HET Night Report Reader

Civil Date	Ephemerides
2026-01-03	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	00:15	01:03	01:33	12:28	12:57	13:47	00:39	-
Night Length	10:55		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator
Justen Pautzke	Amy Westfall

Overlaps
TO Overlap	RA Overlap
-	Zach Vanderbosch

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
00:10			13:12	twilight	13:02
Total Time Open					13:02

Program	Night Priority	Science
01:33	Science
03:29	Idle due to weather (Clouds)
04:11	Science
07:01	Idle due to weather (Clouds)
07:15	Science
07:53	Idle due to weather (Thin bright clouds)
08:03	Science
08:14	Idle due to weather (Thin bright clouds)
08:17	Science
11:50	Science
12:23	Idle due to weather (Thin bright clouds)

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
00:40	01:09	0.40	0.63	-25	-1522	11.4	12.1	12.2	87	5	First of Night
08:18	08:51	0.42	0.67	-55	+564	9.6	9.7	9.8	193	23	Stack/Re-stack
13:06	13:12	0.46	0.70	-265	+564	10.5	10.1	10.0	200	19	Post-Observing

Problem Reports
PR Number	Times	Time Lost	Description	Response
6617	01:09-01:09, 07:29-07:29, 11:10-11:10	00:00	HObS scheduling low priority targets when higher priority are available.
6618	10:48-10:53	00:05	HObS scheduled target within 12 degrees of moon.

TO Comments	Persistent thin cirrus clouds with bright moon.

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	00:12	298.2			HPF	cal					305		Yes
lrs20000001_01	skyflat	00:19	7			LRS2	cal							Yes
lrs20000002_01	skyflat	00:21	10			LRS2	cal							Yes
lrs20000003_01	skyflat	00:22	13			LRS2	cal							Yes
lrs20000004_01	skyflat	00:23	16			LRS2	cal							Yes
lrs20000005_01	skyflat	00:24	22			LRS2	cal							Yes
lrs20000006_01	skyflat	00:25	30			LRS2	cal							Yes
virus0000001_01	skyflat	00:29	7			VIRUS	cal							Yes
virus0000002_01	skyflat	00:30	10			VIRUS	cal							Yes
virus0000003_01	skyflat	00:31	14			VIRUS	cal							Yes
virus0000004_01	skyflat	00:33	18			VIRUS	cal							Yes
virus0000005_01	skyflat	00:34	26			VIRUS	cal							Yes
lrs20000007_01	bias	00:36	0			LRS2	cal							Yes
lrs20000007_02	bias	00:36	0			LRS2	cal							Yes
virus0000006_01	bias	00:36	0			VIRUS	cal							Yes
virus0000006_02	bias	00:37	0			VIRUS	cal							Yes
lrs20000007_03	bias	00:37	0			LRS2	cal							Yes
virus0000006_03	bias	00:37	0			VIRUS	cal							Yes
lrs20000007_04	bias	00:38	0			LRS2	cal							Yes
virus0000006_04	bias	00:38	0			VIRUS	cal							Yes
lrs20000007_05	bias	00:39	0			LRS2	cal							Yes
virus0000006_05	bias	00:39	0			VIRUS	cal							Yes
lrs20000007_06	bias	00:40	0			LRS2	cal							Yes
virus0000006_06	bias	00:40	0			VIRUS	cal							Yes
lrs20000007_07	bias	00:41	0			LRS2	cal							Yes
virus0000006_07	bias	00:41	0			VIRUS	cal							Yes
lrs20000007_08	bias	00:42	0			LRS2	cal							Yes
lrs20000007_09	bias	00:42	0			LRS2	cal							Yes
virus0000006_08	bias	00:42	0			VIRUS	cal							Yes
