HET Night Report Reader

Civil Date	Ephemerides
2025-10-09	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	00:38	01:23	01:51	11:35	12:03	12:49	02:09	-
Night Length	9:44		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator
Sergey Rostopchin	Cassie Crowe

Overlaps		none

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
02:56	15.2	16.4	03:48	dew point	00:52
04:25	14.4	15.5	11:34	dew point	07:09
Total Time Open					8:01

Program	Night Priority	Science
01:51	Idle due to weather (clouds)
04:23	Science
10:22	Engineering (testing non-sidereal observation)
11:07	Science
11:22	Idle due to weather (high humidity)

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
02:56	03:27	0.40	0.62	205	+3263	14.8	15.7	15.9	133	8	First of Night

Problem Reports
PR Number	Times	Time Lost	Description	Response
6546	22:34-23:43	01:09	PFIP server crashes repeatedly during cals due to PFIP EPICS relay running
6547	03:33-03:34	00:01	TT and ACQ wouldn't update

TO Comments	High humidity all night. Had to close for dew point a couple of times.

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
0001	Quartz FCU	00:00	74.5			HPF	cal							Yes
0002	Quartz FCU	00:02	74.5			HPF	cal							Yes
0003	Quartz FCU	00:04	74.5			HPF	cal							Yes
0004	Quartz FCU	00:05	74.5			HPF	cal							Yes
0005	Quartz FCU	00:07	74.5			HPF	cal							Yes
0006	Quartz FCU	00:09	74.5			HPF	cal							Yes
0007	Alpha Bright Cal	00:11	85.2			HPF	cal							Yes
0008	Alpha Bright Cal	00:13	85.2			HPF	cal							Yes
0009	Alpha Bright Cal	00:15	85.2			HPF	cal							Yes
0010	Alpha Bright Cal	00:17	85.2			HPF	cal							Yes
0011	LFC FCU	00:20	106.5			HPF	cal							Yes
0012	LFC FCU	00:22	106.5			HPF	cal							Yes
0013	LFC Cal	00:25	106.5			HPF	cal							Yes
0014	LFC Cal	00:27	106.5			HPF	cal							Yes
0015	Etalon Cal	00:30	159.8			HPF	cal							Yes
0016	UNe Slave Cal	00:34	426			HPF	cal							Yes
0017	UNe Slave Cal	00:41	426			HPF	cal							Yes
0018	UNe Slave Cal	00:49	426			HPF	cal							Yes
0019	UNe Slave Cal	00:57	426			HPF	cal							Yes
0020	UNe Slave Cal	01:05	426			HPF	cal							Yes
0021	UNe Slave Cal	01:12	426			HPF	cal							Yes
lrs20000001_01	flat_Qth_R	01:24	15			LRS2	cal							Yes
lrs20000001_02	flat_Qth_R	01:26	15			LRS2	cal							Yes
lrs20000001_03	flat_Qth_R	01:27	15			LRS2	cal							Yes
lrs20000001_04	flat_Qth_R	01:28	15			LRS2	cal							Yes
lrs20000001_05	flat_Qth_R	01:29	15			LRS2	cal							Yes
lrs20000002_01	flat_ldls_long_B	01:30	20			LRS2	cal							Yes
lrs20000002_02	flat_ldls_long_B	01:32	20			LRS2	cal							Yes
lrs20000002_03	flat_ldls_long_B	01:33	20			LRS2	cal							Yes
lrs20000003_01	Cd-A_B	01:34	38			LRS2	cal							Yes
lrs20000003_02	Cd-A_B	01:36	38			LRS2	cal							Yes
lrs20000003_03	Cd-A_B	01:38	38			LRS2	cal							Yes
