HET Night Report Reader

Civil Date	Ephemerides
2025-10-31	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	00:16	01:02	01:30	11:50	12:18	13:04	-	08:55
Night Length	10:20		Sunset Temperature

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

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
00:08	17.0	15.7	12:25	twilight	12:17
Total Time Open					12:17

Program	Night Priority	Science
01:30	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
00:40	01:12	0.45	0.70	200	+3238	16.5	16.2	16.0	263	11	First of Night
10:57	11:28				+5105	10.5	11.7	12.0	332	19	Stack/Re-stack
12:18	12:22	0.52	0.87	110	+5105	9.5	10.5	10.8	336	17	Post-Observing

Problem Reports
PR Number	Times	Time Lost	Description	Response
6568	07:03-07:16	00:13	Queue #1730, Inaccurate Sky Brightness Offset from i-band to g-band during Moon-Up	Stopped observing the target after first three exposures of the SEQ group and moved to next target.

TO Comments	Clear 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	twilight	00:13	298.2			HPF	cal					478		Yes
lrs20000001_01	skyflat	00:20	7			LRS2	cal							Yes
lrs20000002_01	skyflat	00:21	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	00:25	22			LRS2	cal							Yes
lrs20000006_01	skyflat	00:26	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	00:32	14			VIRUS	cal							Yes
virus0000004_01	skyflat	00:33	18			VIRUS	cal							Yes
virus0000005_01	skyflat	00:34	26			VIRUS	cal							Yes
0002	LFC Cal	01:17	106.5			HPF	cal							Yes
virus0000006_01	parallel	01:17	1200			VIRUS	sci							Yes
lrs20000007_01	parallel	01:17	1200	5.0	UT25-3-001	LRS2-B	sci	1.30		19.88	0.78			Yes
0003	LFC Cal	01:19	106.5			HPF	cal							Yes
0004	LFC Cal	01:22	106.5			HPF	cal							Yes
0005	parallel	01:43	969.1	5.8	UT25-3-013	HPF	sci	1.25		17.62	0.96	181		Yes
virus0000007_01	parallel	01:43	2047			VIRUS	sci							Yes
0006	parallel	02:00	969.1	0.8	UT25-3-013	HPF	sci	1.26		17.76	0.94	184		Yes
0007	LFC Cal	02:18	106.5			HPF	cal							Yes
0008	LFC Cal	02:23	106.5			HPF	cal							Yes
virus0000008_01	parallel	02:23	360			VIRUS	sci							Yes
lrs20000008_01	parallel	02:23	360	7.0	UT25-3-015	LRS2-R	sci	1.28		19.60	1.09			P4
0009	LFC Cal	02:25	106.5			HPF	cal							Yes
virus0000009_01	parallel	02:35	360			VIRUS	spec							Yes
lrs20000009_01	LDS749B_056_W	02:35	360	6.0		LRS2	spec	1.24		18.53	0.83			Yes
virus0000010_01	parallel	02:45	360			VIRUS	spec							Yes
lrs20000010_01	LDS749B_066_W	02:45	360	4.0		LRS2	spec	1.30		18.19	0.93			Yes
0010	LFC Cal	02:52	106.5			HPF	cal							Yes
0011	parallel	02:56	617.7	4.7	UT25-3-019	HPF	sci	1.22		19.52	0.92	47		P4
virus0000011_01	parallel	02:56	1984			VIRUS	sci							Yes
0012	parallel	03:07	617.7	0.7	UT25-3-019	HPF	sci	1.25		19.49	0.90	43		P4
0013	parallel	03:18	617.7	1.7	UT25-3-019	HPF	sci	1.27		19.47	0.86	38		P4
0014	LFC Cal	03:30	106.5			HPF	cal							Yes
0015	HR655_tell_std	03:36	117.2	7.0		HPF	telluric	1.54		19.52	0.69			Yes
virus0000012_01	parallel	03:44	360			VIRUS	sci							Yes
lrs20000011_01	parallel	03:44	360	6.0	UT25-3-015	LRS2-R	sci	1.21		19.26	0.98			P4
