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Richie's Blog


Testing a Vixen VC200L
Friday, 21 May 2010 20:47

I've been testing a Vixen VC200L recently for a review.  Vixen Opticron have been very supportive, and have helped me immensely by providing just the right kit to hookup my SXV-H9 to the Vixen.

I am also using a focal reducer, which reduces the scope from its native F/9 to F/6.3.  With this setup, the scope is performing very well, and giving well resolved and crisp images.

I did have a bit of a problem initially with Polar Misalignment, which caused star trailing over long sub-exposures.  Anything over 5 minutes was giving nasty trailing, which made things rather challenging!  I've now solved the problem by drift aligning the mount with WCS, and am able to run 20 minute subs.  I think the drift alignment could definitely be improved, but that will have to wait until after I've done the Observatory roof!

Here is a recent shot taken at the beginning of the month over 3 nights of Messier 51 the Whirlpool Galaxy.  You can see the full sized version, with the image capture details here

 
Sky at Night Appearences
Written by Richie Jarvis   
Monday, 14 December 2009 00:00

The Sky at Night - November 2009

This episode of the Sky at Night was dedicated to the LCROSS lunar impact (http://lcross.arc.nasa.gov) event on the 16th October, and was broadcast in November 2009. I was asked to come along and setup my scope at the seaside to try and capture the impact, unfortunately, cloud prevented us from seeing anything. The good news was that no-one else did either, as the impact was not visible from Earth!

 

The Sky at Night - January 2010

This episode was filmed in December 2009. I was asked to come along and bring some imager friends, so I invited Neil Richardson, Stephen Green and Iain Melville. I also took Emily along as well.  We had a great time filming, and also got some imaging in as well. Iain taught Emily how to do Star Trails with my Canon 350D, and caught some beauties.  More of her work here: Emily's Star Trails

2009-12-10 - StarTrails

 
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