HET Night Report Reader

Civil Date	Ephemerides
2026-01-05	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	00:16	01:05	01:34	12:28	12:58	13:47	02:59	-
Night Length	10:54		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator
Zach Vanderbosch	Cassie Crowe

Overlaps		none

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
00:25	13.1	12.3	12:57	twilight	12:32
Total Time Open					12:32

Program	Night Priority	Science
01:34	Idle due to weather (Clouds)
02:16	Science
02:57	Idle due to weather (Clouds)
03:32	Science
07:06	Idle due to weather (Clouds)
07:32	Science
09:03	Idle due to weather (Clouds)
10:27	Science
10:35	Idle due to weather (Clouds)
11:24	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
00:46	01:10	0.40	0.62	-40	-1946	12.6	12.7	12.6	382	25	First of Night
12:50	12:55	0.82	1.27	20	-667	10.3	10.8	10.5	366	9	Post-Observing

Problem Reports					no PRs

TO Comments	Clouds in and out all night.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
0001	UNe Slave Cal	00:00	426			HPF	cal							Yes
virus0000025_03	Cd-A	00:00	15			VIRUS	cal							Yes
virus0000026_01	Hg	00:02	15			VIRUS	cal							Yes
virus0000026_02	Hg	00:03	15			VIRUS	cal							Yes
virus0000026_03	Hg	00:04	15			VIRUS	cal							Yes
lrs20000001_01	skyflat	00:25	7			LRS2	cal							Yes
lrs20000002_01	skyflat	00:26	10			LRS2	cal							Yes
lrs20000003_01	skyflat	00:27	13			LRS2	cal							Yes
lrs20000004_01	skyflat	00:28	16			LRS2	cal							Yes
lrs20000005_01	skyflat	00:30	22			LRS2	cal							Yes
lrs20000006_01	skyflat	00:31	30			LRS2	cal							Yes
virus0000001_01	skyflat	00:32	7			VIRUS	cal							Yes
virus0000002_01	skyflat	00:33	10			VIRUS	cal							Yes
virus0000003_01	skyflat	00:35	14			VIRUS	cal							Yes
virus0000004_01	skyflat	00:36	18			VIRUS	cal							Yes
virus0000005_01	skyflat	00:38	26			VIRUS	cal							Yes
lrs20000007_01	bias	00:40	0			LRS2	cal							Yes
virus0000006_01	bias	00:40	0			VIRUS	cal							Yes
lrs20000007_02	bias	00:41	0			LRS2	cal							Yes
virus0000006_02	bias	00:41	0			VIRUS	cal							Yes
lrs20000007_03	bias	00:42	0			LRS2	cal							Yes
virus0000006_03	bias	00:42	0			VIRUS	cal							Yes
lrs20000007_04	bias	00:43	0			LRS2	cal							Yes
virus0000006_04	bias	00:43	0			VIRUS	cal							Yes
lrs20000007_05	bias	00:43	0			LRS2	cal							Yes
virus0000006_05	bias	00:44	0			VIRUS	cal							Yes
lrs20000007_06	bias	00:44	0			LRS2	cal							Yes
virus0000006_06	bias	00:45	0			VIRUS	cal							Yes
lrs20000007_07	bias	00:45	0			LRS2	cal							Yes
virus0000006_07	bias	00:45	0			VIRUS	cal							Yes
lrs20000007_08	bias	00:46	0			LRS2	cal							Yes
virus0000006_08	bias	00:46	0			VIRUS	cal							Yes
lrs20000007_09	bias	00:47	0			LRS2	cal							Yes
virus0000006_09	bias	00:47	0			VIRUS	cal							Yes
lrs20000007_10	bias	00:48	0			LRS2	cal							Yes
virus0000006_10	bias	00:48	0			VIRUS	cal							Yes
lrs20000007_11	bias	00:49	0			LRS2	cal							Yes
virus0000006_11	bias	00:49	0			VIRUS	cal							Yes