lrs20000004_01	FeAr_R	01:39	15			LRS2	cal							Yes
lrs20000004_02	FeAr_R	01:40	15			LRS2	cal							Yes
lrs20000004_03	FeAr_R	01:42	15			LRS2	cal							Yes
lrs20000005_01	Hg_R	01:43	20			LRS2	cal							Yes
lrs20000005_02	Hg_R	01:44	20			LRS2	cal							Yes
lrs20000005_03	Hg_R	01:45	20			LRS2	cal							Yes
lrs20000006_01	Hg_B	01:47	15			LRS2	cal							Yes
lrs20000006_02	Hg_B	01:48	15			LRS2	cal							Yes
lrs20000006_03	Hg_B	01:49	15			LRS2	cal							Yes
virus0000001_01	flat_ldls_long	01:56	15			VIRUS	cal							Yes
virus0000001_02	flat_ldls_long	01:57	15			VIRUS	cal							Yes
virus0000001_03	flat_ldls_long	01:59	15			VIRUS	cal							Yes
virus0000002_01	Cd-A	02:00	15			VIRUS	cal							Yes
virus0000002_02	Cd-A	02:02	15			VIRUS	cal							Yes
virus0000002_03	Cd-A	02:03	15			VIRUS	cal							Yes
virus0000003_01	Hg	02:04	15			VIRUS	cal							Yes
virus0000003_02	Hg	02:06	15			VIRUS	cal							Yes
virus0000003_03	Hg	02:07	15			VIRUS	cal							Yes
lrs20000007_01	bias	02:28	0			LRS2	cal							Yes
virus0000004_01	bias	02:28	0			VIRUS	cal							Yes
lrs20000007_02	bias	02:29	0			LRS2	cal							Yes
virus0000004_02	bias	02:29	0			VIRUS	cal							Yes
lrs20000007_03	bias	02:30	0			LRS2	cal							Yes
virus0000004_03	bias	02:30	0			VIRUS	cal							Yes
lrs20000007_04	bias	02:31	0			LRS2	cal							Yes
virus0000004_04	bias	02:31	0			VIRUS	cal							Yes
lrs20000007_05	bias	02:32	0			LRS2	cal							Yes
virus0000004_05	bias	02:32	0			VIRUS	cal							Yes
lrs20000007_06	bias	02:32	0			LRS2	cal							Yes
lrs20000007_07	bias	02:33	0			LRS2	cal							Yes
virus0000004_06	bias	02:33	0			VIRUS	cal							Yes
virus0000004_07	bias	02:34	0			VIRUS	cal							Yes
lrs20000007_08	bias	02:34	0			LRS2	cal							Yes
virus0000004_08	bias	02:34	0			VIRUS	cal							Yes
lrs20000007_09	bias	02:35	0			LRS2	cal							Yes
virus0000004_09	bias	02:35	0			VIRUS	cal							Yes
lrs20000007_10	bias	02:36	0			LRS2	cal							Yes
virus0000004_10	bias	02:36	0			VIRUS	cal							Yes
lrs20000007_11	bias	02:37	0			LRS2	cal							Yes
virus0000004_11	bias	02:37	0			VIRUS	cal							Yes
lrs20000008_01	dark	02:38	360			LRS2	cal							Yes
virus0000005_01	dark	02:38	360			VIRUS	cal							Yes
lrs20000008_02	dark	02:45	360			LRS2	cal							Yes
virus0000005_02	dark	02:45	360			VIRUS	cal							Yes
lrs20000008_03	dark	02:51	360			LRS2	cal							Yes
virus0000005_03	dark	02:52	360			VIRUS	cal							Yes
0022	QID 4037	03:37	969.1	8.8	UT25-3-009	HPF	sci	1.79		19.45		13	high humidity	No
virus0000006_01	parallel	03:37	2047			VIRUS	sci							Yes
0023	LFC Cal	04:29	106.5			HPF	cal							Yes
lrs20000009_01	QID 692	04:29	180	6.0	UT25-3-015	LRS2-B	sci	1.64		19.46	0.85			P4
0024	LFC Cal	04:36	106.5			HPF	cal							Yes
virus0000007_01	parallel	04:36	360			VIRUS	sci							Yes
