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About Horwig

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    Caernarfon, Gwynedd

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  1. I'm getting to grips with PI, but am having variable results with adding Ha to RGB. NBRGB is giving some very dark and muddy results, HaRVB looks more promising, but I'm not sure I'm using it properly, can't seem to find much about its use on the web. What method do others use, and what settings? Huw
  2. If only they would let you image through rain and cloud Yes indeed, my stars are also looking like stars, and I'm not having to work too hard to keep them colourful, I use masked stretch on the RGB, but manually stretch the L, seems to keep the stars nice and tight.
  3. Thanks Gina, my clear skies are so infrequent that I can't contemplate doing narrowband, if it doesn't work in LRGB or HaLRGB I don't do it Huw
  4. So far I'm liking PI a lot, it's giving me very clean and neutral backgrounds, and great star colours, but adding Ha is a fine balance, I'm still struggling with this, and you are right, it does look quite orange/pink here.
  5. The weather's miserable here, and has been for some time, so I'm still going back through stuff from last year, here's a re process of an image from last Oct, but with PI on the case. 6 hours Ha in 30 minute subs 40 minutes each RGB in 5 minute subs Huw
  6. Watching this with interest, I'm thinking of going EQastro on my old EQ5. Huw
  7. Thanks both, Nema 17 it is then
  8. Thank you very much indeed Olly
  9. Thanks both, which Nema 17 motors did you use?
  10. I blame you for this After your kind workflow PM, I spent a week solid in front of PI. I'm not claiming to be any good at it, just that I don't fear it any more. Huw
  11. I'm thinking of motorising my old EQ5, using an AstroEQ controller. Can anybody give me some first hand experience of their conversion, what model motor are you using, what pulley ratios did you use, what's the slew speed are you getting, that sort of thing. Thanks Huw
  12. A superb image of my favourite area of sky as well Huw
  13. Now I've got my teeth into PI, I've been going back through old images, and came across this one, imaged on Oct. 9th 2016, but unprocessed, all I did for some reason was stretch a single Ha sub and then forget about it, so here it is in colour: tekky stuff: FSQ106 on AZ-EQ6, with QSI6120 and astrodons RGB: 90 minutes each in 5 minute subs Ha: 3 hours in 30 minute subs Capture: SGP and PHD Processing: PI and Photoshop As always, comments please Huw
  14. Oh no, another rework of the same old data I'm grateful for the feedback these images have received, and looking back, the earlier ones are quite cringe-inducing. A big thank you to Olly for sharing his lovely version of this area of sky. My fear of PI is receding, so here are two versions, othe first was stacked in PI, and then Ha, L, R, G and B stacks transfered to Photoshop, the other was done in its entirety in PI. As always, please feel free with your comments. One area I'm still fighting is star reduction, both in PI, and in Photoshop using Peter's action, both ways leave a slight dark halo around stars on bright backgrounds, any hints? Thanks all Huw
  15. Thanks, that's where I am as well at the moment, but the Ha could be less pink in V1. Kit used was an FSQ106 and reducer with an SXVR-H35 and Astronomik filters