lrs20000008_01	dark	00:50	360			LRS2	cal							Yes
virus0000007_01	dark	00:50	360			VIRUS	cal							Yes
lrs20000008_02	dark	00:56	360			LRS2	cal							Yes
virus0000007_02	dark	00:57	360			VIRUS	cal							Yes
lrs20000008_03	dark	01:03	360			LRS2	cal							Yes
virus0000007_03	dark	01:04	360			VIRUS	cal							Yes
0002	LFC Cal	01:11	106.5			HPF	cal							Yes
0003	LFC Cal	01:14	106.5			HPF	cal							Yes
0004	LFC Cal	01:16	106.5			HPF	cal							Yes
0005	LFC Cal	02:19	106.5			HPF	cal							Yes
lrs20000009_01	parallel	02:19	300			LRS2	sci							Yes
virus0000008_01	QID 1226	02:19	300	3.0	M26-1-004	VIRUS	sci	1.85		21.51	0.49		Transparency slightly below 0.5. Please check data and reject if needed.	Yes
0006	LFC Cal	02:22	106.5			HPF	cal							Yes
0007	LFC Cal	02:27	106.5			HPF	cal							Yes
lrs20000010_01	parallel	02:27	300			LRS2	sci							Yes
virus0000009_01	QID 1227	02:27	300	3.0	M26-1-004	VIRUS	sci	1.72		21.55	0.59			Yes
0008	LFC Cal	02:29	106.5			HPF	cal							Yes
lrs20000011_01	parallel	02:34	300			LRS2	sci							Yes
virus0000010_01	QID 1228	02:34	300	2.0	M26-1-004	VIRUS	sci	1.69		21.56	0.56			Yes
0009	LFC Cal	02:35	106.5			HPF	cal							Yes
0010	LFC Cal	02:37	106.5			HPF	cal							Yes
0011	LFC Cal	02:42	106.5			HPF	cal							Yes
lrs20000012_01	parallel	02:42	300			LRS2	sci							Yes
virus0000011_01	QID 1229	02:42	300	3.0	M26-1-004	VIRUS	sci	1.65		21.44	0.71			Yes
0012	LFC Cal	02:44	106.5			HPF	cal							Yes
virus0000012_01	G191B2B_034_E	02:52	60	5.0		VIRUS	spec	1.65		21.13	0.28			Yes
virus0000012_02	G191B2B_034_E	02:54	60	1.0		VIRUS	spec	1.60		21.08	0.30			Yes
virus0000012_03	G191B2B_034_E	02:56	60	1.0		VIRUS	spec	1.41		20.99	0.27			Yes
virus0000013_01	parallel	03:02	400			VIRUS	sci							Yes
0013	LFC Cal	03:03	106.5			HPF	cal							Yes
lrs20000013_01	QID 447	03:03	400	5.3	PSU26-1-014	LRS2-B	sci	1.51		20.76	0.21		Clouds, low transparency.	No
0014	LFC Cal	03:05	106.5			HPF	cal							Yes
0015	LFC Cal	03:07	106.5			HPF	cal							Yes
virus0000014_01	parallel	03:15	1023			VIRUS	sci							Yes
0016	QID 1799	03:16	969.1	6.8	UT26-1-014	HPF	sci	1.52		18.44	0.18	169	Clouds, low transparency.	No
0017	LFC Cal	03:33	106.5			HPF	cal							Yes
virus0000015_01	parallel	03:39	2047			VIRUS	sci							Yes
0018	QID 1308	03:40	969.1	7.8	PSU26-1-023	HPF	sci	1.35		18.85	0.70	62	Clouds, low transparency during second exposure. Please check data and reject if needed.	Yes
0019	QID 1308	03:57	969.1	0.8	PSU26-1-023	HPF	sci	1.51		18.41	0.43	47		Yes
0020	LFC Cal	04:15	106.5			HPF	cal							Yes
0021	QID 1776	04:20	969.1	6.8	UT26-1-014	HPF	sci	1.51		18.10	0.71	393		Yes
virus0000016_01	parallel	04:20	1023			VIRUS	sci							Yes
lrs20000014_01	QID 1848	04:36	10	-0.2	PSU26-1-012	LRS2-B	sci	1.63		19.53	0.80		Many saturated fibers, reattempting with defocus.	No
0022	LFC Cal	04:38	106.5			HPF	cal							Yes
lrs20000015_01	QID 1848	04:47	10	10.8	PSU26-1-012	LRS2-B	sci	2.65		19.48	0.67		Defocused, still a few saturated fibers.	Yes
