blog:20260420

20260420

Time

1800 -

Attendance

Nick, saisri, Eric, Saron, Percy,pavi

Spaces Occupied

401, 433c, dome

Goals

Astropol

Equipment Used

Scope Camera Focus
MainPICSARR2 w/ 432
FinderASI 4822465

Frame Table

Time Observed Source Name Filter Int Time [s] Gain Airmass Mag (filter) RA [h] DEC [deg] Source Type Scope Purpose Notes
YYYYmmddTHHMM Object Filter time gain airmass mag(V) HH DD type Scope Purpose tracking? Others?
20260420T2030 Beta Leo g 12ms 50 1.338 0.37(V) 11 14 Low-pol Cal Main Astropol focus: 2521.3
20260420T2142 9 Gem g 12ms 50 1.705 6.5(V) 06 23 High-pol Cal Main Astropol focus: 2521.3
20260420T2200 9 Gem g 12ms 50 1.874 6.5(V) 06 23 High-pol Cal Main Astropol focus: 2521.3
20260420T2220 Beta Leo g 12ms 50 1.119 0.37(V) 11 14 Low-pol Cal Main Astropol focus: 2521.3
20260420T2240 Alpha Virgo g 12ms 50 1.869 1(V) 13 -11 Science Target Main Astropol focus: 2521.3
20260420T2257 Eta Boo g 12ms 50 1.229 1(V) 13 18 Low-pol Cal Main Astropol focus: 2521.3
20260420T2350 Eta Boo g 12ms 50 1.124 1(V) 13 18 Low-pol Cal Main Astropol focus: 2521.3
20260421T0015 HD 154445 g 12ms 50 2.785 6.5(V) 17 -0 High-pol Cal Main Astropol focus: 2521.3
20260421T0031 HD 154445 g 12ms 50 2.460 6.5(V) 17 -0 High-pol Cal Main Astropol focus: 2521.3
20260421T0059 Alpha Virgo g 12ms 50 1.573 1(V) 13 -11 Science Target Main Astropol focus: 2521.3
20260421T0107 Eta Boo g 12ms 50 1.071 1(V) 13 18 Low-pol Cal Main Astropol focus: 2521.3
20260421T0126 HD 154445 g 12ms 50 1.809 6.5(V) 17 -0 High-pol Cal Main Astropol focus: 2521.3
20260421T0149 HD 154445 g 12ms 50 1.665 6.5(V) 17 -0 High-pol Cal Main Astropol focus: 2521.3
20260421T0216 Alpha Virgo g 12ms 50 1.791 1(V) 13 -11 Science Target Main Astropol focus: 2521.3
20260421T0235 Eta Boo g 12ms 50 1.131 1(V) 13 18 Low-pol Cal Main Astropol focus: 2521.3
20260421T0259 HD 154445 g 12ms 50 1.398 6.5(V) 17 -0 High-pol Cal Main Astropol focus: 2521.3
20260421T0317 HD 154445 g 12ms 50 1.360 6.5(V) 17 -0 High-pol Cal Main Astropol focus: 2521.3
20260421T0337 Alpha Virgo g 12ms 50 1.312 1(V) 13 -11 Science Target Main Astropol focus: 2521.3
20260421T0358 Eta Boo g 12ms 50 1.339 1(V) 13 18 Low-pol Cal Main Astropol focus: 2521.3
20260421T0416 HD 154445 g 12ms 50 1.308 6.5(V) 17 -0 High-pol Cal Main Astropol focus: 2521.3
20260421T0453 Alpha Virgo g 12ms 50 1.111 1(V) 13 -11 Science Target Main Astropol focus: 2521.3
20260421T0512 Eta Boo g 12ms 50 1.786 1(V) 13 18 Low-pol Cal Main Astropol focus: 2521.3
20260421T0537 HD 154445 g 12ms 50 1.386 6.5(V) 17 -0 High-pol Cal Main Astropol focus: 2521.3

Log

[02:58:47] Pointing complete
[02:58:56] Slewed to HD 154445
[02:59:11] Started capture of HD 154445
[03:17:57] Started second capture of HD 154445
[03:35:28] Captures of HD 154445 completed
[03:36:55] Slewed to Alpha Virgo
[03:37:17] Started capture of Alpha Virgo
[03:54:53] Started capture of Alpha Virgo
[03:55:21] Completed Capture of Alpha Virgo
[03:55:38] Slewed to Eta Boo
[03:57:35] Started Capture of Eta Boo
[04:33:01] Slewed to HD 154445
[04:33:06] Started capture of HD 154445
[04:33:18] Started second capture of HD 154445
[04:50:55] capture completed of hd 1544455
[04:52:44] Started capture of Alpha Virgo
[04:53:02] Started capture of Alpha Virgo
[05:11:01] completed capture of alpha virgo
[05:12:08] Slewed to Eta Boo
[05:14:07] Started Capture of Eta Boo
[05:35:26] completed capture of eta boo
[05:36:26] Slewed to HD 154445
[05:37:17] Started capture of HD 154445
[05:57:59] Sun is rising - can't see the target anymore. Ending observation at this time, since we are not able to change the exposure time.
[05:58:17] Beginning shutdown procedures
 [06:05:13] North mirror door stalled, but closed on its own after a waiting a minute

ToDo

Notes

- Some issues with autodome not aligning with telescope throughout the night. Needed to manually set dome position to telescope azimuth in DFMTCS multiple times for the issue to resolve.

Weather

Time Temp Humidity
1900 47 35
2100 42 43
2200 40 48
2300 49 50
0000 37 54
0100 35 64
0200 35 65
0300 32 69
0400 33 69
0500 32 72

Data