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About Robp

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  1. I would definitely suggest keeping the subs stored if you can, even on an external hard drive or something. You can add to subs over many nights, even years to constantly improve the image and there have been many times when I have noticed a mistake in the stack half way through a process flow and had to go back and stack again. I will let someone more experienced analyse the tif file, but it doesn't look right to me.
  2. If the data isn't over exposed when you start processing, you should be able to prevent it. If it is there when you start, you may have no choice but to go for the extra short subs. I also had problems with M31 and went the short sub route for the core only. I used this guide for the short sub/long sub layering: http://www.astropix.com/html/j_digit/laymask.html Hopefully someone with a better understanding of ps than me will be along to help without the need of extra data ?
  3. Maybe try taking shorter subs for the overexposed section and then layer it over the top. I used it in two thread series where I was imaging Orion in 2014/15 to get the core: I'm not sure if you can recover it in PS, someone else may be able to help there.
  4. Cheers all for the quick replies. I think I'm going to stick with the finder and look into selling the OAG/GP cam. The finder guider works fine, can be used with other cameras if I want to, and I didn't think about the balance factor as it is mounted on a dovetail in a way that can be easily moved forward to offset the weight of the camera hanging off the back. Thanks! Rob
  5. Hi all, I recently picked up a used Atik one 6.0 with the off axis guide camera. I have not had a chance to use off axis guiding yet, but wondered if there were any pitfalls to using one? I have only ever auto guided using a camera/finder setup, currently a QHY5L-ii C camera and evoguide 50ed guide scope combo. I would like to move the least preferable method on to free up some funds for other stuff. I have three scopes that the current finder setup is swapped between: WO Star 71 SW 130pds SW 200p So which should I keep and why, (or should I keep both?). The off axi
  6. This is still available, further price reduction before its placed on a well know auction site
  7. I have reduced the price of this down to £775
  8. Hi all, The filters and filter wheel are sold pending payment and delivery. Just the camera left.
  9. You will keep looking at classified adverts until you get a few clear skies. Then when it clouds back over you will go back to looking at all the shiny kit you shouldn't buy whilst you await the next clear night
  10. Hi all, For sale I have an Atik 414ex mono with USB cable and cigarette plug power adapter (filter wheel is not included). Everything is in excellent condition with the original box and a spare descant plug. I am looking for £750 I accept PayPal (buyer to pay any fees) and will send via insured postage to a UK address, or cash on collection from the ST5 area if you'd prefer to have a look at the camera in person. Let me know if you have any questions or require any further images, thanks for looking. Edit - I have also placed this for sale on AstroBuySell Edit 2 -
  11. Thanks Flo, mine arrived last week and its a lovely bit of kit, cant wait to use it. The Evoguide 50ED fits within the WO finder rings I had, so I have transplanted half the locking nuts to these rings and I can now easily move it between my Skywatcher 130pds equipped with the evoguide 50ED rings, and the WO star 71. I will end up mounting it on top of the scopes when I get a chance to drill some holes
  12. Looking lovely and smooth, me likey. Well done!
  13. Just ordered one I have been looking for a new guidescope over the last few weeks and this looks like it will fit the bill nicely, cheers FLO.
  14. Cheers Kens, will add to my list for comparison. The bonus point for the 383l is that second hand ones come up quite often and it would almost be a straight swap. I'd have to move up to bigger filters though I think.
  15. Cheers Tim. On paper it has an imaging circle of around 40mm if I remember correctly. I've never gone above the 414ex with it though. I could test it with one of my DSLRS if I can get the adaptor off the scope ?. The 383L still the goto camera for larger real estate?
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