Blog Profile / Astroblog


URL :http://astroblogger.blogspot.com/
Filed Under:Academics / Astronomy
Posts on Regator:2107
Posts / Week:4.2
Archived Since:March 16, 2008

Blog Post Archive

Seeing Asteroid 7 Iris from Australia (16-20 November, 2017)

The location of asteroid 7 Iris as seen from Adelaide at local midnight (daylight savings time). Similar views will be seen from the rest of Australia at the equivalent local time. (click to embiggen).Asteroid 7 Iris is the 4th brightest asteroid, and one of the main belt asteroids. Show More Summary

Leonid Meteor Shower, November 17-18, 2015

North-eastern horizon at around 4:00 am (daylight saving time, 3:00 am standard time) on the morning of Saturday, November 18 (click to embiggen). The starburst indicates the radiant, the apparent point of origin of the meteors (they...Show More Summary

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

The New Moon is Saturday, November 18. Mercury climbs higher in the evening twilight and forms a line with Antares and Saturn low in the early evening sky. On the 20th Mercury, Saturn and the crescent Moon make a triangle, on the 21st The Moon, Saturn, Mercury and Antares form a line. Show More Summary

A year without Jack

A year ago today, sometime in the early morning, our sonJack died. A year ago, stunned, shocked, uncomprehending we flew out of Adelaide, into Melbourne and a world without Jack. A year on, many tests later we still do not know why he died. Show More Summary

Another good Week for ISS passes, (9 November - 16 November 2017)

The ISS passes below Saturn, as seen from Melbourne on the evening of Sunday 12 November at 22:23 AEST. Simulated in Stellarium (the ISS will actually be a bright dot), click to embiggen. The ISS passes near the tail of Scorpius, as seen from Adelaide on the evening of Sunday 12 November at 22:52 ACST. Show More Summary

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

The Last Quarter Moon is Saturday, November 11. Mercury climbs higher in the evening twilight and meets Antares on the 13th. Saturn is visible in the low in the early evening sky. Venus is now very low in the morning twilight and is close to Jupiter on the 13th. Show More Summary

Aurora Visible NOW! and G1 storm alert (7 November)

Aurora have been reported from multiple sites in Tasmania with beams, and unconfirmed reports of aurora in Bendigo and ACT. There is a current G1 storm alert. This is despite the conditions for aurora being marginal, Velocity: 426 km/sec Bz: -4.0 nT Density = 24.0 p/cc but with dark skies it will be well worth having a look. Show More Summary

Comet 96P/Machholz zooms past the sun

Single image of comet 96P Machholz from the SOHO LASCO C3 instrument on 27 October 2017. Click on any image to embiggen Composte series of images as the comet swung around the sun fro 26-28 October. The gap is where some images were not taken Animation of the same series. Show More Summary

Astrophiz Podcast 46 (Dark Universe edition [cue spooky music]) is Out!

Astrophiz Podcast 46 is out now.This episode we are speaking with Professor Tamara Davis from the University of Queensland. Tamara is a renowned and extensively cited cosmologist who has won numerous prizes for her research. Dr Davis...Show More Summary

Southern Skywatch November 2017 edition is now out!

Evening sky as seen on November 20, 50 minutes after sunset. The crescent Moon is close to Mercury and forms a triangle with Saturn. Similar views will be seen elsewhere in Australia at the equivalent local time. (click to embiggen).The...Show More Summary

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

The Full Moon is Saturday, November 4. Jupiter is lost in the twilight. Mercury climbs higher in the evening twilight and meets delta Scorpii on the 7th. Saturn is visible in the early evening in the heart of the Milky Way. Venus is now very low in the morning twilight while Mars rises higher.The Full Moon is Saturday, November 4. Show More Summary

My images from International Observe the Moon Night (Saturday 28 October, 2017)

Single image, 1/80th second ASA 800, Canon IXUS, infinity to infinity focussing, 10 mm eyepiece on 8" Newtonian with tracking. Click to emgiggen 5 images taken as the first, then stacked in RegiStax 6. Not a marked improvement (click to embiggen). Show More Summary

It's International Observe the Moon Night! (October 28, 2017)

First Quarter Moon as seen from Adelaide looking Northwest at 21:00 ACDST, similar views will be seen for other parts of Australia at the equivalent local time. Click to embiggen.Saturday 28 October is International Observe the Moon Night. Show More Summary

The Sky This Week - Thursday October 26 to Thursday November 2

The First Quarter Moon is Saturday, October 28. Jupiter is lost in the twilight. Mercury climbs higher in the evening twilight. Saturn is visible in the early evening in the heart of the Milky Way. Venus is now very low in the morning twilight while Mars rises higher. Show More Summary

Orionid Meteor Shower, Morning 21-23 October 2017

Morning sky as seen from Adelaide facing north-east at 4:00 am ACDST on 22 October, the Orionid radiant is indicated with a starburst. Similar views will be seen elsewhere in Australia at an equivalent local time. Click to embiggen.The...Show More Summary

The Sky This Week - Thursday October 19 to Thursday October 26

The New Moon is Friday, October 20. Jupiter is lost in the twilight. Mercury returns low in the evening twilight, and is near the Moon on the 21st. Saturn is visible most of the evening in the heart of the Milky Way. Saturn is visited by the Moon on the 24th. Show More Summary

Geomagnetic warning and Aurora Watch (14 October)

The SWS has issued a geomagnetic warning and aurora watch for 14 October (UT) due to expected arrival of a solar wind stream from a coronal hole. This is expected to arrive early in the UT day on the 14th (which is the evening of the 14th Australian time). Show More Summary

Near Earth Object 2012 TC4 Flys by (12 October 2017)

Asteroid 2012 TC4 imaged with iTelescope T20 on 11 October 2017. MAX stack of 8 x 60 second luminance images, stacked in ImageJ. Over enhanced to show the asteroid. Click to embiggen. Animation of all 8 frames, made with ImageJ. CLick to embiggen. Show More Summary

The Sky This Week - Thursday October 12 to Thursday October 19

The Last Quarter Moon is Thursday, October 12. Jupiter is low in the twilight sky. Saturn is visible most of the evening in the heart of the Milky Way. Venus is now very low in the morning twilight and forms a line with the crescent Moon and Mars on the 18th. Show More Summary

Southern Skywatch October 2017 edition is now out!

Morning sky as seen on September 18 half an hour before sunrise. The crescent Moon is close to Venus and forms a triangle with Mars. Similar views will be seen elsewhere in Australia at the equivalent local time. (click to embiggen).The October edition of Southern Skywatch is now up. Show More Summary

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