0023	QID 1313	04:54	330.2	7.5	PSU26-1-023	HPF	sci	1.38		19.55	0.78	316		Yes
virus0000017_01	parallel	04:54	2203			VIRUS	sci							Yes
0024	QID 1313	05:00	330.2	0.5	PSU26-1-023	HPF	sci	1.43		19.53	0.80	323		Yes
0025	QID 1313	05:06	330.2	0.5	PSU26-1-023	HPF	sci	1.46		19.60	0.82	333		Yes
0026	QID 1313	05:13	330.2	0.5	PSU26-1-023	HPF	sci	1.44		19.65	0.81	341		Yes
0027	QID 1313	05:19	330.2	0.5	PSU26-1-023	HPF	sci	1.42		19.60	0.81	333		Yes
0028	QID 1313	05:25	330.2	0.5	PSU26-1-023	HPF	sci	1.40		19.35	0.77	307		Yes
0029	LFC Cal	05:32	106.5			HPF	cal							Yes
0030	QID 1410	05:38	969.1	7.8	PSU26-1-002	HPF	sci	1.50		17.83	0.80	278		Yes
virus0000018_01	parallel	05:38	2047			VIRUS	sci							Yes
0031	QID 1410	05:55	969.1	0.8	PSU26-1-002	HPF	sci	1.48		17.83	0.89	242		Yes
0032	LFC Cal	06:13	106.5			HPF	cal							Yes
virus0000019_01	parallel	06:18	1959			VIRUS	sci							Yes
0033	QID 1883	06:19	915.9	7.7	M26-1-012	HPF	sci	1.53		19.53	0.94	65		Yes
0034	QID 1883	06:35	915.9	0.7	M26-1-012	HPF	sci	1.51		19.12	0.83	62		Yes
virus0000020_01	parallel	06:56	583			VIRUS	sci							Yes
0035	QID 1762	06:57	532.5	7.1	UT26-1-014	HPF	sci	1.55		18.44	0.68	476		Yes
0036	LFC Cal	07:07	106.5			HPF	cal							Yes
0037	LFC Cal	07:12	106.5			HPF	cal							Yes
virus0000021_01	parallel	07:12	1200			VIRUS	sci							Yes
lrs20000016_01	QID 1419	07:12	1200	6.0	PSU26-1-012	LRS2-B	sci	1.36		18.11	0.27		Clouds, low transparency.	No
0038	LFC Cal	07:14	106.5			HPF	cal							Yes
0039	LFC Cal	07:17	106.5			HPF	cal							Yes
virus0000022_01	parallel	07:38	1023			VIRUS	sci							Yes
0040	QID 1799	07:39	969.1	6.8	UT26-1-014	HPF	sci	1.33		17.87	0.63	320		P4
0041	LFC Cal	07:56	106.5			HPF	cal							Yes
virus0000023_01	parallel	08:01	583			VIRUS	sci							Yes
0042	QID 1764	08:02	532.5	7.1	UT26-1-014	HPF	sci	1.54		19.03	0.62	408		P4
0043	LFC Cal	08:12	106.5			HPF	cal							Yes
0044	QID 1459	08:17	969.1	5.8	UT26-1-010	HPF	sci	1.47		19.21	0.87	395		P4
virus0000024_01	parallel	08:17	2047			VIRUS	sci							Yes
0045	QID 1459	08:34	969.1	0.8	UT26-1-010	HPF	sci	1.36		18.51	0.76	308		P4
0046	LFC Cal	08:52	106.5			HPF	cal							Yes
0047	HR2783_tell_std	08:58	330.2	7.5		HPF	telluric	1.48		18.57	0.89		Accidentally moved to next target halfway through exposure.	No
virus0000025_01	parallel	09:07	2337			VIRUS	sci							Yes
0048	QID 1476	09:08	245	4.9	UT26-1-010	HPF	sci	1.60		19.02	0.94	349	Clouds, low transparency during last three exposures.	No
0049	QID 1476	09:12	245	-0.1	UT26-1-010	HPF	sci	1.70		19.03	0.92	356		No
0050	QID 1476	09:17	245	0.9	UT26-1-010	HPF	sci	1.71		18.94	0.90	359		No
0051	QID 1476	09:22	245	0.9	UT26-1-010	HPF	sci	1.71		18.66	0.83	345		No
0052	QID 1476	09:26	245	0.9	UT26-1-010	HPF	sci	1.67		17.51	0.54	254		No
0053	QID 1476	09:31	245	-0.1	UT26-1-010	HPF	sci	1.77		17.31	0.51	278		No
0054	QID 1476	09:36	245	0.9	UT26-1-010	HPF	sci	1.83		16.99	0.37	120		No
0055	QID 1476	09:41	245	0.9	UT26-1-010	HPF	sci	1.80		16.73	0.31	30		No
0056	LFC Cal	09:46	106.5			HPF	cal							Yes
