HET Night Report Reader

Civil Date	Ephemerides
2025-12-08	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	00:02	00:51	01:21	12:16	12:45	13:35	04:02	-
Night Length	10:55		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator
Sergey Rostopchin / Jose Fernandez	Justen Pautzke

Overlaps		none

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
00:05	11.5	10.9	13:21	twilight	13:16
Total Time Open					13:16

Program	Night Priority	Science
01:21	Science
11:10	Engineering (Non-sidereal target attempt (C2025 N1))
12:02	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
00:33	01:57	0.42	0.65	-33	-609	10.4	10.6	10.7	312	0	First of Night
↪ Comments			Mirror in rough shape from swaps today.
09:44	09:54	1.15	1.85	2	293	7.2	7.6	7.8	305	19	Post-Observing
09:54	10:31	0.40	0.64	-53	831	7.0	7.4	7.4	312	19	Stack/Re-stack
12:45	12:52	0.51	0.78	-88	831	7.0	7.4	7.4	275	17	Post-Observing
12:52	13:18	0.52	0.84	-53	1000	6.8	7.0	7.2	272	16	End of Night

Problem Reports
PR Number	Times	Time Lost	Description	Response
6328	01:00-01:05, 01:33-01:36, 10:03-10:04	00:09	Segments 2:4, 8:2 and 8:6 needed to be pistoned during stacking.	Called: NW NW confirmed that pistoning was OK.

TO Comments	Calm and clear night. EON stack completed, structure left pointed toward CCAS.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
lrs20000001_01	skyflat	00:07	7			LRS2	cal							Yes
lrs20000002_01	skyflat	00:08	10			LRS2	cal							Yes
lrs20000003_01	skyflat	00:09	13			LRS2	cal							Yes
lrs20000004_01	skyflat	00:10	16			LRS2	cal							Yes
lrs20000005_01	skyflat	00:12	22			LRS2	cal							Yes
lrs20000006_01	skyflat	00:13	30			LRS2	cal							Yes
virus0000001_01	skyflat	00:16	7			VIRUS	cal							Yes
virus0000002_01	skyflat	00:17	10			VIRUS	cal							Yes
virus0000003_01	skyflat	00:19	14			VIRUS	cal							Yes
virus0000004_01	skyflat	00:20	18			VIRUS	cal							Yes
virus0000005_01	skyflat	00:21	26			VIRUS	cal							Yes
0001	UNe Slave Cal	00:23	426			HPF	cal							Yes
lrs20000007_01	flat_Qth_R	00:25	15			LRS2	cal							Yes
lrs20000007_02	flat_Qth_R	00:26	15			LRS2	cal							Yes
lrs20000007_03	flat_Qth_R	00:27	15			LRS2	cal							Yes
lrs20000007_04	flat_Qth_R	00:29	15			LRS2	cal							Yes
lrs20000007_05	flat_Qth_R	00:30	15			LRS2	cal							Yes
0002	UNe Slave Cal	00:31	426			HPF	cal							Yes
lrs20000008_01	flat_ldls_long_B	00:31	20			LRS2	cal							Yes
lrs20000008_02	flat_ldls_long_B	00:32	20			LRS2	cal							Yes
lrs20000008_03	flat_ldls_long_B	00:34	20			LRS2	cal							Yes
lrs20000009_01	Cd-A_B	00:35	29			LRS2	cal							Yes
