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Wednesday, March 20, 2019

 

The Sky This Week - Thursday March 21 to Thursday March 28

The the Full Moon is Thursday 21 March  and the Last Quarter Moon is Thursday, March 28. This Full Moon is also technically a perigee "Supermoon", but not as good as February's Perigee Moon. The Earth is at Autumnal Equinox on the 21st and Adelaide Henge will occur. Mars is visible low in the evening skies and is in binocular range of the Pleiades cluster by the end of the week.  Jupiter enters the evening skies and is close to the Moon on the 28th. The morning skies feature Saturn, bright Venus and Mercury.

The the Full Moon is Thursday 21 March  and the Last Quarter Moon is Thursday, March 28, the Moon is at Perigee, when it is closest to the Earth, on the 20th. The Earth is at Autumnal Equinox on the 21st. Day and night are of equal length and the Sun rises due East and Sets due west (Hence Adelaide Henge).


Morning  sky on Thursday, March 28 looking east as seen from Adelaide at 6:30 ACDST (60 minutes before sunrise). Jupiter (out of view in this images) is high in the morning sky above Saturn, Venus and Mercury. The last quarter Moon is between Jupiter and Saturn. The left upper insert inset shows the telescopic view of Venus at this time and the upper right that of Saturn.


 Similar views will be seen elsewhere in Australia at the equivalent local time (60 minutes before sunrise).

Morning  sky on Thursday, March 28 looking east as seen from Adelaide at 0:15 ACDST (15 minutes after midnight). Jupiter is low above the eastern horizon just above the . The last quarter Moon is between Jupiter and Saturn. The left upper insert inset shows the telescopic view of Jupiter at this time

Similar views will be seen elsewhere in Australia at the equivalent local time .
Evening sky on Thursday, March 28 as seen looking north-west from Adelaide at 20:41 ACDST (90 minutes after sunset). Mars is the brightest object above the western horizon.

The Pleiades and Hyades also grace the north-western sky. Mars comes closer to the Pleiades over the week and is within binocular distance on the 28th.

Similar views will be seen throughout Australia at the equivalent local time (90 minutes after sunset, click to embiggen).


The Earth is at Autumnal Equinox on the 21st. The Sun will rise due east and will set due west and Adelaide Henge will occur. This means that around these dates the setting/rising sun will light up the east-west streets of the Adelaide CBD at sunrise/sunset around the date of equinox. See details here.

Venus is bright in the morning skies below Jupiter and Saturn.

Mercury  climbs out of the twilight and is visible below Venus by the end of the week.

Jupiter  Jupiter is now rising just before midnight in the evening sky, but is low to the horizon and not a good telescope target until the morning. Jupiter is close to the last quarter Moon on the 28th.

Mars moves from Aries to Taurus and is the brightest object in low in the western evening sky. Mars sets around 9:30pm. Mars comes closer to the beautiful Pleiades cluster over the week and is within binocular distance on the 28th.

Saturn is climbs higher in the morning sky. The Last quarter Moon is between Jupiter and Saturn on the 28th.

 Printable PDF maps of the Eastern sky at 10 pm AEDST, Western sky at 10 pm AEDST. For further details and more information on what's up in the sky, see Southern Skywatch.

Cloud cover predictions can be found at SkippySky.

Here is the near-real time satellite view of the clouds (day and night) http://satview.bom.gov.au/

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