HET Night Report Reader

Civil Date	Ephemerides
2026-05-23	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:57	02:48	03:22	10:22	10:57	11:49	-	07:56
Night Length	7:00		Sunset Temperature

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

Overlaps
TO Overlap	RA Overlap
Amy Westfall	-

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
01:39	18.8	16.7	06:26	radar	04:47
07:39	17.8	17.9	11:08	twilight	03:29
Total Time Open					8:16

Program	Night Priority	Science
03:22	Science
05:15	Idle due to weather (clouds)
07:45	Science
09:02	Engineering (hpf)
09:16	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
02:25	02:59	0.43	0.66	-400	1214	17.8	17.5	17.2	213	9	First of Night
10:59	11:05	0.48	0.75	-305	1967	16.1	16.4	16.5	191	11	Post-Observing

Problem Reports					no PRs

Ops Comments	none

TO Comments	Mostly clear with a brief period of clouds and radar.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
0001	Dark	00:03	319.5			HPF	cal							Yes
0002	Quartz FCU	00:10	74.5			HPF	cal							Yes
0003	Quartz FCU	00:12	74.5			HPF	cal							Yes
0004	Quartz FCU	00:13	74.5			HPF	cal							Yes
0005	Quartz FCU	00:15	74.5			HPF	cal							Yes
0006	Quartz FCU	00:17	74.5			HPF	cal							Yes
0007	Quartz FCU	00:19	74.5			HPF	cal							Yes
0008	Quartz FCU	00:20	74.5			HPF	cal							Yes
0009	Alpha Bright Cal	00:23	85.2			HPF	cal							Yes
0010	Alpha Bright Cal	00:25	85.2			HPF	cal							Yes
0011	Alpha Bright Cal	00:27	85.2			HPF	cal							Yes
0012	Alpha Bright Cal	00:29	85.2			HPF	cal							Yes
0013	LFC FCU	00:31	106.5			HPF	cal							Yes
0014	LFC FCU	00:34	106.5			HPF	cal							Yes
0015	LFC Cal	00:36	106.5			HPF	cal							Yes
0016	LFC Cal	00:39	106.5			HPF	cal							Yes
0017	Etalon Cal	00:41	159.8			HPF	cal							Yes
0018	UNe Slave Cal	00:45	426			HPF	cal							Yes
lrs20000001_01	flat_Qth_R	00:46	15			LRS2	cal							Yes
lrs20000001_02	flat_Qth_R	00:47	15			LRS2	cal							Yes
lrs20000001_03	flat_Qth_R	00:49	15			LRS2	cal							Yes
lrs20000001_04	flat_Qth_R	00:50	15			LRS2	cal							Yes
lrs20000001_05	flat_Qth_R	00:51	15			LRS2	cal							Yes
lrs20000002_01	flat_ldls_long_B	00:52	20			LRS2	cal							Yes
0019	UNe Slave Cal	00:53	426			HPF	cal							Yes
lrs20000002_02	flat_ldls_long_B	00:54	20			LRS2	cal							Yes
lrs20000002_03	flat_ldls_long_B	00:55	20			LRS2	cal							Yes
lrs20000003_01	Cd-A_B	00:56	29			LRS2	cal							Yes
lrs20000003_02	Cd-A_B	00:58	29			LRS2	cal							Yes
lrs20000003_03	Cd-A_B	00:59	29			LRS2	cal							Yes
0020	UNe Slave Cal	01:01	426			HPF	cal							Yes
lrs20000004_01	FeAr_R	01:01	15			LRS2	cal							Yes
lrs20000004_02	FeAr_R	01:02	15			LRS2	cal							Yes
lrs20000004_03	FeAr_R	01:03	15			LRS2	cal							Yes
lrs20000005_01	Hg_R	01:04	20			LRS2	cal							Yes
lrs20000005_02	Hg_R	01:06	20			LRS2	cal							Yes
lrs20000005_03	Hg_R	01:07	20			LRS2	cal							Yes
lrs20000006_01	Hg_B	01:08	15			LRS2	cal							Yes
