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  1. P

    Visibility of Orion's nebula?

    I have a reflection 114mm aperture 900 mm focal length telescope. i want to nebula and i know that the best filter to use is say the Orion skyglow. i just don't have the cash for it right now. Is there a coloured filter that i can use to improve the visibility of Orion's nebula? as all i can...
  2. P

    Visibility of Orion's nebula?

    I have a reflection 114mm aperture 900 mm focal length telescope. i want to nebula and i know that the best filter to use is say the Orion skyglow. i just don't have the cash for it right now. Is there a coloured filter that i can use to improve the visibility of Orion's nebula? as all i can...
  3. P

    Visibility of Orion's nebula?

    I have a reflection 114mm aperture 900 mm focal length telescope. i want to nebula and i know that the best filter to use is say the Orion skyglow. i just don't have the cash for it right now. Is there a coloured filter that i can use to improve the visibility of Orion's nebula? as all i can...
  4. P

    astro photography with a compact camera?

    I have a small compact camera, i don't want to take the best pics, just a few for my own use. can i put the lens of my camera into the eye piece barrel of my telescope and hold it there with the screws and take pictures. remember i'm not looking for the best pics, i know about all the fancy...
  5. P

    Visibility of Orion's nebula?

    I have a reflection 114mm aperture 900 mm focal length telescope. i want to nebula and i know that the best filter to use is say the Orion skyglow. i just don't have the cash for it right now. Is there a coloured filter that i can use to improve the visibility of Orion's nebula? as all i can...
  6. P

    How do i work out how many varieties of numbers?

    Just for interest sake. the lotto here is SA works with 6 number (disregard the bonus ball) each number can be between 1 and 50 and no number can be repeated twice in the same set of numbers. How would i work out how many sets of possible numbers there are.
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