HET Night Report Reader

Civil Date	Ephemerides
2026-02-05	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	00:43	01:29	01:57	12:22	12:50	13:37	04:43	-
Night Length	10:25		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator
Zach Vanderbosch	Amy Westfall

Overlaps
TO Overlap	RA Overlap
-	Sergey Rostopchin

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
00:40			12:48	twilight	12:08
Total Time Open					12:08

Program	Night Priority	Science
01:57	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
01:10	01:42	0.51	0.87	90	-3188	8.4	9.2	9.2	214	5	First of Night
12:41	12:47	0.80	1.29	230	-2960	9.2	8.0	8.0	286	8	Post-Observing

Problem Reports					no PRs

TO Comments	Clear and calm night with stable temperature.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
virus0000029_02	flat_ldls_long	00:01	15			VIRUS	cal							Yes
virus0000029_03	flat_ldls_long	00:02	15			VIRUS	cal							Yes
virus0000030_01	Cd-A	00:04	15			VIRUS	cal							Yes
0001	UNe Slave Cal	00:05	426			HPF	cal							Yes
virus0000030_02	Cd-A	00:05	15			VIRUS	cal							Yes
virus0000030_03	Cd-A	00:06	15			VIRUS	cal							Yes
virus0000031_01	Hg	00:08	15			VIRUS	cal							Yes
virus0000031_02	Hg	00:09	15			VIRUS	cal							Yes
virus0000031_03	Hg	00:10	15			VIRUS	cal							Yes
lrs20000001_01	dark	00:12	360			LRS2	cal							Yes
virus0000001_01	dark	00:12	360			VIRUS	cal							Yes
lrs20000001_02	dark	00:19	360			LRS2	cal							Yes
virus0000001_02	dark	00:19	360			VIRUS	cal							Yes
lrs20000001_03	dark	00:25	360			LRS2	cal							Yes
virus0000001_03	dark	00:26	360			VIRUS	cal							Yes
lrs20000002_01	skyflat	00:47	7			LRS2	cal							Yes
lrs20000003_01	skyflat	00:48	10			LRS2	cal							Yes
lrs20000004_01	skyflat	00:49	13			LRS2	cal							Yes
lrs20000005_01	skyflat	00:51	16			LRS2	cal							Yes
lrs20000006_01	skyflat	00:52	22			LRS2	cal							Yes
lrs20000007_01	skyflat	00:53	30			LRS2	cal							Yes
virus0000002_01	skyflat	00:56	7			VIRUS	cal							Yes
virus0000003_01	skyflat	00:57	10			VIRUS	cal							Yes
virus0000004_01	skyflat	00:58	14			VIRUS	cal							Yes
virus0000005_01	skyflat	01:00	18			VIRUS	cal							Yes
virus0000006_01	skyflat	01:01	26			VIRUS	cal							Yes
lrs20000008_01	bias	01:07	0			LRS2	cal							Yes
virus0000007_01	bias	01:07	0			VIRUS	cal							Yes
lrs20000008_02	bias	01:08	0			LRS2	cal							Yes
virus0000007_02	bias	01:08	0			VIRUS	cal							Yes
lrs20000008_03	bias	01:09	0			LRS2	cal							Yes
virus0000007_03	bias	01:09	0			VIRUS	cal							Yes
lrs20000008_04	bias	01:10	0			LRS2	cal							Yes
virus0000007_04	bias	01:10	0			VIRUS	cal							Yes
lrs20000008_05	bias	01:11	0			LRS2	cal							Yes
virus0000007_05	bias	01:11	0			VIRUS	cal							Yes
lrs20000008_06	bias	01:11	0			LRS2	cal							Yes
virus0000007_06	bias	01:12	0			VIRUS	cal							Yes
lrs20000008_07	bias	01:12	0			LRS2	cal							Yes
virus0000007_07	bias	01:12	0			VIRUS	cal							Yes
lrs20000008_08	bias	01:13	0			LRS2	cal							Yes
