Blog Profile / Astroblog


URL :http://astroblogger.blogspot.com/
Filed Under:Academics / Astronomy
Posts on Regator:1627
Posts / Week:4.4
Archived Since:March 16, 2008

Blog Post Archive

Aurora Watch (17-18 April)

An Aurora Watch and a geomagnetic alert has been issued by the Australian IPS for the 17th (yes tonight) to the 18th due to a high speed solar wind stream from a coronal hole. Given long lasting effects for the unexpected aurora on the...Show More Summary

My First Image of C/2015 G2 (MASTER) 15 April 2015

New comet C/2015 G2 MASTER, currently around magnitude 9 in the early morning sky. Imaged with iTelescope T9. A median stack of 3x180 second luminance exposures. Click to embiggen.Nice long thin tail.

Venus and the Hyades

Venus and the Hyades on 12 April 2015. The Pleiades are hidden by cloud. Stack of 10x15 second exposures 400 ISO with my Canon IXUS. Click to embiggen. Venus and the Hyades on 15 April 2015. The Pleiades are still hidden by cloud. Stack of 10x15 second exposures 400 ISO with my Canon IXUS. Show More Summary

Aurora Happening NOW! (11:28 PM 15 April)

Unaided eye aurora are being reported from Tasmania NOW, despite cloud. Kp is 4, Bz North but impressive glows and beams are being reported. Go out and look NOW!Dark sky sites have the best chance of seeing anything, and always allow around 5 minutes for your eyes to become dark adapted.As always look to the south for shifting red/green glows. Show More Summary

The Sky This Week - Thursday April 16 to Thursday April 23

This is Global Astronomy Month. The New Moon is Sunday April 19. Venus is prominent in the twilight evening sky. The crescent Moon, Venus and the red star Aldebaran form a triangle in the evening sky. Mars is lost in the twilight. Jupiter is the brightest object in the evening sky once Venus has set. Show More Summary

Aurora Alert NOW (11 April)

An aurora alert has been issued by the Australian IPS for high latitudes, some reports of green glows from Tasmania, and a report of aurora from Dunedin NZDark sky sites have the best chance of seeing anything, and always allow around...Show More Summary

Two Bright Planets, Two Clusters (11 April, 2015)

Evening sky on Saturday April 11 looking west as seen from Adelaide at 19:00 (7:00 pm) ACST in South Australia. Venus is obvious in the early evening sky and is close to the Pleiades. Similar views will be seen elsewhere at the equivalent local time (click to embiggen). Show More Summary

Geomagnetic storm happening NOW (10 April)

The coronal mass ejection hit in daylight, but a class 2 geomagnetic is still going on. At the moment the Kp is 4 Australia wide and 5 in Hobart. However the Bz is North, so this may not produce significant aurora.Camera only colour has been reported in Tasmania. Show More Summary

Aurora Watch (9-10 April)

An Aurora Watch and a geomagnetic alert has been issued by the Australian IPS for the 9th (yes tonight) to the 10th due to an anticipated Coronal Mass Ejection impact combined with a high speed solar wind stream from a coronal hole. Late on the 9th seems the most likely time (although that might be in the early morning of the 10th). Show More Summary

The Sky This Week - Thursday April 9 to Thursday April 16

This is Global Astronomy Month. The Last Quarter Moon is Sunday April 12. Venus is prominent in the twilight evening sky and comes close to the Pleiades cluster. Mars is lost in the twilight. Jupiter is the brightest object in the evening sky once Venus has set. Show More Summary

Peeking at a Short Lunar Eclipse Through the Cloud.

Moon at 20:35 ACDST, as seen from Largs North, Adelaide. A faint penumbral darkening can be seen at the left. 20:41 ACDST, the clouds are moving in. 21:46 A break in the clouds reveals a substantially eclipsed Moon 21:47, a different exposure to reveal clouds and earthglow. Show More Summary

Nova Sagittarii 2015 (No. 2) is Bright Again!

Nova Sagittarii 2015 No. 2 in the lid of the teapot of Sagittarius. This is a stack of 10x15 second exposures, ASA 400, 3x Zoom with my Canon IXUS, taken on 4 April at 6:20 am, click to embiggen 24 March, stack of 8 images, same conditions a the 4th ecept taken at at 5:10 am, click to embiggen. Show More Summary

Live Webcasts of Tonights Lunar Eclipse (4 April, 2015)

Simulation in Stellarium of the partially Eclipsed Moon as seen from Adelaide on 4 April at 10:00 pm ACDST. Totality is not far off.Click to embiggen. If you are clouded out of tonights lunar eclipse, there are some live webcasts for...Show More Summary

Southern Skywatch April, 2015 edition is now out!

North-Eastern horizon as seen from Adelaide on 4 April at 10:24 pm ACDST. The total eclipse has just begun. Click to embiggenThe April edition of Southern Skywatch is now up.This month has lots planetary action with Venus, Jupiter and...Show More Summary

I'm on the Radio 7:10 am this Saturday April 4, 2015

North-Eastern horizon as seen from Adelaide on 4 April at 10:24 pm ACDST. The total eclipse has just begun. Click to embiggen On the morning of Saturday April 4 January I'll be on ABC local radio (Adelaide 891 AM) with Ashley Walsh, going live around 7:10 am ACDST (7:40 AEDST, 6:40 AEST). Show More Summary

Don't Forget - Easter Total Lunar Eclipse April 4, 2015

Simulation in Stellarium of the partially Eclipsed Moon as seen from Adelaide on 4 April at 10:00 pm ACDST. Totality is not far off. Click to embiggen. There is a total lunar eclipse during the Full Moon on Easter Saturday, April 4.Show More Summary

The Sky This Week - Thursday April 2 to Thursday April 9

This is Global Astronomy Month. The Full Moon is Saturday April 4, there is a total lunar eclipse at this time. Venus is prominent in the twilight evening sky. Mars is lost in the twilight. Jupiter is the brightest object in the evening sky once Venus has set. Show More Summary

Nova Sagittarii 2015 No. 2 Rebrightens (a bit)

Nova Sagittarii 2015 No. 2 in the lid of the teapot of Sagittarius. This is a stack of 10x15 second exposures, ASA 400, 3x Zoom with my Canon IXUS, taken on 21 March at 5:10 am, click to embiggen 24 March, stack of 8 images, same conditions a the 21st. Show More Summary

Aurora Watch (28-30 March)

Still another Aurora Watch issued by the Australian IPS for the 28th (yes tonight) to the 30th due to increased solar wind speed from a Coronal Hole. The 29th seems the most likely time (although that might be in the early morning of the 29th). Show More Summary

Total Lunar Eclipse, April 4, 2015

Eastern horizon as seen from Sydney on 4 April at 9:15 pm AEDST. The eclipse is just about to begin. Click to embiggen Eastern horizon as seen from Adelaide on 4 April at 8:45 pm ACDST. The eclipse is just starting. Click to embiggen Eastern horizon as seen from Perth on 4 April at 6:15 pm AWST. Show More Summary

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