0021	UNe Slave Cal	01:09	426			HPF	cal							Yes
lrs20000006_02	Hg_B	01:10	15			LRS2	cal							Yes
lrs20000006_03	Hg_B	01:11	15			LRS2	cal							Yes
0022	UNe Slave Cal	01:16	426			HPF	cal							Yes
virus0000001_01	flat_ldls_long	01:17	15			VIRUS	cal							Yes
virus0000001_02	flat_ldls_long	01:19	15			VIRUS	cal							Yes
virus0000001_03	flat_ldls_long	01:20	15			VIRUS	cal							Yes
virus0000002_01	Cd-A	01:21	15			VIRUS	cal							Yes
virus0000002_02	Cd-A	01:23	15			VIRUS	cal							Yes
0023	UNe Slave Cal	01:24	426			HPF	cal							Yes
virus0000002_03	Cd-A	01:24	15			VIRUS	cal							Yes
virus0000003_01	Hg	01:26	15			VIRUS	cal							Yes
virus0000003_02	Hg	01:27	15			VIRUS	cal							Yes
virus0000003_03	Hg	01:28	15			VIRUS	cal							Yes
lrs20000007_01	bias	01:30	0			LRS2	cal							Yes
virus0000004_01	bias	01:30	0			VIRUS	cal							Yes
lrs20000007_02	bias	01:31	0			LRS2	cal							Yes
virus0000004_02	bias	01:31	0			VIRUS	cal							Yes
lrs20000007_03	bias	01:31	0			LRS2	cal							Yes
virus0000004_03	bias	01:32	0			VIRUS	cal							Yes
lrs20000007_04	bias	01:32	0			LRS2	cal							Yes
virus0000004_04	bias	01:33	0			VIRUS	cal							Yes
lrs20000007_05	bias	01:33	0			LRS2	cal							Yes
virus0000004_05	bias	01:33	0			VIRUS	cal							Yes
lrs20000007_06	bias	01:34	0			LRS2	cal							Yes
virus0000004_06	bias	01:34	0			VIRUS	cal							Yes
lrs20000007_07	bias	01:35	0			LRS2	cal							Yes
virus0000004_07	bias	01:35	0			VIRUS	cal							Yes
lrs20000007_08	bias	01:36	0			LRS2	cal							Yes
virus0000004_08	bias	01:36	0			VIRUS	cal							Yes
lrs20000007_09	bias	01:37	0			LRS2	cal							Yes
virus0000004_09	bias	01:37	0			VIRUS	cal							Yes
lrs20000007_10	bias	01:38	0			LRS2	cal							Yes
virus0000004_10	bias	01:38	0			VIRUS	cal							Yes
lrs20000007_11	bias	01:38	0			LRS2	cal							Yes
virus0000004_11	bias	01:39	0			VIRUS	cal							Yes
lrs20000008_01	skyflat	02:02	7			LRS2	cal							Yes
lrs20000009_01	skyflat	02:03	10			LRS2	cal							Yes
lrs20000010_01	skyflat	02:04	13			LRS2	cal							Yes
lrs20000011_01	skyflat	02:06	16			LRS2	cal							Yes
lrs20000012_01	skyflat	02:07	22			LRS2	cal							Yes
lrs20000013_01	skyflat	02:08	30			LRS2	cal							Yes
virus0000005_01	skyflat	02:12	7			VIRUS	cal							Yes
virus0000006_01	skyflat	02:13	10			VIRUS	cal							Yes
virus0000007_01	skyflat	02:14	14			VIRUS	cal							Yes
virus0000008_01	skyflat	02:16	18			VIRUS	cal							Yes
virus0000009_01	skyflat	02:17	26			VIRUS	cal							Yes
lrs20000014_01	dark	02:19	360			LRS2	cal							Yes
virus0000010_01	dark	02:19	360			VIRUS	cal							Yes
lrs20000014_02	dark	02:26	360			LRS2	cal							Yes
virus0000010_02	dark	02:26	360			VIRUS	cal							Yes
lrs20000014_03	dark	02:33	360			LRS2	cal							Yes
virus0000010_03	dark	02:33	360			VIRUS	cal							Yes
lrs20000015_01	BD+262606_056_E	03:05	60	4.0		LRS2	spec	1.58		20.11	0.70			Yes
lrs20000016_01	BD+262606_066_E	03:09	30	2.5		LRS2	spec	1.49		19.93	0.77			Yes