virus0000007_08	bias	01:13	0			VIRUS	cal							Yes
lrs20000008_09	bias	01:14	0			LRS2	cal							Yes
virus0000007_09	bias	01:14	0			VIRUS	cal							Yes
lrs20000008_10	bias	01:15	0			LRS2	cal							Yes
virus0000007_10	bias	01:15	0			VIRUS	cal							Yes
lrs20000008_11	bias	01:16	0			LRS2	cal							Yes
virus0000007_11	bias	01:16	0			VIRUS	cal							Yes
0002	LFC Cal	01:47	106.5			HPF	cal							Yes
lrs20000009_01	QID 1068	01:47	180	5.0	PSU26-1-016	LRS2-B	sci	1.46	0.98	21.38	0.78			Yes
lrs20000009_02	QID 1068	01:51	180	1.0	PSU26-1-016	LRS2-B	sci	1.38	1.04	21.44	0.78			Yes
lrs20000010_01	QID 1054	02:00	150	6.5	PSU26-1-016	LRS2-B	sci	1.42	1.09	21.61	0.97			Yes
lrs20000010_02	QID 1054	02:04	150	0.5	PSU26-1-016	LRS2-B	sci	1.31	1.08	21.63	0.99			Yes
0003	LFC Cal	02:12	106.5			HPF	cal							Yes
lrs20000011_01	parallel	02:12	360			LRS2	sci							Yes
virus0000008_01	QID 361	02:12	360	6.0	UT26-1-008	VIRUS	sci	1.50	1.26	21.86	0.85			Yes
0004	LFC Cal	02:15	106.5			HPF	cal							Yes
lrs20000011_02	parallel	02:19	360			LRS2	sci							Yes
virus0000008_02	QID 361	02:19	360	1.0	UT26-1-008	VIRUS	sci	1.52	1.31	21.86	0.85			Yes
lrs20000011_03	parallel	02:27	360			LRS2	sci							Yes
virus0000008_03	QID 361	02:27	360	2.0	UT26-1-008	VIRUS	sci	1.39	1.08	21.87	0.87			Yes
0005	LFC Cal	02:39	106.5			HPF	cal							Yes
lrs20000012_01	parallel	02:39	360			LRS2	sci							Yes
virus0000009_01	QID 365	02:39	360	6.0	UT26-1-008	VIRUS	sci	1.40	1.03	21.71	0.82			Yes
0006	LFC Cal	02:41	106.5			HPF	cal							Yes
lrs20000012_02	parallel	02:46	360			LRS2	sci							Yes
virus0000009_02	QID 365	02:46	360	1.0	UT26-1-008	VIRUS	sci	1.35	1.08	21.66	0.89			Yes
lrs20000012_03	parallel	02:53	360			LRS2	sci							Yes
virus0000009_03	QID 365	02:53	360	1.0	UT26-1-008	VIRUS	sci	1.33	1.10	21.66	0.91			Yes
virus0000010_01	parallel	03:05	2203			VIRUS	sci							Yes
0007	QID 1959	03:06	330.2	6.5	UT26-1-010	HPF	sci	1.33	1.09	20.53	0.90	396		Yes
0008	QID 1959	03:12	330.2	0.5	UT26-1-010	HPF	sci	1.28	1.27	20.53	0.89	415		Yes
0009	QID 1959	03:18	330.2	1.5	UT26-1-010	HPF	sci	1.22	1.06	20.55	0.87	399		Yes
0010	QID 1959	03:24	330.2	0.5	UT26-1-010	HPF	sci	1.12	0.98	20.54	0.85	389		Yes
0011	QID 1959	03:30	330.2	0.5	UT26-1-010	HPF	sci	1.12	1.03	20.54	0.82	350		Yes
0012	QID 1959	03:36	330.2	0.5	UT26-1-010	HPF	sci	1.03	0.89	20.56	0.80	338		Yes
0013	LFC Cal	03:43	106.5			HPF	cal							Yes
virus0000011_01	parallel	03:51	2047			VIRUS	sci							Yes
0014	QID 2516	03:52	969.1	9.8	UT26-1-003	HPF	sci	1.34	1.06	20.64	1.02	12		Yes
0015	QID 2516	04:09	969.1	0.8	UT26-1-003	HPF	sci	1.32	1.06	20.64	1.01	11		Yes
lrs20000013_01	BD+210607_056_W	04:31	30	6.5		LRS2	spec	1.39	1.08	21.46	0.98			Yes
lrs20000014_01	BD+210607_066_W	04:35	15	3.8		LRS2	spec	1.40	1.04	20.72	1.07			Yes
0016	QID 1819	04:42	969.1	5.8	UT26-1-014	HPF	sci	1.27	0.99	20.10	0.90	334		Yes
virus0000012_01	parallel	04:42	1023			VIRUS	sci							Yes
0017	LFC Cal	05:00	106.5			HPF	cal							Yes
