Difference: LogBookAstronomyEntry0161 ( vs. 1)

Revision 117 Jan 2018 - SarahHughes

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META TOPICPARENT name="LogBookAstronomy"

Log Book Entry No.161

Days, Calendar Created: 17 Jan 2018 12:48:38 Days, Calendar Last Revised: 17 Jan 2018 12:48:38 Person SarahHughes Text PH3010 Solar Limb Darkening

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  • set timer to 405 seconds, (exp:1/4000s, gain:1023)
  • Aim to take drift scans using all filter
  • speed set to 3, lots of high cloud cover, image observed darkening in the live capture window
  • moved 20 secs in speed 3 to west of sun
  • terrestrial on and sequence timer started
  • drift scan taken with normal filter with lots of cloud (exp:1/4000s, gain:1023)
  • error scan taken at centre with cloud (exp:1/2959s, gain:1023)
  • error scan taken at centre with blue filter with clouds (exp: 1/218, gain:1023)
  • (forgot to change filename prefix however frames are in correct folder)
  • error scan taken at centre with green filter (exp: 1/618, gain:1023)
  • error scan taken at centre with red filter (exp: 1/1477, gain:1023)
  • repeating the error scan with red filter due to concerns of position of the dome (exp:1/1477, gain:1023)
  • despite intermittent cloud, drifts scans to be done to obtain bad data.
  • drift scan taken with red filter with lots of cloud (exp:1/1477s, gain:1023)
  • drift scan taken with red filter with lots of cloud (exp:1/618s, gain:1023)
  • considerable cloud cover (sun no longer visible in parts)
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FORM FIELD Subject Subject PH3010 Solar Limb Darkening
FORM FIELD Status Status blank
FORM FIELD Author Author TWikiGuest
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META FILEATTACHMENT attachment="normal_error_scan_cloud.zip" attr="" comment="" date="1516193149" name="normal_error_scan_cloud.zip" path="normal_error_scan_cloud.zip" size="22289982" user="zbvb680" version="1"
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META FILEATTACHMENT attachment="green_error_scan_cloud.zip" attr="" comment="" date="1516193271" name="green_error_scan_cloud.zip" path="green_error_scan_cloud.zip" size="21296580" user="zbvb680" version="1"
META FILEATTACHMENT attachment="red_error_repeated.zip" attr="" comment="" date="1516193297" name="red_error_repeated.zip" path="red_error_repeated.zip" size="20006120" user="zbvb680" version="1"
META FILEATTACHMENT attachment="red_error_scan_cloud.zip" attr="" comment="" date="1516193318" name="red_error_scan_cloud.zip" path="red_error_scan_cloud.zip" size="20506113" user="zbvb680" version="1"
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