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Monday, July 20, 2020

 

Sky This Week - Thursday July 23 to Thursday July 30

The First Quarter Moon is Monday, July 27. Four bright planets are visible in the morning skies. Venus is in the head of Taurus the Bull below the bright star Aldebaran. Mars is rising before midnight. Jupiter and Saturn are easily visible in the evening sky. Comet C/2020 NEOWISE is visible from the 28th. Southern Delta Aquariid meteor shower on the morning of the 29th.

The First Quarter Moon is Monday, July 27.   The Moon is at perigee, when it is closest to the Earth on the 25th.


Evening sky at 18:57 ACST (90 minutes after sunset) on Saturday, July 25 facing east as seen from Adelaide. Jupiter and Saturn are high above the Eastern horizon.

The insets shows the telescopic views of Jupiter and Saturn at the same scale at this time.



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


Morning sky on Saturday, July 25 showing the eastern sky as seen from Adelaide at 6:18 am ACST (60 minutes before sunrise). Crescent Venus is below the red star Aldebaran, the eye of the Bull, heading towards the tip of the horns of the Bull. The inset shows the telescopic view of Venus at this time. 

Mercury is low to the horizon. below Betelgeuse.

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

Morning sky on Saturday, July 25 showing the whole sky as seen from Adelaide at 5:47 am ACST (90 minutes before sunrise).


Four bright planets are visible stretching west to east. Jupiter, Saturn Mars and Venus. Venus is below the bright star Aldebaran.

Similar views will be seen elsewhere at the equivalent local time (90 minutes before sunrise)  click to embiggen.



Morning sky on Wednesday, July 29 showing the northern sky as seen from Adelaide at 3:00 am ACST after Moonset when the radiant is still high and meteor rates are best. The radiant of the Southern delta Aquariids is shown with a starburst.
The Southern Delta-Aquariids meteor shower runs from 12 July to 23rd August, peaking on Wednesday, July 29. The number of meteors you will see depends on how high the radiant is above the horizon, and how dark your sky is. This shower is fairly faint, with the highest rate of around a meteor every 4 minutes.

Similar views will be seen elsewhere at the equivalent local time.

Evening sky at 18:30 ACST (60 minutes after sunset) on Tuesday, July 28-30 facing north-west as seen from Adelaide.

Comet C/2020 F3 NEOWISE has been entrancing viewers in the northern hemisphere, and from July 28 we get to see it. Sadly by the time it enters our skies, it will have faded to possibly magnitude 4, around as bright as epsilon Crucis (the fifth brightest star in the Southern Cross). It will be difficult to make out in the twilight and may require binoculars to see. It will look like a fuzzy dot and a small tail might be visible if we are lucky. The chart shows the position of NEOWISE on the 28th (lower circle) and 30th (upper).

Similar views will be seen elsewhere in Australia at the equivalent local time (60 minutes after sunset), click to embiggen.


Four bright planets grace the morning sky (Five, although Mercury is hard to see).


Pluto Neptune and Uranus are also part of this line-up, but unable to be seen with the unaided eye.

Mercury is difficult to see low in the morning twilight.

Venus is below the bright red Aldebaran (the eye of the Bull). Venus is heading towards the tip of the horns of the Bull.

 Mars is visible high in the morning sky to the north, east of Jupiter and Saturn. It enters the evening sky shortly before midnight but is still low to the horizon.
 
Jupiter is lowering in the morning sky and now can be readily seen in the early evening sky. Jupiter and Saturn stay around a hand-span apart during the week. Jupiter was at opposition, when it was biggest and brightest as seen from Earth, on the 14th, but is still an excellent sight.

Saturn is also lowering in the morning sky near Jupiter drawing away from Mars. It too is now visible in the early evening skies. Saturn was at opposition, when it was biggest and brightest as seen from Earth, on the 21st, but is still an excellent sight.

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




Star Map via Virtual sky. Use your mouse to scroll around and press 8 when your pointer is in the map to set to current time.

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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Comments:
Hi, yesterday (day 28/07) até 23:00 i saw a star pra something else Brighting up and fading out on seconds and i was curious if someone cOuLd explain me what ir is (i live in Portugal and was looking south) and sorry for any bad english
 
Sorry about the auto corrector and i also have a video ir someone is interested (this most likely is something normal but i never saw anything like that)
 
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