Difference: LogBookAstronomyEntry0132 (1 vs. 2)

Revision 220 Jan 2017 - TomHyatt

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META TOPICPARENT name="LogBookAstronomy"

Log Book Entry No.132

Days, Calendar Created: 20 Jan 2017 10:46:44 Days, Calendar Last Revised: 20 Jan 2017 14:24:40 Person TomHyatt Text MSci Skills Solar Limb PH3010
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>		People Present:

  • Tom Hyatt
  • Luna Borella
  • Rebecca Chafers
  • Virgina d'Emilio
  • Sam Youles
Start Time: 10:48

Conditions: Clear - No cloud

Setup:

  • Covers Removed
  • Solar Filters Added to main scope and finder scope
  • Camera Fitted to rear of scope
  • Dome Opened
  • open IC Capture
  • Aligned the sun using shadow and finder scope
  • Focused using the edge of the sun at the equator
  • Used histogram to check for saturation at the centre of the Sun (below 130(ish)pixel value at 1/350s exposure, gain 263)
  • Sequence timer with one second intervals for 450 frames
Data Taking:

  • From edge of Sun moved away for 15secs at speed 3
  • set tracking to terrestrial
  • start taking frames
First set of data: Tree in way!

(index number not changed so started at 451)

  • set of data taken with No Filter
Gain changed to 180 (lowest possible)

Second set of data:

  • Green Filter - Exposure 1/50 s
  • Blue Filter - Exposure 1/15 s
  • Red Filter - Exposure 1/60 s
  • No Filter - Exposure 1/350 s
Retake some data:

  • Blue Filter - Exposure 1/12 s
  • Green Filter - Exposure 1/45 s
  • Red Filter - Exposure 1/55 s
  • No Filter - Exposure 1/350 s
Centre data: (No Filter)
  • Exposure 1/350s
  • Exposure 1/150s
  • Exposure 1/250s
  • Exposure 1/450s
  • Exposure 1/550s
Finish Time 13:59

Further Sunspot Images taken using exposure:1/200s

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FORM FIELD Subject Subject MSci Skills Solar Limb PH3010
FORM FIELD Status Status blank
FORM FIELD Author Author TWikiGuest
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META FILEATTACHMENT attachment="GreenFilter.zip" attr="" comment="" date="1484914812" name="GreenFilter.zip" path="GreenFilter.zip" size="32456873" user="zavc888" version="1"
META FILEATTACHMENT attachment="BlueFilter.zip" attr="" comment="" date="1484915688" name="BlueFilter.zip" path="BlueFilter.zip" size="33732218" user="zavc888" version="1"
META FILEATTACHMENT attachment="RedFilter.zip" attr="" comment="" date="1484916414" name="RedFilter.zip" path="RedFilter.zip" size="36658892" user="zavc888" version="1"
META FILEATTACHMENT attachment="NoFilter.zip" attr="" comment="" date="1484917045" name="NoFilter.zip" path="NoFilter.zip" size="35579249" user="zavc888" version="1"
META FILEATTACHMENT attachment="BlueFilter2.zip" attr="" comment="" date="1484917844" name="BlueFilter2.zip" path="BlueFilter2.zip" size="36939265" user="zavc888" version="1"
META FILEATTACHMENT attachment="GreenFilter2.zip" attr="" comment="" date="1484918491" name="GreenFilter2.zip" path="GreenFilter2.zip" size="34139451" user="zavc888" version="1"
META FILEATTACHMENT attachment="RedFilter2.zip" attr="" comment="" date="1484919177" name="RedFilter2.zip" path="RedFilter2.zip" size="39497320" user="zavc888" version="1"
META FILEATTACHMENT attachment="NoFilter2.zip" attr="" comment="" date="1484919809" name="NoFilter2.zip" path="NoFilter2.zip" size="35929605" user="zavc888" version="1"
META FILEATTACHMENT attachment="CentreData.zip" attr="" comment="" date="1484920786" name="CentreData.zip" path="CentreData.zip" size="72750507" user="zavc888" version="1"
META FILEATTACHMENT attachment="Sunspot.zip" attr="" comment="" date="1484922278" name="Sunspot.zip" path="Sunspot.zip" size="64236226" user="zavc888" version="1"

Revision 120 Jan 2017 - TomHyatt

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META TOPICPARENT name="LogBookAstronomy"

Log Book Entry No.132

Days, Calendar Created: 20 Jan 2017 10:46:44 Days, Calendar Last Revised: 20 Jan 2017 14:24:40 Person TomHyatt Text MSci Skills Solar Limb PH3010 

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META FORM name="%25SYSTEMWEB%25.LogBookForm"
FORM FIELD Subject Subject MSci Skills Solar Limb PH3010
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FORM FIELD Author Author TWikiGuest
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