HET Night Report Reader

Civil Date	Ephemerides
2025-12-07	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	00:02	00:51	01:20	12:16	12:45	13:34	02:53	-
Night Length	10:56		Sunset Temperature

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

Overlaps		none

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
23:56	7.1	9.4	07:37	dust	07:41
07:47	5.4	6.5	12:48	twilight	05:01
Total Time Open					12:42

Program	Night Priority	Science
01:20	Science
11:14	Engineering (Non-sidereal target attempt (C2025 N1))
11:47	Idle due to weather (quick seeing degradation)

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
00:45	01:20	0.39	0.81	2	291	6.8	7.5	7.7	304	6	First of Night
↪ Comments			Let dome air out for a little while to try to equalize temperatures a bit.
07:23	07:32	0.91	1.41	-118	1194	4.4	6.2	6.4	195	4	Post-Observing
07:32	07:37										Stack/Re-stack
07:47	08:27	0.41	0.67	-53	1594	6.5	6.7	6.7	243	6	Stack/Re-stack
12:12	12:45	0.49	0.78	-48	1571	4.5	4.9	4.8	182	5	End of Night

Problem Reports					no PRs

TO Comments	Calm and clear with fluctuating temperature. End of night stack completed and structure left at CCAS position.

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	00:00	298.2			HPF	cal					450		Yes
lrs20000001_01	skyflat	00:09	7			LRS2	cal							Yes
lrs20000002_01	skyflat	00:10	10			LRS2	cal							Yes
lrs20000003_01	skyflat	00:11	13			LRS2	cal							Yes
lrs20000004_01	skyflat	00:12	16			LRS2	cal							Yes
lrs20000005_01	skyflat	00:14	22			LRS2	cal							Yes
lrs20000006_01	skyflat	00:15	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	00:22	26			VIRUS	cal							Yes
lrs20000007_01	dark	00:25	360			LRS2	cal							Yes
virus0000006_01	dark	00:25	360			VIRUS	cal							Yes
lrs20000007_02	dark	00:32	360			LRS2	cal							Yes
virus0000006_02	dark	00:32	360			VIRUS	cal							Yes
lrs20000007_03	dark	00:39	360			LRS2	cal							Yes
virus0000006_03	dark	00:39	360			VIRUS	cal							Yes
0002	LFC Cal	00:51	106.5			HPF	cal							Yes
0003	LFC Cal	00:54	106.5			HPF	cal							Yes
0004	LFC Cal	00:56	106.5			HPF	cal							Yes
0005	LFC Cal	01:25	106.5			HPF	cal							Yes
lrs20000008_01	parallel	01:25	360			LRS2	sci							Yes
virus0000007_01	QID 828	01:25	360	4.0	PSU26-1-017	VIRUS	sci	1.35	1.17	21.82	0.92			Yes
0006	LFC Cal	01:28	106.5			HPF	cal							Yes
lrs20000008_02	parallel	01:32	360			LRS2	sci							Yes
virus0000007_02	QID 828	01:32	360	1.0	PSU26-1-017	VIRUS	sci	1.39	1.71	21.84	0.91			Yes
lrs20000008_03	parallel	01:40	360			LRS2	sci							Yes
virus0000007_03	QID 828	01:40	360	2.0	PSU26-1-017	VIRUS	sci	1.22		21.85	0.90			Yes
virus0000008_01	parallel	01:52	2047			VIRUS	sci							Yes
