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  - Rother Valley Optics
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Latest Posts
- 2024 Scotland's Autumn Galloway Premier Star Camp.
  
  By Uplooker · Posted 10 minutes ago
  
  Hi Derek, You beat me to it, was going to post the same
- LRGB Imaging
  
  By Vroobel · Posted 21 minutes ago
  
  I use the BX and Gradient Correction before other steps if I'm going to use the channels as masks. The NX may affect your colors if you work on them before or after applying it, just try. I follow the processing presented perfectly on the PI authors' tutorial series on YT - who knows better then them? 🙂
- C14 without corrector
  
  By michael.h.f.wilkinson · Posted 28 minutes ago
  
  Deconvolution is mathematically an ill-posed problem. Lucy-Richardson deconvolution is a more-or-less baseline method, but in all cases you need a very good model of the PSF, and very high signal to noise for it to work well. I get good results with LR deconvolution on solar and lunar data, where S/N is good, and wavelets don't seem to work as well. On planets, I prefer wavelet sharpening over LR deconvolution.
- Dark nebulae: The seahorse
  
  By timwetherell · Posted 36 minutes ago
  
  Thanks Craig We live on the edge of Exmoor so this is shot from home. Somewhere like Webbers Post is about half a magnitude darker but not quite so convenient!
- Skywatcher EQ3 Mount Worm gear stuck to RA clutch problem
  
  By Vroobel · Posted 44 minutes ago
  
  I assume you had a plan or at least an idea what you were going to do, so do it, but in opposite direction. If you plan to use the OnStep, there are fields to set the direction. Without further details nobody can help.
Recent Topics
- 0
  
  Winterfest 2024 kelling heath starparty Norfolk
  
  solarboy · Started 1 hour ago
- 0
  
  N.i.n.a not opening after I updated it WIN7
  
  Quetzalcoatl72 · Started 2 hours ago
- 0
  
  NGC 7000 HOO - which image is best and...
  
  a6400 · Started 7 hours ago
- 0
  
  COMET C/2023 A3 - VISIBLE ON SOHO LASC0 C3 CAMERA FIELD.
  
  paulastro · Started 8 hours ago
- 0
  
  LBN564 and a few galaxies
  
  wimvb · Started 9 hours ago
Recent Status Updates
- Space Hopper
  
  Currently mourning the loss of my local astro forum, East Midlands Stargazers. Sadly no more.
  
  Sunday at 21:42 · 0 replies
- Hawksmoor
  
  We said goodbye to our very long serving Epson printer and scanner and said hello to its more modern replacement. It also joined our home wireless network with virtually no swearing involved at all.
  
  We also fired up an old laptop that runs windows XP and my partner’s Singer embroidery machine. When it awoke from it’s long and deep sleep it thought it was 2001. LOL!
  
  Wednesday at 23:46 · 0 replies
- Ak135
  
  Just some of my first photos taken through my phone camera and skywatcher 130 dobsonian.
  
  September 25 · 0 replies
- Earl
  
  Full frame incoming YAY
  
  September 17 · 3 replies
- Hawksmoor
  
  Further to my medically knowledgeable son’s intervention, it turns out that my double big toe ‘gout’ event was probably triggered by not only a damp cold night in the garden stargazing but also by the steaming cup of hot marmite I downed in the kitchen to warm myself up after a three hour imaging session.
  Who would have guessed that amateur astronomy was such a high risk activity, with hazards literally everywhere, for the more elderly incautious astro imager and occasional imbiber of a warming cup of hot water infused with marmite.
  My son also encouraged me to lose weight and drink less Guinness.
  
  September 15 · 3 replies
Blog Entries
- What do you get when you add 'wiggly lines' to an astro-photo taken in the dark?
  
  By Hawksmoor in Blog 19648
  0 comments
- Virtually engaging in a conversation with myself, whilst I sit 'coughing' in a comfy chair on a warm summers day in Oulton Broad.
  
  By Hawksmoor in Blog 19648
  0 comments
- Still messing about with fibre optic cables - after all these years.
  
  By Hawksmoor in Blog 19648
  2 comments
- As no one had posted a blog entry since 2022 I thought I would but its probably nonsense!
  
  By Hawksmoor in Blog 19648
  4 comments
- 13/01/2022 Mooooooooon! Plus Orion and some doubles.
  
  By cwis in Activity Blog
  1 comment
Images
- NGC_7479-crop-NoSt-1_GraXpert FINAL No2_sharpened.jpg
  By Bill Phenix, 2 hours ago
- NGC_2903-crop-NoSt_GraXpert_sharpened cropped.jpg
  By Bill Phenix, 2 hours ago
- Witches_broom_Blue-crop-NoSt_GraXpert FINAL.jpg
  By Bill Phenix, 2 hours ago
- sculter_blue-crop-NoSt_GraXpertFINAL.jpg
  By Bill Phenix, 2 hours ago
- Triffid Ha_GraXpert_setiastro sharpened.jpg
  By Bill Phenix, 2 hours ago

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