Astronomy - David Mathre Photography

Nine-Years Ago (11-February-2008) — New Jersey.

Backyard Night Sky in New Jersey: Star Trails.

Winter star trails looking south from my backyard. Composite of ten images taken with a Nikon D3 camera and 17-35 mm f/2.8 lens (ISO 200, 17 mm, f/4, 600 sec). A Nikon MC-36 intervalometer was used to trigger the camera for the 10 minute exposures (with a 3 seconds delay between exposures to allow the data to be written to the CF memory card.

Winter night sky -- star and jet trails looking south. Composite of 10 images taken with a Nikon D3 camera and 17-35 mm f/2.8 lens (ISO 200, 17 mm, f/4, 600 sec). Raw image processed with Capture One Pro, and the composite created using Photoshop CC (statistics, maximum). (David J Mathre) — Winter night sky — star and jet trails looking south. Composite of 10 images taken with a Nikon D3 camera and 17-35 mm f/2.8 lens (ISO 200, 17 mm, f/4, 600 sec). Raw image processed with Capture One Pro, and the composite created using Photoshop CC (statistics, maximum). (David J Mathre)

Backyard Night Sky in New Jersey: Star Trails.

Four-Years Ago (10-February-2013) — Norway

Gone to See Norway 2013. Chasing the Northern Lights. Day 13: Tromsø.

Winter walkabout in Tromsø, Norway. A random selection of images taken during the day. After dinner we did see a glimmer of Northern Lights peek through the bright city lights.

"Respect" Stencil on a billboard recently cleared of posts. Winter walkabout in Tromsø, Norway. Image taken with a Nikon 1 V2 camera and 18.5 mm f/1.8 lens (ISO 200, 18.5 mm, f/2.5, 1/400 sec). (David J Mathre) — “Respect” Stencil on a billboard recently cleared of posts. Winter walkabout in Tromsø, Norway. Image taken with a Nikon 1 V2 camera and 18.5 mm f/1.8 lens (ISO 200, 18.5 mm, f/2.5, 1/400 sec). (David J Mathre)

"Hot Pants" Sunday outdoor market/festival . Winter walkabout in Tromsø, Norway. Image taken with a Nikon 1 V2 camera and 18.5 mm f/1.8 lens (ISO 180, 18.5 mm, f/2.8, 1/500 sec). (David J Mathre) — “Hot Pants” Sunday outdoor market/festival . Winter walkabout in Tromsø Norway. Image taken with a Nikon 1 V2 camera and 18.5 mm f/1.8 lens (ISO 180, 18.5 mm, f/2.8, 1/500 sec). (David J Mathre)

"Locked Out". Winter walkabout in Tromsø, Norway. Image taken with a Nikon 1 V2 camera and 18.5 mm f/1.8 lens (ISO 400, 18.5 mm, f/1.8, 1/160 sec). (David J Mathre) — “Locked Out”. Winter walkabout in Tromsø, Norway. Image taken with a Nikon 1 V2 camera and 18.5 mm f/1.8 lens (ISO 400, 18.5 mm, f/1.8, 1/160 sec). (David J Mathre)

Graffiti on a wall. Winter walkabout in Tromsø, Norway. Image taken with a Nikon 1 V2 camera and 18.5 mm f/1.8 lens (ISO 200, 18.5 mm, f/2.5, 1/400 sec). (David J Mathre)

Locked winter door. Winter walkabout in Tromsø, Norway. Image taken with a Nikon 1 V2 camera and 18.5 mm f/1.8 lens (ISO 180, 18.5 mm, f/2.8, 1/500 sec). (David J Mathre)

Dead grass and rock along the harbor walkway. Winter walkabout in Tromsø, Norway. Image taken with a Nikon 1 V2 camera and 18.5 mm f/1.8 lens (ISO 180, 18.5 mm, f/2.8, 1/500 sec). (David J Mathre)

Billboard. My Norwegian is rusty. As best I can translate -- "Momma has been too long at the conference, with dad and too much popcorn and ice cream". Initially, I thought the kid was upset about his haircut... Winter walkabout in Tromsø, Norway. Image taken with a Nikon 1 V2 camera and 18.5 mm f/1.8 lens (ISO 220, 18.5 mm, f/2, 1/250 sec). (David J Mathre) — Billboard. My Norwegian is rusty. As best I can translate — “Momma has been too long at the conference, with dad and too much popcorn and ice cream”. Initially, I thought the kid was upset about his haircut… Winter walkabout in Tromsø, Norway. Image taken with a Nikon 1 V2 camera and 18.5 mm f/1.8 lens (ISO 220, 18.5 mm, f/2, 1/250 sec). (David J Mathre)

Toy store??? Winter walkabout in Tromsø, Norway. Image taken with a Nikon 1 V2 camera and 18.5 mm f/1.8 lens (ISO 320, 18.5 mm, f/2, 1/250 sec). (David J Mathre)

Using a very long hockey stick to clear the icicles above a storefront. Winter walkabout in Tromsø, Norway. Image taken with a Nikon 1 V2 camera and 18.5 mm f/1.8 lens (ISO 180, 18.5 mm, f/2.8, 1/500 sec). (David J Mathre)

Glimmer of Northern Lights peeking past the night lights in Tromsø, Norway. Image taken with a Nikon 1 V2 camera and 10 mm f/2.8 lens (ISO 800, 10 mm, f/2.8, 1 sec). (David J Mathre)

One-Year Ago (18-January-2016) — Pacific Ocean

Gone to See the World. Semester at Sea Spring 2016 Voyage on the MV World Odyssey. Day 13: Crossing the Pacific Ocean From Hawaii to Japan.

Panorama of the sun rising over the Pacific Ocean from the deck of the MV World Odyssey. Image taken with a Fuji X-T1 camera and 35 mm f/1.4 lens (ISO 200, 35 mm, f/16, 1/250 sec).

Pacific Ocean Sunrise from the aft deck of the MV World Odyssey. Image taken with a Fuji X-T1 camera and 35 mm f/1.4 lens (ISO 120, 35 mm, f/16, 1/250 sec). (David J Mathre)

One-Year Ago (17-January-2016) — Pacific Ocean

Gone to See the World. Semester at Sea Spring 2016 Voyage on the MV World Odyssey. Day 12: Crossing the Pacific Ocean.

Sunrise over the Pacific Ocean including a series of four images of the solar disk. The closest I’ve been catching the “Green Flash” at sunrise. Images taken with a Nikon N1 V3 camera and 70-300 mm VR lens (ISO 200, 300 mm, f/5.6, 1/500 sec). Field of View equivalent to an 810 mm lens on a 35 mm sensor camera.

Panorama of the sun rising over the Pacific Ocean from the aft deck of the MV World Odyssey. Composite of two images taken with a Fuji X-T1 camera and 35 mm f/1.4 lens (ISO 200, 35 mm, f/11, 1/250 sec). (David J Mathre)

Student photographer at sunrise showing me her selfie otn the deck of the MV World Odyssey. Image taken with a Fuji X-T1 camera and 35 mm f/1.4 lens (ISO 200, 35 mm, f/5.6, 1/125 sec). (David J Mathre)

One-Year Ago (08-January-2016) — Pacific Ocean

Gone to See the World. Semester at Sea Spring 2016 Voyage on the MV World Odyssey. Day 4: Crossing the Pacific Ocean.

The Moon, Venus. and Mercury visible at dawn from the deck of the MV World Odyssey while traveling across the Pacific Ocean. Image taken with a Fuji X-T1 camera and 23 mm f/1.4 lens (ISO 800, 23 mm, f/2, 1/60 sec).