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AstroAdam

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    479
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About AstroAdam

  • Rank
    Star Forming

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  • Website URL
    http://www.astrosite.co.uk

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  • Gender
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  • Location
    Kent-Based Welshman
  1. AstroAdam

    Most satisfying observations?

    Hale-Bopp is up there, but as it revealed itself over time and got more and more visible, I wouldn't call it 'satisfying' as such, more spectacular! Also , Saturn, Jupiter were all WOW moment, but satisfying is when I see something I've wanted to see for a long time and it's previously eluded me... In which case, in no particular order... 1) First sight of the Veil Nebula, both eastern and western through an OIII filter in my 12" Dob. This is one object that can go from invisible to spectacular with the addition of an OIII into the mix. Have seen it since in apertures down to a 102mm frac with the same filter. 2) First sight of the Rosette Nebula with the same filter. 3) Getting boring now, but my first view of M42 under dark skies with the OIII. Again, spectacular, but satisfying in that it was the first time I'd really seen it resemble the images - the most amazing complex nebular structure I've ever sat there and taken in - I was there for a few hours at least, just drinking in the views... A 'Chocolate Box' object agreed, but I never tire of that particular chocolate....
  2. AstroAdam

    Rosette Nebula possible in 10 inch Dob?

    The Rosette isn't that hard with an OIII filter, though obviously the darker your skies and the larger the aperture the better. I've got a 12" Dob in skies that aren't that fantastic, and I've managed it a fair few times, but have always needed the OIII filter to do so... I just look for the recognisable central cluster, then I find slowly panning around the area really helps to pick out the mottled nebulosity surrounding it. Once you've seen it, that elusive doughnut is easier to find next time...
  3. AstroAdam

    Focusing

    Yup - a definitely second on the Bahtinov mask. It makes so much difference. Either that or an auto-focuser, which can wither be bought or self-built, but costs more and is more difficult to set up and run. I'd stick with the mask - you can pick a decent one up (star sharp masks are great) for about £15-20 I think... Or you can make your own one of those too... the following link is a bahtinov mask generator that you can use to make one out of thin foam or similar yourself.... http://astrojargon.net/maskgen.aspx
  4. Thanks Peter. It takes a bit of playing with the proportions in which you mix the OIII and Ha into the various channels. Also, re-merging the Ha as an additional luminance layer gives it more 'pop' and really boosts the detail in the fainter parts of the nebula.
  5. Yes - I noticed this one too, but it wasn't enough to bother me that much. Would of course prefer to eliminate it. I do have a flattener for this scope, but unfortunately it's not compatible with my current imaging train. This little ED70 doesn't have the flattest field ever, but its strange that it appears to be more pronounced in one corner.... I'll have a play next time I use it (recently been imaging with my 102ED more...).
  6. AstroAdam

    Hello From Bristol. UK

    Great kit to start out with! Welcome to the fold!
  7. AstroAdam

    Prints on aluminium.

    Cheers Good old Bonusprint Makes me think of the envelopes you sent your films off in in the 80s after your holiday, with a cheque, to get them back a week later....
  8. AstroAdam

    Prints on aluminium.

    Was that in the UK? Have been tempted myself... who did you use?
  9. AstroAdam

    Two Sub Iris

    Definitely agreed that for 600secs integration that’s a heck of a result on such a dark object!
  10. AstroAdam

    pelican nebula in narrowband

    I love the two jets emanating from the top of the feature I think David's referring to on the right. Apparently caused by the solar wind from a young star behind the dark cloud...
  11. Hi Everyone! It's been a while since I posted any of my images, but I've been working hard to improve my technique over the last year, and combined with the move from DSLR (Canon 1100D) to CCD (Atik 314L - not the plus one ), I've been waiting until I got it all sorted and I was starting to be happy with the results. So here's my first ever bi-colour Ha/Oiii image - The wall region on the North America Nebula in Cygnus. Details as follows:- Camera – Atik 314L Mono Exposure – Ha – 2hr 20mins, OIII – 3hr 15min Filters – Astronomik 12nm Ha Filter, Baader 8nm OIII filter Telescope – Ikharos ED70 f/6 Mount – Skywatcher HEQ5 with Rowan Belt Mod Guidescope – Off-axis Guidecam – SX Lodestar Guide Software – PHD2 Capture Software – APT Stacking and Initial Processing – MaximDL Post-Processing – Photoshop CC and Lightroom CC. For more detail, feel free to take a look at the post about it on my website:- https://www.astrosite.co.uk/north-america-nebula-in-cygnus-bi-colour-narrowband-13-10-18-14-10-18/ With this image, I stacked and combine using Maxim, then re-combined the Ha with the Bi-Colour image as a luminance layer to bring out the detail and reduce the noise. Hope you like it :-) Cheers, Adam
  12. AstroAdam

    Wow!

    Ah! Interesting concept and execution..
  13. AstroAdam

    Wow!

    I would prefer without the car, but I think there's a reason for leaving it in there - i.e. it shows it's upside down - made me thing for a split-second anyway Can't think of any other reason it'd be there, as it's so easy to 'shop out...
  14. Hi DP. I’ll take it if that’s okay? Will PM. Cheers
  15. AstroAdam

    Anyone Image with a C8?

    I've used a C8, and my current LX90 ACF (another 8" Catadioptric scope) for planetary with a 2.5x Barlow and an ASI120MC cam. I have used them for deep sky too, though I only have a mobile setup (not an obsy) so guiding a long FL scope like this is more of a challenge, so I tend to stick to refractors for that. You'd need an F6.3 reducer to speed it up a bit, or it'll take quite a while to collect the photons you need for a decent image, as well as having a very small field of view, and being harder to guide (if you decide to do so). The bump likely knocked it out of collimation if nothing else - it's likely that in the dark, even not covered, it should have no issues (apart form being the normal dew magnet that ANY SCT is ). A dew shield will cover it up anyway.
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