All Sky Camera Introduction Sky At Night - All Sky Camera project Why re-invent the wheel? Use security dome camera housing Cost of camera Board cameras Look at what sensors used in commercial Astro cameras e.g. ZWO, DMK, Oculus All sky (£755) Best available at reasonable cost is IMX225 board (c.$30) ICX205 as used in Occulus All Sky cam costs about £180

Sensitivity Comparison 1/3" Micron Aptina AR0130 sensor (ZWO ASI120 MC) 1/3" SONY Exmor IMX225 sensor (ZWO ASI224) (IMX224 and IMX225 are almost Identical)

Sensitivity IMX225 - 1 second exposure – b/w IMX225 - 1 second exposure - colour Canon EOS 450D 10 second exposure @ ISO 800

Mk I camera IMX 225 1.3MP camera with 170 degree fisheye lens- AHD output limited to 720 x 576 pixels by capture card- £20 from eBay £9.99 Dummy camera housing

Verdict is:- Not Worth it Mk 1A camera 4-channel AHD capture card $24 Verdict is:- Not Worth it IMX 225 1.3MP camera with 170 degree fisheye lens £20 from eBay £9.99 Dummy camera

Mk 2 camera IMX 225 camera board + IP connection + Wifi board - $28 IP or Wifi interface at 1280x 720 (720p) up to 120 frames/ second

Example (720 x 576p) Summer triangle and Milky Way

Software iSpy 64- FREE !!! Sharpcap – FREE !!! Handy AVI (like iSpy but license costs $39.95) iSpy/ HandyAVI functions:- Time lapse video Motion detect snapshot ‘Meteor’ event detection video Multiple cameras Web access Email/SMS notification of events

The next step Finalise design of housing, interface and dew heater Finalise sourcing of parts Establish numbers interested Buy parts and make up kits Set a date for workshop

‘Build a camera’ Workshop Kit of parts Housing Camera Connectors and cables Tools Software – preferably to be pre-loaded iSpy64 (https://www.ispyconnect.com/download.aspx) Sharpcap (http://www.sharpcap.co.uk/)

Thank You