lrs20000009_02	Cd-A_B	00:36	29			LRS2	cal							Yes
lrs20000009_03	Cd-A_B	00:38	29			LRS2	cal							Yes
0003	UNe Slave Cal	00:39	426			HPF	cal							Yes
lrs20000010_01	FeAr_R	00:39	15			LRS2	cal							Yes
lrs20000010_02	FeAr_R	00:41	15			LRS2	cal							Yes
lrs20000010_03	FeAr_R	00:42	15			LRS2	cal							Yes
lrs20000011_01	Hg_R	00:43	20			LRS2	cal							Yes
lrs20000011_02	Hg_R	00:44	20			LRS2	cal							Yes
lrs20000011_03	Hg_R	00:46	20			LRS2	cal							Yes
0004	UNe Slave Cal	00:47	426			HPF	cal							Yes
lrs20000012_01	Hg_B	00:47	15			LRS2	cal							Yes
lrs20000012_02	Hg_B	00:48	15			LRS2	cal							Yes
lrs20000012_03	Hg_B	00:49	15			LRS2	cal							Yes
0005	UNe Slave Cal	00:54	426			HPF	cal							Yes
virus0000006_01	flat_ldls_long	00:56	15			VIRUS	cal							Yes
virus0000006_02	flat_ldls_long	00:58	15			VIRUS	cal							Yes
virus0000006_03	flat_ldls_long	00:59	15			VIRUS	cal							Yes
virus0000007_01	Cd-A	01:01	15			VIRUS	cal							Yes
0006	UNe Slave Cal	01:02	426			HPF	cal							Yes
virus0000007_02	Cd-A	01:02	15			VIRUS	cal							Yes
virus0000007_03	Cd-A	01:03	15			VIRUS	cal							Yes
virus0000008_01	Hg	01:05	15			VIRUS	cal							Yes
virus0000008_02	Hg	01:06	15			VIRUS	cal							Yes
virus0000008_03	Hg	01:08	15			VIRUS	cal							Yes
lrs20000013_01	bias	01:10	0			LRS2	cal							Yes
virus0000009_01	bias	01:10	0			VIRUS	cal							Yes
lrs20000013_02	bias	01:10	0			LRS2	cal							Yes
virus0000009_02	bias	01:10	0			VIRUS	cal							Yes
lrs20000013_03	bias	01:11	0			LRS2	cal							Yes
virus0000009_03	bias	01:11	0			VIRUS	cal							Yes
lrs20000013_04	bias	01:12	0			LRS2	cal							Yes
virus0000009_04	bias	01:12	0			VIRUS	cal							Yes
lrs20000013_05	bias	01:13	0			LRS2	cal							Yes
virus0000009_05	bias	01:13	0			VIRUS	cal							Yes
lrs20000013_06	bias	01:14	0			LRS2	cal							Yes
virus0000009_06	bias	01:14	0			VIRUS	cal							Yes
lrs20000013_07	bias	01:15	0			LRS2	cal							Yes
virus0000009_07	bias	01:15	0			VIRUS	cal							Yes
lrs20000013_08	bias	01:15	0			LRS2	cal							Yes
lrs20000013_09	bias	01:16	0			LRS2	cal							Yes
virus0000009_08	bias	01:16	0			VIRUS	cal							Yes
virus0000009_09	bias	01:17	0			VIRUS	cal							Yes
lrs20000013_10	bias	01:17	0			LRS2	cal							Yes
virus0000009_10	bias	01:17	0			VIRUS	cal							Yes
lrs20000013_11	bias	01:18	0			LRS2	cal							Yes
virus0000009_11	bias	01:18	0			VIRUS	cal							Yes
lrs20000014_01	dark	01:19	360			LRS2	cal							Yes
virus0000010_01	dark	01:19	360			VIRUS	cal							Yes
lrs20000014_02	dark	01:26	360			LRS2	cal							Yes
