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StuartJPP

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StuartJPP last won the day on December 18 2017

StuartJPP had the most liked content!

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About StuartJPP

  • Rank
    Brown Dwarf

Profile Information

  • Gender
    Male
  • Interests
    Birding and now a bit of astrophotography.
  • Location
    Leeds, UK
  1. I have bought APT and upgraded a few times as well, well worth it. The free version does the majority of what I need it to (other than give me clear skies) but it is still good to give Ivo the equivalent of a six pack of fine beers for his efforts. I tend to not update software on my imaging netbook unless I have to so only really upgrade when I either get a new camera or there's a bug fix that's directly affecting me or there's a new feature I can't possibly live without.
  2. A cracking image, love these galaxy shots.
  3. I agree with above that you should continue. I always remember what a wildlife photographer told me a long, long time ago...."Rather spend the time to get one awesome image than spend the time getting lots of nice images". I think it applies to astrophotography (and many other things in life). Not that I am saying that your image is "nice", it is very, very good, but could be awesome with some colour
  4. Well I had another go at processing, I had totally forgotten that I used to use parts of the DSLR-LLRGB processing method, just goes to show how forgetful I am! I have totally reprocessed this data but not sure if it is any better that the original or not. All I know is that I definitely need more data on this target. @Gorann, I did try Olly's "Inverse Lighthouse" correction method, but it just seemed to smear the stars in my image (perhaps I followed the instructions incorrectly) so decided against using it. Click for a larger version:
  5. I tried the Canon Banding reduction script but somehow it seems to have made things worse. So I didn't use it, I have reprocessed the image completely and can't see any banding, but that doesn't mean it isn't there. Thank you Carole. Thanks, good to be imagining again! I am not being too hard on myself, it just seem that I choose a target and shortly after posting it Olly (or one of the other top imagers) seem to post an image of the same region Thanks Olly! I was aware of the "inverse lighthouse" artefacts on these lenses and Olly's corrections but couldn't find the method to correct them, I will try them when I reprocess the image later... Thank you....
  6. An awesome image Maurice....up there with your usual high standards....
  7. I bought my MGen II off eBay a couple of years ago at an absolute bargain price but to be honest I have hardly used it. I did get it all working and it seemed to be pretty good on the times that I did try it out. I coupled up to the QHY miniGuideScope on my Avalon M-Zero mount. I did briefly have an LVI Camera Smart Guider 2, but just couldn't get on with it. Compared to the MGen II it was severely lacking, especially when it comes to focusing as there's no "live view" like there is in the MGen II. I bought both mainly so that I could go PC/Laptop free, but after getting a small Netbook and being able to run it for the entire night I have parked it for now. I do still intend on using it when I go on holiday to minimise the amount of things I need to carry so it will hopefully get some use in the future. But to be honest I have been spoilt with fast Polemaster polar alignment and plate solving that is not possible with just the MGen II. Also reviewing images and doing quick stacks in PixInsight and APT makes me quite reluctant to change my current setup....plus PHD2 is so much easier to fault find..... Of all the stand-alone guiders I found the MGen II to be well ahead of the rest (at a premium price).
  8. Caused by a cosmic ray. See them often when stacking many subs and looking at what sigma clipping rejects.
  9. I am happy with it, however compared to Olly's it looks like I need to keep at it for a few more outings Anyway, I was in Lincolnshire, ~4 miles outside of Horncastle. Milky way is visible but it isn't super dark there. Broadband LED street lighting. I do have a Unihedron SQM and it was reading roughly 20.87, temperature of about 18C. Whatever that equates to on the Bortle scale I'd have to investigate...hang on....Bortle 4...heading towards Bortle 3 according to Wikipedia.
  10. Love it Olly, makes mine look quite pathetic in comparison....
  11. It's been a long time coming...I have been absent from the DSO game for approximately 18 months due to various reasons (mostly weather!). So this bank holiday weekend looked ideal to dust the kit off and make sure that I can still get my equipment up and running. It wasn't ideal from a temperature point of view as it was a bit too warm, but have to take every opportunity as it comes along and if I didn't capture anything useful at least I could refresh my memory. I didn't have too much trouble getting all set up and then subsequently imaging, mostly due to the fact that all my kit is labelled and ready to go, all the cables are cut to the right length, all the accessories are ready to be attached and my imaging netbook is left well alone. I have no desire to change any kit so my setup is stable and ready to be used when the opportunity arises. Friday night was a bit of a waste as there was quite a bit of thin cloud about but last night was decent. The moon rose half way though my session but I was imaging away from it so it didn't have too much of an impact, though each sub was getting a bit brighter than the previous after a while. Guiding was good and I achieved well below 1" RMS, though not a very tricky target in that respect. Processing is a bit rubbish as I have forgotten so much in this time! Need to practice a bit more often. I have wanted to image the Ghost Nebula alongside the Iris ever since I saw it, but just never got the opportunity. Anyway, enough waffle. Baader modified Canon EOS 6D Canon 500mm f/4 L IS Lens @ f/4 Avalon Instruments M-Zero Mount 50x 5 minute subs @ ISO400 20x Bias 20x Flats No Darks APT for Data Acquisition + Dithering + Framing PHD2 for guiding Thanks for looking.... Iris and Ghost Nebulae (NGC7023 and VdB 141) by Stuart, on Flickr
  12. Haven't had the opportunity to image for the past (circa) 18 months until tonight. Well (touch wood) things have gone quite smoothly and I am surprised how quick I managed to get things up and running again, despite the grey matter fading quickly. Hadn't even switched on my netbook since April but a fresh charge and everything is still there ready and waiting. Need to label a few cables as I was pondering which USB cable went into which slot, but other than that no real problems. Polar alignment was a doddle (DIY Polemaster), guiding (PHD2), goto (Stellariumscope), image acquisition (APT), dithering (PHD2 and APT) and plate solving (APT) all worked fine...first time. I do have all my bits in a single box so if the box isn't empty after setting up I know something isn't connected. I Lso don't update any software on the netbook except for critical updates every now and then. So the question is.....what has gone wrong that I haven't spotted yet
  13. Yes, this is a working farm and you could say that the cows are free-range as the fences have been flattened years ago. As a consequence their range is very far, luckily not around on this particular night. Occasionally there's some horses in this field, there was the last time I went. All a bit unnerving for a city boy like me, they can be a bit daft these animals
  14. It kind of amuses me that I am on the top of a cow pat filled hill at midnight taking a photo of a fairly spectacular noctilucent cloud display and probably 99.9% of the people in the houses captured are totally unaware of it. Taken on 11 July 2019 @ 23:25 Canon 5D Mark III Canon 70-200mm f/4 L IS @ f/4 and 70mm in portrait mode 5 Second Exposures @ ISO 100 6 Frame Panorama Stitched With Hugin. Noctilucent Clouds by Stuart, on Flickr Headingley Stadium can be seen on the horizon (the row of lights). Original file is here (10,018px × 3,448px): Thanks for looking.
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