Category: Astronomy

Views of the sun, moon, and stars

Seven-Years Ago (30-July-2008) — Colorado

Summer Night Sky Over Boulder, Colorado.

Startrails from my room at the Marriott Residence Inn in Boulder, Colorado. Composite of 200 images taken with a Nikon D3 camera and 24 mm f/3.5 PC-E lens (ISO 200, 24 mm, f/5.6, 30 sec exposures). Raw images processed with Capture One Pro 8, and combined using Photoshop CC 2014 (scripts, statistics, maximum).

Summer Nighttime Sky Over Boulder. Composite of 200 images taken with a Nikon D3 camera and 24 mm lens (ISO 200, 24 mm, f/5.6, 30 sec). Raw images processed with Capture One Pro, and the composite generated using Photoshop CC (statistics, maximum) (David J Mathre)
Summer Nighttime Sky Over Boulder. Composite of 200 images taken with a Nikon D3 camera and 24 mm lens (ISO 200, 24 mm, f/5.6, 30 sec). Raw images processed with Capture One Pro, and the composite generated using Photoshop CC (statistics, maximum) (David J Mathre)

Wednesday (29-July-2015) — New Jersey

Summer Nighttime Sky Over New Jersey.

Nearly Full Moon Sequence. In camera composite of moon images taken with a Nikon D4 camera and 600 mm f/4 VR lens (ISO 100, 600 mm, f/16, 1/60 sec). Images taken every 2 minutes. Raw image processed with Capture One Pro 8, Focus Magic, and Photoshop CC.

It is two nights before the July Full “Blue Moon” but I am not sure that the sky will be clear on that night so I took this sequence early this morning.

Nearly Full Moon Sequence. In camera composite of moon images taken with a Nikon D4 camera and 600 mm f/4 VR lens (ISO 100, 600 mm, f/16, 1/60 sec). Images taken every 2 minutes. Raw image processed with Capture One Pro 8, Focus Magic, and Photoshop CC. (David J Mathre)
Nearly Full Moon Sequence. In camera composite of moon images taken with a Nikon D4 camera and 600 mm f/4 VR lens (ISO 100, 600 mm, f/16, 1/60 sec). Images taken every 2 minutes. Raw image processed with Capture One Pro 8, Focus Magic, and Photoshop CC. (David J Mathre)

One-Year Ago (24-July-2014) — At Sea

Gone to See Europe 2014. Day 54: Semester at Sea, Summer 2014 Semester Voyage. Baltic Sea Approaching Russia.

Time-Lapse Video of Noctilucent Clouds taken from the deck of the MV Explorer while traveling across the Baltic Sea. Images taken with a Nikon Df camera with a 24 mm f/3.5 PC-E lens and a Fuji XT1 camera with a 23 mm f/1.4 lens. Images processed with Capture One Pro, Photoshop CC, Premiere Pro CC, and After Effects CC. I used the warp filter in  After Effects to stabilize the images  taken on the deck of a moving ship.

One-Year Ago (02-July-2014) — Bay of Biscay

Gone to See Europe 2014. Day 32: Semester at Sea, Summer 2014 Semester Voyage. At Sea.

Sunset on the Bay of Biscay from the Deck of the MV Explorer. Semester at Sea, Summer 2014 Semester Voyage. Image taken with a Nikon Df camera and 70-200 mm f/4 VR lens (ISO 100, 200 mm, f/16, 1/60 sec). Raw image processed with Capture One Pro and Photoshop CC.

Sunset on the Bay of Biscay from the Deck of the MV Explorer. Image taken with a Nikon Df camera and 70-200 mm f/4 VR lens (ISO 100, 200 mm, f/16, 1/60 sec). (David J Mathre)
Sunset on the Bay of Biscay from the Deck of the MV Explorer. Image taken with a Nikon Df camera and 70-200 mm f/4 VR lens (ISO 100, 200 mm, f/16, 1/60 sec). (David J Mathre)

Four-Years Ago (15-June-2011) — New Jersey

Backyard Night Sky Over New Jersey.

Late Spring Full Moon. Image taken with a Nikon D3x and 600 mm f/4 VR lens + TC-E III 20 (ISO 100, 1200 mm, f/16, 1/100 sec) on a Gitzo tripod and Wimberley Head. Raw image processed with Capture One Pro, Focus Magic, and Photoshop CS5

Late Spring Full Moon over New Jersey. Image taken with a Nikon D3x and 600 mm f/4 VR lens + TC-E III 20 (ISO 100, 1200 mm, f/16, 1/100 sec) on a Gitzo tripod and Wimberley Head. Raw image processed with Capture One Pro, Focus Magic, and Photoshop CS5 (David J Mathre)
Late Spring Full Moon over New Jersey. Image taken with a Nikon D3x and 600 mm f/4 VR lens + TC-E III 20 (ISO 100, 1200 mm, f/16, 1/100 sec) on a Gitzo tripod and Wimberley Head. Raw image processed with Capture One Pro, Focus Magic, and Photoshop CS5 (David J Mathre)