virus0000010_02	dark	01:26	360			VIRUS	cal							Yes
lrs20000014_03	dark	01:33	360			LRS2	cal							Yes
virus0000010_03	dark	01:33	360			VIRUS	cal							Yes
lrs20000015_01	parallel	02:03	360			LRS2	sci							Yes
virus0000011_01	QID 517	02:03	360	5.0	PSU26-1-017	VIRUS	sci	1.51	1.04	21.79	0.92			Yes
0007	LFC Cal	02:04	106.5			HPF	cal							Yes
0008	LFC Cal	02:06	106.5			HPF	cal							Yes
lrs20000015_02	parallel	02:11	360			LRS2	sci							Yes
virus0000011_02	QID 517	02:11	360	2.0	PSU26-1-017	VIRUS	sci	1.36	0.93	21.77	0.91			Yes
lrs20000015_03	parallel	02:18	360			LRS2	sci							Yes
virus0000011_03	QID 517	02:18	360	1.0	PSU26-1-017	VIRUS	sci	1.35	0.85	21.72	0.94			Yes
0009	QID 1297	02:29	969.1	4.8	PSU26-1-023	HPF	sci	1.30	0.91	20.54	0.92	142		Yes
virus0000012_01	parallel	02:29	2047			VIRUS	sci							Yes
0010	QID 1297	02:46	969.1	0.8	PSU26-1-023	HPF	sci	1.28	0.80	20.63	0.93	154		Yes
0011	LFC Cal	03:04	106.5			HPF	cal							Yes
0012	QID 1324	03:08	617.7	6.7	UT26-1-009	HPF	sci	1.38	0.97	20.50	0.77	66		Yes
virus0000013_01	parallel	03:08	1984			VIRUS	sci							Yes
0013	QID 1324	03:20	617.7	0.7	UT26-1-009	HPF	sci	1.36	0.94	20.47	0.80	70		Yes
0014	QID 1324	03:31	617.7	0.7	UT26-1-009	HPF	sci	1.32	0.85	20.41	0.87	68		Yes
lrs20000016_01	parallel	03:48	360			LRS2	sci							Yes
0015	LFC Cal	03:49	106.5			HPF	cal							Yes
virus0000014_01	QID 1037	03:49	360	8.0	PSU26-1-017	VIRUS	sci	1.22	0.88	21.68	0.92			Yes
0016	LFC Cal	03:51	106.5			HPF	cal							Yes
lrs20000016_02	parallel	03:56	360			LRS2	sci							Yes
virus0000014_02	QID 1037	03:56	360	1.0	PSU26-1-017	VIRUS	sci	1.28	1.05	21.58	0.94			Yes
lrs20000016_03	parallel	04:03	360			LRS2	sci							Yes
virus0000014_03	QID 1037	04:03	360	1.0	PSU26-1-017	VIRUS	sci	1.29	0.96	21.40	0.92			Yes
0017	QID 1302	04:15	969.1	5.8	PSU26-1-023	HPF	sci	1.19	0.93	20.21	0.95	128		Yes
virus0000015_01	parallel	04:15	2047			VIRUS	sci							Yes
0018	QID 1302	04:32	969.1	0.8	PSU26-1-023	HPF	sci	1.19	1.01	19.77	1.02	102		Yes
0019	LFC Cal	04:50	106.5			HPF	cal							Yes
0020	LFC Cal	04:55	106.5			HPF	cal							Yes
virus0000016_01	parallel	04:55	360			VIRUS	sci							Yes
lrs20000017_01	QID 176	04:55	360	7.0	UT26-1-016	LRS2-R	sci	1.36	0.96	19.85	1.06			Yes
0021	LFC Cal	04:57	106.5			HPF	cal							Yes
0022	LFC Cal	05:05	106.5			HPF	cal							Yes
lrs20000018_01	QID 260	05:05	180	4.0	UT26-1-016	LRS2-B	sci	1.30	0.88	20.01	0.99			Yes
virus0000017_01	parallel	05:13	300			VIRUS	sci							Yes
lrs20000019_01	QID 22	05:13	300	5.0	PSU26-1-003	LRS2-R	sci	1.23	0.97	19.69	0.97			P4