0024	LFC Cal	03:18	106.5			HPF	cal							Yes
virus0000011_01	parallel	03:18	2200			VIRUS	sci							Yes
lrs20000017_01	QID 928	03:18	2200	9.3	PSU26-2-008	LRS2-B	sci	1.49	1.24	19.99	0.85			Yes
0025	LFC Cal	03:21	106.5			HPF	cal							Yes
0026	LFC Cal	03:23	106.5			HPF	cal							Yes
0027	QID 742	04:02	969.1	6.8	UT26-2-007	HPF	sci	1.41	0.99	19.72	0.92	61		P4
virus0000012_01	parallel	04:02	1023			VIRUS	sci							Yes
virus0000013_01	parallel	04:24	3073			VIRUS	sci							Yes
0028	QID 871	04:25	969.1	6.8	UT26-2-009	HPF	sci	1.34	0.93	19.93	0.77	67		Yes
0029	QID 871	04:42	969.1	0.8	UT26-2-009	HPF	sci	1.39	0.95	19.95	0.81	69		Yes
0030	QID 871	04:59	969.1	0.8	UT26-2-009	HPF	sci	1.32	0.99	19.91	0.84	62		Yes
virus0000014_01	parallel	05:26	2865			VIRUS	sci							Yes
0031	QID 900	05:27	308.9	11.9	UT26-2-004	HPF	sci	1.20	0.85	19.00	0.91	300	clouds	No
0032	QID 900	05:33	308.9	0.9	UT26-2-004	HPF	sci	1.21	0.73	18.98	0.90	315		No
0033	QID 900	05:38	308.9	-0.1	UT26-2-004	HPF	sci	1.24	0.83	19.02	0.90	304		No
0034	QID 900	05:44	308.9	0.9	UT26-2-004	HPF	sci	1.26	0.78	18.85	0.87	216		No
0035	QID 900	05:50	308.9	0.9	UT26-2-004	HPF	sci	1.44	0.93	17.85	0.16	9		No
0036	LFC Cal	06:26	106.5			HPF	cal							Yes
0037	LFC Cal	06:28	106.5			HPF	cal							Yes
0038	LFC Cal	06:30	106.5			HPF	cal							Yes
virus0000015_01	parallel	07:45	500			VIRUS	sci							Yes
lrs20000018_01	QID 665	07:45	500	0.7	PSU26-2-004	LRS2-B	sci	1.52		21.35	0.77			Yes
0039	LFC Cal	07:46	106.5			HPF	cal							Yes
0040	LFC Cal	07:48	106.5			HPF	cal							Yes
0041	LFC Cal	07:50	106.5			HPF	cal							Yes
0042	QID 864	08:01	915.9	6.7	UT26-2-009	HPF	sci	1.63	1.27	20.13	1.36	52		Yes
virus0000016_01	parallel	08:01	2941			VIRUS	sci							Yes
0043	QID 864	08:17	915.9	0.7	UT26-2-009	HPF	sci	1.67	1.42	20.15	1.32	60		Yes
0044	QID 864	08:33	915.9	1.7	UT26-2-009	HPF	sci	1.49	1.18	20.21	1.25	53		Yes
0045	HR7958_tell_std	08:56	330.2	7.5		HPF	telluric	1.73	1.58	20.20	0.93			Yes
0046	LFC Cal	09:04	106.5			HPF	cal							Yes
virus0000017_01	parallel	09:10	9421			VIRUS	eng							Yes
0047	HD_185144	09:11	74.5	8.8	ENG26-2-006	HPF	eng	1.57	1.28	19.60	1.17	604	not enough time to finish till 12 degrees. aborted.	No
0048	HD_185144	09:13	74.5	0.8	ENG26-2-006	HPF	eng	1.53	1.38	19.63	1.16	611		No
0049	HD_185144	09:14	74.5	0.8	ENG26-2-006	HPF	eng	1.48	1.32	19.63	1.14			No
0050	LFC Cal	09:17	106.5			HPF	cal							Yes
0051	QID 811	09:24	969.1	7.8	PSU26-2-015	HPF	sci	1.73	1.23	20.27	0.86	282		Yes
virus0000018_01	parallel	09:24	2047			VIRUS	sci							Yes
0052	QID 811	09:41	969.1	0.8	PSU26-2-015	HPF	sci	1.74	1.19	20.26	0.88	316		Yes
0053	LFC Cal	09:59	106.5			HPF	cal							Yes
lrs20000019_01	QID 347	10:03	180	6.0	UT26-2-017	LRS2-B	sci	1.70	1.38	21.59	0.92			P4
0054	LFC Cal	10:04	106.5			HPF	cal							Yes
0055	LFC Cal	10:10	106.5			HPF	cal							Yes
virus0000019_01	parallel	10:10	360			VIRUS	sci							Yes