0018	HR3799_tell_std	05:05	117.2	7.0		HPF	telluric	1.56	0.90	20.13	0.91			Yes
0019	QID 2534	05:16	308.9	8.9	UT26-1-009	HPF	sci	1.47	0.90	19.60	0.80	92		Yes
virus0000013_01	parallel	05:16	5857			VIRUS	sci							Yes
0020	QID 2534	05:22	308.9	0.9	UT26-1-009	HPF	sci	1.51	1.27	19.65	0.85	99		Yes
0021	QID 2534	05:28	308.9	0.9	UT26-1-009	HPF	sci	1.46	1.01	19.70	0.90	109		Yes
0022	QID 2534	05:34	308.9	0.9	UT26-1-009	HPF	sci	1.45	1.12	19.75	0.93	117		Yes
0023	QID 2534	05:39	308.9	0.9	UT26-1-009	HPF	sci	1.43	0.92	19.78	0.94	124		Yes
0024	QID 2534	05:45	308.9	-0.1	UT26-1-009	HPF	sci	1.45	1.00	19.82	0.93	132		Yes
0025	QID 2534	05:51	308.9	0.9	UT26-1-009	HPF	sci	1.48	1.18	19.84	0.92	135		Yes
0026	QID 2534	05:57	308.9	0.9	UT26-1-009	HPF	sci	1.50	1.24	19.84	0.93	128		Yes
0027	QID 2534	06:03	308.9	0.9	UT26-1-009	HPF	sci	1.42	1.12	19.80	0.94	128		Yes
0028	QID 2534	06:08	308.9	-0.1	UT26-1-009	HPF	sci	1.48	1.22	19.77	0.96	117		Yes
0029	QID 2534	06:14	308.9	0.9	UT26-1-009	HPF	sci	1.48	0.91	19.74	0.98	116		Yes
0030	QID 2534	06:20	308.9	0.9	UT26-1-009	HPF	sci	1.51	1.15	19.72	1.00	109		Yes
0031	QID 2534	06:26	308.9	0.9	UT26-1-009	HPF	sci	1.51	1.15	19.73	0.99	106		Yes
0032	QID 2534	06:31	308.9	0.9	UT26-1-009	HPF	sci	1.54	1.12	19.73	0.99		Reached end of track during this exposure.	No
0033	LFC Cal	06:44	106.5			HPF	cal							Yes
virus0000014_01	parallel	06:44	1500			VIRUS	sci							Yes
lrs20000015_01	QID 1415	06:44	1500	7.0	PSU26-1-012	LRS2-B	sci	1.54	1.02	19.96	0.93		Sky slightly brighter than 20-mag, please check data and reject if needed.	No
0034	LFC Cal	06:47	106.5			HPF	cal							Yes
0035	LFC Cal	06:49	106.5			HPF	cal							Yes
virus0000014_02	parallel	07:10	1500			VIRUS	sci							Yes
lrs20000015_02	QID 1415	07:10	1500	1.0	PSU26-1-012	LRS2-B	sci	1.41	0.98	19.84	0.91		sky brightness too high	No
0036	QID 403	07:41	969.1	5.8	UT26-1-003	HPF	sci	1.46	1.10	19.19	1.00	42		Yes
virus0000015_01	parallel	07:41	2047			VIRUS	sci							Yes
0037	QID 403	07:58	969.1	1.8	UT26-1-003	HPF	sci	1.50	0.93	19.08	1.01	35		Yes
virus0000016_01	parallel	08:20	1849			VIRUS	sci							Yes
0038	QID 1613	08:21	862.6	5.6	UT26-1-005	HPF	sci	1.65	0.97	19.61	0.58	62		Yes
0039	QID 1613	08:36	862.6	0.6	UT26-1-005	HPF	sci	1.49	1.39	19.68	0.65	82		Yes
0040	QID 1614	08:56	745.5	6.6	UT26-1-005	HPF	sci	1.58		19.77	0.72	86		Yes
virus0000017_01	parallel	08:56	1585			VIRUS	sci							Yes
0041	QID 1614	09:10	745.5	0.6	UT26-1-005	HPF	sci	1.58		19.77	0.75	75		Yes
0042	QID 138	09:29	617.7	7.7	UT26-1-009	HPF	sci	1.59	1.04	20.15	0.90	147		P4
virus0000018_01	parallel	09:29	1321			VIRUS	sci							Yes
0043	QID 138	09:40	617.7	0.7	UT26-1-009	HPF	sci	1.61	1.22	20.15	0.87	141		P4
0044	HR5085_tell_std	09:57	117.2	6.0		HPF	telluric	1.48	1.18	20.09	0.85			Yes
virus0000019_01	parallel	10:04	2047			VIRUS	sci							Yes
0045	QID 20	10:05	969.1	5.8	UT26-1-003	HPF	sci	1.47	1.23	19.91	0.96	43		Yes
0046	QID 20	10:22	969.1	0.8	UT26-1-003	HPF	sci	1.56	1.06	20.00	0.95	48		Yes
