HET Night Report Reader

Civil Date	Ephemerides
2026-01-04	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	00:16	01:04	01:33	12:28	12:58	13:47	01:51	-
Night Length	10:55		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator
Zach Vanderbosch	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
00:12	14.0	12.9	12:59	twilight	12:47
Total Time Open					12:47

Program	Night Priority	Science
01:33	Idle due to weather (Clouds)
05:50	Science
06:13	Idle due to weather (Clouds)
06:24	Science
07:53	Idle due to weather (Clouds)
08:40	Science
10:34	Idle due to weather (Poor IQ)
10:41	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
00:47	01:10	0.47	0.71	0	-2082	13.5	13.2	13.1	263	8	First of Night
12:51	12:58	1.00	1.57	110	-1028	9.9	10.7	11.0	284	14	Post-Observing

Problem Reports					no PRs

TO Comments	Clouded out for much of night.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
lrs20000023_01	Hg_B	00:00	15			LRS2	cal							Yes
lrs20000023_02	Hg_B	00:02	15			LRS2	cal							Yes
lrs20000023_03	Hg_B	00:03	15			LRS2	cal							Yes
0001	UNe Slave Cal	00:13	426			HPF	cal							Yes
0002	UNe Slave Cal	00:20	426			HPF	cal							Yes
lrs20000001_01	skyflat	00:21	7			LRS2	cal							Yes
lrs20000002_01	skyflat	00:22	10			LRS2	cal							Yes
lrs20000003_01	skyflat	00:23	13			LRS2	cal							Yes
lrs20000004_01	skyflat	00:24	16			LRS2	cal							Yes
lrs20000005_01	skyflat	00:26	22			LRS2	cal							Yes
lrs20000006_01	skyflat	00:27	30			LRS2	cal							Yes
0003	UNe Slave Cal	00:28	426			HPF	cal							Yes
virus0000001_01	skyflat	00:35	7			VIRUS	cal							Yes
0004	UNe Slave Cal	00:36	426			HPF	cal							Yes
virus0000002_01	skyflat	00:36	10			VIRUS	cal							Yes
virus0000003_01	skyflat	00:37	14			VIRUS	cal							Yes
virus0000004_01	skyflat	00:39	18			VIRUS	cal							Yes
virus0000005_01	skyflat	00:40	26			VIRUS	cal							Yes
0005	UNe Slave Cal	00:44	426			HPF	cal							Yes
virus0000006_01	flat_ldls_long	00:48	15			VIRUS	cal							Yes
virus0000006_02	flat_ldls_long	00:49	15			VIRUS	cal							Yes
0006	UNe Slave Cal	00:51	426			HPF	cal							Yes
virus0000006_03	flat_ldls_long	00:51	15			VIRUS	cal							Yes
virus0000007_01	Cd-A	00:52	15			VIRUS	cal							Yes
virus0000007_02	Cd-A	00:54	15			VIRUS	cal							Yes
virus0000007_03	Cd-A	00:55	15			VIRUS	cal							Yes
virus0000008_01	Hg	00:56	15			VIRUS	cal							Yes
virus0000008_02	Hg	00:58	15			VIRUS	cal							Yes
virus0000008_03	Hg	00:59	15			VIRUS	cal							Yes
lrs20000007_01	bias	01:01	0			LRS2	cal							Yes
virus0000009_01	bias	01:01	0			VIRUS	cal							Yes
lrs20000007_02	bias	01:02	0			LRS2	cal							Yes
virus0000009_02	bias	01:02	0			VIRUS	cal							Yes
lrs20000007_03	bias	01:02	0			LRS2	cal							Yes
virus0000009_03	bias	01:03	0			VIRUS	cal							Yes
lrs20000007_04	bias	01:03	0			LRS2	cal							Yes
virus0000009_04	bias	01:04	0			VIRUS	cal							Yes
lrs20000007_05	bias	01:04	0			LRS2	cal							Yes
