My Astronomy




My Telescopes

My Main Telescope - C14 and Paramount ME

My new Paramount MyT and 8-inch Ritchey-Chretien Telescope

MyT Hand Controller

My Meade 12 inch SCT on a CGEM (Classic) Mount

My 4 inch Meade Refractor with Sky Watcher Guidescope and ZWO camera on a CGEM (Classic) Mount

Skywatcher Star Adventurer Mount with Canon 40D


My Solar setup using a DSLR and Mylar Filter on my ETX90

DSLR attached to ETX90. LiveView image of 2015 partial eclipse on Canon 40D

Astronomy Blog Index
About the Site

 I try to log my observing and related activities in a regular blog - sometimes there will be a delay but I usually catch up. An index of all my blogs is on the main menu at the top of the page with daily, weekly or monthly views. My Twitter feed is below. I am also interested in photograping wildlife when I can and there is a menu option above to look at some of my images. I try to keep the news feeds from relevant astronomical sources up to date and you will need to scroll down to find these.

The Celestron 14 is mounted on a Paramount ME that I have been using for about 10 years now - you can see that it is mounted on a tripod so is a portable set up. I still manage to transport it on my own and set it all up even though I have just turned 70! It will run for hours centering galaxies in the 12 minute field even when tripod mounted.


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« NGC 6716 Photometry Part 2 | Main | Tuesday 7th October 2014. Variable stars GCVS V0851, V0854,V085 »

A study of the star cluster NGC 6716 Part 1

NGC 6716 is a star cluster in Sagittarius consisting of young stars.

I took a number of images on 13th September 2014 using the T17 telescope at Siding Spring in New South Wales, Australia with a view to analysis using BV photometry so that I could find more about the cluster stars and the cluster itself.

Just how much is it possible to find out from two of these monochrome images?


This telescope holds the world record for imaging the faintest object ever imaged by an amateur - a quasi stellar object whose light started its journey 12.79 billion years ago!

Here is the telescope data courtesy of

Here are my 3 minute V and B images. Note that North is down and East is to the right in all of these images.


This is the 300second B image in VPhot. Two variables have been identified in the image on the right hand side.


 To be continued.....