Monday, February 16, 2015

Vignette: Lake Olga Milky Way

Image not modified using software; Taken 9/25/14 at 9:19PM EST
F-stop: f/1.8
Exposure time: 8 seconds
ISO: 1600
Auto white balance
with Nikon D7000 body and Nikon 35mm f/1.8G AF-S DX Lens

I made this image while tenting for a couple nights in Manistee, MI on 80 acres that a professor of mine at Calvin owns.

Conditions were nearly perfect: the moon was new, Lake Olga is in the middle of private and federal forest land away from cities, and the humidity was fairly low that day.  This photograph was taken well after dark.

Though invisible to my eye, an 8 second exposure was still enough to pick up some lingering rays from the setting sun, below the horizon.  This allowed for some color in the sky and clouds, yet was dark enough to expose the Milky Way in the southwestern sky.

Exposing for longer than 8 seconds with my 35mm lens would start to cause star trailing, so I kept it to a minimum.  As your focal length increases, you will need to decrease your exposure time in order to avoid the trailing effect.

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