Log Book Entry No.164

Days, Calendar Created: 18 Jan 2018 21:19:18 Days, Calendar Last Revised: 18 Jan 2018 22:37:50 Person DariaSoder Text Ph2900 Group C Observation 1

D.S., H.S. Z.C.W.

Star time 20:30

  • chose bright star(betelgeuse), estimate coords A=170 deg and a=45 deg
  • found star on stellarium: A=153 and a=43
  • Set telescope to d= 7deg ~30', h = 23h. h calculated from LST = 4h55m, alpha = 5h56m
  • DS and HS centred star in finder scope
  • used camera to adjust angles to center star in image
  • Coarse focused on Betelgeuse using telescope knobs
  • Fine focused on Betelgeuse using remote
  • Shifted view to left of Betelgeuse and continued fine focusing, this time on dimmer stars
  • Used subframe to finalise focusing
  • Took image: 20 second exposure, 1x1 binning
  • Shifted view to right of Betelgeuse, took image : 10 second exposure, 1x1 binninb
  • Finish Time 22:40
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Topic revision: r2 - 18 Jan 2018 - DariaSoder

 
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