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Thread: Celestron Nexstar 8se questions!?

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    Default Celestron Nexstar 8se questions!?



    Hey there,

    i recently got the Celestron Nexstar 8se and till now i am only able to view the moon. Am i doing something wrong? I have the Celestron default 1.25" 25mm EP and had gotten the Celestron EP kit with the scope. After i align my telescope with the moon, i try touring many things in the sky including Ring Cluster and Many Messeirs, but still unable to see anything except a few lightly blurred stars. I tried changing th EP from 25mm to 13mm to 8 mm, but still unable to see anything. I live in a urban area in Atlanta Ga, would that be an issue or do i need more accessories to view other objects? P.S. i couldn't see other planets because they are out of range and the fence and houses are coming in between. Any help would be appreciated, thank you!

    Cheers,
    Rahil

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    Default Re: Celestron Nexstar 8se questions!?

    Keep in mind the moon will have a different focus point to stars.
    So when moving away from the moon to a star you will need to refocus.

    If you are doing this and the image
    remains blurred then you will need to check the collimation on your scope.

    Your scope will show you plenty of DSO when properly set, so keep trying and let us know how you go.
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    Default Re: Celestron Nexstar 8se questions!?

    Lightly blurred stars does sound like you are not focused. With the 25mm eyepiece in the scope, adjust the focus until the stars become the tightest pinpoints that you can achieve.

    Look for globular and open clusters such as M13, M92, and M67.

    There are a lot of Messier galaxies available right now. However, galaxies do not play well in the moonlight. You are also likely hampered to an extent by the light pollution of Atlanta. It is a big bright city and that can impact the view as well.

    You’ve got a great scope. Try the focus first and let us know what happens.
    Bryan

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    Default Re: Celestron Nexstar 8se questions!?

    You need to make sure that your GoTo option works well. 8" SCT is a great instrument but it has relatively narrow field of view. If GoTo alignment slightly off you can easily miss the target.

    Since you have Celestron EP kit use 32mm Plossl to find the targets, it will provide the widest views. After GoTo alignment is completed try to find a few bright stars and adjust alignment after each if necessary. Then try some bright Messiers, globular or open clusters as Bryan suggested.

    Also, don't expect images like in astronomy books. Even in good telescope most of DSOs look like little fuzzy spots or small groups of stars.
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    Default Re: Celestron Nexstar 8se questions!?

    Quote Originally Posted by Rahilsurani View Post
    Hey there,

    After i align my telescope with the moon, i try touring many

    Cheers,
    Rahil
    By "align my telescope with the moon", do you mean you are using the Solar System alignment routine? If so, I would suggest trying Auto 2 Star or 2 Star alignment routines instead. I think that you will have a greater chance of getting an accurate alignment. Here are a couple of links to someone who had difficulty getting good alignments with his Celestron SE until he found a methodical approach that gave him consistently good alignments.
    Best alignment process for the Celestron NexStar 8SE – The Writing Life of a Tadpole
    Solving alignment problems with the Celestron NexStar 8SE – The Writing Life of a Tadpole

    Here is one of a number of YouTube videos on alignment: https://www.youtube.com/watch?v=QRB1ngnVswY
    Gene

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    Default Re: Celestron Nexstar 8se questions!?

    To add to what has already been said . . . The moon is a big object to align on. Working out where the centre of the moon is, and getting it wrong can make a big difference to the alignment. Try aligning on a star near to the object you want to to view instead. eg. If you want to see the Ring Nebula, align on Vega. If you are only using 1 object to align on make sure the telescope tripod is as level as possible.

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    Default Re: Celestron Nexstar 8se questions!?

    Thank you all for the suggestions! i did use the auto 2 star align and it helped me look at more objects such as jupiter and saturn. it was mind blowing! i am soon gonna try deep space object as i am gonna take it to a astronomy village!

    Cheers,
    Rahil
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    Default Re: Celestron Nexstar 8se questions!?

    My daughter lives in Atlanta and I took my telescope with me when I visited her last month. Have you tried using your scope in the daytime? My daughter has a view of downtown Atlanta off of her 5th floor balcony. We had fun looking at various buildings during the day. If you tried that it would give you some practice in focusing your telescope.
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