lrs20000007_10	bias	00:43	0			LRS2	cal							Yes
virus0000006_09	bias	00:43	0			VIRUS	cal							Yes
virus0000006_10	bias	00:44	0			VIRUS	cal							Yes
lrs20000007_11	bias	00:44	0			LRS2	cal							Yes
virus0000006_11	bias	00:45	0			VIRUS	cal							Yes
0002	LFC Cal	00:54	106.5			HPF	cal							Yes
0003	LFC Cal	00:57	106.5			HPF	cal							Yes
0004	LFC Cal	00:59	106.5			HPF	cal							Yes
virus0000007_01	parallel	01:15	1959			VIRUS	sci							Yes
0005	QID 1883	01:16	915.9	6.7	M26-1-012	HPF	sci	1.50	0.97	18.99	0.77	64		Yes
0006	QID 1883	01:32	915.9	0.7	M26-1-012	HPF	sci	1.37	0.72	18.90	0.84	67		Yes
0007	HR598_tell_std	01:55	330.2	7.5		HPF	telluric	1.36	0.95	18.94	0.93			Yes
virus0000008_01	parallel	02:06	1145			VIRUS	sci							Yes
0008	QID 342	02:07	521.9	7.3	UT26-1-015	HPF	sci	1.35	0.99	18.02	0.78	132		Yes
0009	QID 342	02:16	521.9	0.3	UT26-1-015	HPF	sci	1.39	1.22	17.95	0.77	131		Yes
0010	QID 343	02:33	245	8.9	UT26-1-015	HPF	sci	1.58	1.73	17.60	0.75	436	Sky brighter than requested. Variable brightness due to thin clouds. Non-active guider showed ~17.9 mag/arcsec^2	Yes
virus0000009_01	parallel	02:47	319			VIRUS	sci							Yes
0011	QID 1757	02:48	276.9	9.4	UT26-1-014	HPF	sci	1.73	1.05	18.10	0.75	425		P4
0012	LFC Cal	02:54	106.5			HPF	cal							Yes
lrs20000008_01	G191B2B_056_E	02:59	60	7.0		LRS2	spec	1.93	1.66	17.54	0.57			Yes
lrs20000009_01	G191B2B_066_E	03:04	120	4.0		LRS2	spec	1.50	0.99	16.84	0.51			Yes
virus0000010_01	parallel	03:12	1023			VIRUS	sci							Yes
0013	QID 1797	03:13	969.1	6.8	UT26-1-014	HPF	sci	1.41	0.96	17.45	0.82	431		Yes
0014	LFC Cal	03:30	106.5			HPF	cal							Yes
virus0000011_01	parallel	03:37	2047			VIRUS	sci							Yes
0015	QID 1308	03:38	969.1	8.8	PSU26-1-023	HPF	sci	1.47	1.03	17.56	0.69	54		No
0016	QID 1308	03:55	969.1	0.8	PSU26-1-023	HPF	sci	1.70	1.06	16.51	0.21	39	Clouds	No
0017	LFC Cal	04:13	106.5			HPF	cal							Yes
0018	QID 1309	04:18	649.6	7.2	PSU26-1-023	HPF	sci	1.70	1.55	19.21	0.96	354		Yes
virus0000012_01	parallel	04:18	2083			VIRUS	sci							Yes
0019	QID 1309	04:30	649.6	1.2	PSU26-1-023	HPF	sci	1.85	1.37	19.14	0.93	313		Yes
0020	QID 1309	04:42	649.6	1.2	PSU26-1-023	HPF	sci	1.81	1.33	18.92	0.95	261		Yes
0021	LFC Cal	04:54	106.5			HPF	cal							Yes
virus0000013_01	parallel	05:02	2047			VIRUS	sci							Yes
0022	QID 1307	05:03	969.1	9.8	PSU26-1-023	HPF	sci	1.62	1.17	19.08	0.82	139		Yes
0023	QID 1307	05:20	969.1	0.8	PSU26-1-023	HPF	sci	1.63	1.37	18.87	0.83	114		Yes
0024	LFC Cal	05:38	106.5			HPF	cal							Yes
0025	QID 1595	05:41	617.7	5.7	UT26-1-007	HPF	sci	1.85	1.71	18.64	0.85	82		Yes
virus0000014_01	parallel	05:41	1984			VIRUS	sci							Yes
0026	QID 1595	05:53	617.7	0.7	UT26-1-007	HPF	sci	1.89	1.38	18.67	0.81	78		Yes
0027	QID 1595	06:04	617.7	0.7	UT26-1-007	HPF	sci	1.96	1.52	18.08	0.75	63		Yes
0028	LFC Cal	06:16	106.5			HPF	cal							Yes
lrs20000010_01	BD+210607_056_W	06:20	30	6.5		LRS2	spec	1.99	1.59	17.95	0.61			Yes
