Jimmy Grewal

@grew.al

93 Followers 37 Following

Managing Director at Elcome; previously Program Manager for Mac Internet Explorer at Microsoft, DukeU grad, curator of the AAPL Collection, photographer, husband & dad.

Star trails image captured on December 21, 2024, at Boschendal Wine Estate near Cape Town, oriented southward. The composite was created by stacking 600 individual 30-second exposures, illustrating the apparent rotation of stars around the southern celestial pole due to Earth’s rotation. Color variations in the trails correspond to stellar temperatures, with cooler stars appearing redder and hotter stars appearing bluer or white. Straight horizontal streaks across the frame are primarily satellites in stable orbits, accompanied by occasional bright meteors. The image shows minor camera movement artifacts resulting from windy conditions and the absence of a tripod. This technique visualizes Earth’s rotation. Leica Q3 camera, 600 x 30s exposures, 28mm @ ƒ/1.7, ISO 100. Edited in Lightroom, stacked in StarStaX for Mac, final touches in Photoshop.
The Milky Way rising over a lake in Wisconsin.
A man and a woman standing together in front a rocket in a parking lot in Hawthorne, California 🇺🇸
Man standing in front of a rocket.
A photo of a photographer at Disney California Adventure Park in Anaheim, California.
Middle aged man standing in front of a circular building.
Boy holding an iPad to view an AR experience at the Apple Park Visitor Center in Cupertino, California.
Photograph of a Microsoft HoloLens, Google Glass, and Oculus headset on display in my office.