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Thread: Newbie issues with new scopes

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    Default Newbie issues with new scopes



    So my wife and I bought each other new scopes for Christmas and have used em 3 different times and have enjoyed them but have some issues we need some advice on...

    I have am Orion AstroView 90mm Equatorial Refractor Telescope, and once I get an object in view with my 25mm eyepiece, if I switch to my 10mm or put in my 2x barlow, I lose the object? tried focusing etc. and seem to still have issues? What am I doing wrong? lol

    Now my wife has Orion StarSeeker IV 127mm GoTo Mak-Cass, and she has a couple issues. One is that the silly EZ Finder II is not very easy to use. Like Friday night, it was rather damp out and the thing kept filling up with dew and making it hard for her to align the thing, and also to our North east, there is a darn street light, and most of the stars the thing was wanting us to align it too were in the Northeastern sky and was very hard to see them....anyway, I think I may upgrade her finder scope when I can afford it (Christmas recovery right now lol), but trying to help her best I can so she doesn't get discouraged.

    Jeff
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    Default Re: Newbie issues with new scopes

    If your mount (EQ) has a decent polar alignment you should be able to find your target again fairly quickly by just moving it in RA.
    As you increase the magnification the TFOV will be reduced so you will have to look for your target.
    you should be able to see it in the finder to recenter if needed.

    Depending on what alignment routine you are using there should be an option to pick a different star to align to, check your manual.
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    Refractors: Antares 105 f/15, Celestron 150 f/8, Stellarvue NHNG 80 f/6.9, TAL 100RS f/10, TS 102 f/11, UR 70 f/10, Vixen SD115s f/7.7
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    Default Re: Newbie issues with new scopes

    I highly recommend mounting a green laser to use instead of (or in addition to) a real finder scope. I'm not familiar with your scopes, but usually for alignment purposes the software chooses relatively bright and easy to find stars. Usually the scope will get close to it's target but not right on it. A laser is so much easier to use to guide the scope for the final tweak. I've removed my finder scope altogether and use the laser exclusively. Be sure to up the magnification slowly and be sure that the target is centered in the scope before increasing the magnification.
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    Default Re: Newbie issues with new scopes

    If you have an object centered in view when using your 25mm EP but it is gone when you put in your 10mm, there are two possibilities. One, if it takes you a longish amount of time to complete the replacement, the object will have drifted out of view due to the rotation of the earth. Or you could be moving the scope while switching EPs. It won't take a huge movement to put the object out of the field of view, which is smaller with the higher-power EP as Gabby says.

    Have you been polar aligning your scope? If you haven't or you don't know what that means or why you should do it, let us know and we can explain.
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    Mary

    Scopes: Vixen VMC200L, D=200mm, F=1950, f/9.75; Televue 2" Everbright diagonal. Coronado PST; AstroTech EDT 80mm, F=480, f/6. Mounts: Vixen SXW/Starbook (original); Stellarvue M2C alt-az. Eyepieces: Televue: 55mm Plossl, 22mm Panoptic, 17.3mm Delos, 13mm Nagler, c. 1980, 11mm Plossl, 7mm Nagler; Meade 15mm Super Plossl; VERNONSCOPE 2.4X
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    Default Re: Newbie issues with new scopes

    Quote Originally Posted by Voyageur View Post
    If you have an object centered in view when using your 25mm EP but it is gone when you put in your 10mm, there are two possibilities. One, if it takes you a longish amount of time to complete the replacement, the object will have drifted out of view due to the rotation of the earth. Or you could be moving the scope while switching EPs. It won't take a huge movement to put the object out of the field of view, which is smaller with the higher-power EP as Gabby says.

    Have you been polar aligning your scope? If you haven't or you don't know what that means or why you should do it, let us know and we can explain.
    I sure have on the polar aligning.
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    Default Re: Newbie issues with new scopes

    A laser is not a conventional finder in the strictest sense and people need to understand the regulations of using one in an urban environment before using one.
    Red dot and conventional optical finders are much easier to use without any federal/ state/ municipal hassles.

    I do have a green laser but it is only used during outreach to point out objects to groups of people.
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    Default Re: Newbie issues with new scopes

    Congratulations on the new scopes. Don't worry, you'll get the hang of it soon.
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    Default Re: Newbie issues with new scopes

    Quote Originally Posted by ruckmanite1 View Post
    I sure have on the polar aligning.
    Sounds like you are doing everything right. You just need a little more experience. If the mount is polar aligned, even if the object has moved out of sight, you only need to tweak the RA slow motion control to get it back. You don't need perfect polar alignment for visual; I usually just ballpark it with a compass and don't bother with the polar scope on my mount.

    I do use a green laser pointer on my alt-az scope. I exercise great caution with respect to possible aircraft. I live in a place where air traffic is minimal even during the day, but you can't be too careful. With a manual alt-az mount, the laser makes sense: I manually point the scope toward the object I am trying to find and then quickly home in with the laser. In this way, the laser only needs to be on for a second or two. I can move the mount with one hand and toggle the laser on and off with the other hand.

    I don't use the laser on my GOTO EQ setup. Instead, I use a Telrad. It doesn't matter how long it takes to zero in on an object when using the Telrad. A GLP on a motorized EQ mount could be dangerous unless the user is extremely adept at homing in with the hand controller in one hand with the other hand on the laser. I would never leave the laser on by itself while I am working the hand control, which for me is a two-handed job. I'm sure some people are more adept than I; you may be one of them. Just use caution and common sense.
    Mary

    Scopes: Vixen VMC200L, D=200mm, F=1950, f/9.75; Televue 2" Everbright diagonal. Coronado PST; AstroTech EDT 80mm, F=480, f/6. Mounts: Vixen SXW/Starbook (original); Stellarvue M2C alt-az. Eyepieces: Televue: 55mm Plossl, 22mm Panoptic, 17.3mm Delos, 13mm Nagler, c. 1980, 11mm Plossl, 7mm Nagler; Meade 15mm Super Plossl; VERNONSCOPE 2.4X
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    Default Re: Newbie issues with new scopes

    I wanted to revisit this and update you guys on what we did last night. We took out my wife's Mak Cass with the goto mount, and apparently we had put in +6 hours gmt instead of -6 gmt ( we are in the U.S. in central time zone)....once we corrected this, we were able to do a 2 star alignment and got to view some objects and had a great time with her new scope. Thanks for everyone's input!!

    Jeff

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    Default Re: Newbie issues with new scopes

    Glad you figured that out! All part of the fun of this hobby...
    Mary

    Scopes: Vixen VMC200L, D=200mm, F=1950, f/9.75; Televue 2" Everbright diagonal. Coronado PST; AstroTech EDT 80mm, F=480, f/6. Mounts: Vixen SXW/Starbook (original); Stellarvue M2C alt-az. Eyepieces: Televue: 55mm Plossl, 22mm Panoptic, 17.3mm Delos, 13mm Nagler, c. 1980, 11mm Plossl, 7mm Nagler; Meade 15mm Super Plossl; VERNONSCOPE 2.4X
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