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mapstar

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Posts posted by mapstar

  1. On 12/09/2021 at 07:25, Physopto said:

    There is no where in easy or short distance to walk from. Probably about a mile  to the nearest safe parking. So I suggest either come in daylight or give us a call when about 2\300 yards away onside lights. We can easily sort out the rest. As long as we know there should be no problems.

    We look forwards to meeting you 😀

     

    Think you missed that Ricky did say he was going to come down in the daytime Derek.

    On 10/09/2021 at 02:46, Ricky Graham said:

    Looking like I may just pop down in the day time with no gear to say hello. 

    Best to check some of us will be around, and probably afternoon best after all the clear skies which are booked in 😁

    • Haha 2
  2. On 09/06/2021 at 09:56, fwm891 said:

    Great  report Alan and thanks for your thoughts in the PM.

    I've now ordered a 16 inch f5 from John Nichol which should arrive in a couple of months. Now working on the base and truss tube ready for the mirrors. I like the look of your mount and can see me 'borrowing' a few pointers. Like others with my 10 inch dob I used an RDF rather than a finder scope plus a low power eyepiece.

    Thanks

    Francis

    Quite an old thread and not seen Alan on here for quite some time. Congrats on the Nichol mirror you will not be disappointed.

    • Like 1
  3. As always Nick a superb report and well documented session.

    I got out myself for 3 hours on Saturday and enjoyed a bit of unplanned star hopping zipping From one side of the sky to the other picking out some old friends. 

    Hope you are keeping well and good to read a report from you. Sadly I didn't make any notes of my session . 

  4. Many thanks for the compliments.

    It's looking good keep up the good work. That mirror looks really nice. 

    I'd like a cnc router for the next builds but don't have the room for one so it'll be done completely manual. 

    The holder was a lot of trial and error but the next should be easier to make now. 

  5. One of my favourite groups to test sky conditions. We looked at this when the mob travelled to the Isle of sky as Calvin says. 

    NGC3735 which is what I use as a guide post to star hop to it. It's about twice the size of all 5 of the HCG 55 galaxies.

    4 definitely but that 5th is really difficult to tease out. I may get out and try for it the next new moon. 

    • Like 2
  6. Sounds like a fantastic build and well done on choosing a Nichol mirror set for this.

    Nice to see new technology making parts for astronomy. I made a similar holder from carbon fibre for a secondary the same size. It weighs a fraction of steel 

    20160206_175811.thumb.jpg.42c8618ed6cd2adf3b5712caa239b533.jpg

    The front lip gives excellent support to the secondary the same as your printed version. 

    Watching with interest as it seems a while since we've had a flurry of build projects 

    • Like 1
  7. On 08/02/2021 at 12:15, estwing said:

    My mirror of choice is plain to see.

    Mine is too 😉

    I've only had a couple of dealings with Orion when I got my mirror coated and bought a secondary from them.

    Overall it was o.k. and the secondary was fine but I did get it tested independently just to make sure. 

    But.......

    The comment made to me about larger mirrors being easy to make and 'you should've just done it this way and you'd have had it done in half the time' was quite disrespectful. Especially when it had taken them 20+ weeks to grind a 20" mirror for someone I used to observe with. 

    If you want a reflector there are other manufacturers out there with great customer service, or just make your own which is much more satisfying 🙂.

    I have a couple more in the pipeline which will eventually grace the pages of SGL. 

    • Like 8
  8. On 22/11/2020 at 23:09, Physopto said:

    Hi Damian,

    I haven't seen Richard for a few years now. I hope he is well and going strong.

    Sutton Bank, you get around 😂

    🔭🔭🔭🔭

    No astronomy Derek just an 8 mile walk, Richard had been taking day time photo's to back up the night time ones he'd taken previously. 

    The light pollution around the North Yorkshire dark sky Park has become much worse he was sorry to inform me. I didn't catch the website he was feeding the info into but it shows the degradation of the skies over a time period. 

    • Sad 1
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