The Southern African Catholic Bishops’ Conference has called on all parishes and the faithful to support The Southern Cross. Using the pointer method, how do u know where to go perpendicular from the line created through the pointers? You’ll still be lost, but at least you’ll know where south is! The Southern Cross is not circumpolar in South Africa except the southern tip. I hope that this clarifies things for you. The distance from Acrux to the South Celestial Pole is four and a half times the length of the Southern Cross and not three and a half as stated above. The S celestial pole is at the end of the tail. The initial idea was to distribute Australian manufactured products in South Africa. around the south celestial pole. This panoramic 15-day sojourn winds its way across Southern Africa from the Indian Ocean in the east to the Atlantic … Read More. Otherwise, thank you. The Strasburg Clock model has been one of the most popular exhibits at Powerhouse Museum for over 100 years. Regarding the method described above, the angular distance from Acrux, the closest star of the Cross to the south celestial pole, is 26°50′ and the distance between Acrux and Gacrux, the star of the Cross furthest from the pole, is 5°59′. Hello Jim. Even from the far north of the continent it is only missing for a few hours of the day. Copyright 2021 Leaf Group Ltd. / Leaf Group Media, All Rights Reserved. b. Southern Cross View Gallery. One technique they used to find, say, a small island, was to sail to the correct latitude and then guess whether the island was to their east or west and sail along the latitude until they hit the island. Interestingly, the Southern Cross has been depicted on the flags of several different antipodean countries. Thanks Anthony. Does the method I described return the “exact value” or is there some other method? The South African Red Cross Society. > this is also the way I was taught in the navy. Having said that, this method for me when practiced just now using the stars, seems to give me a South line that is further east of the Scout method (which utilises the Pointers). In the N we can use Cassiopia which is opposite the dipper. I would have thought that the diagram in the post would make it clear. From “museumvictoria.com.au”……. Aboriginal and Torres Strait Islander peoples are advised that the MAAS website contains a range of material which may be culturally sensitive including records of people who may have passed away. If you don't know which direction you are facing, slowly scan the horizon in a circle from your position in the winter, or scan points high in the sky in the summer. This method also marries up with the Scout method in finding the South Celestial Pole. are we moving in the galaxy or why has it changed. Find southern cross for sale on bidorbuy. Thank you for letting people know how to use the southern cross to find south. He has been published on Men's News Daily and Free Republic. Being privileged to be caretakers and wardens at the EyreBird Observatory in the old telegraph station at Eyre back in 2006, observations when the Southern Cross turns over about the south celestial pole still prove to be correct in finding South. Mmapadi 2. Is there something opposite the cross in the S hemisphere? Could someone clarify that? Discover Kings Cinema, an art deco cinema in the style of the 1930s installed at Powerhouse Museum. Shop online at fixed prices or bid on auctions. Southern Cross is a diversified manufacturing company based in Bloemfontein, South Africa. — how do you estimate 4.5x the length of the Southern Cross? Go to bidorbuy and discover online shopping at its best! Of course, if the navigator knew from a star catalogue how many degrees the observed star was from the SCP then only one observation was necessary. As a frame of reference, the pointer stars in Ursa Major (Merak and Dubhe) are only five degrees apart. So you might want to visit a local observatory (Perth Observatory) or a local amateur astronomy club/society. cheers. Phil, It’s 4.5 times if you start from the brightest star (the closest one to the pole) of the Cross. If you have any questions regarding one of our products or need more information concerning a specific service or product, please do not hesitate to contact us … Offering care means being a companion, not a superior. C This article has been rated as C-Class on the project's quality scale. Lesley asks how do you find north using the Southern Cross? As you say, the pole is 4 1/2 times the length of the cross away from it, and I find an easy way is to look for the Small Magellan Cloud (if you can see it) and find the point half way between it and the Cross. It is worth practicing this from your backyard as such knowledge will be most helpful if you are ever lost in the bush! Four and a half times the length of the major axis of the Cross is a better approximation to the exact value than four times. If you don't see the pointer stars, you are looking at the False Cross. Lived in the outback from 1982 to mid 1986. Where that line meets the line formed by the two most widely separated stars in the Southern Cross is the south point in the sky (the South Celestial Pole). Regarding the other method that you mention involving the perpendicular