Category: Astronomy

Views of the sun, moon, and stars

Five-Years Ago (30-July-2011) — New Jersey

Backyard Daytime Astronomy.

Sun with Sunspots and Clouds Passing in Front. Image taken with a Nikon D3s camera and Questar 7 inch telescope with solar filter (ISO 200, ~2500 mm, f/16, 1/2000 sec). Raw image processed with Capture One Pro 6, Nik Define 2, and Photoshop CS5.

Sun with Sunspots and Clouds Passing in Front. Image taken with a Nikon D3s and Questar 7 inch telescope with solar filter (ISO 200, ~2500 mm, f/16, 1/2000 sec). Raw image processed with Capture One Pro 6, Nik Define 2, and Photoshop CS5. (David J Mathre)
Sun with Sunspots and Clouds Passing in Front. Image taken with a Nikon D3s camera and Questar 7 inch telescope with solar filter (ISO 200, ~2500 mm, f/16, 1/2000 sec). Raw image processed with Capture One Pro 6, Nik Define 2, and Photoshop CS5. (David J Mathre)

One-Year Ago (29-July-2015) — New Jersey

Summer Nighttime Sky Over New Jersey.

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.

Nearly Full Moon Sequence. (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). (David J Mathre)

Two-Years Ago (24-July-2014) — Baltic Sea

Gone to See Europe 2014. Day 54: Semester at Sea, Summer 2014 Semester Voyage. Baltic Sea on the way to St. Petersburg, Russia.

Ship Passing Under Electric Noctilucent Clouds (NLC’s) on the Baltic Sea from the Deck of the MV Explorer. Image taken with a Fuji X-T1 camera and 23 mm f/1.4 lens (ISO 200, 23 mm, f/1.4, 1 sec). Raw image processed with Capture One Pro, Nik Define, and Photoshop CC 2014.

For more information about NLC’s and their relationship to meteor dust check out  meteorsmoke

Ship Passing Under Electric Noctilucent Clouds on the Baltic Sea from the Deck of the MV/Explorer. Image taken 2 months ago today with a Fuji X-T1 camera and 23 mm f/1.4 lens (ISO 200, 23 mm, f/1.4, 1 sec). Raw image processed with Capture One Pro, Nik Define, and Photoshop CC 2014. (David J Mathre)
Ship Passing Under Electric Noctilucent Clouds on the Baltic Sea from the Deck of the MV Explorer. (David J Mathre)

Five-Years Ago (11-July-2010) — New Jersey

Backyard Nighttime Sky Over New Jersey.

Waxing Gibbous Moon (85%). Summer Night in New Jersey. Image taken with a Nikon D3s camera and 500 mm f/4 VR lens + TC-E III 20 teleconverter (ISO 800, 1000 mm, f/8, 1/200 sec). Raw image processed with Capture One Pro 6, Nik Define 2, and Photoshop CS5.

Waxing Gibbous Moon (85%). Summer Night in New Jersey. Image taken with a Nikon D3s and 500 mm f/4 VR lens + TC-E III 20 teleconverter (ISO 800, 1000 mm, f/8, 1/200 sec). Raw image processed with Capture One Pro 6, Nik Define 2, and Photoshop CS5 (David J Mathre)
Waxing Gibbous Moon (85%). Summer Night in New Jersey. Image taken with a Nikon D3s and 500 mm f/4 VR lens + TC-E III 20 teleconverter (ISO 800, 1000 mm, f/8, 1/200 sec). Raw image processed with Capture One Pro 6, Nik Define 2, and Photoshop CS5 (David J Mathre)

Five-Years Ago (10-July-2010) — New Jersey

Backyard Nighttime Summer Sky Over New Jersey.

Star, Moon, Jet, and Firefly Trails. Composite of 980 images taken with a Nikon D3x camera and 14 mm f/2.8D lens (ISO 200, 14 mm, f/4, 8 sec). Raw images processed using PhotoShop CC and Startrails.exe

Star, Moon, Jet, and Firefly Trails. Summer Night in New Jersey. Image taken with a Nikon D3x and 14 mm f/2.8D lens (ISO 200, 14 mm, f/4, 8 sec). Composite of 980 images combined using the Startrails program. (David J Mathre)
Star, Moon, Jet, and Firefly Trails. Summer Night in New Jersey. Image taken with a Nikon D3x and 14 mm f/2.8D lens (ISO 200, 14 mm, f/4, 8 sec). Composite of 980 images combined using the Startrails program. (David J Mathre)