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About jambouk

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  1. Is it? Isn't it?

    I marked the points of the three larger moons, Io, Ganymede and Europa, and the centre of Jupiter from your screen shot of the planetarium software and made a layer which I placed over your capture; positioned everything so they roughly matched. The red dot in the square is where you have suggested you detected Amalthea, and the blue dot is where the planetarium software thinks Amalthea should be. They look pretty close. I suspect it is the moon. You should also pick several random sites around the planet, at the same distance, and equally stretch the data as much, and see if you also generate similar "moons" - it is relatively easy to think there is a relationship when you look hard enough for one. But I think this is Amalthea, but I am no expert. Nice one James
  2. Did a few more comparisons. The best was with DSS stacking over 300 very short unguided subs I'd taken 3 years ago and a load of darks; the new PC did it in 60 minutes, the old PC in 190 minutes. All processing was too quick in AS!3, only 20 seconds or so, but the new PC was 4x faster than the old one. So I'm content there is an improvement on this front. James
  3. I am using the same *.avi file to stack; is there a setting in Registax to alter how it decodes the video I feed it? James
  4. I've got a new desktop and it is hands down a higher spec than the 8 year old existing PC. I ran exactly the same planetary data through PIPP on both machines and the new PC is about 4 times quicker. But when comparing aligning and stacking in Registax 6 of the same data, there is no difference, and if anything the old PC may be slightly quicker... Why is this? James
  5. Annual Meeting 2018 The date is Saturday the 2nd of June 2018 at our normal venue: the Institute of Astronomy in Cambridge. There's no need to book in advance. Member or not, you're all welcome to turn up on the day. https://www.webbdeepsky.com/annual-meeting/
  6. South West Astronomy Fair - 11th August 2018 9:30 - 5:30 http://www.southwestastrofair.com/
  7. Festival 2018 is the 7th of July at The Heath Conference Centre in Runcorn Cheshire http://nwastrofest.co.uk/
  8. Now the quiz has happened, can we get to have a go on here? James
  9. Stargazing Live 2018

    It is a shame the event isn't happening this year. I think it is a useful event in the annual calendar to get the general public interested. It needn't be a vastly expensive venture. Shame. James
  10. I'll be there. I need to learn more about the Deep Sky. Looking forward to it. James
  11. IAS 2018 Any date yet?

    I've just emailed Martin to ask when the date will be released. I'll feedback. James
  12. The February 2018 edition of the Society for the History of Astronomy's e-News has just been published and can be downloaded from the website. James https://societyforthehistoryofastronomy.files.wordpress.com/2018/01/sha-enews-2018-01.pdf
  13. BAA Historical section meeting - 25th November

    Michael, It was good to meet you on Saturday in the SHA Library. With regards starting out doing research of local past amateur astronomers there are lots of ways to start this. Here are some ideas. Take a look at the SHA website and go to the Survey tab and look at existing entries for the county. There may be entries there your members can add more information to, or existing names known to you which are not yet listed there: https://societyforthehistoryofastronomy.com/ Most county library archives now have an online search tool; search for the terms astronomy, astronomer, telescope, observatory, astronomical, moon, lunar, eclipse, meteor, binoculars etc. Libraries themselves may have material too which isn't yet in the archives; again online searches or go into the library and look up similar terms. The English Mechanic is a great source of information, local libraries may have copies for you to search. Local newspapers; are any of these digitised? Ask the members and contact any much older members of the society who may no longer come to meetings - the older generation may well have valuable information. Ancestry and Genes Reunited can be searched for occupations like astronomer, scientist etc. Speak to a local newspaper and see if they will run an article on the topic; again readers may have information and contact you. Are there any museums locally; contact them as they may have equipment or books which were left to them which could initiate an avenue to explore. Search old journals (MNRAS, BAA Journal etc) for Worcester / Worcestershire etc. Search the SA/NASA site: http://ukads.nottingham.ac.uk/ If you can search church records, look for graves which may have the term astronomer. There is a good article by Mike Frost in the JBAA - BAA members will be able to access the full document: https://www.britastro.org/journal_item/2777 Another good article by Roger Jones from the SHA: http://adsabs.harvard.edu/full/2006AntAs...3...69J The SHA is holding a research workshop in Feb 2018 in Birmingham; info about this can be found on page 5 of this edition of e-News: https://societyforthehistoryofastronomy.files.wordpress.com/2017/10/sha-enews-2017-04.pdf And join the Society for the History of Astronomy; it's £20 a year or £15 for concessions: https://societyforthehistoryofastronomy.com/join/ Just some ideas to get you going. James
  14. BAA Historical section meeting - 25th November

    The Society for the History of Astronomy is opening its library, and there will also be a book sale of surplus books. I may see some of you there tomorrow. James
  15. SHA e-News, Nov 2017

    The latest edition of e-News from the Society for the History of Astronomy is now out and freely accessible to everyone. https://societyforthehistoryofastronomy.com/the-e-news/ James