0023	LFC Cal	05:14	106.5			HPF	cal							Yes
0024	LFC Cal	05:16	106.5			HPF	cal							Yes
lrs20000020_01	QID 1055	05:25	150	6.5	PSU26-1-016	LRS2-B	sci	1.36	1.07	20.23	0.88			Yes
lrs20000020_02	QID 1055	05:28	150	1.5	PSU26-1-016	LRS2-B	sci	1.39	1.17	20.17	0.90			Yes
0025	LFC Cal	05:36	106.5			HPF	cal							Yes
virus0000018_01	parallel	05:36	360			VIRUS	sci							Yes
lrs20000021_01	QID 1056	05:36	360	5.0	PSU26-1-016	LRS2-B	sci	1.60	1.10	20.10	0.95			Yes
0026	LFC Cal	05:38	106.5			HPF	cal							Yes
virus0000018_02	parallel	05:43	360			VIRUS	sci							Yes
lrs20000021_02	QID 1056	05:43	360	1.0	PSU26-1-016	LRS2-B	sci	1.67	1.36	20.05	0.96			Yes
0027	LFC Cal	05:53	106.5			HPF	cal							Yes
virus0000019_01	parallel	05:53	450			VIRUS	sci							Yes
lrs20000022_01	QID 1058	05:53	450	4.5	PSU26-1-016	LRS2-B	sci	1.66	1.11	20.04	0.91		check quality. iq degradation during second exp	Yes
0028	LFC Cal	05:56	106.5			HPF	cal							Yes
0029	LFC Cal	05:58	106.5			HPF	cal							Yes
virus0000019_02	parallel	06:02	450			VIRUS	sci							Yes
lrs20000022_02	QID 1058	06:02	450	0.5	PSU26-1-016	LRS2-B	sci	1.98	1.53	19.99	0.89			Yes
virus0000020_01	parallel	06:15	2047			VIRUS	sci							Yes
0030	QID 1301	06:16	969.1	6.8	PSU26-1-023	HPF	sci	1.56	1.27	19.66	0.97	67		Yes
0031	QID 1301	06:33	969.1	0.8	PSU26-1-023	HPF	sci	1.45	1.08	19.61	0.92	64		Yes
0032	LFC Cal	06:51	106.5			HPF	cal							Yes
lrs20000023_01	HD55677_056_E	06:56	30	6.5		LRS2	spec	1.95	1.24	19.28	0.94			Yes
lrs20000024_01	HD55677_066_E	07:00	30	3.5		LRS2	spec	1.79	0.97	19.04	0.90			Yes
0033	LFC Cal	07:02	106.5			HPF	cal							Yes
0034	QID 433	07:06	915.9	5.7	G26-1-002	HPF	sci	1.91	1.12	17.83	0.88	38		Yes
virus0000021_01	parallel	07:06	1959			VIRUS	sci							Yes
0035	QID 433	07:22	915.9	1.7	G26-1-002	HPF	sci	1.85	0.90	18.05	0.93	40		Yes
0036	LFC Cal	07:39	106.5			HPF	cal							Yes
0037	LFC Cal	07:44	106.5			HPF	cal							Yes
virus0000022_01	parallel	07:44	1200			VIRUS	sci							Yes
lrs20000025_01	QID 223	07:44	1200	6.0	UT26-1-016	LRS2-R	sci	1.80	1.42	19.72	1.06			Yes
0038	LFC Cal	07:46	106.5			HPF	cal							Yes
0039	LFC Cal	07:49	106.5			HPF	cal							Yes
0040	LFC Cal	08:08	106.5			HPF	cal							Yes
virus0000023_01	parallel	08:08	600			VIRUS	sci							Yes
lrs20000026_01	QID 307	08:08	600	4.0	UT26-1-016	LRS2-B	sci	1.54	1.26	19.74	1.01			Yes
0041	LFC Cal	08:10	106.5			HPF	cal							Yes
0042	LFC Cal	08:13	106.5			HPF	cal							Yes
0043	QID 344	08:25	521.9	7.3	UT26-1-015	HPF	sci	1.79	1.24	19.63	0.96	128		Yes
virus0000024_01	parallel	08:25	1145			VIRUS	sci							Yes