0016	LFC Cal	03:45	106.5			HPF	cal							Yes
0017	LFC Cal	03:47	106.5			HPF	cal							Yes
0018	parallel	03:56	969.1	5.8	UT25-3-013	HPF	sci	1.46		19.38	0.87	140		Yes
virus0000013_01	parallel	03:56	2047			VIRUS	sci							Yes
0019	parallel	04:13	969.1	0.8	UT25-3-013	HPF	sci	1.47		19.40	0.84	140		Yes
0020	LFC Cal	04:31	106.5			HPF	cal							Yes
0021	parallel	04:36	649.6	7.2	UT25-3-013	HPF	sci	1.55		18.77	0.60	311		Yes
virus0000014_01	parallel	04:36	2083			VIRUS	sci							Yes
0022	parallel	04:48	649.6	1.2	UT25-3-013	HPF	sci	1.51		19.28	0.79	383		Yes
0023	parallel	05:00	649.6	0.2	UT25-3-013	HPF	sci	1.45		19.44	0.79	391		Yes
0024	LFC Cal	05:12	106.5			HPF	cal							Yes
0025	LFC Cal	05:17	106.5			HPF	cal							Yes
virus0000015_01	parallel	05:17	360			VIRUS	sci							Yes
lrs20000012_01	parallel	05:17	360	7.0	UT25-3-015	LRS2-R	sci	1.47		19.36	1.06		Several fibers saturating the CCD. Please check target exposure times.	P4
0026	LFC Cal	05:19	106.5			HPF	cal							Yes
0027	LFC Cal	05:28	106.5			HPF	cal							Yes
lrs20000013_01	parallel	05:28	180	5.0	UT25-3-015	LRS2-B	sci	1.82		19.53	0.82		Several fibers saturating the CCD. Please check target exposure times.	P4
virus0000016_01	parallel	05:34	360			VIRUS	sci							Yes
lrs20000014_01	parallel	05:34	360	3.0	UT25-3-015	LRS2-R	sci	1.86		19.65	0.94		Several fibers saturating the CCD. Please check target exposure times.	P4
0028	LFC Cal	05:35	106.5			HPF	cal							Yes
0029	LFC Cal	05:37	106.5			HPF	cal							Yes
0030	LFC Cal	05:42	106.5			HPF	cal							Yes
0031	parallel	05:45	617.7	5.7	UT25-3-019	HPF	sci	1.88		18.94	0.74	41		Yes
virus0000017_01	parallel	05:45	1984			VIRUS	sci							Yes
0032	parallel	05:56	617.7	0.7	UT25-3-019	HPF	sci	1.87		19.44	0.86	49		Yes
0033	parallel	06:08	617.7	0.7	UT25-3-019	HPF	sci	1.76		19.77	0.89	55		Yes
0034	LFC Cal	06:19	106.5			HPF	cal							Yes
virus0000018_01	parallel	06:26	2203			VIRUS	sci							Yes
0035	parallel	06:27	330.2	8.5	UT25-3-013	HPF	sci	1.68		19.55	1.01	294		P4
0036	parallel	06:33	330.2	0.5	UT25-3-013	HPF	sci	1.74		19.59	1.02	308		P4
0037	parallel	06:39	330.2	1.5	UT25-3-013	HPF	sci	2.03		19.54	0.99	267		P4
0038	parallel	06:45	330.2	0.5	UT25-3-013	HPF	sci	1.92		19.50	0.99	269		P4
0039	parallel	06:51	330.2	0.5	UT25-3-013	HPF	sci	1.76		19.46	0.99	284		P4
0040	parallel	06:57	330.2	0.5	UT25-3-013	HPF	sci	1.71		19.39	0.98	274		P4
0041	LFC Cal	07:04	106.5			HPF	cal							Yes
virus0000019_01	parallel	07:09	100	6.3	M25-3-004	VIRUS	sci	1.97		20.02	0.68		Sky brightness brighter than 21 mag	No
virus0000019_02	parallel	07:12	100	0.3	M25-3-004	VIRUS	sci	1.91		20.00	0.72		Sky brightness brighter than 21 mag	No
virus0000019_03	parallel	07:15	100	1.3	M25-3-004	VIRUS	sci	1.97		20.00	0.76		Sky brightness brighter than 21 mag	No
0042	parallel	07:23	649.6	7.2	UT25-3-013	HPF	sci	2.14		19.46	0.91	271		P4
virus0000020_01	parallel	07:23	2083			VIRUS	sci							Yes
0043	parallel	07:35	649.6	1.2	UT25-3-013	HPF	sci	2.00		19.66	0.97	327		P4
0044	parallel	07:47	649.6	0.2	UT25-3-013	HPF	sci	1.90		19.77	0.97	335		P4