virus0000020_01	parallel	10:47	5857			VIRUS	sci							Yes
0047	QID 2535	10:48	308.9	9.9	UT26-1-009	HPF	sci	1.31	1.01	19.84	1.10	110		Yes
0048	QID 2535	10:54	308.9	0.9	UT26-1-009	HPF	sci	1.34	1.02	19.88	1.07	115		Yes
0049	QID 2535	10:59	308.9	0.9	UT26-1-009	HPF	sci	1.34	1.10	19.90	1.08	121		Yes
0050	QID 2535	11:05	308.9	-0.1	UT26-1-009	HPF	sci	1.40	0.97	19.93	1.09	126		Yes
0051	QID 2535	11:11	308.9	0.9	UT26-1-009	HPF	sci	1.44	1.05	19.93	1.10	129		Yes
0052	QID 2535	11:17	308.9	0.9	UT26-1-009	HPF	sci	1.50	1.08	19.92	1.09	131		Yes
0053	QID 2535	11:23	308.9	0.9	UT26-1-009	HPF	sci	1.54	0.95	19.94	1.07	127		Yes
0054	QID 2535	11:28	308.9	-0.1	UT26-1-009	HPF	sci	1.47	0.98	19.94	1.05	126		Yes
0055	QID 2535	11:34	308.9	0.9	UT26-1-009	HPF	sci	1.44	1.07	19.92	1.04	120		Yes
0056	QID 2535	11:40	308.9	0.9	UT26-1-009	HPF	sci	1.46	1.02	19.89	1.02	111		Yes
0057	QID 2535	11:46	308.9	0.9	UT26-1-009	HPF	sci	1.55	1.02	19.86	1.01	95		Yes
0058	QID 2535	11:51	308.9	0.9	UT26-1-009	HPF	sci	1.40	0.87	19.84	1.00	97		Yes
0059	QID 2535	11:57	308.9	-0.1	UT26-1-009	HPF	sci	1.41	0.94	19.82	1.00	90		Yes
virus0000021_01	parallel	12:08	1023			VIRUS	sci							Yes
0060	QID 1812	12:09	969.1	6.8	UT26-1-014	HPF	sci	1.58	1.11	19.99	0.69	401		Yes
0061	LFC Cal	12:26	106.5			HPF	cal							Yes
0062	QID 1748	12:32	42.6	7.3	UT26-1-014	HPF	sci	1.71	1.07	19.02	0.88	651		Yes
0063	LFC Cal	12:34	106.5			HPF	cal							Yes
0064	QID 1750	12:38	42.6	5.3	UT26-1-014	HPF	sci	1.91	1.05	19.06	0.99	591		P4
0065	LFC Cal	12:40	106.5			HPF	cal							Yes
lrs20000016_01	bias	12:40	0			LRS2	cal							Yes
virus0000022_01	bias	12:41	0			VIRUS	cal							Yes
virus0000023_01	Cd-A	12:45	15		ENG26-1-002	VIRUS	cal							Yes
virus0000024_01	Hg	12:47	15		ENG26-1-002	VIRUS	cal							Yes
0066	Dark	12:55	319.5			HPF	cal							Yes
0067	Quartz FCU	13:06	74.5			HPF	cal							Yes
0068	Quartz FCU	13:08	74.5			HPF	cal							Yes
0069	Quartz FCU	13:10	74.5			HPF	cal							Yes
0070	Quartz FCU	13:12	74.5			HPF	cal							Yes
0071	Quartz FCU	13:13	74.5			HPF	cal							Yes
0072	Quartz FCU	13:15	74.5			HPF	cal							Yes
0073	Quartz FCU	13:17	74.5			HPF	cal							Yes
0074	Alpha Bright Cal	13:19	85.2			HPF	cal							Yes
0075	Alpha Bright Cal	13:21	85.2			HPF	cal							Yes
0076	Alpha Bright Cal	13:23	85.2			HPF	cal							Yes
0077	Alpha Bright Cal	13:25	85.2			HPF	cal							Yes
0078	LFC FCU	13:28	106.5			HPF	cal							Yes
0079	LFC FCU	13:30	106.5			HPF	cal							Yes
0080	LFC FCU	13:32	106.5			HPF	cal							Yes
0081	LFC FCU	13:35	106.5			HPF	cal							Yes
0082	LFC FCU	13:37	106.5			HPF	cal							Yes
0083	LFC FCU	13:39	106.5			HPF	cal							Yes
0084	LFC Cal	13:42	106.5			HPF	cal							Yes
0085	LFC Cal	13:45	106.5			HPF	cal							Yes
0086	Etalon Cal	13:52	159.8			HPF	cal							Yes
0087	Etalon Cal	13:56	159.8			HPF	cal							Yes
0088	Etalon Cal	13:59	159.8			HPF	cal							Yes
0089	Etalon Cal	14:02	159.8			HPF	cal							Yes
0090	UNe Slave Cal	14:05	426			HPF	cal							Yes
