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carastro

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carastro last won the day on July 18

carastro had the most liked content!

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About carastro

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    Red Dwarf

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    https://sites.google.com/site/caroleastroimaging/home

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    North Kent/SE London
  1. carastro

    The Dark Shark

    Well done Peter, nice and smooth - at least you have got it. I will have to wait for my next astro camp trip so i can get to some dark skies to start this. As you said at Kelling it looks like a large target. As a personal preference I would increase the colour slightly. Carole
  2. I would recommend an HEQ5 and Skywatcher 130PDS as starting kit with the Skywatcher finder converted into a finderguider with one of the dedicated mono guide cameras. Or if you are a refractor person, and don't like collimation, or defraction spikes, a small refractor such as the SW ED80 would be a good starting scope. I would recommend the WO refractors as the optics are great but some models come with some design mounting problems for imaging such as the soppy short foot, and no place to mount a guide camera, but if you are handy with these sort of things, they would work well too. If you have enough money in the pot, I would also recommend a mono CCD camera, but this comes with additional expense of a filterwheel and filters and a bigger learning curve, but that being said I find them much easier to use than a DSLR from the point of view of being able to actually see what you are imaging, with a DSLR you can only see the brightest magnitude stars on live view, whereas a mono camera will even let you see your nebula if you get the settings right. Many people cut their teeth on a DSLR (as I did), and this comes with instant colour, no cooling but is less sensitive than a mono CCD and will show less detail, plus the Mono CCD enables narrowband imaging, which shows up much data not visible in broadband and is good in LP locations. HTH Carole
  3. I have the SW ED120 the gold version. It's been a real workhorse, I like the design but it's only F7.5. Maybe the Esprit is faster. Carole
  4. The hook up is for camping, but if you want to get it to use as a safe outdoor cable you can use something like this, then add a 13amp adapter to it to plug in in the house and that will have the RCD protector on it too. That way if you wanted to go to an astro camp at a later date you will already have your hook up. https://www.ebay.co.uk/itm/Camping-Tent-Mobile-Mains-Electric-Power-Supply-Hook-Up-Unit-with-RCD-15m-Lead/202315702357?epid=20021063577&hash=item2f1af4a055:g:B5sAAOSwCGha~aH7 13amp adapter https://www.ebay.co.uk/itm/Crusader-UK-Mains-Converter-Lead-CARAVAN-CAMPING-13-amp-HOOK-UP-POWER-ADAPTER/273091605836?_trkparms=aid%3D555017%26algo%3DPL.CASSINI%26ao%3D1%26asc%3D20151016114640%26meid%3Daab2b81ebe4c4641a796082089f26138%26pid%3D100507%26rk%3D1%26rkt%3D1%26%26itm%3D273091605836&_trksid=p2045573.c100507.m3226
  5. This is my set up (dual rig so two scopes and cameras). When set up on grass I also put a tarpaulin down between the plastic box and laptop in case any of my USB extension leads end up trailing on the ground. the hook up is in the dark blue bag behind the white plastic box. At night I put the plastic box lid on top (I made a small hole under the lid to allow a few cables to pass through. Put the Hook up on top to weigh it down and stop the wind blowing it off, and then put a decent scope cover over the top. Never had a problem even when it has rained. You'll also notice I put my laptop inside a plastic box which has flaps so i can close them whilst the rig is running unattended. This also helps to keep the dew and damp off the laptop. In my observatory I don't need to take these plastic box precautions.
  6. Forgot to mention my Mount power lead is similar to the ones suggested above at FLO. Carole
  7. I must admit, in my observatory the mains power is RCD protected. When I am at camp I am using a Hook up which is RCD protected, and I put a large plastic box underneath the mount and put all my electrics into that box to help keep the damp off them. Never had a problem over 8 years. I leave everything out all night covered when I go to bed. Carole
  8. Actually if you have mains power you can also power your dew heaters from this too, I run everything from mains. Dew heaters run off a 12V adapter. So the mains power needs to be split. My system is mains power with a 4 port extension lead. 1. Mount is plugged into one port 2, 12V adapter into the 2nd port (this goes to a 12V splitter) (See below). 3. 3rd port is for my laptop. 4: Spare 12V splitter powers: a) Dew heater hub b) Astro camera c) Filterwheel HTH Carole
  9. carastro

    Cocoon and Dust

    I just zoomed in to look at the nebula more closely and it is stunning. You should post up a CROP of the Nebula as well. Carole
  10. Yes, using a mask is the simplest way to do it. The Simple Y mask suggested above or a Bahtinov mask which many of us use. You need to focus on a bright star and then lock the focus. Move to your target and the focus will be the same. Carole
  11. I use Artemis capture and love it. Any problems, send me a message. I have just started doing video tutorials, so if you get stuck I might be able to do one on that, though it won;t be quite as good as having a live sky. Carole
  12. I enjoyed all of it including the accompanying music. Carole
  13. Oh I forgot, but it's probably irrelevant now. The focus used to slip on my Megrez 72 which as a beginner nearly drove me mad as I couldn't understand why my images were going out of focus when I knew I had focussed and tightened the nut. I was reassured before I bought the WOZS71 that this slipping issue had been fixed by WO and they guaranteed it would not happen with the WO71 - which is hasn't I am relieved to say - but might be one more thing worth mentioning when you speak to the retailer. Carole
  14. carastro

    NGC6744 - What to do?

    If you are only able to image for an hour before the target drops below the horizon, then this will be another factor, as you are imaging through a thick bit of atmosphere. You would be best to wait until it is higher in the sky. Carole
  15. I use a WOZS71, but don't expect anything too technical from me. I find the optics to be very good and faster than my SW scopes. My gripes with the WO scopes I have used (I previously owned a Megrez72) is that mainly of design. a) Neither of mine came with a finderscope or mounting brackets and therefore mounting a finderscope/finderguider caused me some problems. (I think some models do have these though). b) They came with a silly little foot which gives little movement in order to balance, so had to mount it on a longer dovetail. c) With the longer dovetail on, there was hardly any room to get my fingers in to tighten or untighten the focus locking nut. (It is possible to get around this by mounting the scope upside down). d) The retracting Dew shield has on odd occasions retracted during an imaging run taking the dew heaters with it so it was heating the wrong place. I still use this scope as I love the optics, but these days I mount it piggy back on my ED80 in a SW Guidescope mount.
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