Sunset #11

Cruise Ship departs San Francisco during incredible sunset

Sunset around the Farallon Islands off the coast of San Francisco. Shot at 500mm, 4k 60fps timelapse. A very bright cruise ship sneaks past near the end.

(Related: Ship Entering San Francisco Bay; San Francisco Shoreline Timelapse; Farallones)

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Time Lapse Settings for GVM GR-80QD and GR-120QD Motorized Sliders

Updated on Monday, August 29, 2022

Time Lapse Settings for GVM GR-80QD and GR-120QD Motorized Sliders

I've been experimenting with a four-foot Great Video Maker GR-120QD slider for timelapse photography. So far I'm impressed with the quality for a relatively cheap device but the controller is a little hard to understand. There are various YouTube videos that explain this at length but I find a quick written explanation more helpful (and as much as anything, this post is for me to refer back to quickly!). These instructions will also work for the three-foot GR-80QD.

The first thing to understand is that you need to recalibrate the device every time you power it on. It's a bit of pain but fast once you get the hang of the Konami Cheat Code style UI. Go to settings, Set Start and then hit the left button to start moving. When you get to the desired start point press the center button to stop the slider, long press the center button to save it and then long press again to up a level in the menu. Do the same for the end point at the right side of the slider. More long presses to get back up to the top menu.

Now the fun part. For timelapse you have Interval, Time-lapse, Stop Time, Photo and Auto Loop and the user guide is silent on what any of those might do.

When shooting a timelapse the slider is going to move, stop for a bit and shoot and then move again.

Stop Time is the total amount of time that the slider stops for each shot (seconds).

Time-lapse is the number of seconds to wait after stopping before the shot is taken. This allows the camera a chance to stabilize after being moved along the slider before a shot is taken. The system enforces at least 0.2 seconds but you probably want this a bit longer.

Shutter time is in the hands of the camera.

So if you have a 1 second shutter speed and want to shoot every 4 seconds you would set Stop Time to 4 and time-lapse to something like 1. The slider will then move, wait 1 second, trigger the shutter, wait 3 seconds (the remainder of the 4 second Stop Time) and will then move again.

If Auto Loop is set to No then the system will stop shooting when it reaches the end of the slider, so you can set Photo to a large number and not worry about it. If Yes the camera will go back and forth until it hits the count of photos in the Photo setting.

The last thing to worry about is how far the slider moves between shots. This is a combination of Interval and the slider speed, which you set when you start the time lapse. The minimum interval is 0.1 - I haven't tried anything else. At 70% speed this takes about 45 mins (based on the 4 second stop time) and shoots almost 700 photos which for me is a pretty decent sequence. This part is not a science so you'll need to experiment to get the result you're looking for.

When the settings all look good, hit the center button and you will go to the time lapse screen. Adjust the speed with the up and down arrows and then hit the right or left button to start shooting in that direction.

Updated 2022-08-29 17:43:

Here is some test footage at 60% speed and 0.1 interval. The video starts siding to the left (camera pans to right) at 1/1000s shutter. The last section reverses direction and has a 1s shutter with an ND3 filter to check for any shake. Both sections are shooting every 4 seconds with a 1 second 'Time-lapse' (or stabilization time) setting.

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Sunset #10

Sunset #10

Sunset from Harlech Beach in Wales, UK. A time lapse video.

(Related: Sunset sunset; Sunset sunset 4k; Sunset #8)

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Snowdonia Milky Way Time Lapse

Snowdonia Milky Way Time Lapse

Completing a Llanbedr trilogy, a 4k timelapse of the Milky Way near Snowdonia National Park in Wales.

Snowdonia has a great reputation for dark skies. Unfortunately I'm only here around a full (super!) moon and in July when it's only dark for about 2 minutes. Given all that, some pretty impressive views after the moon sets. Shot over three nights on an A7C with the 20mm 1.8 G. Post processed in LRTimelapse and Lightroom.

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Waterloo Sunsets

Waterloo Sunsets

Timelapse of three sunsets over Waterloo Station in London. Shot over Pride Weekend 2022 - you can see a huge rainbow flag on one building and if you look closely the rainbow flashing in sequence on One Canada Square in Canary Wharf. Good views of the Shard and Boomerang and the best part of the Walkie Talkie.

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Stars over Casini Ranch, a Timelapse

Stars over Casini Ranch, a Timelapse

Timelapse of stars over Casini Ranch, a campground near Duncan Mills in Sonoma, California. Shot over two nights looking north-east and then south-west from the bank of the Russian River.

(Related: Stars over Lake Tahoe; Sugarloaf Stars and Milky Way; Milky Way and stars over Redding)

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Bangalore Sunsets

Bangalore Sunsets

Three stormy sunsets in Bangalore. Shot between May 8 and 14, 2022 from the Shangri-La Hotel.

(Related: Bangalore Timelapse; More Bangalore; Waterloo Sunsets)

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Daily Average Global Cloud Cover Animation

Daily Average Global Cloud Cover Animation

nobody:

me: What if I used a year of global cloud cover images to make an animation where each frame is the average of the past 24 hours?

The animation covers August 2020 to August 2021. See this video for a version without the averaging (and with the Earth's surface).

The averaged version shows some interesting cycles better than the frenetic pace of hourly cloud cover. In my area you can really see the high pressure off the coast of California that sends any rain off to our friends in Seattle.

Images are from the University of Wisconsin-Madison Space Science and Engineering Center, specifically the Global IR product, transformed as described here.

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TLOTW #7

TLOTW #7

Shots are: north to Mount Tamalpais from Golden Gate Heights park, south-west from Grand View Park, north from Grand View, south from Grand View, north again from Grand View and finally east from Grand View (if you look closely something is being hauled up Sutro Tower).

(Related: TLOTW #5; Golden Gate Park from Grand View Park; Grand View of Fog)

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TLOTW #6

TLOTW #6

South from Golden Gate Heights Park, a dead tree full of cormorants at Lake Merced, downtown and the Golden Gate from Grand View Park.

(Related: Golden Gate Park; TLOTW #5; Golden Gate Park from Grand View Park)

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