Blog Profile / Astroblog


URL :http://astroblogger.blogspot.com/
Filed Under:Academics / Astronomy
Posts on Regator:2813
Posts / Week:7.7
Archived Since:March 16, 2008

Blog Post Archive

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

The Sky This Week - Thursday March 26 to Thursday April 2

The First Quarter Moon is Friday March 27. 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. Jupiter is visited by the Moon on the 30th. Show More Summary

Nova Sagittarii 2015 No. 2 Still Bright

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 Chart of the same area showing the reference stars. Show More Summary

Aurora Watch and Geomagnetic Alert (22-23 March)

After 2 nights of aurora (with some activity seen by die-hard observers on the 19th) we have yet another Aurora Watch issued by the Australian IPS for the 22nd (yes tonight) and the 23rd due to increased solar wind speed from a Coronal Hole. Show More Summary

Viewing Today's Solar Eclipse (20 March 2015)

The total Solar Eclipse of 20 March in the Northern Hemisphere is a long one, due to the perigee full Moon. Unfortunately the track of totality largely misses land. It is effectively only visible in the Fareo Islands and Svalbard Islands. Show More Summary

Aurora Happening NOW (9:14 pm 18 March)

Last night was the most spectacular auroral display we have seen for probably 10 years, despite most of Southern Australia being clouded out, aurora were seen in Vic, SA, WA, NSW and even (faintly) Southern QLD.Tonight is unlikely to...Show More Summary

My First Image of Nova Sagittarius

PNV J18365700-2855420, now confirmed to be a nova, imaged at around 4:00 am this morning (17-03-15) with iTelescope T12. Cropped down from the original file. Click to embiggen The image didn't have good comparison stars, all I can say is that it is brighter than magnitude 6.3. It will be interesting to watch it develop over the next few days.

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

The New Moon is Friday March 20. Venus is prominent in the twilight evening sky and is visited by the Moon on the 22nd and 23rd. Mars is lost in the twilight. Jupiter is the brightest object in the late evening sky. Saturn is in the head of the Scorpion. Show More Summary

Aurora Happening NOW (8:22 pm 17 March)

Significant unaided eye aurora have been reported in New Zealand and Goulburn NSW (!!!!!). A large part of Southern Australia is currently under cloud, however, the Kp index is currently 6 (very good for aurora), if this lasts, SA and WA have a chance of seeing aurora. Show More Summary

Aurora watch for March 17-18

The last aurora watch was accompanied by faint aurora visible after midnight, this alert may be associated with better auroral conditionsA geomagnetic alert and an aurora watch has been issued by the Australian IPS, the activity is due to a potential impact of a Coronal Mass Ejection from recent solar flares. Show More Summary

Bright Potential Nova in Sagittarius!

Chart of the location of the bright potential nova recently reported in Sagittarius as seen at around 3:00 am local daylight saving time from the southern hemisphere. The location of the nova is indicated by the yellow cross. The nova should be readily recognisable in the field of relatively dimmer stars. Show More Summary

Waiting for JAXA

I'm at the classic fighter museum with the SA air cadets waiting to talk to JAXA flight directors

Aurora watch for March 13-14

An aurora watch has been issued by the Australian IPS, the activity is due to a possible glancing impact of a Coronal Mass Ejection from recent solar flares. The activity is likely to peak late in the evening of the 13th to the early morning of the 14 March, possibly lasting to the night of the March 14. Show More Summary

A Chance to Choose Targets for the Mars Express VMC camera

Mars Express has The Visual Monitoring Camera (VMC, which is basically a webcam). Originally the VMC was to monitor the separation of the Beagle Lander from the Orbiter, but it is able to give unique, wide field views of Mars. For several...Show More Summary

Globe at Night Light Pollution Survey for March 11-20, 2015

The southern evening sky around 9:00 pm daylight saving time in March in Australia. Globe at Night, the international light pollution survey, is running once again. Its third survey this year is on from from March 11-20 (it's US HQ'd, that means we Australians/New Zealanders have until the 21st). Show More Summary

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

The Last Quarter Moon is Saturday March 14. Venus is prominent in the twilight evening sky. Mars is lost in the twilight. Jupiter is the brightest object in the late evening sky. Saturn is in the head of the Scorpion and is visited by the waning Moon on March 13. Show More Summary

The Sky This Week - Thursday March 5 to Thursday March 12

The Full Moon is Friday March 6. Venus is prominent in the twilight evening sky. Mars is lost in the twilight. Jupiter is the brightest object in the late evening sky. Saturn is in the head of the Scorpion and is visited by the waning Moon on March 12. Show More Summary

Comet C/2014 Q2 Lovejoy Occasional Views January to February

Comet C/2014 Q2 Lovejoy imaged on 17 January 2015. MEDIAN stack of 3x180 second luminance images BIN2, taken with iTelescope T14. North is left, East is bottom. Image inverted for easier tail viewing. Click to embiggen. Comet C/2014 Q2 Lovejoy imaged on 18 January 2015. Show More Summary

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