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.

Five-Years Ago (24-February-2016) — Bay of Bengal

Gone to See the World. Semester at Sea Spring 2016 Voyage on the MV World Odyssey. Day 50: At Sea, Bay of Bengal.


Dawn and Sunrise over the Bay of Bengal. Breakfast Sunrise Club. Individual images in the slideshow are available in my PhotoShelter Gallery.


Food Art — Fruit and Vegetable Carving. Individual images in the slideshow are available in my PhotoShelter Gallery.


Sunset over the Bay of Bengal. Individual images in the slideshow are available in my PhotoShelter Gallery.


Moon rise over the Bay of Bengal. Individual images in the slideshow are available in my PhotoShelter Gallery.


Fritz (Faculity & Life Long Learner Bar. Individual images in the slideshow are available in my PhotoShelter Gallery.

Eleven-Years Ago (24-February-2010) — California

Wintertime in Yosemite National Park.


Yosemite Valley. Individual images in the slideshow are available in my PhotoShelter Gallery.


Yosemite Valley. 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)

Wednesday (09-December-2020) — New Jersey

Autumn Backyard Nature in New Jersey.

Colorful Clouds at Dawn. Full image size (20462 x 7971 pixel).

Colorful Clouds at Dawn. (David J Mathre)
Colorful Clouds at Dawn. Composite of eight images taken with a Leica SL2 camera and 50 mm f/1.4 lens (ISO 400, 50 mm, f/2.8, 1/80 sec). Raw images processed with Capture One Pro, and combined using AutoPano Giga Pro. (David J Mathre)


Colorful Clouds at Dawn split into 4 image. Individual images in the slideshow are available in my PhotoShelter Gallery.

Daily Electric Energy Used (73.3 kWh) from Sense. Daily Solar Electric Energy Produced (9.8 kWh) from Sense and SolSystems. Clouds with some rain. Geothermal HVAC system on. A deficit of 43.0 kWh.