Log Book Entry No.114

Created: 02 Nov 2016 14:21:49

Last Revised: 02 Nov 2016 14:21:49

MatthewLast1

Bsc Project First Solar Observation

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• Matthew Last, Rose Grey, S Boogert
• ImagingSource DMK21AF04.AS
• Aligned shadow at speed 9
• Finderscope speed 5
• IC Capture 2.4 to record images
• Weather conditions - faint clouds & aeroplane contrails
• Focus set using edge of Sun
• No noticeable features observed (sunspots etc)
• approx 15 seconds to traverse sun using speed 8x
• No Filter - exposure set to 1/250s
• Blue Filter - exposure set to 1s - images not very clear due to cloud photos retaken
• Retaken Blue - exposure set to 1/7s
• Green Filter - exposure set to 1.4s (green filter dirty)
• Retaken Green exposure set to 1/15 s
• Red Filter - exposure set to 1/35s
• Error for Sun - taken 400 frames to measure variance, set expsure to 1/250 s