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Mr Jack Martin
ParticipantAlan,
I will give you an answer by the end of this week.
Regards,
Jack
Essex UK
Mr Jack Martin
ParticipantAlan,
Looks like a good match.
I suspect he was buried in London.
Regards,
Jack
Mr Jack Martin
ParticipantAlan,
You are not getting in my way.
This information was previously unknown.
Thanks for your efforts.
Jack
Essex UK
Mr Jack Martin
ParticipantAlan,
Doubtful, Blethyn’s telescopes date from around 1650.
Where did you get this information from ?
Its possible he was a relative of John Bleyghton a mathematical instrument maker in London around 1624-54. He was succeeded by his son John II. They also signed with the names Blaton – Blyton – Blighton.
Thanks for your efforts.
Jack
Essex UK
Mr Jack Martin
ParticipantRoy,
I discovered this telescope on a visit to Knebworth House in July 2019.
This is no 3 of only 2 other known Blethyn telescopes in the World.
Its been on display for decades unnoticed!
I am writing a short article about it for the Antique Telescope Society.
Regards,
Jack
Essex UK
Mr Jack Martin
ParticipantAndrew,
I did reinstall a second copy it has the same issues.
Regards,
Jack
Mr Jack Martin
ParticipantAndrew,
I did not remove user files.
Will follow your instructions.
I have not renewed my subscription.
Regards,
Jack
Mr Jack Martin
ParticipantBill,
Probably from the same parent body.
Nice spectra.
Jack
Mr Jack Martin
ParticipantRay,
I don’t think Alain Ducasse, Gordon Ramsay, Jamie Oliver, Heston Blumenthal, Rachael Ray, Hugh Fearnley-Whittingstall, Paul Hollywood, Anne-Sophie Pic, Clare Smyth, Lisa Goodwin-Allen, Emma Bengtsson, Ainsley Harriot, John Trode, Marcus Wareing, some of whom are Michelin star chefs would agree with your comments, me included.
Jack
Mr Jack Martin
ParticipantDavid,
Just a bit of fun and its different, thanks for including in E&T News.
Jack
Mr Jack Martin
ParticipantSome thoughts:
The planets in our solar system all come from the same building blocks.
Bacterial life in Venusian atmosphere is a theory, but Anding’s comment is plausible.
Or, have they discovered some unknown chemistry ?
Spectroscopy was the tool used to make the discovery !
Jack
Essex UK
Mr Jack Martin
ParticipantBill,
A good result, more interesting than un-interesting !
Well done.
Jack
Mr Jack Martin
ParticipantPeter and Robin,
Thanks for your advices, very helpful.
Regards,
Jack
Mr Jack Martin
ParticipantFollowing Owens excellent talk last night here are links to a book and app I referred to in Q&A.
https://play.google.com/store/apps/details?id=com.vitotechnology.StarWalk2Free&hl=en_GB
I noted the many references to Spectroscopy !
Clear skies,
Jack
Mr Jack Martin
ParticipantAstroshot,
What do you use the secure the eye bolts, can see something but not in detail ?
Regards,
Jack
Mr Jack Martin
ParticipantRoy,
Thanks for the link, very informative.
Regards,
Jack
Mr Jack Martin
ParticipantAstroshot,
Ingenious ! how long and what thread are the eyebolts ?
Regards,
Jack
Mr Jack Martin
ParticipantAndy,
I don’t mind at all.
I thought Schmit C’s suffered from this, there was an issue with focussing, after winding the focussing knob backwards and forwards a few times (which has to be done regularly), spectra are much sharper, perhaps it was that.
Regards,
Jack
Mr Jack Martin
ParticipantXilman,
Thanks for your feedback.
I have an Atik 314 mono attached to the 4 inch refractor, so the filter you recommend would be a good option, as I want to obtain research-quality results.
I have a Canon 400D DSLR, but from your description, the first option seems more straightforward.
Regards,
Jack
Mr Jack Martin
ParticipantRobin,
Thanks for your efforts.
Regards,
Jack
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