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Simon Dunsmore

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About Simon Dunsmore

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    Star Forming

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    Male
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    Kent

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  1. Hi, I was hoping to draw on the corporate brain and gain a little advice about imaging galaxies. Right now I have the following set up for imaging Nebula. Skywatcher 130pds, Heq5 pro goto mount, skywatcher nexguide guide scope, moded canon 60d dslr with field flattener, ASI Air. The set up works really well for larger DSOs like Nebula and larger galaxies, but I was wondering if there would be a good scope for imaging galaxies. Most appear very small in the images. I potentially have a budget of around £600. Thanks for your help Simon
  2. Selling my Skywatcher 250P along with push to home built base, right angle finder and inclinometer. 52degree Explore Scientific eyepiece. This is in A1 condition, as new with all original packaging. Only used a few times. I had intended to divide my time between visual and astrophotography but time restrictions (and lack of clear skies) has forced me to choose just one stream and I've gone with astrophotography. The push to mount has levelling feet and allows targets to be selected with ease once the initial coordinates of a known target have been entered. Please feel free to ask an
  3. Hi Folks, Hoping for a little help. I'm just trying to get my head around shooting flats with a dslr through my telescope. I have a light pad with a dimable led. I've read it's best to use AV mode and let the camera select the correct exposure but I've also read its best to use Manual. Bit confused here, which do I use and is it best to dim/ brighten the light on the pad or reduce/lengthen the shutter speed? If I understand this correctly, I'm looking for the histogram to be somewhere in the middle right? Thanks for your help A baffled would be Astrophotographer Si
  4. Hi James, Thanks for your reply. Yes, I'm using dss. Really helpful. Thanks!
  5. Hi Folks, Sorry if this is silly question. I've taken a few astro images but up until this time I've only taken lights. I'm looking to add calibration frames on my next image but have a question about stacking. Do I add the flats, darks and bias to the stacking process as they are or do I stack them separately and then stack them with the lights or doesn't it matter? Thanks for your help Simon
  6. Thanks, how would the ST102 perform for astrophotography?
  7. Hi and thanks for all the suggestions. The camera came with a Tamron SP 10-24mm 1:3.5 - 4.5 DiII lense. Maybe I'll give that a try first
  8. Hi, Thanks, good idea. I hadn't thought of just using a camera lense!
  9. Hi Thanks for your comments and the detailed explanation. I'll give it some thought. Cheers!!!
  10. Hi Folks, I was wondering if anyone could suggest a wide field OTA for around £150? I presently use a Skywatcher 130pds for imaging DSOs but I would like to consider a wide field scope also for astrophotography for use with a DSLR. Budget very limited to £150 or very close. Thanks for your help Simon
  11. Hi Folks, I was wondering if anyone could suggest a wide field OTA for around £150? I presently use a Skywatcher 130pds for imaging DSOs but I would like to consider a wide field scope also for astrophotography for use with a DSLR. Budget very limited to £150 or very close. Thanks for your help Simon
  12. Hi All, Thanks for your help and suggestions. In the end I made this, large plastic container with good seal on the lid. I purchased a pack of rubber grommets to seal around the wires and have an RCD on order. Lots of space, so heat should not be an issue. Thanks again!
  13. Hi Matt, Thanks for your reply. So do you use this in a weatherproof box!?
  14. Hi and thanks for your reply. Amp wise I don't think that my rig will be drawing any more than 7amps. Heq5 mount, zwo asiair pro, dslr, mini guide cam. The power supply is rated up to 30 Amps.
  15. Hi Folks, Quick question. I have one of these power supplies and want to be able to leave it outside whilst the camera goes through the imaging run. I'm worried about moisture and was wondering if I could place the unit in a waterproof box. My concern is that it may overheat? I had thought about fitting a fan but wouldn't that spoil the integrity of the box? Your suggestions are much appreciated. Thanks in advance Simon https://www.firstlightoptics.com/batteries-powerpacks/nevada-psw-30-25-30a-switch-mode-power-supply.html
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