lrs20000010_01	QID 693	04:36	360	4.0	UT25-3-015	LRS2-R	sci	1.64		19.31	0.95			P4
0025	LFC Cal	04:39	106.5			HPF	cal							Yes
0026	LFC Cal	04:48	106.5			HPF	cal							Yes
lrs20000011_01	QID 3022	04:48	180	6.0	UT25-3-010	LRS2-B	sci	1.47		19.24	0.72			Yes
0027	QID 4031	04:58	969.1	6.8	UT25-3-009	HPF	sci	1.35		18.93	0.80	14		Yes
virus0000008_01	parallel	04:58	2047			VIRUS	sci							Yes
0028	QID 4031	05:15	969.1	0.8	UT25-3-009	HPF	sci	1.44		19.01	0.75	13		Yes
virus0000009_01	parallel	05:38	2047			VIRUS	sci							Yes
0029	QID 1938	05:39	969.1	7.8	PSU25-3-014	HPF	sci	1.44		19.25	0.91	318		Yes
0030	QID 1938	05:56	969.1	0.8	PSU25-3-014	HPF	sci	1.35		18.57	0.52	281		Yes
0031	LFC Cal	06:14	106.5			HPF	cal							Yes
0032	LFC Cal	06:21	106.5			HPF	cal							Yes
lrs20000012_01	QID 462	06:21	180	9.0	UT25-3-015	LRS2-B	sci	1.28		17.44	0.75			P4
virus0000010_01	parallel	06:27	360			VIRUS	sci							Yes
lrs20000013_01	QID 463	06:27	360	3.0	UT25-3-015	LRS2-R	sci	1.24		17.16	0.89			P4
0033	LFC Cal	06:28	106.5			HPF	cal							Yes
0034	LFC Cal	06:30	106.5			HPF	cal							Yes
virus0000011_01	parallel	06:39	1984			VIRUS	sci							Yes
0035	QID 2996	06:40	617.7	6.7	UT25-3-002	HPF	sci	1.62		19.31	0.88	79		Yes
0036	QID 2996	06:51	617.7	0.7	UT25-3-002	HPF	sci	1.35		19.34	0.89	91		Yes
0037	QID 2996	07:02	617.7	0.7	UT25-3-002	HPF	sci	1.34		19.23	0.90	78		Yes
0038	LFC Cal	07:18	106.5			HPF	cal							Yes
virus0000012_01	parallel	07:18	360			VIRUS	sci							Yes
lrs20000014_01	QID 189	07:18	360	6.0	UT25-3-015	LRS2-R	sci	1.32		18.70	0.94			P4
0039	LFC Cal	07:20	106.5			HPF	cal							Yes
0040	LFC Cal	07:29	106.5			HPF	cal							Yes
lrs20000015_01	QID 270	07:29	180	5.0	UT25-3-015	LRS2-B	sci	1.44		19.10	0.85			P4
0041	LFC Cal	07:39	106.5			HPF	cal							Yes
virus0000013_01	parallel	07:39	360			VIRUS	sci							Yes
lrs20000016_01	QID 271	07:39	360	7.0	UT25-3-015	LRS2-R	sci	1.47		19.09	1.01			P4
0042	LFC Cal	07:42	106.5			HPF	cal							Yes
0043	QID 1995	07:50	330.2	5.5	UT25-3-013	HPF	sci	1.45		19.10	0.96	334		Yes
virus0000014_01	parallel	07:50	2203			VIRUS	sci							Yes
0044	QID 1995	07:56	330.2	0.5	UT25-3-013	HPF	sci	1.45		19.10	0.96	347		Yes
0045	QID 1995	08:03	330.2	0.5	UT25-3-013	HPF	sci	1.48		19.12	0.97	351		Yes
0046	QID 1995	08:09	330.2	0.5	UT25-3-013	HPF	sci	1.45		19.11	0.97	346		Yes
0047	QID 1995	08:15	330.2	0.5	UT25-3-013	HPF	sci	1.46		19.09	0.96	330		Yes
0048	QID 1995	08:21	330.2	0.5	UT25-3-013	HPF	sci	1.45		19.09	0.95	317		Yes
0049	LFC Cal	08:28	106.5			HPF	cal							Yes
virus0000015_01	parallel	08:31	2047			VIRUS	sci							Yes
0050	QID 4029	08:32	969.1	5.8	UT25-3-009	HPF	sci	1.49		19.08	0.92	49		Yes
0051	QID 4029	08:49	969.1	0.8	UT25-3-009	HPF	sci	1.62		19.02	0.91	42		Yes
0052	LFC Cal	09:12	106.5			HPF	cal							Yes
