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sloz1664

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Posts posted by sloz1664


  1. Hi Dan,

    I use gain 11 & offset 132, which is the optimum for my ccd camera. I can reduce the stars using various techniques. I was just pointing out that the more imaging time you spend on certain subjects tends to increase the star population.

    Thanks anyway :)

    Steve

    • Like 1

  2. Mu Pulsar observatory sits sandwiched  between a 6" slab of concrete and a damp proof membrane. The dome base is sealed both inside and outside to the membrane/concrete. I have not lined the inside, but have a dehumidifier coupled to a humidistat set at 60%. I have never had condensation, only partial during imaging sessions. The dehumidifier is never overworked and I live aside a 7 acre lake.

    Lake.jpg.93a52471589c12ba77bf74b785d43c22.jpg

    Steve

    • Like 2

  3. 1 hour ago, Dan13 said:

    Hi Steve, i used SNR down to 70% to reduce the green but tbh the blue imo is quite a turquoise look so left it there, but yes maybe down to 60 wouldn't hurt. Starnet ++ is fantastic for stars and can use as a mask as well, so mask the stars and pop the colour in the nebula with messing with star colour. thanks again 

    Dan, did you use Starnet++ to reduce the stars in your image?

    Steve


  4. Very nice image Dan. Try using Pixinsight's SCNR to convert the green into a nice blue. I've also been imaging NGC6992 and have collected over 10hrs of rgb data. I combined the data and was shocked at the amount of stars in the image. The nebulosity was difficult to see. I'll need to reduce the amount of stars to bring out the main subject :(

    Steve

     

     

    • Thanks 1

  5. 49 minutes ago, steppenwolf said:

    If you want the 'Rolls Royce' of lightweight drive chains for the shutter, this is the place to get them but be sure that your sprocket drive matches the pitch.

    Thanks Steve, I'll certainly look into the Reynolds PC chain. Btw I used to visit Reynolds often when I was a young manufacturing Engineer at the Raleigh Cycle Company, many years ago.

    Steve


  6. 17 hours ago, Jkulin said:

    Thanks Martin, she rotates really freely when the motor is disengaged, that was the first thing I checked when we lifted the lid on, Steve hinted that perhaps that I needed to increase the tension, so I'll have a look if I can tomorrow.

    Thanks for the input.

    Hi John,

    Just checked your video footage, and you need to increase the pressure of the gear onto the drive belt. It is amazing how much it flexes. Looking really great though.....Nearly there 👍

    Steve

     

    • Thanks 1

  7. Hi Tony and a very warm welcome to the Lounge 🙂

    Astrophotography is not an easy subject to master and has a large array of disciplines. What area of astrophotography are you interested in ?

    Steve


  8. Hi Matt and a very warm welcome to the Lounge.

    Nice video of Saturn. I'm glad it doesn't move that fast or we'll be seeing it once every six weeks 🙂

    Steve

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