bisector of the two pointer stars, please see the later blog post http://www.sydneyobservatory.com.au/2013/finding-south-using-the-southern-cross/. Thanks, I understand how to find south using the Cross at ground level but can you tell me how a 17th century sailor could establish the altitude of the CSP? That’s the way they taught us in Army survival training! The text has been corrected. Where these two “imaginery” lines intersect is South. We are a few short weeks away from welcoming our first guests back to Southern Cross Safaris, in the Eastern Cape South Africa. A wrong guess could be disastrous as they would miss the island and possibly run out of water and fresh food. See past project information for Southern Cross Industries, Hamilton, Bloemfontein including projects, photos, costs, reviews and more. Imagine the Cross is a kite with a tail that extends straight away from the kite and is 4.5 times the length of the kite itself. Hello Peter. You can use the first two (δ Vel and κ Vel) to get within one degree of true south. Still, once you have found the Southern Cross – in August it is leaning on its side in the south-west – in your imagination extend the line between the two furthest apart stars to the left for a distance four and a half times their separation. or whether it is 4.5 times along from the base star. Also, with all the questions about 4 vs 4.5, I thot of a way to discribe the process of finding S just with the cross; a way that might resonate with a lot of folks, especially kids. Hi Guys, Thanks for the info, it really helped when I was teaching ”Space” for Year 8 students, last term. This is in variation with the New Zealand flag which, on its outer part, contains 4 red stars which are consistent with the Southern Cross. I think this is why “The Pointers” are called “The Pointers”. The Southern Cross is South Africa's only national Catholic weekly newspaper. One method was to measure the altitude of a star near the SCP when it was at its highest point and then 12 hours later at its lowest point. Starting in Pretoria, travel across the imposing Drakensberg … In spite of its size, Crux is one of the best known constellations in the southern hemisphere. A grand adventure offering amazing insight into well-known destinations across South Africa. The Southern Cross is not circumpolar in South Africa except the southern tip. ), Repair works and more. Wunnerful! Hello again Michael. Southern Cross Accommodation. Another reason to look for the pointer stars is they keep you from getting confused with another grouping nearby called the False Cross (Delta Velorum, Kappa Velorum, Epsilon Carinae, and Iota Carinae). Thanks. The pointer stars are much brighter and much easier to see. Hello Lukas. Anthony in Malawi 4 step’s is how I was taught to do it. Thank you. They both lie in the same direction. Why are the pointers useful? I still cannot figure out how to find south using the southern cross. October 4, 2019 Love, care and treasure the elderly people in the society. Hence the number of multiples of the angular length of the long axis of the Cross needed to reach the pole is 26°50’/5°59′ = 4.485. Note that 4.5 times the length of the main axis from the Southern Cross to the pole is correct. Then extend the main axis of the Cross from and in the direction of its brightest star by four and a half times its length. Note big difference if covering a few kilometres, but considerable when needing to cover a few hundred. The Southern Cross, in form of 4 large and 1 small star, is situated in the fly half of the Australian flag. Sam, Keep watching it for a few hours and you will see it ‘rotate’ as the Earth spins on its axis. Scratch that, it appears this pic is not to scale and the correct count does not include the cross itself (ie. Imagine a line connecting the Pointers. Luckily, according to my method, south is always south, just to the left of a small tree and in line with my compass bearing. You have now reached the South Celestial Pole – the point about which the Cross and all stars turn in the sky. More recently, I’ve been told that south can be determined more simply by extend the major axis by four times its length & now I read here that the method involves measuring four & a half times the length of the major axis. The confusion here may be that no-one has yet stated whether the 4.5 length includes the actual length of the head and base stars of the cross – plus 3.5 times that length. Charity News. I have known both these ways and always thought they agreed. When using the Pointers to find south, draw a line perpendicular to the line joining the two stars and about halfway between them. There is a discrepancy between the diagram (4 1/2) and the writing 3 1/2. My back door in Malawi faces south, and I watch the strange rotations of the Southern Cross every night. But “south” is parallel to the ground and “south celestial pole” is up in the sky. Yes, that is an excellent alternative way of finding south. I’ll try to attempt locating the Southern Cross from Moorea. 