0091	UNe Slave Cal	14:13	426			HPF	cal							Yes
0092	UNe Slave Cal	14:21	426			HPF	cal							Yes
0093	UNe Slave Cal	14:29	426			HPF	cal							Yes
0094	UNe Slave Cal	14:37	426			HPF	cal							Yes
0095	UNe Slave Cal	14:44	426			HPF	cal							Yes
0082	LFC Cal	21:59	106.5			HPF	cal							Yes
lrs20009900_01	bias	22:22	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	22:23	20			VIRUS	cal							Yes
virus0009901_01	bias	22:24	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	22:25	20			LRS2	cal							Yes
virus0009902_01	dark	22:26	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:27	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:29	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:30	15			LRS2	cal							Yes
0083	Dark	22:45	319.5			HPF	cal							Yes
0084	Quartz FCU	22:51	74.5			HPF	cal							Yes
0085	Quartz FCU	22:53	74.5			HPF	cal							Yes
0086	Quartz FCU	22:55	74.5			HPF	cal							Yes
0087	Quartz FCU	22:57	74.5			HPF	cal							Yes
0088	Quartz FCU	22:58	74.5			HPF	cal							Yes
0089	Quartz FCU	23:00	74.5			HPF	cal							Yes
0090	Quartz FCU	23:02	74.5			HPF	cal							Yes
0091	Alpha Bright Cal	23:04	85.2			HPF	cal							Yes
0092	Alpha Bright Cal	23:06	85.2			HPF	cal							Yes
0093	Alpha Bright Cal	23:08	85.2			HPF	cal							Yes
0094	Alpha Bright Cal	23:10	85.2			HPF	cal							Yes
0095	LFC FCU	23:13	106.5			HPF	cal							Yes
0096	LFC FCU	23:15	106.5			HPF	cal							Yes
0097	LFC Cal	23:18	106.5			HPF	cal							Yes
0098	LFC Cal	23:20	106.5			HPF	cal							Yes
0099	Etalon Cal	23:23	159.8			HPF	cal							Yes
0100	UNe Slave Cal	23:27	426			HPF	cal							Yes
lrs20000014_01	flat_Qth_R	23:28	15			LRS2	cal							Yes
lrs20000014_02	flat_Qth_R	23:29	15			LRS2	cal							Yes
lrs20000014_03	flat_Qth_R	23:31	15			LRS2	cal							Yes
lrs20000014_04	flat_Qth_R	23:32	15			LRS2	cal							Yes
lrs20000014_05	flat_Qth_R	23:33	15			LRS2	cal							Yes
0101	UNe Slave Cal	23:34	426			HPF	cal							Yes
lrs20000015_01	flat_ldls_long_B	23:34	20			LRS2	cal							Yes
lrs20000015_02	flat_ldls_long_B	23:36	20			LRS2	cal							Yes
lrs20000015_03	flat_ldls_long_B	23:37	20			LRS2	cal							Yes
lrs20000016_01	Cd-A_B	23:38	29			LRS2	cal							Yes
lrs20000016_02	Cd-A_B	23:40	29			LRS2	cal							Yes
lrs20000016_03	Cd-A_B	23:41	29			LRS2	cal							Yes
0102	UNe Slave Cal	23:42	426			HPF	cal							Yes
lrs20000017_01	FeAr_R	23:43	15			LRS2	cal							Yes
lrs20000017_02	FeAr_R	23:44	15			LRS2	cal							Yes
lrs20000017_03	FeAr_R	23:45	15			LRS2	cal							Yes
lrs20000018_01	Hg_R	23:46	20			LRS2	cal							Yes
lrs20000018_02	Hg_R	23:48	20			LRS2	cal							Yes
lrs20000018_03	Hg_R	23:49	20			LRS2	cal							Yes
0103	UNe Slave Cal	23:50	426			HPF	cal							Yes
lrs20000019_01	Hg_B	23:50	15			LRS2	cal							Yes
lrs20000019_02	Hg_B	23:52	15			LRS2	cal							Yes
lrs20000019_03	Hg_B	23:53	15			LRS2	cal							Yes
0104	UNe Slave Cal	23:58	426			HPF	cal							Yes
virus0000029_01	flat_ldls_long	23:59	15			VIRUS	cal							Yes