lrs20000020_01	QID 348	10:10	360	4.0	UT26-2-017	LRS2-R	sci	1.67	1.17	20.90	1.00			P4
0056	LFC Cal	10:12	106.5			HPF	cal							Yes
virus0000020_01	parallel	10:23	1023			VIRUS	sci							Yes
0057	QID 115	10:24	969.1	7.8	UT26-2-019	HPF	sci	1.69	1.22	20.36	0.96	425		P4
0058	LFC Cal	10:42	106.5			HPF	cal							Yes
0059	LFC Cal	10:45	106.5			HPF	cal							Yes
lrs20000021_01	QID 323	10:45	180	5.0	UT26-2-017	LRS2-B	sci	1.66	1.34	20.82	0.84			P4
0060	LFC Cal	10:52	106.5			HPF	cal							Yes
virus0000021_01	parallel	10:52	360			VIRUS	sci							Yes
lrs20000022_01	QID 324	10:52	360	4.0	UT26-2-017	LRS2-R	sci	1.74	1.43	20.15	1.08			P4
0061	LFC Cal	10:54	106.5			HPF	cal							Yes
lrs20000023_01	bias	10:59	0			LRS2	cal							Yes
virus0000022_01	bias	10:59	0			VIRUS	cal							Yes
virus0000023_01	Cd-A	11:01	15		ENG26-2-002	VIRUS	cal							Yes
virus0000024_01	Hg	11:02	15		ENG26-2-002	VIRUS	cal							Yes
0062	Dark	11:12	319.5			HPF	cal							Yes
0063	Quartz FCU	11:24	74.5			HPF	cal							Yes
0064	Quartz FCU	11:25	74.5			HPF	cal							Yes
0065	Quartz FCU	11:27	74.5			HPF	cal							Yes
0066	Quartz FCU	11:29	74.5			HPF	cal							Yes
0067	Quartz FCU	11:31	74.5			HPF	cal							Yes
0068	Quartz FCU	11:32	74.5			HPF	cal							Yes
0069	Quartz FCU	11:34	74.5			HPF	cal							Yes
0070	Alpha Bright Cal	11:37	85.2			HPF	cal							Yes
0071	Alpha Bright Cal	11:38	85.2			HPF	cal							Yes
0072	Alpha Bright Cal	11:40	85.2			HPF	cal							Yes
0073	Alpha Bright Cal	11:42	85.2			HPF	cal							Yes
0074	LFC FCU	11:45	106.5			HPF	cal							Yes
0075	LFC FCU	11:47	106.5			HPF	cal							Yes
0076	LFC FCU	11:50	106.5			HPF	cal							Yes
0077	LFC FCU	11:52	106.5			HPF	cal							Yes
0078	LFC FCU	11:54	106.5			HPF	cal							Yes
0079	LFC FCU	11:57	106.5			HPF	cal							Yes
0080	LFC Cal	11:59	106.5			HPF	cal							Yes
0081	LFC Cal	12:02	106.5			HPF	cal							Yes
0082	Etalon Cal	12:10	159.8			HPF	cal							Yes
0083	Etalon Cal	12:13	159.8			HPF	cal							Yes
0084	Etalon Cal	12:16	159.8			HPF	cal							Yes
0085	Etalon Cal	12:19	159.8			HPF	cal							Yes
0086	UNe Slave Cal	12:23	426			HPF	cal							Yes
0087	UNe Slave Cal	12:30	426			HPF	cal							Yes
0088	UNe Slave Cal	12:38	426			HPF	cal							Yes
0089	UNe Slave Cal	12:46	426			HPF	cal							Yes
0090	UNe Slave Cal	12:54	426			HPF	cal							Yes
0091	UNe Slave Cal	13:02	426			HPF	cal							Yes
0059	LFC Cal	23:40	106.5			HPF	cal							Yes
lrs20009900_01	bias	23:51	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	23:52	20			VIRUS	cal							Yes
virus0009901_01	bias	23:53	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	23:54	20			LRS2	cal							Yes
virus0009902_01	dark	23:55	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	23:56	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	23:58	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	23:59	15			LRS2	cal							Yes

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