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About ejp1684

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    Star Forming

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  1. I changed my HDD for an SSD on my Toshiba laptop about a year ago. The SSD was from Crucial, and I just followed the advice they gave on their website. All went smoothly, so I'd take a look at their website and check out their help pages. https://uk.crucial.com/gbr/en/ssd-install Eric.
  2. I've been using a Leisure battery 20ah for a couple of years now with no issues. Cost £35. After 6 hours observing, including a small heater for the guide scope, it rarely goes below 50% charge when it's still pushing out 12.4v. Built a box for it and secure connections. Key to using it effectively is the electronic charger.
  3. Hmm, I found the layer system quite good. Overview Concepts Or perhaps I misunderstood the problem. Eric.
  4. Cygnus. I like taking spectra, usually with the cheap and cheerful Star Analyser, and Cygnus is stuffed full of WR stars plus P Cygni which always fascinates me. Eric.
  5. Welcome to the forums, and a very Happy Christmas to you. Eric.
  6. I use an ironing stool. I don't adjust it very much, just lean forwards a tad if the eyepiece is a bit low, or sit straight if it's higher. Not ideal, but better than standing! Eric.
  7. My main computers are Macs, but my W10 laptop performs well for ASCOM, EQMOD, APT, Sharpcap, Astrotortila, etc, and a 4 port usb to Ethernet thingy. The only infuriating feature of standard W10 is the the updates. Mr Microsoft thinks he has the right to update my computer when he likes, while I think I have the right to decide when it should happen. So whenever I'm using the laptop with the scope I disconnect Wifi, and all is peace and quiet. Eric.
  8. Welcome to SGL. It's always interesting to see the questions other people have, I find I learn a lot from them. Eric.
  9. Thanks James. I know nothing whatsoever about all these files and stuff, but going back to version 4.4.6 has worked. Eric.
  10. Downloaded and installed gnuplot 5.2.5 to use with ISIS, but when I try to use it I get a message that "File ...gnuplot-5.2.5\binary\pgnuplot.exe not found". Which is understandable, as the directory 'binary' is nowhere to be seen in the list of folders and files which were downloaded. Would value any suggestions... Thanks Eric.
  11. I had this same issue on a Celestron tripod. Gaffa tape was the first solution and worked well, but a more permanent solution (especially if you want to eventually sell it) would be re-tapping. It's not difficult, especially as the original grub screws were ludicrously small, and larger ones worked well. Eric.
  12. SkySafari is my most used app, but also Procam for the odd night shot. Eric.
  13. Has anyone used one of these? FLO have them for sale, but there isn't much info on them, not even on the StarlightExpress website. Eric. (Edit) Correction, found the handbook.
  14. Another of Ken's books is "Grating Spectroscopes and How to Use Them". I found this book very helpful as although it deals with gratings in general, it has a lot of information on using the Star Analyser 100 (and 200) which in my opinion is the best way to begin spectroscopy. The Star Analyser is much easier to use than a slit spectroscope, and is much cheaper. Eric.
  15. Looks similar to one of the Altair Astro GP-Cams Eric.
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