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Home , 47 Tucanae, Antlia, Apus, Canes Venatici, Constellation, Corona Australis

- Southern Birds JULY HuRAE GUIDE Most visible in the northern sky in Dunedin were named by the Greeks and THE SKY TONIGHT Romans about two thousand years ago. These constellations are predominantly tied to and legends that explained how the were Landing Anniversary put in the sky. The constellations in the southern The 20th of July this year marks fifty years sky, however, are not visible in the northern since humans first walked on the moon. hemisphere and so were not seen by Europeans The Apollo 11 mission was manned by three until the 15th and 16th centuries. These astronauts: Neil Armstrong, Buzz Aldrin, and constellations were given more practical names Michael Collins. They flew for four days after related to the journeys of the explorers, rather launch before reaching the moon’s orbit. than being based on any mythological stories. Neil Armstrong and Buzz Aldrin piloted the lunar module to the surface of the moon and In the late , the Dutch embarked on many collected 47.5kg of lunar material before trade voyages around Africa and the . returning to the command module and Navigation on these trips proved to be quite heading home. What’s truly amazing is that this difficult, as there were no accurate maps of the was accomplished with a computer the size of southern . Petrus Plancius was a mapmaker a car, with less processing power than today’s who commissioned a pilot, Pieter Keyser, to pocket calculators. record the position of the stars in the southern skies. Plancius used this information to make We are always looking at the same side of the constellations that explorers may welcome, often moon because it takes the moon the same naming them after the exotic things they would amount of time to rotate on its axis as it does see on their journeys. to orbit around the (27.3 days). However, light from the varies throughout this cycle. , , , and are four of The Apollo 11 lunar module landed in the Plancius’ constellations that are named after birds of Tranquility, an ancient pool of solidified lava and are all visible year round. Phoenix, one of the decorating the moon’s surface. To find the Sea few southern constellations related to a , of Tranquility, where Apollo 11 landed, look will be low on the horizon just east of due south. at the illuminated, eastern side of the moon Apus, the bird of paradise, is due south, below the between 10 and 25 July, you will see two dark bright pointer stars alpha and . Pavo, areas that are touching slightly, almost like the the peacock, is directly east of Apus. And Tucana, segments on a snowman. The upper one is the the Toucan, is directly between Pavo and Phoenix. Sea of Tranquility.

- JULY HuRAE SKY GUIDE

PERPETUAL GUARDIAN Polus Antarcticus from Uranographia by . MOON PHASES JULY 2019 SUN RISE / SUNSET N 10 350 340 20 330 Phase Date 30 Date Rise Set New moon Wednesday 3 July Boötes Monday 1 8.20 am 5.03 pm neb 320 40 1st quarter Tuesday 9 July Monday 15 8.14 am 5.13 pm Minor Wednesday 17 July 310 Full moon 50 Wednesday 30 7.59 am 5.29 pm 3rd quarter Thursday 25 July

300

60 cula Leo

290 70

Altair Pictured on the cover, 47 Tucanae is a in the constellation Tucana. Tucana is 280 only visible in the , so s 80 it wasn’t given a European name until the late 16th century. Petrus Plancius named it Saturn after the Toucan birds he had seen while Pareārau traveling through . 1 July all night Saturn W It is the second brightest globular cluster E 15 July all night in our sky (after ) making it visible to the . When viewed with a 31 July until 6.52am telescope, about 10 thousand stars within this In Sagittarius cluster are visible, though there are millions 260 of stars in 47 Tucanae all together. To find Rigil Kentaurus 100 47 Tucanae, find the Saturn will be in opposition on (SMC), which will be near the southern horizon Australe July 9, being at its brightest and looks like a small faint cloud in the sky

from June 29 to July 22. When a (though it is actually a !). Look just east 250 of the SMC for a slightly fuzzy looking , is in opposition, it means Apus

110 this is 47 Tucanae. that it is directly opposite the Pavo sun, with the Earth in between

Chamaeleon 47 Tucanae them. This makes it a great time 240

Octans to view the planet. 120 quarius Phoenix, Apus, Pavo and Tucana

Canis230 Major

0 13 Tucana

Jupiter 220 Time Guide 140 Hine-i-tīweka This chart is oriented for

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190 Each chart shows the position of stars, 170 In Ophiuchus S constellations, planets, the phase of the moon Copyright © 2019 Heavens-Above.com and the sun for the exact time, date and location of your special event. How to use this chart: Hold the chart up to the sky and rotate it, so the direction you are looking Save 10% on your chart by enjoying a show matches the direction printed on the bottom. For example, if you are looking south, place “S” at the in the Perpetual Guardian Planetarium while lower edge. Stars rise in the east and set in the west like the sun. As the Earth turns, the sky appears you wait! to rotate clockwise around the south . The sky makes a small shift to the west every night, as the Earth rotates around the sun. Place your order at the Museum Shop.