0007	QID 1298	01:53	969.1	6.8	PSU26-1-023	HPF	sci	1.39	1.17	20.18	0.94	77		Yes
0008	QID 1298	02:10	969.1	0.8	PSU26-1-023	HPF	sci	1.41	0.97	20.27	0.95	79		Yes
0009	LFC Cal	02:28	106.5			HPF	cal							Yes
0010	QID 1297	02:33	969.1	6.8	PSU26-1-023	HPF	sci	1.37	0.98	20.44	0.92	142		Yes
virus0000009_01	parallel	02:33	2047			VIRUS	sci							Yes
0011	QID 1297	02:50	969.1	1.8	PSU26-1-023	HPF	sci	1.43	1.31	20.33	0.92	144		Yes
0012	LFC Cal	03:08	106.5			HPF	cal							Yes
0013	QID 1323	03:14	617.7	6.7	UT26-1-009	HPF	sci	1.66	1.67	19.74	0.78	64		Yes
virus0000010_01	parallel	03:14	1984			VIRUS	sci							Yes
0014	QID 1323	03:25	617.7	1.7	UT26-1-009	HPF	sci	1.63	1.37	19.54	0.80	66		Yes
0015	QID 1323	03:36	617.7	0.7	UT26-1-009	HPF	sci	1.66	1.46	19.16	0.86	58		Yes
0016	LFC Cal	03:53	106.5			HPF	cal							Yes
virus0000011_01	parallel	03:53	300			VIRUS	sci							Yes
lrs20000009_01	QID 41	03:53	300	6.0	PSU26-1-003	LRS2-R	sci	1.78	1.52	19.80	1.09			P4
0017	LFC Cal	03:55	106.5			HPF	cal							Yes
0018	QID 1303	04:05	969.1	7.8	PSU26-1-023	HPF	sci	1.64	1.63	19.83	0.97	130		Yes
virus0000012_01	parallel	04:05	2047			VIRUS	sci							Yes
0019	QID 1303	04:23	969.1	0.8	PSU26-1-023	HPF	sci	1.57	1.32	19.68	1.00	120		Yes
0020	LFC Cal	04:40	106.5			HPF	cal							Yes
virus0000013_01	parallel	04:47	891			VIRUS	sci							Yes
0021	QID 1108	04:48	830.7	8.2	UT26-1-006	HPF	sci	1.54	1.40	19.28	0.94	262		Yes
virus0000014_01	parallel	05:09	2047			VIRUS	sci							Yes
0022	QID 1301	05:10	969.1	8.8	PSU26-1-023	HPF	sci	1.43	1.18	19.40	1.08	57		Yes
0023	QID 1301	05:27	969.1	0.8	PSU26-1-023	HPF	sci	1.38	1.14	19.48	0.99	65		Yes
0024	LFC Cal	05:45	106.5			HPF	cal							Yes
0025	QID 1224	05:50	969.1	6.8	UT26-1-003	HPF	sci	1.47	1.40	19.70	0.90	25		Yes
virus0000015_01	parallel	05:50	2047			VIRUS	sci							Yes
0026	QID 1224	06:07	969.1	0.8	UT26-1-003	HPF	sci	1.42	1.08	19.29	0.90	25		Yes
0027	QID 1088	06:32	74.5	8.8	PSU26-1-011	HPF	sci	1.29	1.10	19.05	0.69	528		Yes
0028	QID 1300	06:40	969.1	6.8	PSU26-1-023	HPF	sci	1.36	1.33	19.63	0.84	146		Yes
virus0000016_01	parallel	06:40	2047			VIRUS	sci							Yes
0029	QID 1300	06:57	969.1	0.8	PSU26-1-023	HPF	sci	1.37	1.36	19.41	0.84	146		Yes
0030	LFC Cal	07:15	106.5			HPF	cal							Yes
0031	QID 1091	07:22	74.5	8.8	PSU26-1-011	HPF	sci	2.48	1.90	18.40	0.88	242		P4
virus0000017_01	parallel	08:33	1145			VIRUS	sci							Yes
0032	QID 344	08:34	521.9	7.3	UT26-1-015	HPF	sci	1.22	0.95	19.42	0.96	176		Yes
0033	QID 344	08:43	521.9	0.3	UT26-1-015	HPF	sci	1.17	0.80	19.28	0.94	168		Yes
0034	QID 345	08:59	245	6.9	UT26-1-015	HPF	sci	1.27	1.29	19.20	1.03	590		Yes
virus0000018_01	parallel	09:09	2047			VIRUS	sci							Yes