0045	LFC Cal	07:59	106.5			HPF	cal							Yes
lrs20000015_01	parallel	08:02	180	5.0	UT25-3-015	LRS2-B	sci	1.99		20.34	0.71			P4
0046	LFC Cal	08:03	106.5			HPF	cal							Yes
virus0000021_01	parallel	08:08	360			VIRUS	sci							Yes
lrs20000016_01	parallel	08:08	360	3.0	UT25-3-015	LRS2-R	sci	2.00		20.20	0.74			P4
0047	LFC Cal	08:09	106.5			HPF	cal							Yes
0048	LFC Cal	08:11	106.5			HPF	cal							Yes
virus0000022_01	parallel	08:20	1800			VIRUS	sci							Yes
0049	LFC Cal	08:21	106.5			HPF	cal							Yes
lrs20000017_01	parallel	08:21	1800	7.0	UT25-3-004	LRS2-B	sci	1.95		20.93	0.85			Yes
0050	LFC Cal	08:23	106.5			HPF	cal							Yes
0051	LFC Cal	08:25	106.5			HPF	cal							Yes
0052	LFC Cal	08:55	106.5			HPF	cal							Yes
lrs20000018_01	parallel	08:55	360			LRS2	sci							Yes
virus0000023_01	parallel	08:55	360	4.0	UT25-3-017	VIRUS	sci	2.29		21.67	0.87		Variable seeing, blew up to 3.0" briefly at UT 08:56	Yes
0053	LFC Cal	08:57	106.5			HPF	cal							Yes
lrs20000018_02	parallel	09:02	360			LRS2	sci							Yes
virus0000023_02	parallel	09:02	360	1.0	UT25-3-017	VIRUS	sci	2.10		21.64	0.90			Yes
lrs20000018_03	parallel	09:09	360			LRS2	sci							Yes
virus0000023_03	parallel	09:09	360	1.0	UT25-3-017	VIRUS	sci	2.13		21.61	0.93			Yes
0054	LFC Cal	09:22	106.5			HPF	cal							Yes
virus0000024_01	parallel	09:22	300			VIRUS	sci							Yes
lrs20000019_01	parallel	09:22	300	7.0	PSU25-3-002	LRS2-R	sci	2.15		20.83	0.57			P4
0055	LFC Cal	09:25	106.5			HPF	cal							Yes
0056	parallel	09:34	969.1	7.8	PSU25-3-005	HPF	sci	2.21		20.34	0.71	166		Yes
virus0000025_01	parallel	09:34	2047			VIRUS	sci							Yes
0057	parallel	09:51	969.1	0.8	PSU25-3-005	HPF	sci	2.21		20.34	0.79	202		Yes
0058	LFC Cal	10:09	106.5			HPF	cal							Yes
0059	parallel	10:13	617.7	5.7	UT25-3-019	HPF	sci	2.24		20.16	0.98	19	Variable seeing, S/N slightly below goal	Yes
virus0000026_01	parallel	10:13	1984			VIRUS	sci							Yes
0060	parallel	10:24	617.7	0.7	UT25-3-019	HPF	sci	2.30		20.16	0.98	18		Yes
0061	parallel	10:36	617.7	0.7	UT25-3-019	HPF	sci	2.19		20.08	0.99	16		Yes
0062	LFC Cal	10:47	106.5			HPF	cal							Yes
0063	LFC Cal	10:51	106.5			HPF	cal							Yes
virus0000027_01	parallel	10:51	360			VIRUS	sci							Yes
lrs20000020_01	parallel	10:51	360	5.0	UT25-3-015	LRS2-R	sci	2.53		20.74	0.73			P4
0064	LFC Cal	10:53	106.5			HPF	cal							Yes
lrs20000021_01	parallel	11:32	1980	4.0	PSU25-3-003	LRS2-B	sci	1.57		21.73	0.77			Yes
virus0000028_01	parallel	11:32	1980			VIRUS	sci							Yes
0065	LFC Cal	11:33	106.5			HPF	cal							Yes
0066	LFC Cal	11:35	106.5			HPF	cal							Yes
0067	LFC Cal	11:37	106.5			HPF	cal							Yes
virus0000029_01	parallel	12:10	360			VIRUS	sci							Yes
0068	LFC Cal	12:11	106.5			HPF	cal							Yes
lrs20000022_01	parallel	12:11	360	6.0	UT25-3-015	LRS2-R	sci	2.15		19.50	0.50			P4
0069	LFC Cal	12:13	106.5			HPF	cal							Yes
lrs20000023_01	bias	12:18	0			LRS2	cal							Yes
virus0000030_01	bias	12:19	0			VIRUS	cal							Yes
virus0000031_01	Cd-A	12:23	15		ENG25-3-002	VIRUS	cal							Yes
