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The sky in the North Flinders was unbelievably clear. I have never seen the Milky Way visible all the way down to the horizon before. To be fair, the horizon was probably 5 degrees above horizontal, but that is still very low.
I believe that the section of sky shown corresponds to the "Dark Emu" of aboriginal lore....
Such a beautifully coloured parrot, usually seen in pairs, chattering as they fly from tree to tree. The female is a much drabber colour than her mate. Common throughout the Northern Flinders Ranges. This was photographed at
Arkaroola. 28cm
We have just returned from a dream holiday in South Australia and I thought I’d kick this new series off with some highlights of the Flinders Ranges. This photo is of a pioneer cottage located in Arkaroola, approximately 700 kilometers north of Adelaide city centre in the northern Flinders Ranges.
In 2011, the South Australian premier Mike Rann announced a ban on mining and secured its nomination for World Heritage listing.
Arkaroola, South Australia
September, 2023
sunrise at the mouth of the yudnamutana gorge
arkaroola wilderness sanctuary, far northern flinders ranges, south australia
Suggest looking with magnifying glass for all its wispy detail.
Captured 1 December 2021
C14 @ f/2 + ASI6200mc
24 x 5 seconds of live stacking
Cropped to 174 x 116 arc-minutes
The planes have finished flying today, the evening light glows in the West,
Arkaroola, Northern Flinders Ranges, South Australia.
On the east side of the remote village of Arkaroola in the Northern Flinders Ranges in South Australia there is a beautiful walk up to the summit of Acacia Ridge. This spot overlooks this geologically rich wilderness to the east and is not commonly photographed at sunrise. 24mm, iso 100, f16 and 15 seconds using 6 stop nd filter and a reverse grad filter.
sunrise at the mouth of the yudnamutana gorge
arkaroola wilderness sanctuary, far northern flinders ranges, south australia
(my 108th photo to make ‘explore’)
Visually this view reminded me of a placenta and fetus- symbolic of life on the islands in a sea of salt.
Aerial flight with Doug Sprigg from Arkaroola Wilderness Sanctuary
Gammon Ranges near Arkaroola SA
- I took this one a few years ago when I was fit enough to be walking around those hills. Brought back a few terrific memories of wandering around that 'wilderness'
Night sky at the wonderful Arkaroola Wilderness Sanctuary, Australia.
The foreground is well lit by the moon so I was surprised to get the Milky Way to stand out so clearly.
"Located 600km north of Adelaide in the ruggedly spectacular northern Flinders Ranges, this 610sq km multi award-winning Wilderness Sanctuary was founded by the Sprigg family in 1968 and continues to operate to this day with a strong emphasis on science, education and conservation to enable us, as custodians, to preserve this priceless and unique wilderness and its inhabitants into the future."
An apparent size comparison between the Moon and globular cluster Omega Centauri. Of course, Omega Centauri is about 15,790 light years away and the Moon is only about 400,000 kms or 1.3 light seconds away. Omega Centauri is actually about 172 light years across and the Moon is only 3,474 kms or 0.012 light seconds across.
Both photos were taken with the same telescope in the Arkaroola Imaging Observatory and cropped the same amount vertically, but obviously with different exposures: 1.3 milliseconds for the Moon and 50 seconds for Omega Centauri.
sunrise at the mouth of the yudnamutana gorge, arkaroola wilderness sanctuary
(my 112th photo to make ‘explore’)
Near Arkaroola.. They say that if you are not a geologist before visiting the Flinders Ranges, you will become one there....
Panoramic image created with 10 images. This is looking north in to the Arkaroola Wilderness region of Outback South Australia, possibly from Sillers Lookout.
view to freeling heights, on the westernmost rim of the mawson plateaui, from sillers lookout, the terminus of the famous ridgetop tour 4WD trek
arkaroola wilderness protection area, northern flinders ranges, south australia
(my 110th photo to make explore)
After an early start, we got ready for the Ridge Top Tour which in my opinion is a must for anyone visiting Arkaroola. The resort’s specially modified 4WD vehicles feature open sides which facilitates visitors abilities to take photographs of the 1600+ million year old landscape.
Apart from a short distance from the start, this track is not accessible to the public, and probably for good reason given the rather narrow tracks and sheer drops on either side!
The whole journey was breathtakingly spectacular. Along the way, a running commentary was provided on Arkaroola’s past uranium mining history, its geology as well as the areas native fauna and flora.
Arkaroola, South Australia
September, 2023
Captured 18 July @ 9:39pm during an astronomy tour with a single 5 second exposure.
I asked the internet for an explanation, and the following is what I was rewarded with by Chris Morley:
"I reckon that it is flight QF940, Perth – Brisbane, a Boeing 787 Dreamliner at 41,000 feet with a ground speed of 608 knots (=1126 kph so obviously a good tail wind). It crossed the 210 deg radial from Arkaroola Village (roughly the direction of Eta Car) at 12:10:07 UTC which equates to 21:40:07 local SA time. Some rough scaling off the map gives the horizontal distance between the plane and Arkaroola Village as about 27 km, so at a height of 41,000 feet (=12.50 km), the elevation of the aircraft from Arkaroola Village can be calculated, using simple trig, to be about 25 degrees. A quick cross-check on Carte du Ciel shows Eta Car to be at about 26 deg at that time, so for my money - that's verified! The line-of-sight distance to the plane was just a smidge under 30 km. The aircraft's track was 84 deg, so combining that with your azimuth gives an angle of about 39 deg off the 'right angles to your line of sight'. This reduces the plane's speed (as seen from your position) to just 875 kph, which can then be used to calculate how many degrees of sky it would traverse in your exposure time of 5 seconds: I calculate 2.34 degrees which is close to your stated FoV.”
“I like a good challenge and I was a little surprised how easy this actually was and how everything calculated pretty much lined up. It was back-of-the-envelope stuff."
Both emission nebulae are about 5,500 light-years from Earth, which makes them more than just apparent neighbours
Captured with 9 x 5 seconds of live stacking
Inspired (again) by a post by my friend.
My capture 2020-12-09 @ 00:59 using the Arkaroola C11 + ASI183 with 14 x 7 seconds of live stacking.