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Jeff Marsden

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About Jeff Marsden

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  1. Jeff Marsden

    Fork mounts for refractors

    I can't help with commercial mounts but if you fancy a DIY approach the Richard Berry Dob mount for refractors is often mentioned. Try this one at the beginning. https://www.cloudynights.com/topic/146934-ron-ravneberg-memorial-scope-gallery/ or this cutie half way down the page by Jeff Morgan https://www.cloudynights.com/topic/546728-richard-berry-dob-mount-for-refractor/ Jeff
  2. This account by Thomas Back is interesting re AP lens history. http://www.csun.edu/~rprovin/tmb/tmb1.html Jeff
  3. Jeff Marsden

    A Lovely Trip Back in Time

    If you press on the link in my first post it will take you to the program mentioned. On the right hand side of the screen are other episodes to view.
  4. Jeff Marsden

    A Lovely Trip Back in Time

    I have just been on YouTube and found a series of vintage Sky at Night programs uploaded by Martin Mobberley. I watched one with Paul Doherty that I remember from 1977. However this episode from 1970, 'Frank Ackfield's Observatory' has that warm glow of yesteryear. Moments at 7:40, 10:00 and 18:00 are rather quaint with the first two also rather advanced. If you have the time, enjoy. https://www.youtube.com/watch?v=sq5ImzuJHTk Jeff
  5. Am I right or... Just come back in at 12.20 after picking up Venus with 7x42 binoculars. Sun hidden by the top of my garage and being very careful. Definite crescent phase seen. About 5 degrees above and to the right of the Sun. Jeff
  6. Jeff Marsden

    the 18" mirror for sale on ebay.

    A step back in time with George Hole. Enjoy http://www.britishpathe.com/video/garden-telescope
  7. Jeff Marsden

    Vintage Celestron orange tube C8

    Brought mine new back in November 1981 from Astro Systems. Drove down to Luton to pick it up from Rob Millar. The scope is in excellent shape and would appear to be a good example optically. Easy & quick to set up and take down on its equatorial wedge. This point helps when the scope has cooled down only for the clouds to have reared their ugly heads; again. Image shift has never been much of a problem with this example. Rob Millar was said to carry out a number of tweaks on the Celestrons that he sold at the time. I don't know whether that included rotating the corrector plate for better performance. The number plate on the secondary cover is apparently supposed to be horizontal in relation to the bottom of the tube. Mine is not and whether this contributes anything I don't know. The Moon is my main area of observation and the telescope does well on this object. I have seen the elusive crater Aldrin with it but so far not the Alpine Rille. When things gel, Saturn is also very good. I have seen the Terby white spot a number of times. When the rings started receding back from their last maximum tilt, I caught a very early reappearance of the globe edge. A few days later someone on Cloudy Nights said they had just seen the same thing. That was remarked upon as a good catch. It has been with me now for 30 years and I see no reason to part with it. It works with minimum fuss and as I and the scope grow older, that quality is not to be underestimated. Jeff, Huddersfield
  8. Jeff Marsden

    BBC Four Between 1.10 and 2.20Am

    I have not seen the programme yet but I think the Guardian newspaper article got his name wrong. It was 'John' Hosty who worked with my brother in law at Huddersfield General Post Office. I have a clipping somewhere from The Huddersfield Examiner showing John sat in a dentists chair (?) with the binoculars attached. If I recall they were 'small' battleship binoculars with only one half that worked. Jeff Huddersfield
  9. Jeff Marsden

    what binoculars do you own

    Zeiss 7x42 BGAT usually; for generally scanning. Early 80's Celestron 11x80s on a Uni-loc Major tripod with camcorder fluid head on top. Then there are a pair of 6" reflecting binoculars made by Peter Drew with a pair of 19mm Panoptics giving x32 magnification. Jeff, Huddersfield
  10. Jeff Marsden

    Ten Minutes Worth of Drool

    http://www.eso.org/public/videos/esocast19/ Just a little better than the West Yorkshire Pennines. Well, I think so? But then again... Jeff
  11. Jeff Marsden

    Anyone out tonight?

