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peter shah

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Posts posted by peter shah

  1. I have to agree with Martin....A beautiful image detail lovely with nice and sharp stars . Colours in the central regions look perfect, but the outer areas seem  a little too forced for me, the adjust seems to have run over into some of the outer stars too causing them to have bright red halos

  2. 13 minutes ago, tooth_dr said:

    That’s a shame Peter.  What’s the problem with it ?

    Moisture on the sensor has left a stain across it....It just needs the sensor cleaning and re-purging....not difficult to do....just a pain to get it done!.

    • Like 1
  3. Thank you for your comments. It was a crop from a wider field...I did have to deal with a big artefact which is actually on the sensor. It wouldn't calibrate out so the camera has got to go back to Moravian to fix it which is a bit of a pain.

     

    M82 Repair Job.jpg

  4. M82 imaged with another one of the scopes I have built in Spain,  taken in RGB and Ha, with the 17inch Planewave, L500 mount. Moravian 16803.
    All 5min unguided subs. just over four and a half hours each in RGB and nearly 6hours in Ha giving a total of 19 and a half hours. Cropped from the full frame.
    Processing in Pixinsight, Photoshop and Lightroom.
    Thanks for looking
    Peter Shah

     

    M82-crop.jpg

    • Like 29
  5. 1 hour ago, Chefgage said:

    Actually no. I have stopped using darks as I cannot see any real difference when I use them. I have read a few threads on here of people saying not to bother with darks when using a DSLR as it is not cooled therefore there can be a wide temperature difference over the taking of the light frames so the darks will not be effective or could make it worse. I have tried using darks with my canon 200d and then not using them and I cannot really make out any difference so I have stopped taking them.

    I stopped using Darks on My old H35 as it doesn't have setpoint cooling....I found it could actually damage the signal in certain circumstances, I rely on a good heavy dither combined with a good reject stacking algorithm and some cosmetic correction in PI. However all of the other cameras with setpoint cooling I absolutely do use them as they do seem to make a big difference.

    • Like 2
  6. 3 hours ago, Magnum said:

    Excellent images Peter

    Did you use a filter for Barnard 7 with the OSC, if so which one?

    also how dark are your skies on the Bortle scale?

    cheers

    Lee

    Thanks Lee, I thought about a filter in on this rig but decided to try without first, but the skies there are about Bortle 2.5-3 depending on the conditions

    1 hour ago, Stardust said:

    they are stunning images, would love to get 147

    Thank you... Its been on my bucket list for a while... I started it a few years back with my AG12 but the focal length was so long the amount of frames need to get it all in was just too much.......the FSQ106 with a reducer and the full frame chip is just perfect for it.

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