias	00:06	0			VIRUS	cal							Yes
lrs20000021_01	dark	00:07	360			LRS2	cal							Yes
virus0000019_01	dark	00:07	360			VIRUS	cal							Yes
lrs20000021_02	dark	00:14	360			LRS2	cal							Yes
virus0000019_02	dark	00:14	360			VIRUS	cal							Yes
lrs20000021_03	dark	00:20	360			LRS2	cal							Yes
virus0000019_03	dark	00:21	360			VIRUS	cal							Yes
lrs20000001_01	skyflat	01:55	7			LRS2	cal							Yes
lrs20000002_01	skyflat	01:56	10			LRS2	cal							Yes
lrs20000003_01	skyflat	01:58	13			LRS2	cal							Yes
lrs20000004_01	skyflat	01:59	16			LRS2	cal							Yes
lrs20000005_01	skyflat	02:00	22			LRS2	cal							Yes
lrs20000006_01	skyflat	02:01	30			LRS2	cal							Yes
virus0000001_01	skyflat	02:06	7			VIRUS	cal							Yes
virus0000002_01	skyflat	02:07	10			VIRUS	cal							Yes
virus0000003_01	skyflat	02:08	14			VIRUS	cal							Yes
virus0000004_01	skyflat	02:09	18			VIRUS	cal							Yes
virus0000005_01	skyflat	02:11	26			VIRUS	cal							Yes
0001	LFC Cal	03:13	106.5			HPF	cal							Yes
0002	LFC Cal	03:15	106.5			HPF	cal							Yes
0003	LFC Cal	03:18	106.5			HPF	cal							Yes
0004	LFC Cal	05:01	106.5			HPF	cal							Yes
0005	LFC Cal	05:03	106.5			HPF	cal							Yes
0006	LFC Cal	05:05	106.5			HPF	cal							Yes
lrs20000007_01	bias	05:19	0			LRS2	cal							Yes
virus0000006_01	bias	05:19	0			VIRUS	cal							Yes
lrs20000007_02	bias	05:20	0			LRS2	cal							Yes
virus0000006_02	bias	05:20	0			VIRUS	cal							Yes
lrs20000007_03	bias	05:21	0			LRS2	cal							Yes
virus0000006_03	bias	05:21	0			VIRUS	cal							Yes
lrs20000007_04	bias	05:22	0			LRS2	cal							Yes
virus0000006_04	bias	05:22	0			VIRUS	cal							Yes
lrs20000007_05	bias	05:22	0			LRS2	cal							Yes
virus0000006_05	bias	05:23	0			VIRUS	cal							Yes
lrs20000007_06	bias	05:23	0			LRS2	cal							Yes
virus0000006_06	bias	05:24	0			VIRUS	cal							Yes
lrs20000007_07	bias	05:24	0			LRS2	cal							Yes
virus0000006_07	bias	05:24	0			VIRUS	cal							Yes
lrs20000007_08	bias	05:25	0			LRS2	cal							Yes
virus0000006_08	bias	05:25	0			VIRUS	cal							Yes
lrs20000007_09	bias	05:26	0			LRS2	cal							Yes
virus0000006_09	bias	05:26	0			VIRUS	cal							Yes
lrs20000007_10	bias	05:27	0			LRS2	cal							Yes
virus0000006_10	bias	05:27	0			VIRUS	cal							Yes
lrs20000007_11	bias	05:28	0			LRS2	cal							Yes
virus0000006_11	bias	05:28	0			VIRUS	cal							Yes
0007	LFC Cal	07:55	106.5			HPF	cal							Yes
0008	LFC Cal	07:57	106.5			HPF	cal							Yes
0009	LFC Cal	07:59	106.5			HPF	cal							Yes
0010	LFC Cal	08:25	106.5			HPF	cal							Yes
virus0000007_01	parallel	08:25	1500			VIRUS	sci							Yes
lrs20000008_01	QID 641	08:25	1500	7.0	PSU26-2-004	LRS2-B	sci	1.57		21.51	0.68			Yes
0011	LFC Cal	08:27	106.5			HPF	cal							Yes
0012	LFC Cal	08:30	106.5			HPF	cal							Yes
0013	QID 868	08:58	873.3	8.4	UT26-2-009	HPF	sci	1.43		20.40	0.77	104		Yes
virus0000008_01	parallel	08:58	1849			VIRUS	sci							Yes