0035	QID 338	09:10	969.1	6.8	UT26-1-015	HPF	sci	1.19	0.98	19.34	0.95	315		Yes
0036	QID 338	09:27	969.1	0.8	UT26-1-015	HPF	sci	1.13	0.96	19.24	0.90	263		Yes
0037	QID 339	09:49	245	5.9	UT26-1-015	HPF	sci	1.41	1.10	18.85	1.06	487		Yes
0038	HR2052_tell_std	10:02	330.2	9.5		HPF	telluric	1.34	1.08	19.08	0.97			Yes
lrs20000010_01	HD37725_056_W	10:13	15	4.8		LRS2	spec	1.41	0.83	19.06	0.93			Yes
lrs20000011_01	HD37725_066_W	10:16	15	2.8		LRS2	spec	1.44	1.02	19.08	1.00			Yes
0039	QID 1310	10:28	649.6	12.2	PSU26-1-023	HPF	sci	1.87	1.16	18.90	0.80	284		Yes
virus0000019_01	parallel	10:28	2083			VIRUS	sci							Yes
0040	QID 1310	10:40	649.6	1.2	PSU26-1-023	HPF	sci	1.55	1.05	19.07	0.88	382		Yes
0041	QID 1310	10:52	649.6	0.2	PSU26-1-023	HPF	sci	1.85	2.27	19.15	0.83	326		Yes
0042	LFC Cal	11:04	106.5			HPF	cal							Yes
0043	QID 1087	11:12	95.9	10.4	PSU26-1-011	HPF	sci	1.93	2.13	18.38	0.96	431		Yes
0044	LFC Cal	11:26	106.5			HPF	cal							Yes
lrs20000012_01	parallel	11:26	360			LRS2	eng							Yes
virus0000020_01	2025N1_20251208_000_E	11:26	360	12.0	ENG26-1-000	VIRUS	eng	2.17	1.75	19.09	1.08			Yes
0045	LFC Cal	11:29	106.5			HPF	cal							Yes
lrs20000012_02	parallel	11:33	360			LRS2	eng							Yes
virus0000020_02	2025N1_20251208_000_E	11:33	360	1.0	ENG26-1-000	VIRUS	eng	2.65	1.17	19.19	1.05			Yes
lrs20000012_03	parallel	11:41	360			LRS2	eng							Yes
virus0000020_03	2025N1_20251208_000_E	11:41	360	2.0	ENG26-1-000	VIRUS	eng	2.22	1.41	19.38	0.78			Yes
0046	LFC Cal	11:49	106.5			HPF	cal							Yes
lrs20000013_01	parallel	11:49	600			LRS2	eng							Yes
virus0000021_01	2025N1_20251208_000_E	11:49	600	2.0	ENG26-1-000	VIRUS	eng	2.65	1.58	19.42	1.09		quick seeing degradation	No
0047	LFC Cal	11:51	106.5			HPF	cal							Yes
0048	LFC Cal	11:54	106.5			HPF	cal							Yes
lrs20000013_02	parallel	12:00	600			LRS2	eng							Yes
virus0000021_02	2025N1_20251208_000_E	12:00	480	-1.0	ENG26-1-000	VIRUS	eng	3.31	2.24	19.31	0.80		done partially	No
lrs20000014_01	bias	12:16	0			LRS2	cal							Yes
virus0000022_01	bias	12:17	0			VIRUS	cal							Yes
virus0000023_01	Cd-A	12:21	15		ENG26-1-002	VIRUS	cal							Yes
virus0000024_01	Hg	12:23	15		ENG26-1-002	VIRUS	cal							Yes
0049	Dark	12:48	319.5			HPF	cal							Yes
0050	Quartz FCU	13:00	74.5			HPF	cal							Yes
0051	Quartz FCU	13:01	74.5			HPF	cal							Yes
0052	Quartz FCU	13:03	74.5			HPF	cal							Yes
0053	Quartz FCU	13:05	74.5			HPF	cal							Yes
0054	Quartz FCU	13:07	74.5			HPF	cal							Yes
0055	Quartz FCU	13:08	74.5			HPF	cal							Yes
0056	Quartz FCU	13:10	74.5			HPF	cal							Yes
0057	Alpha Bright Cal	13:13	85.2			HPF	cal							Yes
