Two-Years Ago (10-August-2014) — Baltic Sea

Gone to See Europe 2014. Day 71: Semester at Sea, Summer 2014 Semester Voyage. At Sea.

Julie Alone With the Moon on the Baltic Sea. Image taken with a Nikon Df camera and 70-200 mm f/4 VR lens (ISO 3200, 98 mm, f/4, 1/60 sec). Raw image processed with Capture One Pro, Nik Define, and Photoshop CC.

Julie Alone With the Moon on the Baltic Sea. Image taken with a Nikon Df camera and 70-200 mm f/4 VR lens (ISO 3200, 98 mm, f/4, 1/60 sec). Raw image processed with Capture One Pro, Nik Define, and Photoshop CC. (David J Mathre)
Julie Alone With the Moon on the Baltic Sea. Image taken with a Nikon Df camera and 70-200 mm f/4 VR lens (ISO 3200, 98 mm, f/4, 1/60 sec). Raw image processed with Capture One Pro, Nik Define, and Photoshop CC. (David J Mathre)

Six-Years Ago (10-August-2010) — Utah

Gone to See America August 2010 Road Trip. Day 10: Great Basin National Park, Nevada to Park City, Utah.

After a long day driving, I arrived in Park City. It was off season, and the Marriott Hotel I was staying at upgraded me to a room with two balconies and more square feet than my house. I was able to set up a camera on each balcony to do night sky star trails. One camera looking north and up to Polaris, the other looking east.

Star Trails from a Hotel in Park City, Utah. Composite of 154 images taken with a Nikon D3s camera and 45 mm f/2.8 PC-E lens (ISO 400, 45 mm, f/4, 30 sec). Raw images processed with Capture One Pro and the composite made using the Photoshop CC statistics (maximum) module. (David J Mathre)
Star Trails looking north and up. Composite of 154 images taken with a Nikon D3s camera and 45 mm f/2.8 PC-E lens (ISO 400, 45 mm, f/4, 30 sec). Raw images processed with Capture One Pro and the composite made using the Photoshop CC statistics (maximum) module. (David J Mathre)
Star Trails from a Hotel in Park City, Utah. Composite of 233 images taken with a Nikon D300 camera and 16 mm f/2.8 fisheye lens (ISO 400, 16 mm, f/2.8, 30 sec). Raw images processed with Capture One Pro and the composite made using the Photoshop CC statistics (maximum) module. (David J Mathre)
Star Trails from a Hotel in Park City, Utah. Composite of 233 images taken with a Nikon D300 camera and 16 mm f/2.8 fisheye lens (ISO 400, 16 mm, f/2.8, 30 sec). Raw images processed with Capture One Pro and the composite made using the Photoshop CC statistics (maximum) module. (David J Mathre)

One-Year Ago (08-August-2015) — New Jersey

Backyard Summertime Night Sky Over New Jersey.

Summer Star Trails. (1) Looking South. Composite of 167 images taken with a Nikon D810A camera and 16 mm f/2.8 fisheye lens (ISO 100, 10.5 mm, f/4, 120 sec). (2) Looking North. Composite of 134 images taken with a Nikon D800 camera and 10.5 mm f/2.8 fisheye lens (ISO 100, 10.5 mm, f/4, 120 sec). Raw images processed with Capture One Pro and Photoshop CC. Composite created with Scripts, Statistics, Maximum)

Summer Star Trails. Looking South. Composite of 167 images taken with a Nikon D810A camera and 16 mm f/2.8 fisheye lens (ISO 100, 10.5 mm, f/4, 120 sec). Raw images processed with Capture One Pro and Photoshop CC. Composite created with Scripts, Statistics, Maximum) (David J Mathre)
Summer Star Trails. Looking South. Composite of 167 images taken with a Nikon D810A camera and 16 mm f/2.8 fisheye lens (ISO 100, 10.5 mm, f/4, 120 sec). (David J Mathre)
Summer Star Trails. Looking North. Composite of 134 images taken with a Nikon D800 camera and 10.5 mm f/2.8 fisheye lens (ISO 100, 10.5 mm, f/4, 120 sec). Raw images processed with Capture One Pro and Photoshop CC. Composite created with Scripts, Statistics, Maximum) (David J Mathre)
Summer Star Trails. Looking North. Composite of 134 images taken with a Nikon D800 camera and 10.5 mm f/2.8 fisheye lens (ISO 100, 10.5 mm, f/4, 120 sec). (David J Mathre)

Six-Years Ago (07-August-2010) — California

Gone to See America August 2010 Road Trip. Day 7: Eastern Sierra Photography Workshop with Michael Mariant. Alabama Hills.

Sunrise Starburst Through Mobius Arch in the Alabama Hills near Lone Pine, California. Composite of 5 images taken with a Nikon D3x camera and 14-24 mm f/2.8 lens (ISO 100, 24 mm, f/22, 1/15 to 1/250 sec) processed using NIK HDR Efex Pro.

Sunrise Starburst Through Mobius Arch in the Alabama Hills near Lone Pine, California. Image taken with a Nikon D3x and 14-24 mm f/2.8 lens (ISO 100, 24 mm, f/22, 1/60 sec) processed using Capture One Pro 6. (David J Mathre)
Sunrise Starburst Through Mobius Arch in the Alabama Hills near Lone Pine, California. Image taken with a Nikon D3x and 14-24 mm f/2.8 lens (ISO 100, 24 mm, f/22, 1/60 sec) processed using Capture One Pro 6. (David J Mathre)
Sunrise Starburst Through Mobius Arch in the Alabama Hills near Lone Pine, California. Composite of 5 images taken with a Nikon D3x and 14-24 mm f/2.8 lens (ISO 100, 24 mm, f/22, 1/15 to 1/250 sec) processed using Photomatix Pro. (David J Mathre)
Sunrise Starburst Through Mobius Arch in the Alabama Hills near Lone Pine, California. Composite of 5 images taken with a Nikon D3x and 14-24 mm f/2.8 lens (ISO 100, 24 mm, f/22, 1/15 to 1/250 sec) processed using Photomatix Pro. (David J Mathre)
Sunrise Starburst Through Mobius Arch in the Alabama Hills near Lone Pine, California. Composite of 5 images taken with a Nikon D3x and 14-24 mm f/2.8 lens (ISO 100, 24 mm, f/22, 1/15 to 1/250 sec) processed using Photomatix Pro. Converted to B&W with Nik Silver Efex Pro 2. (David J Mathre)
Sunrise Starburst Through Mobius Arch in the Alabama Hills near Lone Pine, California. Composite of 5 images taken with a Nikon D3x and 14-24 mm f/2.8 lens (ISO 100, 24 mm, f/22, 1/15 to 1/250 sec) processed using Photomatix Pro. Converted to B&W with Nik Silver Efex Pro 2. (David J Mathre)

Six-Years Ago (07-August-2010) — California

Gone to See America August 2010 Road Trip. Day 7: Eastern Sierra Photography Workshop with Michael Mariant. Alabama Hills, CARMA Radio Telescopes.

A combination of still and time-lapse videos of the Night Sky and Milky Way viewed from the grounds of the CARMA Radio Telescope Array. CARMA is the Combined Array for Research in Millimeter Wave Astronomy run by Caltech, Berkeley, Univ Indiana Urbana, and Univ Maryland. It is located in the High Desert at Cedar Flats in the Inyo Mountains near Bishop, California. The research facility was shut down in 2015.