0014	QID 868	09:13	873.3	0.4	UT26-2-009	HPF	sci	1.37		20.29	0.72	77		Yes
0015	LFC Cal	09:35	106.5			HPF	cal							Yes
lrs20000009_01	parallel	09:35	360			LRS2	sci							Yes
virus0000009_01	QID 572	09:35	360	7.0	UT26-2-016	VIRUS	sci	1.38		22.09	0.85		radar	No
0016	LFC Cal	09:37	106.5			HPF	cal							Yes
lrs20000009_02	parallel	09:42	360			LRS2	sci							Yes
virus0000009_02	QID 572	09:42	60	1.0	UT26-2-016	VIRUS	sci	1.39		22.12	0.90		aborted	No
0017	HR8215_tell_std	10:06	117.2	23.0		HPF	telluric	1.34		20.33	0.59			Yes
lrs20000010_01	bias	10:28	0			LRS2	cal							Yes
virus0000010_01	bias	10:29	0			VIRUS	cal							Yes
virus0000011_01	Cd-A	10:33	15		ENG26-2-002	VIRUS	cal							Yes
virus0000012_01	Hg	10:34	15		ENG26-2-002	VIRUS	cal							Yes
0018	Dark	10:42	319.5			HPF	cal							Yes
0019	Quartz FCU	10:53	74.5			HPF	cal							Yes
0020	Quartz FCU	10:55	74.5			HPF	cal							Yes
0021	Quartz FCU	10:57	74.5			HPF	cal							Yes
0022	Quartz FCU	10:59	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	Alpha Bright Cal	11:06	85.2			HPF	cal							Yes
0027	Alpha Bright Cal	11:08	85.2			HPF	cal							Yes
0028	Alpha Bright Cal	11:10	85.2			HPF	cal							Yes
0029	Alpha Bright Cal	11:12	85.2			HPF	cal							Yes
0030	LFC FCU	11:15	106.5			HPF	cal							Yes
0031	LFC FCU	11:17	106.5			HPF	cal							Yes
0032	LFC FCU	11:19	106.5			HPF	cal							Yes
0033	LFC FCU	11:22	106.5			HPF	cal							Yes
0034	LFC FCU	11:24	106.5			HPF	cal							Yes
0035	LFC FCU	11:26	106.5			HPF	cal							Yes
0036	LFC Cal	11:29	106.5			HPF	cal							Yes
0037	LFC Cal	11:32	106.5			HPF	cal							Yes
0038	Etalon Cal	11:39	159.8			HPF	cal							Yes
0039	Etalon Cal	11:42	159.8			HPF	cal							Yes
0040	Etalon Cal	11:46	159.8			HPF	cal							Yes
0041	Etalon Cal	11:49	159.8			HPF	cal							Yes
0042	UNe Slave Cal	11:52	426			HPF	cal							Yes
0043	UNe Slave Cal	12:00	426			HPF	cal							Yes
0044	UNe Slave Cal	12:08	426			HPF	cal							Yes
0045	UNe Slave Cal	12:16	426			HPF	cal							Yes
0046	UNe Slave Cal	12:23	426			HPF	cal							Yes
0047	UNe Slave Cal	12:31	426			HPF	cal							Yes
0056	LFC Cal	22:05	106.5			HPF	cal							Yes
lrs20009900_01	bias	22:15	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	22:16	20			VIRUS	cal							Yes
virus0009901_01	bias	22:17	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	22:18	20			LRS2	cal							Yes
virus0009902_01	dark	22:19	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:20	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:22	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:23	15			LRS2	cal							Yes
0057	Dark	22:31	319.5			HPF	cal							Yes
0058	Quartz FCU	22:37	74.5			HPF	cal							Yes
0059	Quartz FCU	22:39	74.5			HPF	cal							Yes
0060	Quartz FCU	22:41	74.5			HPF	cal							Yes
0061	Quartz FCU	22:42	74.5			HPF	cal							Yes
0062	Quartz FCU	22:44	74.5			HPF	cal							Yes
0063	Quartz FCU	22:46	74.5			HPF	cal							Yes