0058	Alpha Bright Cal	13:14	85.2			HPF	cal							Yes
0059	Alpha Bright Cal	13:16	85.2			HPF	cal							Yes
0060	Alpha Bright Cal	13:18	85.2			HPF	cal							Yes
0061	LFC FCU	13:21	106.5			HPF	cal							Yes
0062	LFC FCU	13:24	106.5			HPF	cal							Yes
0063	LFC FCU	13:26	106.5			HPF	cal							Yes
0064	LFC FCU	13:28	106.5			HPF	cal							Yes
0065	LFC FCU	13:30	106.5			HPF	cal							Yes
0066	LFC FCU	13:33	106.5			HPF	cal							Yes
0067	LFC Cal	13:36	106.5			HPF	cal							Yes
0068	LFC Cal	13:38	106.5			HPF	cal							Yes
0069	Etalon Cal	13:46	159.8			HPF	cal							Yes
0070	Etalon Cal	13:49	159.8			HPF	cal							Yes
0071	Etalon Cal	13:52	159.8			HPF	cal							Yes
0072	Etalon Cal	13:55	159.8			HPF	cal							Yes
0073	UNe Slave Cal	13:59	426			HPF	cal							Yes
0074	UNe Slave Cal	14:07	426			HPF	cal							Yes
0075	UNe Slave Cal	14:14	426			HPF	cal							Yes
0076	UNe Slave Cal	14:22	426			HPF	cal							Yes
0077	UNe Slave Cal	14:30	426			HPF	cal							Yes
0078	UNe Slave Cal	14:38	426			HPF	cal							Yes
0067	LFC Cal	21:49	106.5			HPF	cal							Yes
lrs20009900_01	bias	22:01	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	22:02	20			VIRUS	cal							Yes
virus0009901_01	bias	22:03	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	22:04	20			LRS2	cal							Yes
virus0009902_01	dark	22:05	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:06	29			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:08	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:09	15			LRS2	cal							Yes
0068	Dark	22:13	319.5			HPF	cal							Yes
0069	Quartz FCU	22:20	74.5			HPF	cal							Yes
0070	Quartz FCU	22:21	74.5			HPF	cal							Yes
0071	Quartz FCU	22:23	74.5			HPF	cal							Yes
0072	Quartz FCU	22:25	74.5			HPF	cal							Yes
0073	Quartz FCU	22:27	74.5			HPF	cal							Yes
0074	Quartz FCU	22:28	74.5			HPF	cal							Yes
0075	Quartz FCU	22:30	74.5			HPF	cal							Yes
0076	Alpha Bright Cal	22:33	85.2			HPF	cal							Yes
0077	Alpha Bright Cal	22:34	85.2			HPF	cal							Yes
0078	Alpha Bright Cal	22:36	85.2			HPF	cal							Yes
0079	Alpha Bright Cal	22:38	85.2			HPF	cal							Yes
0080	LFC FCU	22:41	106.5			HPF	cal							Yes
0081	LFC FCU	22:44	106.5			HPF	cal							Yes
0082	LFC Cal	22:46	106.5			HPF	cal							Yes
0083	LFC Cal	22:49	106.5			HPF	cal							Yes
0084	Etalon Cal	22:51	159.8			HPF	cal							Yes
0085	UNe Slave Cal	22:55	426			HPF	cal							Yes
lrs20000017_01	flat_Qth_R	22:56	15			LRS2	cal							Yes
lrs20000017_02	flat_Qth_R	22:57	15			LRS2	cal							Yes
lrs20000017_03	flat_Qth_R	22:59	15			LRS2	cal							Yes
lrs20000017_04	flat_Qth_R	23:00	15			LRS2	cal							Yes
lrs20000017_05	flat_Qth_R	23:01	15			LRS2	cal							Yes
