Tuesday, February 25, 2020
The Sky This Week - Thursday February 27 to Thursday March 5
The First Quarter Moon is Tuesday, March 3.
Similar views will be seen elsewhere in Australia 60 minutes after sunset, click to embiggen.
Three bright planets are dominating the morning skies. Mars is at its closest to the globular cluster M22 at this time. The inset is the telescopic view through a 24 mm eyepiece of a 4" Newtonian. Jupiter is well above the horizon and Saturn appears below it.
Similar views will be seen elsewhere in Australia at the equivalent local time (90 minutes minutes before sunrise) .
Betelgeuse has been reported to begin brightening again soon, so keep watching this iconic star.
Betelgeuse is a red giant star which forms a distinctive part of the Constellation of Orion. It is a variable star, with small fluctuations in brightness not visible to the casual observer.
Betelgeuse has dimmed substantially and reached a minimum of around magnitude 1.6, but is now brightening again. It is still visibly dimmer than magnitude 1 Aldebaran and roughly as bright as Bellatrix. The next brightest star just to the north of Betelgeuse. Keep an eye on this historic dimming event, observing hints and stars for magnitude estimation are given here. The waxing moon will not interfere with estimates of Betelgeuses' brightness during the week.
Venus is prominent above the western horizon in the early evening sky. Venus is now readily seen up to 90 minutes after sunset.
Mercury is lost in the twilight.
Three bright planets dominate in the morning sky.
Mars is visible high in the morning sky. Mars comes closer to the globular cluster M22 and Jupiter during the week. Mars is closest to M22 on the 29th.
Jupiter climbs higher in the morning sky.
Saturn climbs higher in the morning sky below Jupiter.
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.
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/
Labels: weekly sky