0044	QID 344	08:35	521.9	0.3	UT26-1-015	HPF	sci	1.75	1.21	19.60	0.95	132		Yes
0045	QID 345	08:50	245	6.9	UT26-1-015	HPF	sci	1.88	1.43	19.47	1.01	430		Yes
virus0000025_01	parallel	09:00	1023			VIRUS	sci							Yes
0046	QID 334	09:01	969.1	6.8	UT26-1-015	HPF	sci	2.15	1.90	19.68	1.04	353		Yes
0048	QID 1082	09:31	74.5	15.8	PSU26-1-011	HPF	sci	2.29	1.56	17.78	0.90		two iexp ran together	No
0049	QID 1082	09:43	74.5	8.8	PSU26-1-011	HPF	sci	1.99	1.04	17.89	0.90	506		Yes
0050	LFC Cal	10:32	106.5			HPF	cal							Yes
0051	QID 1310	10:36	649.6	5.2	PSU26-1-023	HPF	sci	1.59	1.27	18.82	0.89	407		Yes
virus0000026_01	parallel	10:36	2083			VIRUS	sci							Yes
0052	QID 1310	10:48	649.6	1.2	PSU26-1-023	HPF	sci	1.48	1.26	18.58	0.87	382		Yes
0053	QID 1310	10:59	649.6	0.2	PSU26-1-023	HPF	sci	1.45	1.23	18.13	0.94	330		Yes
lrs20000027_01	parallel	11:16	360			LRS2	eng							Yes
virus0000027_01	2025N1_20251209_034_E	11:16	360	6.0	ENG26-1-000	VIRUS	eng	1.89	1.49	19.18	0.86			Yes
0054	LFC Cal	11:17	106.5			HPF	cal							Yes
0055	LFC Cal	11:19	106.5			HPF	cal							Yes
lrs20000027_02	parallel	11:23	360			LRS2	eng							Yes
virus0000027_02	2025N1_20251209_034_E	11:23	360	1.0	ENG26-1-000	VIRUS	eng	1.68	1.33	19.40	0.92			Yes
lrs20000027_03	parallel	11:31	360			LRS2	eng							Yes
virus0000027_03	2025N1_20251209_034_E	11:31	360	2.0	ENG26-1-000	VIRUS	eng	1.63	1.08	19.31	0.90			Yes
0056	LFC Cal	11:41	106.5			HPF	cal							Yes
lrs20000028_01	parallel	11:41	600			LRS2	eng							Yes
virus0000028_01	2025N1_20251209_034_E	11:41	600	4.0	ENG26-1-000	VIRUS	eng	1.58	1.06	19.36	0.87			Yes
0057	LFC Cal	11:43	106.5			HPF	cal							Yes
0058	LFC Cal	11:45	106.5			HPF	cal							Yes
lrs20000028_02	parallel	11:52	600			LRS2	eng							Yes
virus0000028_02	2025N1_20251209_034_E	11:52	600	1.0	ENG26-1-000	VIRUS	eng	2.07	1.31	19.64	0.99			Yes
0059	LFC Cal	12:06	106.5			HPF	cal							Yes
virus0000029_01	parallel	12:06	1800			VIRUS	sci							Yes
lrs20000029_01	QID 1115	12:06	1800	4.0	UT26-1-004	LRS2-B	sci	1.88	1.19	19.46	0.89			Yes
0060	LFC Cal	12:08	106.5			HPF	cal							Yes
0061	LFC Cal	12:11	106.5			HPF	cal							Yes
0062	HR4829_tell_std	12:42	117.2	6.0		HPF	telluric	2.04		18.14	1.03			Yes
lrs20000030_01	bias	12:45	0			LRS2	cal							Yes
virus0000030_01	bias	12:46	0			VIRUS	cal							Yes
virus0000031_01	Cd-A	12:49	15		ENG26-1-002	VIRUS	cal							Yes
virus0000032_01	Hg	12:50	15		ENG26-1-002	VIRUS	cal							Yes
0063	Dark	13:21	319.5			HPF	cal							Yes
0064	Quartz FCU	13:33	74.5			HPF	cal							Yes
