Log Book Entry No.35

Days, Calendar Created: 20 Feb 2014 21:02:54 Days, Calendar Last Revised: 26 Feb 2014 14:01:37 Person CharlotteNedd Text MSci Skills intro to telescope

  • Dome doors
  • Telescope cover
  • Telescope power
  • Camera power
  • Lens caps
Using Maxim DL;
  • Camera control -> setup -> connect
  • Cooler -> set point -> 15 deg
Alignment star Castor (alpha Gemini);
  • RA 7h 35m 30s
  • Dec +31 deg 51' 21'
  • GST =4h 39m 04.2s
  • h (from Stellarium) = 21h 03m 30s
  • Expose -> 0.2s -> start
1st image Castor;
  • 4x4 binning
  • Take subframe
Telescope remote;
  • Focus- up/down moves camera in/out
  • Object -> star -> named -> Castor (press enter)
  • Press and hold enter 2s
Automatic Alignment with Jupiter;
  • Blue filter, lowest exposure
Move to Atlas and Pleione, Pleiades;

  • Take off filters (focus in filter drop down menu)
  • Take images with various exposures (0.2s, 0.8s, 1s, 1.5s, 3s, 5s)
  • Use graph tool to view whether there was saturation for each image. (horizontal line, ~60,000 saturation)
Move to NGC 1647

subframe around faint star and tried focus

switched off subframe and recorded entire cluster

took images with 1*1 binning and various exposure times, focus filter

took three dark frames with 30 seconds exposure times

took a light frame

took images with green, blue, red filter, exposure time 30 sec

adjusted exposure time (ratios: blue 1, green 1.3, red 1.6) and took images (1=150sec) red and green, cloudy for green;

weather changed

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Subject MSci Skills intro to telescope
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Topic revision: r3 - 26 Feb 2014 - CharlotteNedd

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