0029	LFC Cal	06:22	106.5			HPF	cal							Yes
virus0000015_01	parallel	06:29	1959			VIRUS	sci							Yes
0030	QID 1883	06:30	915.9	8.7	M26-1-012	HPF	sci	1.55	1.23	18.03	0.80	60		Yes
0031	QID 1883	06:46	915.9	0.7	M26-1-012	HPF	sci	1.65	1.23	18.00	0.80	59		Yes
0032	LFC Cal	07:04	106.5			HPF	cal							Yes
0033	QID 1762	07:20	532.5	5.1	UT26-1-014	HPF	sci	1.84	1.39	17.92	0.80	458		Yes
virus0000016_01	parallel	07:20	583			VIRUS	sci							Yes
0034	LFC Cal	07:31	106.5			HPF	cal							Yes
0035	LFC Cal	07:37	106.5			HPF	cal							Yes
lrs20000011_01	QID 1574	07:37	1000	7.3	PSU26-1-012	LRS2-B	sci	1.90	1.10	18.12	0.85			Yes
virus0000017_01	parallel	07:37	1000			VIRUS	sci							Yes
0036	LFC Cal	07:39	106.5			HPF	cal							Yes
0037	LFC Cal	07:42	106.5			HPF	cal							Yes
0038	LFC Cal	08:07	106.5			HPF	cal							Yes
virus0000018_01	parallel	08:07	400			VIRUS	sci							Yes
lrs20000012_01	QID 445	08:07	400	4.3	PSU26-1-014	LRS2-B	sci	1.98	1.53	18.14	0.94			P4
0039	LFC Cal	08:09	106.5			HPF	cal							Yes
0040	LFC Cal	08:12	106.5			HPF	cal							Yes
0041	LFC Cal	08:36	106.5			HPF	cal							Yes
0042	LFC Cal	08:38	106.5			HPF	cal							Yes
0043	LFC Cal	08:40	106.5			HPF	cal							Yes
0044	LFC Cal	08:57	106.5			HPF	cal							Yes
virus0000019_01	parallel	08:57	360			VIRUS	sci							Yes
lrs20000013_01	QID 1579	08:57	360	6.0	PSU26-1-012	LRS2-B	sci	1.59	1.64	17.97	0.82			Yes
0045	LFC Cal	09:00	106.5			HPF	cal							Yes
virus0000020_01	parallel	09:08	2047			VIRUS	sci							Yes
0046	QID 1888	09:09	969.1	5.8	UT26-1-003	HPF	sci	1.47	1.24	18.80	0.82	70		Yes
0047	QID 1888	09:26	969.1	0.8	UT26-1-003	HPF	sci	1.29	0.99	18.82	0.85	74		Yes
0048	LFC Cal	09:44	106.5			HPF	cal							Yes
virus0000021_01	parallel	09:47	1959			VIRUS	sci							Yes
0049	QID 434	09:48	915.9	5.7	G26-1-002	HPF	sci	1.55	1.58	18.98	0.65	38		Yes
0050	QID 434	10:04	915.9	0.7	G26-1-002	HPF	sci	1.67	1.75	19.00	0.70	36		Yes
0051	LFC Cal	10:21	106.5			HPF	cal							Yes
0052	QID 1847	10:26	32	6.5	PSU26-1-011	HPF	sci	1.58	1.27	18.94	0.83	492		Yes
0053	QID 1783	10:32	969.1	5.8	UT26-1-014	HPF	sci	1.45	1.30	19.08	0.83	444		Yes
virus0000022_01	parallel	10:32	1023			VIRUS	sci							Yes
0054	LFC Cal	10:50	106.5			HPF	cal							Yes
lrs20000014_01	HD116405_056_E	10:59	15	5.8		LRS2	spec	1.47		18.69	0.65			Yes
lrs20000015_01	HD116405_066_E	11:02	15	2.8		LRS2	spec	1.43		18.63	0.75			Yes
0055	HR3173_tell_std	11:08	117.2	6.0		HPF	telluric	1.37		17.61	0.92			Yes
virus0000023_01	parallel	11:16	2047			VIRUS	sci							Yes
0056	QID 1728	11:17	969.1	6.8	UT26-1-003	HPF	sci	1.58		18.87	0.96	30		Yes
0057	QID 1728	11:34	969.1	0.8	UT26-1-003	HPF	sci	1.81	1.52	18.81	0.91	25	IQ variable during exposure, sngoal still reached. Please reject if not useful.	Yes
0058	QID 1845	11:58	32	8.5	PSU26-1-011	HPF	sci	1.73	1.17	18.40	0.76	367		Yes
0059	QID 1840	12:04	32	5.5	PSU26-1-011	HPF	sci	1.76	1.63	18.27	0.74	444		P4
virus0000024_01	parallel	12:12	600			VIRUS	sci							Yes