0064	Quartz FCU	22:48	74.5			HPF	cal							Yes
0065	Alpha Bright Cal	22:50	85.2			HPF	cal							Yes
0066	Alpha Bright Cal	22:52	85.2			HPF	cal							Yes
0067	Alpha Bright Cal	22:54	85.2			HPF	cal							Yes
0068	Alpha Bright Cal	22:56	85.2			HPF	cal							Yes
0069	LFC FCU	22:59	106.5			HPF	cal							Yes
0070	LFC FCU	23:01	106.5			HPF	cal							Yes
0071	LFC Cal	23:04	106.5			HPF	cal							Yes
0072	LFC Cal	23:06	106.5			HPF	cal							Yes
0073	Etalon Cal	23:09	159.8			HPF	cal							Yes
0074	UNe Slave Cal	23:12	426			HPF	cal							Yes
lrs20000014_01	flat_Qth_R	23:13	15			LRS2	cal							Yes
lrs20000014_02	flat_Qth_R	23:14	15			LRS2	cal							Yes
lrs20000014_03	flat_Qth_R	23:16	15			LRS2	cal							Yes
lrs20000014_04	flat_Qth_R	23:17	15			LRS2	cal							Yes
lrs20000014_05	flat_Qth_R	23:18	15			LRS2	cal							Yes
lrs20000015_01	flat_ldls_long_B	23:19	20			LRS2	cal							Yes
0075	UNe Slave Cal	23:20	426			HPF	cal							Yes
lrs20000015_02	flat_ldls_long_B	23:21	20			LRS2	cal							Yes
lrs20000015_03	flat_ldls_long_B	23:22	20			LRS2	cal							Yes
lrs20000016_01	Cd-A_B	23:23	29			LRS2	cal							Yes
lrs20000016_02	Cd-A_B	23:25	29			LRS2	cal							Yes
lrs20000016_03	Cd-A_B	23:26	29			LRS2	cal							Yes
0076	UNe Slave Cal	23:28	426			HPF	cal							Yes
lrs20000017_01	FeAr_R	23:28	15			LRS2	cal							Yes
lrs20000017_02	FeAr_R	23:29	15			LRS2	cal							Yes
lrs20000017_03	FeAr_R	23:30	15			LRS2	cal							Yes
lrs20000018_01	Hg_R	23:32	20			LRS2	cal							Yes
lrs20000018_02	Hg_R	23:33	20			LRS2	cal							Yes
lrs20000018_03	Hg_R	23:34	20			LRS2	cal							Yes
0077	UNe Slave Cal	23:35	426			HPF	cal							Yes
lrs20000019_01	Hg_B	23:36	15			LRS2	cal							Yes
lrs20000019_02	Hg_B	23:37	15			LRS2	cal							Yes
lrs20000019_03	Hg_B	23:38	15			LRS2	cal							Yes
0078	UNe Slave Cal	23:43	426			HPF	cal							Yes
virus0000015_01	flat_ldls_long	23:45	15			VIRUS	cal							Yes
virus0000015_02	flat_ldls_long	23:46	15			VIRUS	cal							Yes
virus0000015_03	flat_ldls_long	23:48	15			VIRUS	cal							Yes
virus0000016_01	Cd-A	23:49	15			VIRUS	cal							Yes
virus0000016_02	Cd-A	23:50	15			VIRUS	cal							Yes
0079	UNe Slave Cal	23:51	426			HPF	cal							Yes
virus0000016_03	Cd-A	23:52	15			VIRUS	cal							Yes
virus0000017_01	Hg	23:53	15			VIRUS	cal							Yes
virus0000017_02	Hg	23:55	15			VIRUS	cal							Yes
virus0000017_03	Hg	23:56	15			VIRUS	cal							Yes
lrs20000020_01	bias	23:57	0			LRS2	cal							Yes
virus0000018_01	bias	23:57	0			VIRUS	cal							Yes
lrs20000020_02	bias	23:58	0			LRS2	cal							Yes
virus0000018_02	bias	23:58	0			VIRUS	cal							Yes
lrs20000020_03	bias	23:59	0			LRS2	cal							Yes
virus0000018_03	bias	23:59	0			VIRUS	cal							Yes

Previous Day:		May 14, 2026 Civil		Next Day:
HET Night Report	VIRUS Biases	VIRUS Biases	LRS2 Biases	HET Night Report	VIRUS Biases
LRS2 Biases	EON Charts	EON Charts		LRS2 Biases	EON Charts