Lightning talk shown at Xamarin's Xummit 2014

3. What you’ll learn in the
next 400,000ms (~6min):
-Camera Settings
-How to find the North Star
-How to compose and
photograph:
Star Trails (think Starry
Night)
Milky Way

4. Need this to get started!
• Cheap
Tripod
• Any
DSLR
• Interval Timer
Trigger (optional)

5. Star TrailsRecipe
Set camera mode => Manual
Quality => JPEG or RAW
Set camera lens => MF Manual Focus VR Off
White Balance => Auto
ISO => 800-4000
Aperture => ~f/1.8 - f/4.0
Shutter => ‘Bulb’

6. FOCUS (to infinity)
Use LiveView function to focus on the brightest object (Planet or
bright star) to get your camera focused

8. North Star ==
Polaris

9. • START => Activate the timer trigger, camera starts
Create a movie file out of still images in video-editing software
Open media as “Image-Sequence”, playback at @24fps or 30fps
Star Trail
Photograph
Single Frame

10. • Stack them in Photoshop using the “muchStars.atn”
action-script file, just point it at your folder of images

12. L I G H T P O L L U T I O N x__X

14. Dealing with light pollution
• Light Pollution Filter - filters out the wavelength of
light emitted by sodium halide lamps (yellow city
lights)
• Go on a camping trip :)

20. </talk
>