0060	LFC Cal	12:13	106.5			HPF	cal							Yes
lrs20000016_01	QID 15	12:13	600	8.0	PSU26-1-009	LRS2-B	sci	1.57	1.18	18.35	0.56			P4
0061	LFC Cal	12:15	106.5			HPF	cal							Yes
0062	LFC Cal	12:17	106.5			HPF	cal							Yes
0063	LFC Cal	12:27	106.5			HPF	cal							Yes
0064	QID 1843	12:40	32	8.5	PSU26-1-011	HPF	sci	1.65	1.27	18.87	0.51	334		Yes
virus0000025_01	parallel	12:46	1060			VIRUS	sci							Yes
0065	QID 1590	12:47	308.9	6.9	UT26-1-007	HPF	sci	1.75	1.83	18.52	0.84	58	Early in track.	Yes
0066	QID 1590	12:53	308.9	0.9	UT26-1-007	HPF	sci	1.73	1.19	17.85	0.81	66		Yes
0067	QID 1590	12:59	308.9	0.9	UT26-1-007	HPF	sci	1.80	2.52	17.00	0.77	61		Yes
lrs20000017_01	bias	13:06	0			LRS2	cal							Yes
virus0000026_01	bias	13:06	0			VIRUS	cal							Yes
virus0000027_01	Cd-A	13:11	15		ENG26-1-002	VIRUS	cal							Yes
virus0000028_01	Hg	13:12	15		ENG26-1-002	VIRUS	cal							Yes
0068	Dark	13:16	319.5			HPF	cal							Yes
0069	Quartz FCU	13:27	74.5			HPF	cal							Yes
0070	Quartz FCU	13:29	74.5			HPF	cal							Yes
0071	Quartz FCU	13:31	74.5			HPF	cal							Yes
0072	Quartz FCU	13:33	74.5			HPF	cal							Yes
0073	Quartz FCU	13:35	74.5			HPF	cal							Yes
0074	Quartz FCU	13:36	74.5			HPF	cal							Yes
0075	Quartz FCU	13:38	74.5			HPF	cal							Yes
0076	Alpha Bright Cal	13:40	85.2			HPF	cal							Yes
0077	Alpha Bright Cal	13:42	85.2			HPF	cal							Yes
0078	Alpha Bright Cal	13:44	85.2			HPF	cal							Yes
0079	Alpha Bright Cal	13:46	85.2			HPF	cal							Yes
0080	LFC FCU	13:49	106.5			HPF	cal							Yes
0081	LFC FCU	13:51	106.5			HPF	cal							Yes
0082	LFC FCU	13:54	106.5			HPF	cal							Yes
0083	LFC FCU	13:56	106.5			HPF	cal							Yes
0084	LFC FCU	13:58	106.5			HPF	cal							Yes
0085	LFC FCU	14:01	106.5			HPF	cal							Yes
0086	LFC Cal	14:04	106.5			HPF	cal							Yes
0087	LFC Cal	14:06	106.5			HPF	cal							Yes
0088	Etalon Cal	14:13	159.8			HPF	cal							Yes
0089	Etalon Cal	14:17	159.8			HPF	cal							Yes
0090	Etalon Cal	14:20	159.8			HPF	cal							Yes
0091	Etalon Cal	14:23	159.8			HPF	cal							Yes
0092	UNe Slave Cal	14:27	426			HPF	cal							Yes
0093	UNe Slave Cal	14:34	426			HPF	cal							Yes
0094	UNe Slave Cal	14:42	426			HPF	cal							Yes
0095	UNe Slave Cal	14:50	426			HPF	cal							Yes
0096	UNe Slave Cal	14:58	426			HPF	cal							Yes
0085	LFC Cal	21:56	106.5			HPF	cal							Yes
lrs20009900_01	bias	22:06	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	22:07	20			VIRUS	cal							Yes
virus0009901_01	bias	22:08	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	22:09	20			LRS2	cal							Yes
virus0009902_01	dark	22:10	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:11	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:12	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:14	15			LRS2	cal							Yes
0086	Dark	22:18	319.5			HPF	cal							Yes
0087	Quartz FCU	22:25	74.5			HPF	cal							Yes