0057	HR4828_tell_std	10:33	117.2	6.0		HPF	telluric	1.70		17.09	0.50			Yes
0058	QID 138	11:05	617.7	5.7	UT26-1-009	HPF	sci	1.45		17.70	0.34	43	Thick cirrus clouds moved in during exposure.	No
virus0000026_01	parallel	11:05	1321			VIRUS	sci							Yes
virus0000027_01	parallel	11:28	1321			VIRUS	sci							Yes
0059	QID 138	11:29	617.7	4.7	UT26-1-009	HPF	sci	1.51		19.36	0.85	150		P4
0060	QID 138	11:40	617.7	0.7	UT26-1-009	HPF	sci	1.51		19.44	0.87	150		P4
0061	QID 1887	11:56	969.1	5.8	UT26-1-003	HPF	sci	1.62		18.64	0.87	23	S/N goal reached but seeing degraded during exposures. Please check data and reject if needed.	Yes
virus0000028_01	parallel	11:56	2047			VIRUS	sci							Yes
0062	QID 1887	12:13	969.1	0.8	UT26-1-003	HPF	sci	1.79		18.97	0.84	22		Yes
0063	QID 1838	12:36	32	7.5	PSU26-1-011	HPF	sci	1.64		18.24	0.45	236	Clouds, low transparency.	No
virus0000029_01	parallel	12:42	374			VIRUS	sci							Yes
0064	QID 1831	12:43	340.8	5.3	PSU26-1-010	HPF	sci	2.15		17.91	0.44	212	Clouds, low transparency.	No
lrs20000017_01	bias	12:50	0			LRS2	cal							Yes
virus0000030_01	bias	12:51	0			VIRUS	cal							Yes
virus0000031_01	Cd-A	12:55	15		ENG26-1-002	VIRUS	cal							Yes
virus0000032_01	Hg	12:56	15		ENG26-1-002	VIRUS	cal							Yes
0065	Dark	13:04	319.5			HPF	cal							Yes
0066	Quartz FCU	13:16	74.5			HPF	cal							Yes
0067	Quartz FCU	13:18	74.5			HPF	cal							Yes
0068	Quartz FCU	13:19	74.5			HPF	cal							Yes
0069	Quartz FCU	13:21	74.5			HPF	cal							Yes
0070	Quartz FCU	13:23	74.5			HPF	cal							Yes
0071	Quartz FCU	13:25	74.5			HPF	cal							Yes
0072	Quartz FCU	13:26	74.5			HPF	cal							Yes
0073	Alpha Bright Cal	13:29	85.2			HPF	cal							Yes
0074	Alpha Bright Cal	13:31	85.2			HPF	cal							Yes
0075	Alpha Bright Cal	13:33	85.2			HPF	cal							Yes
0076	Alpha Bright Cal	13:35	85.2			HPF	cal							Yes
0077	LFC FCU	13:37	106.5			HPF	cal							Yes
0078	LFC FCU	13:40	106.5			HPF	cal							Yes
0079	LFC FCU	13:42	106.5			HPF	cal							Yes
0080	LFC FCU	13:44	106.5			HPF	cal							Yes
0081	LFC FCU	13:47	106.5			HPF	cal							Yes
0082	LFC FCU	13:49	106.5			HPF	cal							Yes
0083	LFC Cal	13:52	106.5			HPF	cal							Yes
0084	LFC Cal	13:54	106.5			HPF	cal							Yes
0085	Etalon Cal	14:02	159.8			HPF	cal							Yes
0086	Etalon Cal	14:05	159.8			HPF	cal							Yes
0087	Etalon Cal	14:08	159.8			HPF	cal							Yes
0088	Etalon Cal	14:11	159.8			HPF	cal							Yes
0089	UNe Slave Cal	14:15	426			HPF	cal							Yes
0090	UNe Slave Cal	14:23	426			HPF	cal							Yes
0091	UNe Slave Cal	14:31	426			HPF	cal							Yes
0092	UNe Slave Cal	14:38	426			HPF	cal							Yes
0093	UNe Slave Cal	14:46	426			HPF	cal							Yes
0094	UNe Slave Cal	14:54	426			HPF	cal							Yes
virus0008100_01	dark	21:29	20			VIRUS	cal							Yes
virus0008100_02	dark	21:30	20			VIRUS	cal							Yes
virus0008101_01	flat_ldls_long	21:34	15			VIRUS	cal							Yes
virus0008101_02	flat_ldls_long	21:36	15			VIRUS	cal							Yes
virus0008102_01	bias	21:37	0			VIRUS	cal							Yes
