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Old 09-06-2024, 06:35 PM
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Ryderscope (Rodney)
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Rocky Trails in the Desert

I took time out during my recent trip to the "Red Centre" in the Northern Territory, to capture some star trail images in the night sky above the world famous Uluru. This image is a composite of one image taken at about 6.30pm to capture the sunset on Uluru and another set of images taken (at the same location), at about 10:30pm. The sunset image was a single exposure and for the star trail image I selected 30 minutes of star trails (15 x 2 minutes each). I actually had about 1 hour 45 minutes of star trails but decided to only use the smaller set as the full impact of the concentric star trails was, I felt, a little too over powering for this image. Having pre processed the data in Photoshop I then combined the two images into this composite published here.

Uluru, and the near by Kata Tjuta, has particular cultural significance to the local Arangu peoples in Central Australia. They have lived in the area for over 30,000 years and have strong spiritual ties to country and the local landmarks. It is a privilege to have the opportunity to to visit these sites to both appreciate their natural wonder and share in some of the local Indigenous Australian stories.

Link to image on my FlickR page is here.

Viewing the image is best done at full screen on a desktop computer.


Clear skies,
Rodney
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Last edited by Ryderscope; 16-06-2024 at 10:25 PM.
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Old 18-06-2024, 06:01 PM
Leo.G (Leo)
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So which way is south?
LOL
Unless that's Polaris from so far north.
I wish we had an easily detectable pole star!



Great compilation Rodney!
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Old 18-06-2024, 08:37 PM
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Quote:
Originally Posted by Leo.G View Post
So which way is south?
LOL
Unless that's Polaris from so far north.
I wish we had an easily detectable pole star!



Great compilation Rodney!
Hi Leo,

Agreed that it would be great to have a nice bright star like Polaris to locate the celestial pole but that would make it far too easy to be sure !

And yes, I would be a tad worried if I could see Polaris from NT even if it is quite a way north

CS,
Rodney

Last edited by Ryderscope; 18-06-2024 at 09:21 PM.
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Old 11-07-2024, 12:53 PM
Leo.G (Leo)
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Apparently Polaris isn't a dead accurate alignment anyway for long exposures from what I've read but it has to be easier than my visual "yep, that's south minus a little". With so much rain for so long I have a hole full of water I dug ages ago to put a pier in the yard to have something more accurate than slapping my mount down on pavers set in a sloping yard to give a level and somewhere in the region I have to point the unit.


I was going to ask what camera you are using but noticed the mention of the Canon 60da in your information.
Is that the dedicated astro modified Canon similar to the Nikon D810 (or D800, I can't remember) speciality astro model?
I'd love something like that but finances dictate my D810 I bought used extremely cheap has to be my everything camera with a collection of old lenses (mostly) dating back to my Nikon 35mm I purchased in 91.
One day I'll have money, I've promised myself a big lotto win before I die, possibly the moment I get the call to tell me I've won I'll go into cardiac arrest from shock.
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Old 11-07-2024, 03:20 PM
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Ryderscope (Rodney)
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Quote:
Originally Posted by Leo.G View Post
Apparently Polaris isn't a dead accurate alignment anyway for long exposures from what I've read but it has to be easier than my visual "yep, that's south minus a little". With so much rain for so long I have a hole full of water I dug ages ago to put a pier in the yard to have something more accurate than slapping my mount down on pavers set in a sloping yard to give a level and somewhere in the region I have to point the unit.


I was going to ask what camera you are using but noticed the mention of the Canon 60da in your information.
Is that the dedicated astro modified Canon similar to the Nikon D810 (or D800, I can't remember) speciality astro model?
I'd love something like that but finances dictate my D810 I bought used extremely cheap has to be my everything camera with a collection of old lenses (mostly) dating back to my Nikon 35mm I purchased in 91.
One day I'll have money, I've promised myself a big lotto win before I die, possibly the moment I get the call to tell me I've won I'll go into cardiac arrest from shock.
Yes, the Canon 60Da is the astro modded version of their 60D model. I've had mine for some time now having bought it about 12 years ago. Paired with my Samyang 14mm lens it does a great job for Milky Way and star trail images.
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Old 12-07-2024, 11:34 AM
Leo.G (Leo)
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Ah, I like the Samyang 14mm ED, best lens money could buy when I got mine (my little money I mean).
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