virus0000009_05	bias	01:04	0			VIRUS	cal							Yes
lrs20000007_06	bias	01:05	0			LRS2	cal							Yes
virus0000009_06	bias	01:05	0			VIRUS	cal							Yes
lrs20000007_07	bias	01:06	0			LRS2	cal							Yes
virus0000009_07	bias	01:06	0			VIRUS	cal							Yes
lrs20000007_08	bias	01:07	0			LRS2	cal							Yes
virus0000009_08	bias	01:07	0			VIRUS	cal							Yes
lrs20000007_09	bias	01:08	0			LRS2	cal							Yes
virus0000009_09	bias	01:08	0			VIRUS	cal							Yes
lrs20000007_10	bias	01:08	0			LRS2	cal							Yes
virus0000009_10	bias	01:09	0			VIRUS	cal							Yes
lrs20000007_11	bias	01:09	0			LRS2	cal							Yes
virus0000009_11	bias	01:10	0			VIRUS	cal							Yes
lrs20000008_01	dark	01:15	360			LRS2	cal							Yes
virus0000010_01	dark	01:15	360			VIRUS	cal							Yes
lrs20000008_02	dark	01:22	360			LRS2	cal							Yes
virus0000010_02	dark	01:22	360			VIRUS	cal							Yes
lrs20000008_03	dark	01:28	360			LRS2	cal							Yes
virus0000010_03	dark	01:29	360			VIRUS	cal							Yes
0007	LFC Cal	01:36	106.5			HPF	cal							Yes
0008	LFC Cal	01:38	106.5			HPF	cal							Yes
0009	LFC Cal	01:41	106.5			HPF	cal							Yes
0010	LFC Cal	02:43	106.5			HPF	cal							Yes
0011	LFC Cal	02:46	106.5			HPF	cal							Yes
0012	LFC Cal	02:48	106.5			HPF	cal							Yes
0013	LFC Cal	03:44	106.5			HPF	cal							Yes
0014	LFC Cal	03:46	106.5			HPF	cal							Yes
0015	LFC Cal	03:48	106.5			HPF	cal							Yes
0016	LFC Cal	04:43	106.5			HPF	cal							Yes
0017	LFC Cal	04:45	106.5			HPF	cal							Yes
0018	LFC Cal	04:48	106.5			HPF	cal							Yes
0019	LFC Cal	05:37	106.5			HPF	cal							Yes
0020	LFC Cal	05:39	106.5			HPF	cal							Yes
0021	LFC Cal	05:41	106.5			HPF	cal							Yes
0022	HR982_tell_std	05:57	117.2	7.0		HPF	telluric	1.50		17.59	0.50			Yes
lrs20000009_01	BD+541216_056_E	06:08	60	9.0		LRS2	spec	1.79		17.59	0.47			Yes
lrs20000010_01	BD+541216_066_E	06:12	30	3.5		LRS2	spec	1.78		17.13	0.57			Yes
0023	QID 1762	06:29	532.5	5.1	UT26-1-014	HPF	sci	1.35		17.50	0.58	403		Yes
virus0000011_01	parallel	06:29	583			VIRUS	sci							Yes
0024	LFC Cal	06:39	106.5			HPF	cal							Yes
0025	QID 1883	06:45	915.9	7.7	M26-1-012	HPF	sci	1.31		19.05	0.92	71		Yes
virus0000012_01	parallel	06:45	1959			VIRUS	sci							Yes
0026	QID 1883	07:01	915.9	0.7	M26-1-012	HPF	sci	1.34		18.95	0.93	59		Yes
virus0000013_01	parallel	07:23	1145			VIRUS	sci							Yes
0027	QID 342	07:24	521.9	7.3	UT26-1-015	HPF	sci	1.47		18.39	0.87	138		Yes
0028	QID 342	07:33	521.9	0.3	UT26-1-015	HPF	sci	1.40		17.68	0.65	117	Passing clouds caused sky brightness to increase. Please check data and reject if needed.	Yes
0029	QID 343	07:49	245	6.9	UT26-1-015	HPF	sci	1.43		18.20	0.65	465		Yes
lrs20000011_01	QID 1849	08:46	10	5.8	PSU26-1-012	LRS2-B	sci	3.22		17.97	0.79		Defocused, no saturated fibers.	Yes
virus0000014_01	parallel	08:54	2047			VIRUS	sci							Yes
0030	QID 1513	08:55	969.1	8.8	UT26-1-010	HPF	sci	1.53		17.91	0.90	170		Yes
