Star-tracking camera mount: Why it works and how to build one
In this video, I explain (using a bunch of timelapses) why "polar tracker" or "star tracker" camera mounts allow you to take long exposures of the sky without streaking. I also show off my polar tracking rig, which is my most recent piece of homebuilt photography equiment. It uses a door hinge and a curved lead screw to slowly rotate the camera (approximately 0.25 degrees per minute) and eliminate streaking in astrophotogrphy images.
Based on the design by Gary Seronik:
http://garyseronik.com/build-a-hinge-tracker-for-astrophotography/
My parts:
Motor: https://www.amazon.com/gp/product/B00B1KXV3Q/ref=oh_aui_search_detailpage?ie=UTF8&psc=1
Gears: https://www.amazon.com/gp/product/B00EPQMFWQ/ref=oh_aui_search_detailpage?ie=UTF8&psc=1
Battery: https://www.amazon.com/gp/product/B009USAJCC/ref=oh_aui_search_detailpage?ie=UTF8&psc=1
lead screw: #8 threaded rod from Home Depot
Hinge: 8"x8" strap hinge from Home Depot
Controller: LM317 configured as voltage source
Any USB battery will work - this is just the one I have for my phone.
If I re-built the design now I would probably print or lasercut the two necessary gears to save money and have more customizability.
Music in this video:
I dunno by grapes, is licensed under a Creative Commons: Attribution License (https://creativecommons.org/licenses/by/4.0/)
Source: http://ccmixter.org/files/grapes/16626
Видео Star-tracking camera mount: Why it works and how to build one канала AlphaPhoenix
Based on the design by Gary Seronik:
http://garyseronik.com/build-a-hinge-tracker-for-astrophotography/
My parts:
Motor: https://www.amazon.com/gp/product/B00B1KXV3Q/ref=oh_aui_search_detailpage?ie=UTF8&psc=1
Gears: https://www.amazon.com/gp/product/B00EPQMFWQ/ref=oh_aui_search_detailpage?ie=UTF8&psc=1
Battery: https://www.amazon.com/gp/product/B009USAJCC/ref=oh_aui_search_detailpage?ie=UTF8&psc=1
lead screw: #8 threaded rod from Home Depot
Hinge: 8"x8" strap hinge from Home Depot
Controller: LM317 configured as voltage source
Any USB battery will work - this is just the one I have for my phone.
If I re-built the design now I would probably print or lasercut the two necessary gears to save money and have more customizability.
Music in this video:
I dunno by grapes, is licensed under a Creative Commons: Attribution License (https://creativecommons.org/licenses/by/4.0/)
Source: http://ccmixter.org/files/grapes/16626
Видео Star-tracking camera mount: Why it works and how to build one канала AlphaPhoenix
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