virus0000032_01	Hg	12:25	15		ENG25-3-002	VIRUS	cal							Yes
0070	Dark	12:36	319.5			HPF	cal							Yes
0071	Quartz FCU	12:47	74.5			HPF	cal							Yes
0072	Quartz FCU	12:49	74.5			HPF	cal							Yes
0073	Quartz FCU	12:51	74.5			HPF	cal							Yes
0074	Quartz FCU	12:53	74.5			HPF	cal							Yes
0075	Quartz FCU	12:54	74.5			HPF	cal							Yes
0076	Quartz FCU	12:56	74.5			HPF	cal							Yes
0077	Quartz FCU	12:58	74.5			HPF	cal							Yes
0078	Alpha Bright Cal	13:00	85.2			HPF	cal							Yes
0079	Alpha Bright Cal	13:02	85.2			HPF	cal							Yes
0080	Alpha Bright Cal	13:04	85.2			HPF	cal							Yes
0081	Alpha Bright Cal	13:06	85.2			HPF	cal							Yes
0082	LFC FCU	13:09	106.5			HPF	cal							Yes
0083	LFC FCU	13:11	106.5			HPF	cal							Yes
0084	LFC FCU	13:13	106.5			HPF	cal							Yes
0085	LFC FCU	13:16	106.5			HPF	cal							Yes
0086	LFC FCU	13:18	106.5			HPF	cal							Yes
0087	LFC FCU	13:20	106.5			HPF	cal							Yes
0088	LFC Cal	13:23	106.5			HPF	cal							Yes
0089	LFC Cal	13:26	106.5			HPF	cal							Yes
0090	Etalon Cal	13:33	159.8			HPF	cal							Yes
0091	Etalon Cal	13:37	159.8			HPF	cal							Yes
0092	Etalon Cal	13:40	159.8			HPF	cal							Yes
0093	Etalon Cal	13:43	159.8			HPF	cal							Yes
0094	UNe Slave Cal	13:47	426			HPF	cal							Yes
0095	UNe Slave Cal	13:54	426			HPF	cal							Yes
0096	UNe Slave Cal	14:02	426			HPF	cal							Yes
0097	UNe Slave Cal	14:10	426			HPF	cal							Yes
0098	UNe Slave Cal	14:18	426			HPF	cal							Yes
0099	UNe Slave Cal	14:26	426			HPF	cal							Yes
0106	LFC Cal	21:34	106.5			HPF	cal							Yes
lrs20009900_01	bias	21:55	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	21:56	20			VIRUS	cal							Yes
virus0009901_01	bias	21:58	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	21:58	20			LRS2	cal							Yes
virus0009902_01	dark	22:00	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:01	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:02	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:03	15			LRS2	cal							Yes
0107	Dark	22:06	319.5			HPF	cal							Yes
0108	Quartz FCU	22:12	74.5			HPF	cal							Yes
0109	Quartz FCU	22:14	74.5			HPF	cal							Yes
0110	Quartz FCU	22:16	74.5			HPF	cal							Yes
0111	Quartz FCU	22:17	74.5			HPF	cal							Yes
0112	Quartz FCU	22:19	74.5			HPF	cal							Yes
0113	Quartz FCU	22:21	74.5			HPF	cal							Yes
0114	Quartz FCU	22:23	74.5			HPF	cal							Yes
0115	Alpha Bright Cal	22:25	85.2			HPF	cal							Yes
0116	Alpha Bright Cal	22:27	85.2			HPF	cal							Yes
0117	Alpha Bright Cal	22:29	85.2			HPF	cal							Yes
0118	Alpha Bright Cal	22:31	85.2			HPF	cal							Yes
0119	LFC FCU	22:34	106.5			HPF	cal							Yes
0120	LFC FCU	22:36	106.5			HPF	cal							Yes
0121	LFC Cal	22:39	106.5			HPF	cal							Yes
0122	LFC Cal	22:41	106.5			HPF	cal							Yes
0123	Etalon Cal	22:44	159.8			HPF	cal							Yes
0124	UNe Slave Cal	22:47	426			HPF	cal							Yes
lrs20000026_01	flat_Qth_R	22:48	15			LRS2	cal							Yes
lrs20000026_02	flat_Qth_R	22:49	15			LRS2	cal							Yes
lrs20000026_03	flat_Qth_R	22:51	15			LRS2	cal							Yes
lrs20000026_04	flat_Qth_R	22:52	15			LRS2	cal							Yes