lrs20000017_01	QID 448	09:12	180	7.0	UT25-3-015	LRS2-B	sci	1.58		18.40	0.76			P4
virus0000016_01	parallel	09:18	360			VIRUS	sci							Yes
0053	LFC Cal	09:19	106.5			HPF	cal							Yes
lrs20000018_01	QID 449	09:19	360	4.0	UT25-3-015	LRS2-R	sci	1.43		18.34	0.87			P4
0054	LFC Cal	09:21	106.5			HPF	cal							Yes
0055	LFC Cal	09:26	106.5			HPF	cal							Yes
0056	QID 1878	09:30	915.9	5.7	G25-3-002	HPF	sci	1.40		18.65	0.85	142		Yes
virus0000017_01	parallel	09:30	1959			VIRUS	sci							Yes
0057	QID 1878	09:47	915.9	0.7	G25-3-002	HPF	sci	1.54		18.59	0.84	126		Yes
0058	LFC Cal	10:03	106.5			HPF	cal							Yes
0059	LFC Cal	10:09	106.5			HPF	cal							Yes
lrs20000019_01	QID 811	10:09	180	7.0	UT25-3-015	LRS2-B	sci	1.75		18.65	0.85			P4
virus0000018_01	parallel	10:15	360			VIRUS	sci							Yes
0060	LFC Cal	10:16	106.5			HPF	cal							Yes
lrs20000020_01	QID 812	10:16	360	4.0	UT25-3-015	LRS2-R	sci	1.60		18.59	0.93			P4
0061	LFC Cal	10:18	106.5			HPF	cal							Yes
0062	QID 2971	10:30	170.4	7.2	ENG25-3-000	HPF	sci	2.04		17.25	0.96	567		No
virus0000019_01	parallel	10:30	2399			VIRUS	sci							Yes
0063	QID 2971	10:33	170.4	0.2	ENG25-3-000	HPF	sci	1.83		17.25	0.91	630		No
0064	QID 2971	10:37	170.4	1.2	ENG25-3-000	HPF	sci	1.73		17.25	0.88	654		No
0065	QID 2971	10:40	170.4	0.2	ENG25-3-000	HPF	sci	1.79		17.29	0.90	653		No
0066	QID 2971	10:44	170.4	0.2	ENG25-3-000	HPF	sci	1.82		17.30	0.91	671		No
0067	QID 2971	10:47	170.4	1.2	ENG25-3-000	HPF	sci	1.82		17.27	0.90	676		No
0068	QID 2971	10:50	170.4	0.2	ENG25-3-000	HPF	sci	1.80		17.29	0.91	701		No
0069	QID 2971	10:54	170.4	1.2	ENG25-3-000	HPF	sci	1.72		17.25	0.91	674		No
0070	QID 2971	10:57	170.4	0.2	ENG25-3-000	HPF	sci	1.68		17.20	0.91	627		No
0071	QID 2971	11:00	170.4	0.2	ENG25-3-000	HPF	sci	1.72		17.16	0.93	571		No
0072	QID 2971	11:04	170.4	1.2	ENG25-3-000	HPF	sci	1.61		17.11	0.95	526		No
0073	QID 1828	11:13	95.9	5.4	PSU25-3-008	HPF	sci	1.94		18.47	0.86	464		P4
0074	LFC Cal	11:19	106.5			HPF	cal							Yes
lrs20000021_01	QID 2135	11:19	180	5.0	UT25-3-010	LRS2-B	sci	2.04		18.46	0.81			Yes
0075	QID 1887	11:26	915.9	3.7	PSU25-3-010	HPF	sci	1.69		18.40	0.93	36	aborted. telescope closed due to high humidity.	No
virus0000020_01	parallel	11:26	1959			VIRUS	sci							Yes
lrs20000022_01	bias	11:43	0			LRS2	cal							Yes
virus0000021_01	bias	11:44	0			VIRUS	cal							Yes
virus0000023_01	Hg	11:47	15		ENG25-3-002	VIRUS	cal							Yes
0076	Dark	11:57	319.5			HPF	cal							Yes
0077	Quartz FCU	12:08	74.5			HPF	cal							Yes
0078	Quartz FCU	12:10	74.5			HPF	cal							Yes
0079	Quartz FCU	12:12	74.5			HPF	cal							Yes
0080	Quartz FCU	12:14	74.5			HPF	cal							Yes
0081	Quartz FCU	12:16	74.5			HPF	cal							Yes
0082	Quartz FCU	12:17	74.5			HPF	cal							Yes
