Thirteen-Years Ago (11-April-2008) — Arizona

Springtime Nature in Arizona

Morning walkabout in Page, Arizona: Common Raven, House Finch. The male House Finch seemed to be fighting. My eBird Checklist.


Morning walkabout. Images taken with a Nikon D300 camera and 18-200 mm VR lens. Individual images in the slideshow are available in my PhotoShelter Gallery.

Five-Years Ago (01-March-2016) — India

Gone to See the World. Semester at Sea Spring 2016 Voyage on the MV World Odyssey. Day 56: Palaces and Princes Field Trip. Agra Fort and Oberoi Amarvilas, Agra, Agra County, Uttar Pradesh, India.

Agra Fort and Oberoi Amarvilas: Rock Pigeon (Feral Pigeon). My eBird Checklist.


Agra Fort and Oberoi Amarvilas. Individual images in the slideshow are available in my PhotoShelter Gallery.

Thirteen-Years Ago (25-February-2008) — Colorado

Photography in the Southwest.

Road Scholar (formerly known as Elderhostel) Workshop Day 1: Kelly Place B&B/Retreat Center.


Morning walkabout at Kelly Place. Sleeping Ute mountain, Window, Kiva entrance, Juniper berries, and Old tree. Individual images in the slideshow are available in my PhotoShelter Gallery.

Star Trails. (David J Mathre)
Winter night sky looking north at Kelly Place near Cortez, Colorado. Image taken with a Nikon D3 camera and 16 mm f/2.8 fisheye lens (ISO 200, 16 mm, f/2.8, 150 min). Composite of five 30 min exposures. Raw images processed with Capture One Pro, DxO, and PhotoShop CC. (David J Mathre)


Winter night sky star trails looking north at Kelly Place near Cortez, Colorado. Image taken with a Nikon D3 camera and 16 mm f/2.8 fisheye lens (ISO 200, 16 mm, f/2.8, 30 min). Raw image processed with Capture One Pro and DxO. Individual images in the slideshow are available in my PhotoShelter Gallery.

Thirteen-Years Ago (24-February-2008) — Colorado

Wintertime in Mesa Verde National Park.

Winter panorama in Colorado from Mesa Verde National Park. Image taken with a Nikon D3 camera and 14-24 mm f/2.8 lens (ISO 200, 14 mm, f/11, 1/1250 sec). (David J Mathre)
Winter panorama in Colorado from Mesa Verde National Park. Image taken with a Nikon D3 camera and 14-24 mm f/2.8 lens (ISO 200, 14 mm, f/11, 1/1250 sec). (David J Mathre)
Spruce Tree House cliff dwelling in the winter. Mesa Verde National Park. Image taken with a Nikon D300 camera and 18-300 mm VR lens (ISO 360, 50 mm, f/8. 1/250 sec). (David J Mathre)
Spruce Tree House cliff dwelling in the winter. Mesa Verde National Park. Image taken with a Nikon D300 camera and 18-300 mm VR lens (ISO 360, 50 mm, f/8. 1/250 sec). (David J Mathre)
Spruce Tree House cliff dwelling in the winter.
Spruce Tree House cliff dwelling in the winter. Mesa Verde National Park. Image taken with a Nikon D300 camera and 18-300 mm VR lens (ISO 560, 31 mm, f/8. 1/250 sec). (David J Mathre)
Window in a window at Spruce Tree House
Window in a window at Spruce Tree House cliff dwelling. Mesa Verde National Park. Image taken with a Nikon D3 camera and 80 mm VR lens (ISO 720, 42 mm, f/8. 1/250 sec). (David J Mathre)
Stone Grain Grinding Tool. (David J Mathre)
Stone Grain Grinding Tool. Mesa Verde National Park. Image taken with a Nikon D300 and 18-200 VR lens (ISO 200, 135 mm, f/11, 1/250 sec). (David J Mathre)
Mesa Verde National Park winter panorama. Composite of 10 images taken with a Nikon D3 camera and 80-400 mm VR lens (ISO 200, 80 mm, f/4.5, 1/200 sec). Raw images processed with Capture One Pro and the composite generated using AutoPano Giga Pro. (David J Mathre)
Mesa Verde National Park winter panorama. Composite of 10 images taken with a Nikon D3 camera and 80-400 mm VR lens (ISO 200, 80 mm, f/4.5, 1/200 sec). Raw images processed with Capture One Pro and the composite generated using AutoPano Giga Pro. (David J Mathre)


The individual images used to create the above Mesa Verde National Park winter panorama. They are available in my PhotoShelter Gallery.

Square Tower House cliff dwelling. Mesa Verde National Park. Image taken with a Nikon D3 camera and 80-400 mm VR lens (ISO 200, 80 mm, f/4.5. 1/200 sec). (David J Mathre)
Square Tower House cliff dwelling. Mesa Verde National Park. Image taken with a Nikon D3 camera and 80-400 mm VR lens (ISO 200, 80 mm, f/4.5. 1/200 sec). (David J Mathre)
Cliff Palace in the winter. Mesa Verde National Park. Image taken with a Nikon D3 camera and 80-400 mm VR lens (ISO 200, 270 mm, f/5.3, 1/80 sec). (David J Mathre)
Cliff Palace in the winter. Mesa Verde National Park. Image taken with a Nikon D3 camera and 80-400 mm VR lens (ISO 200, 270 mm, f/5.3, 1/80 sec). (David J Mathre)
Icicles. (David J Mathre)
Icicles. Mesa Verde National Park. Image taken with a Nikon D300 and 70-200 mm f/2.8 VR lens (ISO 200, 135 mm, f/5, 1/160 sec). (David J Mathre)

Four-Years Ago (20-October-2020) — New Jersey

Autumn Backyard

Little Planet view of the backyard. Patio construction in progress. Note the solar panels.

Backyard. (David J Mathre)
Little Planet view of the backyard. Composite of 36 images taken with a Nikon D800 camera. Raw images processed with Capture One Pro and stitched together with AutoPano Giga. (David J Mathre)
Daily Electric Energy Used (43.7 kWh) from Sense. Daily Solar Electric Energy Produced (18.9 kWh) from Sense and SolSystems. Clouds and rain. A deficit of 24.8 kWh.