1 hauled New South Wales' first train and is on permanent display at Powerhouse Museum. Draw an imaginary line through the Southern Cross, as shown above “Extend the line four and a half times the length of the cross. If the pic is to scale, then it would include the cross (and a further 3.5 lengths) as you suggest Phil. On looking at the diagram for the 3 1/2 distance, that does not work out. If you want to see this for yourself, check it out on the Neave planetarium, an on line planetarium you can operate yourself. I’m from wa so I’m so confused. If you’re lost in the bush this method will definitely help you find south. The current editor-in-chief is Günther Simmermacher. Thank you A and nam95 for pointing out the discrepancy. Draw an imaginary line through the two Pointers The Southern Cross (South Africa) is within the scope of WikiProject Catholicism, an attempt to better organize and improve the quality of information in articles related to the Catholic Church.For more information, visit the project page. Diagrammatic error? 4. Southern Cross Industries is a diversified manufacturing company. This is pretty close to spot-on. However, there is a useful celestial marker known as Crux, or the Southern Cross. Jim. Matthew Weeks has been a public policy and technology writer since 2003. Welcome to the digital version of Southern Africa’s Catholic Magazine. It is a constellation that roughly forms the shape of a Christian cross, and whose "vertical piece," so to speak, always points in the general direction of south when followed from its "top" to its "bottom." Your email address will not be published. Required fields are marked *. e. Drop perpendicular as above Not that the False Cross is of no use. They grab your attention. The mean of the two measurements would give the latitude. of South. It is easily recognizable for the cross-shaped asterism, the Southern Cross, formed by its five brightest stars. Looking at the night sky around Woomera South Australia in 1983! a. Nor is it all that bright. Take note of the fact that, depending on the time of the year, the shape they form will not always be an upright kite. Locate south by dropping a vertical line from the South Celestial Pole to the horizon. (Actually, they point just a tad north of Crux, but it is close enough.). Unlike the star known as Polaris in the Northern Hemisphere, there is no polar star indicating south in the night sky of the Southern Hemisphere. On summer evenings (January - March) the Cross is rising in the southeast. Weeks holds a bachelor's degree in political science from the College of New Jersey and a master's degree in public policy from Rutgers. Method 1: Extend the main axis of the Cross from and in the direction of its brightest star by four and a half times its length (the span of the main axis of the Cross is approximately 6° while the distance from its brightest star to the South Celestial Pole is approximately 27°). Since learning that method I’ve been very happy to accept that as a reliable technique & have often praised whatever ancient mariner it was who first worked out that combination of stars from all of the others up there. The first step is to identify the Southern Cross – it is a compact group of bright stars close together in the sky with the two Pointer stars always pointing to them from nearby. I for many years have successfully found South using the “Crux” in the Victorian high country -fortunately not often as my compass was on a cord around my neck-but there have been a few occasions. Hello Robyn. It’s just a point in the sky isn’t it – it’s not like its a star and I believe they needed it to calculate longitude didn’t they? From a light-polluted area you could use the same approach (less accurate) with Canopus and Achernar in place of the Clouds, but you would need a little familiarity with the sky to point the triangle the correct way! Unlike the star known as Polaris in the Northern Hemisphere, there is no polar star indicating south in the night sky of the Southern Hemisphere. d. The point where lines a and c intersect is the South Celestial Pole This leaves me with the following two questions: 1/ The “four” & the “four & a half” methods can’t both be correct – which is it? In place of it you could use the Magellanic Clouds – they form (roughly) an equilateral triangle with the southern celestial pole. It doesn’t matter whether the person we are caring for … As long as you remember that the triangle points away from the bright stars Canopus and Achernar it works. Crux can be found on the national flags … Understanding basic Scout’s and Guide’s way to find your direction by the Stars is easy to verify! Hi! The flag of Samoa has the Southern Cross placed on the upper outer quadrant of the flag. COVID-19 Information (Last updated: January 12, 2021) Country-Specific Information: The South African Ministry of Health has confirmed more than 1,200,000 cases of COVID-19 within its borders. The tail of a kite? The government of South Africa increased the lockdown alert level for South Africa to level 3 on December 29, 2020, which was reinforced on January 11, 2021. Stargazing from Game Reserves in Southern Africa; Anthony Fairall; 2006. After locating the Southern Cross and the 2 pointers – bisect the 2 pointers and where this line intersects the long arm of the Cross itself is the south celestial Pole. Small star, is situated in the sky 2019 Love, care treasure. 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