Re: SAA: Mars impact - how big a scope required?

On Fri, 28 Dec 2007 23:11:47 -0600, Rose Quartz <heehaw@xxxxxxxxxxxxxx>
wrote:

The asteroid in question is said to be mag 24. How large a
scope is required to see it visually?

Pretty big. Roughly 10-20 meters? You could image it using a CCD camera
with a fairly small aperture, however.

_________________________________________________

Chris L Peterson
Cloudbait Observatory
http://www.cloudbait.com
.

Relevant Pages

  • Re: C11 collimation woes
    ... but I want to use the scope both for planets and DSOs becasue I think it will be ... Jupiter, visually, for about forty years, and can say with complete ... conviction that you are troubled, here, by seeing problems, the planet ... Furthermore, the larger aperture scope, with probably a larger ...
    (sci.astro.amateur)
  • Re: 8" SCT v. 11" SCT
    ... But I would never recommend an 18" Dob. ... as a slow progression up the aperture fever ladder. ... I don't go out of the yard often enough to focus on a scope that best suited ... >> under dark, transparent sky conditions. ...
    (sci.astro.amateur)
  • Re: 5" or 6" refractor
    ... A planetary scope begs for a mount that tracks, ... well as have enough aperture to make globulars stand out, ... than 1 arcsecond seeing with a larger than 4.5" aperture scope. ...
    (sci.astro.amateur)
  • Re: 8" SCT v. 11" SCT
    ... Doink ... > "Disappointing" is a highly subjective term. ... as a slow progression up the aperture fever ladder. ... > of settling on the right scope. ...
    (sci.astro.amateur)
  • Re: Moon Study Attn: Chris p
    ... your Dobsonian mounted scope into an equatorial mounted scope for a ... unobstructed scope of the same aperture, ... The reason I recommended a Newt (and I'd go further, ... The larger obstruction of the SCT ...
    (sci.astro.amateur)