0031	QID 1513	09:12	969.1	0.8	UT26-1-010	HPF	sci	1.73		17.30	0.76	150	Passing clouds caused sky brightness to increase. Please check data and reject if needed.	Yes
0032	LFC Cal	09:30	106.5			HPF	cal							Yes
0033	QID 1094	09:37	74.5	8.8	PSU26-1-011	HPF	sci	1.61		18.96	0.94	649		P4
0034	QID 1776	09:46	969.1	8.8	UT26-1-014	HPF	sci	1.34		17.93	0.86	548		Yes
virus0000015_01	parallel	09:46	1023			VIRUS	sci							Yes
0035	LFC Cal	10:04	106.5			HPF	cal							Yes
0036	QID 1842	10:11	32	8.5	PSU26-1-011	HPF	sci	1.94		18.96	0.69	359		P4
virus0000016_01	parallel	10:17	1023			VIRUS	sci							Yes
0037	QID 1783	10:18	969.1	5.8	UT26-1-014	HPF	sci	2.11		19.07	0.63	314		Yes
0038	LFC Cal	10:35	106.5			HPF	cal							Yes
0039	QID 320	10:47	191.7	6.8	UT26-1-007	HPF	sci	1.47		17.41	0.86	420		P4
virus0000017_01	parallel	10:47	664			VIRUS	sci							Yes
0040	QID 320	10:51	191.7	-0.2	UT26-1-007	HPF	sci	1.45		17.38	0.86	409		P4
0041	QID 320	10:55	191.7	0.8	UT26-1-007	HPF	sci	1.43		17.38	0.86	384		P4
0042	QID 1845	11:06	32	7.5	PSU26-1-011	HPF	sci	1.86		19.08	0.83	405		Yes
0043	QID 1840	11:11	32	4.5	PSU26-1-011	HPF	sci	2.02		19.05	0.79	363		P4
virus0000018_01	parallel	11:20	1023			VIRUS	sci							Yes
0044	QID 1859	11:21	969.1	9.8	PSU26-1-007	HPF	sci	2.19		18.75	0.75	31		P4
0045	LFC Cal	11:39	106.5			HPF	cal							Yes
0046	HR3799_tell_std	11:46	117.2	8.0		HPF	telluric	1.31		18.26	0.80			Yes
virus0000019_01	parallel	11:54	1023			VIRUS	sci							Yes
0047	QID 1818	11:55	969.1	7.8	UT26-1-014	HPF	sci	1.43		16.77	0.88	289	Nearby moon, sky slightly brighter than 17-mag. Please check data and reject if needed.	Yes
0048	LFC Cal	12:13	106.5			HPF	cal							Yes
0049	QID 21	12:17	969.1	5.8	UT26-1-003	HPF	sci	1.79		19.05	0.85	40		Yes
virus0000020_01	parallel	12:17	2047			VIRUS	sci							Yes
0050	QID 21	12:34	969.1	1.8	UT26-1-003	HPF	sci	1.68		18.61	0.80	43		Yes
lrs20000012_01	bias	12:54	0			LRS2	cal							Yes
virus0000021_01	bias	12:54	0			VIRUS	cal							Yes
virus0000022_01	Cd-A	12:59	15		ENG26-1-002	VIRUS	cal							Yes
virus0000023_01	Hg	13:00	15		ENG26-1-002	VIRUS	cal							Yes
0051	Dark	13:08	319.5			HPF	cal							Yes
0052	Quartz FCU	13:20	74.5			HPF	cal							Yes
0053	Quartz FCU	13:22	74.5			HPF	cal							Yes
0054	Quartz FCU	13:23	74.5			HPF	cal							Yes
0055	Quartz FCU	13:25	74.5			HPF	cal							Yes
0056	Quartz FCU	13:27	74.5			HPF	cal							Yes
0057	Quartz FCU	13:29	74.5			HPF	cal							Yes
0058	Quartz FCU	13:31	74.5			HPF	cal							Yes
0059	Alpha Bright Cal	13:33	85.2			HPF	cal							Yes
0060	Alpha Bright Cal	13:35	85.2			HPF	cal							Yes
0061	Alpha Bright Cal	13:37	85.2			HPF	cal							Yes
0062	Alpha Bright Cal	13:39	85.2			HPF	cal							Yes
0063	LFC FCU	13:42	106.5			HPF	cal							Yes
0064	LFC FCU	13:44	106.5			HPF	cal							Yes
0065	LFC FCU	13:46	106.5			HPF	cal							Yes
0066	LFC FCU	13:48	106.5			HPF	cal							Yes
0067	LFC FCU	13:51	106.5			HPF	cal							Yes