lrs20000026_05	flat_Qth_R	22:53	15			LRS2	cal							Yes
lrs20000027_01	flat_ldls_long_B	22:54	20			LRS2	cal							Yes
0125	UNe Slave Cal	22:55	426			HPF	cal							Yes
lrs20000027_02	flat_ldls_long_B	22:56	20			LRS2	cal							Yes
lrs20000027_03	flat_ldls_long_B	22:57	20			LRS2	cal							Yes
lrs20000028_01	Cd-A_B	22:58	29			LRS2	cal							Yes
lrs20000028_02	Cd-A_B	23:00	29			LRS2	cal							Yes
lrs20000028_03	Cd-A_B	23:01	29			LRS2	cal							Yes
0126	UNe Slave Cal	23:03	426			HPF	cal							Yes
lrs20000029_01	FeAr_R	23:03	15			LRS2	cal							Yes
lrs20000029_02	FeAr_R	23:04	15			LRS2	cal							Yes
lrs20000029_03	FeAr_R	23:05	15			LRS2	cal							Yes
lrs20000030_01	Hg_R	23:06	20			LRS2	cal							Yes
lrs20000030_02	Hg_R	23:08	20			LRS2	cal							Yes
lrs20000030_03	Hg_R	23:09	20			LRS2	cal							Yes
lrs20000031_01	Hg_B	23:10	15			LRS2	cal							Yes
0127	UNe Slave Cal	23:11	426			HPF	cal							Yes
lrs20000031_02	Hg_B	23:11	15			LRS2	cal							Yes
lrs20000031_03	Hg_B	23:13	15			LRS2	cal							Yes
0128	UNe Slave Cal	23:19	426			HPF	cal							Yes
virus0000032_01	flat_ldls_long	23:19	15			VIRUS	cal							Yes
virus0000032_02	flat_ldls_long	23:20	15			VIRUS	cal							Yes
virus0000032_03	flat_ldls_long	23:22	15			VIRUS	cal							Yes
virus0000033_01	Cd-A	23:23	15			VIRUS	cal							Yes
virus0000033_02	Cd-A	23:25	15			VIRUS	cal							Yes
0129	UNe Slave Cal	23:26	426			HPF	cal							Yes
virus0000033_03	Cd-A	23:26	15			VIRUS	cal							Yes
virus0000034_01	Hg	23:27	15			VIRUS	cal							Yes
virus0000034_02	Hg	23:29	15			VIRUS	cal							Yes
virus0000034_03	Hg	23:30	15			VIRUS	cal							Yes
lrs20000032_01	bias	23:32	0			LRS2	cal							Yes
virus0000035_01	bias	23:32	0			VIRUS	cal							Yes
lrs20000032_02	bias	23:32	0			LRS2	cal							Yes
virus0000035_02	bias	23:32	0			VIRUS	cal							Yes
lrs20000032_03	bias	23:33	0			LRS2	cal							Yes
virus0000035_03	bias	23:33	0			VIRUS	cal							Yes
lrs20000032_04	bias	23:34	0			LRS2	cal							Yes
virus0000035_04	bias	23:34	0			VIRUS	cal							Yes
lrs20000032_05	bias	23:35	0			LRS2	cal							Yes
virus0000035_05	bias	23:35	0			VIRUS	cal							Yes
lrs20000032_06	bias	23:36	0			LRS2	cal							Yes
virus0000035_06	bias	23:36	0			VIRUS	cal							Yes
lrs20000032_07	bias	23:37	0			LRS2	cal							Yes
virus0000035_07	bias	23:37	0			VIRUS	cal							Yes
lrs20000032_08	bias	23:37	0			LRS2	cal							Yes
virus0000035_08	bias	23:38	0			VIRUS	cal							Yes
lrs20000032_09	bias	23:38	0			LRS2	cal							Yes
virus0000035_09	bias	23:39	0			VIRUS	cal							Yes
lrs20000032_10	bias	23:39	0			LRS2	cal							Yes
virus0000035_10	bias	23:40	0			VIRUS	cal							Yes
lrs20000032_11	bias	23:40	0			LRS2	cal							Yes
virus0000035_11	bias	23:40	0			VIRUS	cal							Yes
lrs20000033_01	dark	23:41	360			LRS2	cal							Yes
virus0000036_01	dark	23:41	360			VIRUS	cal							Yes
lrs20000033_02	dark	23:48	360			LRS2	cal							Yes
virus0000036_02	dark	23:48	360			VIRUS	cal							Yes
lrs20000033_03	dark	23:55	360			LRS2	cal							Yes
virus0000036_03	dark	23:55	360			VIRUS	cal							Yes