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Try this link to get to the paper Jeremy mentions:
https://ui.adsabs.harvard.edu/abs/1975JBAA…85..426M/abstract
Or read the Journal in our archive at:
https://britastro.org/journal/journal-of-the-british-astronomical-association-vol-85-iss-5The web server has now been updated.
If you notice any (new) problems with the website please let us know.
Thanks,
CallumHi Paul,
it was marked as spam because you made a couple of rapid edits of the reply. I have approved it.
With the anti-spam package we use it is not something we have control over, sorry.
Callum
Hi Bill,
I have not heard of anyone having such a problem – and I did not have a problem when I recently booked the Comet meeting.
I don’t recall the format I used but it would either have been 07XXX XXXXXX or 07XXXXXXXXX
Callum
Paul,
I found your post in the forum spam box, but have approved it.
I think if you do multiple edits in quick succession, this may trigger a spam action.
Callum
Certainly not present in my meteor cam capture at 02:39 this morning.
Callum
Attachments:
Galvoptics used to, and still do apparently https://www.galvoptics.co.uk/optical-components/telescope-products-andamp-services/
Would be nice to hear how you get on.
Callum
Hi James,
I don’t have direct experience as I have a B600 on my Lunt 60 – but the B600 is recommended for visual use, and the B1200 for imaging.
Quite an expensive upgrade as an experiment…
Hopefully someone will be able to advise better.
Callum
My meteor camera picked up 7 last night, over what was quite a cloudy (snowy) and moonlit night.
Also posted on my member album
https://britastro.org/observations/observation.php?id=20241118_135908_7bed7ec60b7df58fCallum
I used the Ordnance Survey OS Locate app on my phone – gives lat / long to 4 decimal places and altitude in metres to 1 decimal place.
Callum
This problem should now be fixed – if you still have a login problem please email webadmin@britastro.org
Thanks,
CallumWould be worth talking to @DominicFord – he has a generator at in-the-sky and it was used for generating a big planisphere in an Australian dark-sky park. You might be able to annotate the generated map, or Dominic might be able to help you.
Callum
Assuming I found the right article this link should work.
Fingers crossed
Congratulations Alan – a great result.
Maybe you could write this up for the E&T section newsletter or the Journal?
Callum
I think one of the points of the Spray Silvering technique is that the mirror does not need burnishing after.
Some of the big dob users in North West USA (Howard Banich, Mel Bartels et al.) were the trailblazers with the technique due to the cost and difficulty of getting their very large mirrors aluminised.
Callum
