My Astronomy


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My New Book May 2018My previous e-book



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

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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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« Day 13 A cloudy day and the Cabrera Uphill Challenge! | Main | Day 11 New Mexico Images, Canon 40D with 76mm lens images of Pleiades, M31, Double Cluster, Mizar and Alcor. »

Day 12 The Moon and the Onion, M31 using Deep Sky Stacker and  IRIS.


 A clear start to the day. It then clouded over but cleared in the evening so I was out at the telescope.

The Moon was visible from my front window in the morning. Here it is to the right of the Onion Dome house in the village.


A closer view



I set up in the evening as usual with the target of taking multiple short exposures to combine.


The image was taken with my Canon 40D and 38 to 76 mm zoom lens (shown below) set at 76mm. No telescope involved.


This image of The Andromeda Galaxy M31 is a combination of 19 median combined light frames (30s each) with 20 median combined dark frames.



The image was taken using the Canon EOS software and combined in Deep Sky Stacker and processed in IRIS.