Jump to content

sgl_imaging_challenge_6_banner_jupiter_2021.jpg.eacb9f0c2f90fdaafda890646b3fc199.jpg

 

 

what eyepicece for saturn


Recommended Posts

i took a pic of saturn last night 17/04/11 about 04.00

my first picture of saturn

skywatcher 150p relector telescope taken with 10mm eyepiece no filter

camera panasonic DMC-FS9 Campact

have use the wrong eyepiece i tryed the 2*barlow lens could not see saturn only seen in 10mm eyepiece

post-25019-133877565219_thumb.jpg

Link to comment
Share on other sites

The 150P has a focal length of 750mm so the 10mm eyepiece will give you 75x magnification, using a barlow will double that but will (as you found) reduce the field of view and really needs tracking to get a good shot.

To get really large images of the planets you need a scope with a long focal length so that you can get the high magnification to do so. This is where Scmitt or Mak's come into their own.

Link to comment
Share on other sites

I'm not an imager but I believe it is best to webcam the planets and moon for two reasons. The first is as they are bright objects, long exposures are not required to capture faint light that is associated with galaxies and nebula etc. Secondly, because the magnification required to show them of sufficient size in the eyepiece, will also reveal our turbulent atmosphere which will cause the image to distort and moved around preventing precise focus and a still image. Hence the need for a webcam as many frames can be taken quickly and using a program like "Deep Sky Stacker" (which is free) will stack the best frames on top of each to construct a good composite image. It is possible to take a picture for example of the moon with one frame if you happen to release the shutter are precisely the correct moment but I suspect that you might be attempting that all night. You might want to post a question over on the imaging section for a more qualified answer or some tips on how to improve your magnification.

Clear skies

James

Link to comment
Share on other sites

thanks guys for adivice ect i as isues with legs back i cant go to heavy,i am keeping for how i want to astrophotos so will need Scmitt or Mak'sup to in the a year or so , i try the 2+ barlows lens + 25m lens last night i have street lights where i look at Saturn which does not help

took this movie on youtube

Link to comment
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now
 Share

  • Recently Browsing   0 members

    No registered users viewing this page.

×
×
  • Create New...

Important Information

We have placed cookies on your device to help make this website better. You can adjust your cookie settings, otherwise we'll assume you're okay to continue. By using this site, you agree to our Terms of Use.