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With a long intermodal train in tow, CP 8747 races eastward past the 10,600 ft siding at Gap, Alberta. The train has conquered the climbs of Rogers Pass and Kicking Horse Pass, so from here it's all a gentle downgrade along the Bow River to Calgary.
In the distance are the peaks of Mt Lawrence Grassi and Ha Ling Peak, part of Bow Valley Wildland Provincial Park.
CPKC Stack Train
CP ES44AC / DRF-44 #8747
CP AC4400 / DRF-44 #8507
(Mid-Train DPU) CP ES44AC / DRF-44 #8726
Gap, AB
August 26th, 2025
Inukshuk-inspired stack of stones.
Active Assignment Weekly: A bug's view
What it took: Brightness reduced a bit.
Our Daily Challenge: Made of stones
Normally I blend stacked images in Photoshop by using lighten or darken. This time I used the "difference" bending mode with 46 images. This blend resulted in extracting the wave pattern of the high thin cirrocumulus clouds. The texture is almost like a finger print.
Difference:
Looks at the color information in each channel and subtracts either the blend color from the base color or the base color from the blend color, depending on which has the greater brightness value. Blending with white inverts the base color values; blending with black produces no change.
Picture of the Day x 2
30:365 [01/30/2010]
for my friend bats...
the folks at Nestle' are kind enough to provide a high altitude recipe for those of us living on top of the world. without it, our tollhouse cookies just wouldn't be the same.
A stack of 200 images of the wing scales of a butterfly at 40:1 magnification.
Lens: Nikon 40/0.5 ELWD 210/0
I wish everybody all the best for next year. May it be more peaceful than 2017...
EXIF data lost through Photoshop, so here goes:
Nikon D500
AF-S Micro Nikkor 105mm f/2.8 G
f/8
ISO 100
1/500s
Just 3 shots stacked together. Again, not a perfect result, but I'm starting to get there
GoPro raw images stacked (100x4s interval), iso 100. This image was taken over 6.66 minutes. The moon at right trailed more than 3 times its diameter; thus the distortion.
Tis is my first stack in almost 11 months.
Picture of the day
Just playing with some focus-stacked macro shots of plants and flowers here. Incredible amounts of detail in some these - if nothing else, it was fun experimenting bit with these and my home-made backgrounds and window light.
Extreme macro of an ant (Myrmica cf. rubra, Hymenoptera; Latvia, August 2014).
Studio stack of 210 images (steps of 3 µm using StackShot), assembled in Zerene Stacker (Dmap & Pmax). Sony A7R3 + adapter + Canon FD bellows + Rodenstock Apo-Gerogon 240/9 (tube lens) + Mitutoyo planapo 10x; ISO-100, 1/160 sec, 1 diffused flash.
Canon EOS 6D
Mitutoyo M Plan APO 10x 0.28 + Raynox 250
Tiempo exposición: 1,6" - ISO100
Canon Auto Bellows
Stacking
Nº de fotos: 140
Pasos: 14,42 µm
Magnificación aproximada: 7x
This slime mold is one of the most common. So raspberry red I saw him for the first time. The small twig I looked only at the monitor. Is only a small blemish.
Stack with 12 single images.
Orange moss agaric, Orangeroter Heftelnabeling, Omphale épingle.
It's a very small mushroom. Here the specimen is 15mm.
Canon EOS 6D + 100mm macro.
Stack 15 shots.
Obviously not the dart I had a slim hope of getting, but Stagecoach 39691 (KX08 LVM) was photographed all the same, as it makes it`s way along High Stack, Long Buckby, with a D4 service for Daventry.
28th September 2018.
We're Here! : Duck Balancers United
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Strobist: AB1600 with gridded 60 X30 softbox camera right. Reflector camera left. Triggered by Cybersync.
This is the biggest photo I've ever created. It was created by putting together six different frames. A total of "600" photos were taken for this stack panorama. Automated rails are really great for this kind of shooting.
Original Resolution: 12,500 x 6000 pixel
Camera: Canon 6D
Lens: Mitutoyo M Plan Apo 5x
Magnification: 2.5x
Light: 2 x Ikea Jansjö
Focus Stack: 6 x 100 - 600 Shots
Automated Rail: WeMacro (50 um)
Tabletop Setup: flic.kr/s/aHskRJsutG
30 frames stacked in Deep Sky Stacker.
Two hours of waiting to see the final image was a long wait, but it looks like the way I'll do all my moon shots from now on. I should have been stacking all my moon shots.
There's a big movement to stop people from stacking rocks in the wild. They are disruptive of the local ecosystem.
I don't think this restriction extends to little pebble stacks like this one.
Thank you for a nice bokeh/DOF opportunity, anonymous pebble-stacker.
Fall Creek Oregon. Big Fall Creek Road was closed a few miles in. The last pullout before the road closure is probably getting a lot more visits than normal.
I enjoyed our stop there.