0083	Quartz FCU	12:19	74.5			HPF	cal							Yes
0084	Alpha Bright Cal	12:21	85.2			HPF	cal							Yes
0085	Alpha Bright Cal	12:23	85.2			HPF	cal							Yes
0086	Alpha Bright Cal	12:25	85.2			HPF	cal							Yes
0087	Alpha Bright Cal	12:27	85.2			HPF	cal							Yes
0088	LFC FCU	12:30	106.5			HPF	cal							Yes
0089	LFC FCU	12:32	106.5			HPF	cal							Yes
0090	LFC FCU	12:35	106.5			HPF	cal							Yes
0091	LFC FCU	12:37	106.5			HPF	cal							Yes
0092	LFC FCU	12:39	106.5			HPF	cal							Yes
0093	LFC FCU	12:42	106.5			HPF	cal							Yes
0094	LFC Cal	12:44	106.5			HPF	cal							Yes
0095	LFC Cal	12:47	106.5			HPF	cal							Yes
0096	Etalon Cal	12:54	159.8			HPF	cal							Yes
0097	Etalon Cal	12:58	159.8			HPF	cal							Yes
0098	Etalon Cal	13:01	159.8			HPF	cal							Yes
0099	Etalon Cal	13:04	159.8			HPF	cal							Yes
0100	UNe Slave Cal	13:08	426			HPF	cal							Yes
0101	UNe Slave Cal	13:15	426			HPF	cal							Yes
0102	UNe Slave Cal	13:23	426			HPF	cal							Yes
0103	UNe Slave Cal	13:31	426			HPF	cal							Yes
0104	UNe Slave Cal	13:39	426			HPF	cal							Yes
0105	UNe Slave Cal	13:47	426			HPF	cal							Yes
0065	LFC Cal	21:51	106.5			HPF	cal							Yes
lrs20009900_01	bias	22:04	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	22:05	20			VIRUS	cal							Yes
virus0009901_01	bias	22:07	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	22:07	20			LRS2	cal							Yes
virus0009902_01	dark	22:09	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	22:10	38			LRS2	cal							Yes
lrs20009903_01	FeAr_R	22:12	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	22:13	15			LRS2	cal							Yes
0066	Dark	22:28	319.5			HPF	cal							Yes
0067	Quartz FCU	22:36	74.5			HPF	cal							Yes
0068	Quartz FCU	22:38	74.5			HPF	cal							Yes
0069	Quartz FCU	22:39	74.5			HPF	cal							Yes
0070	Quartz FCU	22:41	74.5			HPF	cal							Yes
0071	Quartz FCU	22:43	74.5			HPF	cal							Yes
0072	Quartz FCU	22:45	74.5			HPF	cal							Yes
0073	Quartz FCU	22:46	74.5			HPF	cal							Yes
0074	Alpha Bright Cal	22:49	85.2			HPF	cal							Yes
0075	Alpha Bright Cal	22:51	85.2			HPF	cal							Yes
0076	Alpha Bright Cal	22:53	85.2			HPF	cal							Yes
0077	Alpha Bright Cal	22:55	85.2			HPF	cal							Yes
0078	LFC FCU	22:59	106.5			HPF	cal							Yes
0079	LFC FCU	23:02	106.5			HPF	cal							Yes
0080	LFC Cal	23:05	106.5			HPF	cal							Yes
0081	LFC Cal	23:07	106.5			HPF	cal							Yes
0082	Etalon Cal	23:10	159.8			HPF	cal							Yes
0083	UNe Slave Cal	23:13	426			HPF	cal							Yes
0084	UNe Slave Cal	23:21	426			HPF	cal							Yes
virus0009907_01	flat_Qth	23:45	20			VIRUS	cal							Yes
virus0009908_01	bias	23:46	0			VIRUS	cal							Yes
virus0009909_01	dark	23:47	15			VIRUS	cal							Yes
0085	Dark	23:52	319.5			HPF	cal							Yes
0086	Quartz FCU	23:58	74.5			HPF	cal							Yes