    I had my '81 C8 out last night and during moments of good seeing I could see the emerging gap between Saturn's rings and the globe. Gamma Leo and Castor were looked at which were nice especially γ Leo. 7X42 & tripod mounted 11x80 binoculars were also used; early doors on Venus & Mercury and then on the Beehive and Pleiades. I hope the 15th is clear with the thin crescent Moon joining the party with Venus & Mercury. Jeff
  12. Jeff Marsden

    Henry Hatfield

    As time marches on, inevitably those who have reached a certain age will also pass on. Those who were around in the sixties and seventies will remember the name of Cmdr. Henry Hatfield of Photographic Lunar Atlas fame who, it has been announced, died on April 1st. { BAA announcement: It is with great sadness I have to report that Commander Henry Hatfield, a long-standing BAA member who served the Association in many roles including President, Treasurer and Secretary, passed away on April 1st. His funeral will take place at 12 noon on Thursday 15th April 2010 at St Thomas's Church, 14 Granville Road, Sevenoaks, Kent TN13 1ER. All are welcome. A full appreciation of Henry Hatfield's life, his work for the BAA and his contribution to amateur astronomy will be published in due course in the Journal. I am sure you will all wish to join me in extending our condolences to Henry Hatfield's family. David Boyd, President } Although I do not own a copy of his Lunar Atlas, rather strangely I picked it up from the library shelves of the Astronomy Centre last night, not knowing of his passing. He, along with Henry Brinton, was mentioned in various books of Patrick Moore from those times. I recall the photograph of his 'Beehive' observatory but never saw a picture of his home built reflector. I have done Google searches in the recent past on both of these two men but without much luck. It would be interesting to know what has become of their telescopes, especially Brinton's as it was a well featured scope in several of Moore's books over the years. Jeff
  13. Jeff Marsden

    Lathe for scope projects

    To help Peter out... My own 6" F/4 (3.8?) Hinds mirrored Newtonian Binoculars made by Peter quite some years ago with a pair of 19mm Panoptics. Just over 2 degree field of view with a power of x32. They are not really a star party item in that collimation / eyepiece separation are different for most people. When I have taken them to the Astronomy Centre and collimated them to perfection, , Peter has turned up and re-collimated them because he says they are out of whack. I say Peter has wonky eyes . The Moon through them at such a power is very nice, as are the usual DSO suspects. I have tried a couple of 2x barlows in them on the Moon plus the 19 mm Panoptics and I have felt a 'looking down' both sides of a mountain chain 3d effect. Subtle but something extra over a mono view. They have their little foibles and limitations but I am not selling; one more toy for the job in hand.
  14. Jeff Marsden

    Fullerscopes from 1973

    Ah yes, the good old Fullerscopes' 'Unit Purchase Plan', remember that one? I have wondered over the years how many of the 'brass & gunmetal' 6" refractors Fullerscopes sold and if anyone knows of the existence / whereabouts of one? Jeff
  15. I saw Country File last Sunday and there was an old report from 1998 / 99 from the Star Party held at Thetford as it was back then. One of the people interviewed looked familiar as I recall seeing someone similar on a programme from the mid nineties. This sparked a bit of investigation on the web for the programme. The programme I think was shown on Channel 4 and concerned an eclipse trip to India in 1995 or perhaps 1996. Cameras focused on a few of the travellers in the party in the run up to the venture. Memory provides the following. There were two twins, one of whom had his camera pack up right before the eclipse itself. Another, the person who sparked off this search, was a school teacher who was either born in India or had grown up there due to his father working in the country. He spoke the language but this did not cut any ice with a military guard at the temple complex at which they had assembled to watch the event. The teacher had disregarded the no entry signs to climb onto the ramparts away from the masses and was ordered off by the guard. He also proudly showed off his collection of astronomical flavoured ties! Lastly, there was a figure who reminded me of Phil Harding off Time Team. He had a observatory that leaked water, complete with with catching bowl and a house with so much junk in it that some of it may be quite valuable now! I thought he was the star of the show. Does anyone remember this programme and know whether it is available to watch anywhere on the web? Thanks, Jeff
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