0068	LFC FCU	13:53	106.5			HPF	cal							Yes
0069	LFC Cal	13:56	106.5			HPF	cal							Yes
0070	LFC Cal	13:58	106.5			HPF	cal							Yes
0071	Etalon Cal	14:06	159.8			HPF	cal							Yes
0072	Etalon Cal	14:09	159.8			HPF	cal							Yes
0073	Etalon Cal	14:12	159.8			HPF	cal							Yes
0074	Etalon Cal	14:16	159.8			HPF	cal							Yes
0075	UNe Slave Cal	14:19	426			HPF	cal							Yes
0076	UNe Slave Cal	14:27	426			HPF	cal							Yes
0077	UNe Slave Cal	14:35	426			HPF	cal							Yes
0078	UNe Slave Cal	14:43	426			HPF	cal							Yes
0079	UNe Slave Cal	14:50	426			HPF	cal							Yes
0098	LFC Cal	21:55	106.5			HPF	cal							Yes
lrs20009900_01	bias	22:05	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	22:06	20			VIRUS	cal							Yes
virus0009901_01	bias	22:08	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	22:08	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	22:13	15			LRS2	cal							Yes
virus0006060_01	flat_ldls_long	22:33	15			VIRUS	cal							Yes
virus0006061_01	bias	22:35	0			VIRUS	cal							Yes
virus0009903_01	flat_Qth	22:50	15			VIRUS	cal							Yes
virus0009904_01	bias	22:52	0			VIRUS	cal							Yes
0099	Dark	22:55	319.5			HPF	cal							Yes
0100	Quartz FCU	23:02	74.5			HPF	cal							Yes
0101	Quartz FCU	23:04	74.5			HPF	cal							Yes
0102	Quartz FCU	23:06	74.5			HPF	cal							Yes
0103	Quartz FCU	23:07	74.5			HPF	cal							Yes
0104	Quartz FCU	23:09	74.5			HPF	cal							Yes
0105	Quartz FCU	23:11	74.5			HPF	cal							Yes
0106	Quartz FCU	23:13	74.5			HPF	cal							Yes
0107	Alpha Bright Cal	23:15	85.2			HPF	cal							Yes
0108	Alpha Bright Cal	23:17	85.2			HPF	cal							Yes
0109	Alpha Bright Cal	23:19	85.2			HPF	cal							Yes
0110	Alpha Bright Cal	23:21	85.2			HPF	cal							Yes
0111	LFC FCU	23:24	106.5			HPF	cal							Yes
0112	LFC FCU	23:26	106.5			HPF	cal							Yes
0113	LFC Cal	23:29	106.5			HPF	cal							Yes
0114	LFC Cal	23:31	106.5			HPF	cal							Yes
0115	Etalon Cal	23:34	159.8			HPF	cal							Yes
lrs20000018_01	flat_Qth_R	23:38	15			LRS2	cal							Yes
lrs20000018_02	flat_Qth_R	23:39	15			LRS2	cal							Yes
lrs20000018_03	flat_Qth_R	23:41	15			LRS2	cal							Yes
lrs20000018_04	flat_Qth_R	23:42	15			LRS2	cal							Yes
lrs20000018_05	flat_Qth_R	23:43	15			LRS2	cal							Yes
lrs20000019_01	flat_ldls_long_B	23:44	20			LRS2	cal							Yes
lrs20000019_02	flat_ldls_long_B	23:46	20			LRS2	cal							Yes
lrs20000019_03	flat_ldls_long_B	23:47	20			LRS2	cal							Yes
lrs20000020_01	Cd-A_B	23:48	29			LRS2	cal							Yes
lrs20000020_02	Cd-A_B	23:50	29			LRS2	cal							Yes
lrs20000020_03	Cd-A_B	23:51	29			LRS2	cal							Yes
lrs20000021_01	FeAr_R	23:53	15			LRS2	cal							Yes
lrs20000021_02	FeAr_R	23:54	15			LRS2	cal							Yes
lrs20000021_03	FeAr_R	23:55	15			LRS2	cal							Yes
lrs20000022_01	Hg_R	23:56	20			LRS2	cal							Yes
lrs20000022_02	Hg_R	23:58	20			LRS2	cal							Yes
lrs20000022_03	Hg_R	23:59	20			LRS2	cal							Yes