0065	Quartz FCU	13:35	74.5			HPF	cal							Yes
0066	Quartz FCU	13:36	74.5			HPF	cal							Yes
0067	Quartz FCU	13:38	74.5			HPF	cal							Yes
0068	Quartz FCU	13:40	74.5			HPF	cal							Yes
0069	Quartz FCU	13:42	74.5			HPF	cal							Yes
0070	Quartz FCU	13:43	74.5			HPF	cal							Yes
0071	Alpha Bright Cal	13:46	85.2			HPF	cal							Yes
0072	Alpha Bright Cal	13:48	85.2			HPF	cal							Yes
0073	Alpha Bright Cal	13:50	85.2			HPF	cal							Yes
0074	Alpha Bright Cal	13:52	85.2			HPF	cal							Yes
0075	LFC FCU	13:54	106.5			HPF	cal							Yes
0076	LFC FCU	13:57	106.5			HPF	cal							Yes
0077	LFC FCU	13:59	106.5			HPF	cal							Yes
0078	LFC FCU	14:01	106.5			HPF	cal							Yes
0079	LFC FCU	14:04	106.5			HPF	cal							Yes
0080	LFC FCU	14:06	106.5			HPF	cal							Yes
0081	LFC Cal	14:09	106.5			HPF	cal							Yes
0082	LFC Cal	14:11	106.5			HPF	cal							Yes
0083	Etalon Cal	14:19	159.8			HPF	cal							Yes
0084	Etalon Cal	14:22	159.8			HPF	cal							Yes
0085	Etalon Cal	14:25	159.8			HPF	cal							Yes
0086	Etalon Cal	14:29	159.8			HPF	cal							Yes
0087	UNe Slave Cal	14:32	426			HPF	cal							Yes
0088	UNe Slave Cal	14:40	426			HPF	cal							Yes
0089	UNe Slave Cal	14:48	426			HPF	cal							Yes
0090	UNe Slave Cal	14:55	426			HPF	cal							Yes
0079	LFC Cal	22:14	106.5			HPF	cal							Yes
lrs20009900_01	bias	22:26	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	22:27	20			VIRUS	cal							Yes
virus0009901_01	bias	22:28	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	22:29	20			LRS2	cal							Yes
virus0009902_01	dark	22:30	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:31	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:33	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:34	15			LRS2	cal							Yes
0080	Dark	23:21	319.5			HPF	cal							Yes
0081	Quartz FCU	23:27	74.5			HPF	cal							Yes
0082	Quartz FCU	23:29	74.5			HPF	cal							Yes
0083	Quartz FCU	23:31	74.5			HPF	cal							Yes
0084	Quartz FCU	23:33	74.5			HPF	cal							Yes
0085	Quartz FCU	23:34	74.5			HPF	cal							Yes
0086	Quartz FCU	23:36	74.5			HPF	cal							Yes
0087	Quartz FCU	23:38	74.5			HPF	cal							Yes
0088	Alpha Bright Cal	23:40	85.2			HPF	cal							Yes
0089	Alpha Bright Cal	23:42	85.2			HPF	cal							Yes
0090	Alpha Bright Cal	23:44	85.2			HPF	cal							Yes
0091	Alpha Bright Cal	23:46	85.2			HPF	cal							Yes
0092	LFC FCU	23:49	106.5			HPF	cal							Yes
0093	LFC FCU	23:51	106.5			HPF	cal							Yes
0094	LFC Cal	23:54	106.5			HPF	cal							Yes
0095	LFC Cal	23:56	106.5			HPF	cal							Yes
0096	Etalon Cal	23:59	159.8			HPF	cal							Yes