virus0008102_02	bias	21:38	0			VIRUS	cal							Yes
0081	LFC Cal	22:18	106.5			HPF	cal							Yes
lrs20009900_01	bias	22:29	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	22:29	20			VIRUS	cal							Yes
virus0009901_01	bias	22:31	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	22:31	20			LRS2	cal							Yes
virus0009902_01	dark	22:33	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:34	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:35	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:37	15			LRS2	cal							Yes
0082	Dark	22:39	319.5			HPF	cal							Yes
0083	Quartz FCU	22:46	74.5			HPF	cal							Yes
0084	Quartz FCU	22:48	74.5			HPF	cal							Yes
0085	Quartz FCU	22:49	74.5			HPF	cal							Yes
0086	Quartz FCU	22:51	74.5			HPF	cal							Yes
0087	Quartz FCU	22:53	74.5			HPF	cal							Yes
0088	Quartz FCU	22:55	74.5			HPF	cal							Yes
0089	Quartz FCU	22:56	74.5			HPF	cal							Yes
0090	Alpha Bright Cal	22:59	85.2			HPF	cal							Yes
0091	Alpha Bright Cal	23:01	85.2			HPF	cal							Yes
0092	Alpha Bright Cal	23:03	85.2			HPF	cal							Yes
0093	Alpha Bright Cal	23:05	85.2			HPF	cal							Yes
0094	LFC FCU	23:07	106.5			HPF	cal							Yes
0095	LFC FCU	23:10	106.5			HPF	cal							Yes
0096	LFC Cal	23:12	106.5			HPF	cal							Yes
0097	LFC Cal	23:15	106.5			HPF	cal							Yes
0098	Etalon Cal	23:17	159.8			HPF	cal							Yes
0099	UNe Slave Cal	23:21	426			HPF	cal							Yes
lrs20000013_01	flat_Qth_R	23:22	15			LRS2	cal							Yes
lrs20000013_02	flat_Qth_R	23:23	15			LRS2	cal							Yes
lrs20000013_03	flat_Qth_R	23:25	15			LRS2	cal							Yes
lrs20000013_04	flat_Qth_R	23:26	15			LRS2	cal							Yes
lrs20000013_05	flat_Qth_R	23:27	15			LRS2	cal							Yes
lrs20000014_01	flat_ldls_long_B	23:28	20			LRS2	cal							Yes
0100	UNe Slave Cal	23:29	426			HPF	cal							Yes
lrs20000014_02	flat_ldls_long_B	23:30	20			LRS2	cal							Yes
lrs20000014_03	flat_ldls_long_B	23:31	20			LRS2	cal							Yes
lrs20000015_01	Cd-A_B	23:32	29			LRS2	cal							Yes
lrs20000015_02	Cd-A_B	23:34	29			LRS2	cal							Yes
lrs20000015_03	Cd-A_B	23:35	29			LRS2	cal							Yes
0101	UNe Slave Cal	23:36	426			HPF	cal							Yes
lrs20000016_01	FeAr_R	23:37	15			LRS2	cal							Yes
lrs20000016_02	FeAr_R	23:38	15			LRS2	cal							Yes
lrs20000016_03	FeAr_R	23:39	15			LRS2	cal							Yes
lrs20000017_01	Hg_R	23:40	20			LRS2	cal							Yes
lrs20000017_02	Hg_R	23:42	20			LRS2	cal							Yes
lrs20000017_03	Hg_R	23:43	20			LRS2	cal							Yes
0102	UNe Slave Cal	23:44	426			HPF	cal							Yes
lrs20000018_01	Hg_B	23:44	15			LRS2	cal							Yes
lrs20000018_02	Hg_B	23:46	15			LRS2	cal							Yes
lrs20000018_03	Hg_B	23:47	15			LRS2	cal							Yes
0103	UNe Slave Cal	23:52	426			HPF	cal							Yes
virus0000024_01	flat_ldls_long	23:53	15			VIRUS	cal							Yes
virus0000024_02	flat_ldls_long	23:55	15			VIRUS	cal							Yes
virus0000024_03	flat_ldls_long	23:56	15			VIRUS	cal							Yes
virus0000025_01	Cd-A	23:58	15			VIRUS	cal							Yes
virus0000025_02	Cd-A	23:59	15			VIRUS	cal							Yes