Log Book Entry No.128

Created: 13 Jan 2017 20:20:49

Last Revised: 13 Jan 2017 20:20:49

LenaLenz1

PH2900 Observation 1

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Boogert, Fernandes Miguel, Hughes Sarah, Lenz Lena

17:23

• Remove rain cover
• open doom doors (bolt, ropes, door)
• Remove telescope caps
• Switch on telescope power
• Telescope takes GPS fix
• Automatically moves west
• h = LST - \alpha = 1:36:45 LST - 5:17:58(Capella) ~ -3:41:0
• Centred capella in finders scope speed 5
• Synchronise coordinates on Capella ( object -> star -> named -> Capella -> Enter (2 seconds) -> Enter to sync)
• Opened MaxIm DL
• Connected camera and set exposure time to 0.1 second 4 binning
• selected new target in subframe exposure time 1 second 1 binning
• put into focus mode and adjusted focus using north and south based on maximum
• centered Haedus speed 5 and 7
• took multiple exposures between 0.1 and 1.5 seconds in steps of 0.1 seconds
• observed blooming 1.5 seconds maximum pixel value 55000
• saturation point 65000
• took 10 images at exposure 0.4 to observe the flux but reached saturation point due to cloud coverage
• took another 10 images at exposure 0.2 that had maximum pixel value around 30000

• 20170113.zip: 20170113.zip