lrs20000018_01	flat_ldls_long_B	23:02	20			LRS2	cal							Yes
0086	UNe Slave Cal	23:03	426			HPF	cal							Yes
lrs20000018_02	flat_ldls_long_B	23:04	20			LRS2	cal							Yes
lrs20000018_03	flat_ldls_long_B	23:05	20			LRS2	cal							Yes
lrs20000019_01	Cd-A_B	23:06	29			LRS2	cal							Yes
lrs20000019_02	Cd-A_B	23:08	29			LRS2	cal							Yes
lrs20000019_03	Cd-A_B	23:09	29			LRS2	cal							Yes
0087	UNe Slave Cal	23:11	426			HPF	cal							Yes
lrs20000020_01	FeAr_R	23:11	15			LRS2	cal							Yes
lrs20000020_02	FeAr_R	23:12	15			LRS2	cal							Yes
lrs20000020_03	FeAr_R	23:13	15			LRS2	cal							Yes
lrs20000021_01	Hg_R	23:14	20			LRS2	cal							Yes
lrs20000021_02	Hg_R	23:16	20			LRS2	cal							Yes
lrs20000021_03	Hg_R	23:17	20			LRS2	cal							Yes
0088	UNe Slave Cal	23:18	426			HPF	cal							Yes
lrs20000022_01	Hg_B	23:18	15			LRS2	cal							Yes
lrs20000022_02	Hg_B	23:20	15			LRS2	cal							Yes
lrs20000022_03	Hg_B	23:21	15			LRS2	cal							Yes
0089	UNe Slave Cal	23:26	426			HPF	cal							Yes
virus0000018_01	flat_ldls_long	23:27	15			VIRUS	cal							Yes
virus0000018_02	flat_ldls_long	23:29	15			VIRUS	cal							Yes
virus0000018_03	flat_ldls_long	23:30	15			VIRUS	cal							Yes
virus0000019_01	Cd-A	23:32	15			VIRUS	cal							Yes
virus0000019_02	Cd-A	23:33	15			VIRUS	cal							Yes
0090	UNe Slave Cal	23:34	426			HPF	cal							Yes
virus0000019_03	Cd-A	23:34	15			VIRUS	cal							Yes
virus0000020_01	Hg	23:36	15			VIRUS	cal							Yes
virus0000020_02	Hg	23:37	15			VIRUS	cal							Yes
virus0000020_03	Hg	23:39	15			VIRUS	cal							Yes
lrs20000023_01	bias	23:40	0			LRS2	cal							Yes
virus0000021_01	bias	23:40	0			VIRUS	cal							Yes
lrs20000023_02	bias	23:41	0			LRS2	cal							Yes
virus0000021_02	bias	23:41	0			VIRUS	cal							Yes
lrs20000023_03	bias	23:42	0			LRS2	cal							Yes
virus0000021_03	bias	23:42	0			VIRUS	cal							Yes
lrs20000023_04	bias	23:42	0			LRS2	cal							Yes
virus0000021_04	bias	23:43	0			VIRUS	cal							Yes
lrs20000023_05	bias	23:43	0			LRS2	cal							Yes
virus0000021_05	bias	23:44	0			VIRUS	cal							Yes
lrs20000023_06	bias	23:44	0			LRS2	cal							Yes
virus0000021_06	bias	23:44	0			VIRUS	cal							Yes
lrs20000023_07	bias	23:45	0			LRS2	cal							Yes
virus0000021_07	bias	23:45	0			VIRUS	cal							Yes
lrs20000023_08	bias	23:46	0			LRS2	cal							Yes
virus0000021_08	bias	23:46	0			VIRUS	cal							Yes
lrs20000023_09	bias	23:47	0			LRS2	cal							Yes
virus0000021_09	bias	23:47	0			VIRUS	cal							Yes
lrs20000023_10	bias	23:48	0			LRS2	cal							Yes
virus0000021_10	bias	23:48	0			VIRUS	cal							Yes
lrs20000023_11	bias	23:48	0			LRS2	cal							Yes
virus0000021_11	bias	23:49	0			VIRUS	cal							Yes