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Articles by Members

August 7, 2017

Every day I observe solar activity and publish my results globally. I also report my monthly findings at the Sydney City Skywatchers meeting on the first Monday of the month. Unfortunately very low activity on the Sun continued throughout July. On the 1st only a single Hax (7) spot could be observed in AR12664, also a...

August 7, 2017

A partial lunar eclipse will take place on August 7/8, 2017, the second of two lunar eclipses in 2017. This partial eclipse would be visible from Sydney. The eclipse will start on the early hours of Tuesday 8th August at 1:50:01 am with the maximum eclipse occurring at 4:20:29 am. The Moon will only be slightly covered...

July 10, 2017

Every month I publish a summary of my daily observations of the Sun and its activity. As our closest star it is extremely interesting to observe and record its activity. My findings add to those observed and published around the globe. You can find out more using this link.

Very low activity on the Sun continued through...

July 8, 2017

There appears to be an increase in the frequency of news about both the importance of a dark night sky, the cultural significance of the stars, and the relevance of astronomy to indigenous peoples. This is not news to amateur astronomers who regularly discuss where to find a dark sky site, how to improve outdoor lighti...

June 7, 2017

Monty Leventhal  (pictured right on his balcony in Maroubra) is a regular solar observer who reports his observations daily to many organisations around the world. This is his monthly summary for May 2017.

Once again activity on the Sun continued to be very low. Only a single Axx spot was seen on the 1st of May in...

June 5, 2017

At the 5 June Sydney City Skywatchers meeting Monty Leventhal presented his May Solar observations and I was particularly interested in his observation of X-ray class of C1. flare on 28 May. This post is about a phenomenon we can view from our planet when the solar conditions are just right . 

The reason for my cur...

May 23, 2017

The summer and winter solstices mark a special time in our calendar. When the sun is over the Tropic of Capricorn this is the peak of summer in the southern hemisphere, the longest day of the year and it predictably occurs on 21 December. When the sun is over the Tropic of Cancer, this signals the shortest day of the y...

May 5, 2017

It was a balmy evening on Monday 1 May and thirty-one attendees, including nineteen members of our astronomy group, had a very successful night of telescope viewing at Sydney Observatory. Many Sydney City Skywatcher members brought their own telescopes or astronomy set-ups, but we all assisted in setting up, had many o...


A solar flare is an intense burst of radiation coming from the release of magnetic energy associated with sunspots. Flares are our solar system's largest explosive events. They are seen as bright areas on the sun and last from mere minutes to several hours.Scientists classify solar flares accor...

April 29, 2017

Every Month I summarise my observations. You can find out more about me and how I make my solar observations on a previous blog post


Once again activity on the Sun continued to be very low. On the first of March only one Dso group of Sunspots could be seen in AR12461 and two single spots; one...

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March 31, 2020

February 3, 2020

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