0088	Quartz FCU	22:26	74.5			HPF	cal							Yes
0089	Quartz FCU	22:28	74.5			HPF	cal							Yes
0090	Quartz FCU	22:30	74.5			HPF	cal							Yes
0091	Quartz FCU	22:32	74.5			HPF	cal							Yes
0092	Quartz FCU	22:34	74.5			HPF	cal							Yes
0093	Quartz FCU	22:35	74.5			HPF	cal							Yes
0094	Alpha Bright Cal	22:38	85.2			HPF	cal							Yes
0095	Alpha Bright Cal	22:40	85.2			HPF	cal							Yes
0096	Alpha Bright Cal	22:42	85.2			HPF	cal							Yes
0097	Alpha Bright Cal	22:44	85.2			HPF	cal							Yes
0098	LFC FCU	22:46	106.5			HPF	cal							Yes
0099	LFC FCU	22:49	106.5			HPF	cal							Yes
0100	LFC Cal	22:51	106.5			HPF	cal							Yes
0101	LFC Cal	22:54	106.5			HPF	cal							Yes
0102	Etalon Cal	22:56	159.8			HPF	cal							Yes
0103	UNe Slave Cal	23:00	426			HPF	cal							Yes
lrs20000014_01	flat_Qth_R	23:01	15			LRS2	cal							Yes
lrs20000014_02	flat_Qth_R	23:02	15			LRS2	cal							Yes
lrs20000014_03	flat_Qth_R	23:04	15			LRS2	cal							Yes
lrs20000014_04	flat_Qth_R	23:05	15			LRS2	cal							Yes
lrs20000014_05	flat_Qth_R	23:06	15			LRS2	cal							Yes
lrs20000015_01	flat_ldls_long_B	23:07	20			LRS2	cal							Yes
0104	UNe Slave Cal	23:08	426			HPF	cal							Yes
lrs20000015_02	flat_ldls_long_B	23:09	20			LRS2	cal							Yes
lrs20000015_03	flat_ldls_long_B	23:10	20			LRS2	cal							Yes
lrs20000016_01	Cd-A_B	23:11	29			LRS2	cal							Yes
lrs20000016_02	Cd-A_B	23:13	29			LRS2	cal							Yes
lrs20000016_03	Cd-A_B	23:14	29			LRS2	cal							Yes
0105	UNe Slave Cal	23:16	426			HPF	cal							Yes
lrs20000017_01	FeAr_R	23:16	15			LRS2	cal							Yes
lrs20000017_02	FeAr_R	23:17	15			LRS2	cal							Yes
lrs20000017_03	FeAr_R	23:18	15			LRS2	cal							Yes
lrs20000018_01	Hg_R	23:19	20			LRS2	cal							Yes
lrs20000018_02	Hg_R	23:21	20			LRS2	cal							Yes
lrs20000018_03	Hg_R	23:22	20			LRS2	cal							Yes
0106	UNe Slave Cal	23:23	426			HPF	cal							Yes
lrs20000019_01	Hg_B	23:23	15			LRS2	cal							Yes
lrs20000019_02	Hg_B	23:24	15			LRS2	cal							Yes
lrs20000019_03	Hg_B	23:26	15			LRS2	cal							Yes
0107	UNe Slave Cal	23:31	426			HPF	cal							Yes
virus0000025_01	flat_ldls_long	23:32	15			VIRUS	cal							Yes
virus0000025_02	flat_ldls_long	23:34	15			VIRUS	cal							Yes
virus0000025_03	flat_ldls_long	23:35	15			VIRUS	cal							Yes
virus0000026_01	Cd-A	23:36	15			VIRUS	cal							Yes
virus0000026_02	Cd-A	23:38	15			VIRUS	cal							Yes
0108	UNe Slave Cal	23:39	426			HPF	cal							Yes
virus0000026_03	Cd-A	23:39	15			VIRUS	cal							Yes
virus0000027_01	Hg	23:41	15			VIRUS	cal							Yes
virus0000027_02	Hg	23:42	15			VIRUS	cal							Yes
virus0000027_03	Hg	23:43	15			VIRUS	cal							Yes
lrs20000020_01	dark	23:45	360			LRS2	cal							Yes
virus0000028_01	dark	23:45	360			VIRUS	cal							Yes
lrs20000020_02	dark	23:52	360			LRS2	cal							Yes
virus0000028_02	dark	23:52	360			VIRUS	cal							Yes
lrs20000020_03	dark	23:58	360			LRS2	cal							Yes
virus0000028_03	dark	23:59	360			VIRUS	cal							Yes