Re: Got a Telescope, Now What?
- From: "John Nichols" <bejay@xxxxxxxxxxxxxxxx>
- Date: Thu, 21 Sep 2006 17:51:06 GMT
"Lauren the Ravishing" <lauren_the_ravishing@xxxxxxxxx> wrote in message
news:1158858182.797008.112480@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Hi again,
I picked up "Turn Left at Orion," and "Sky & Telescopes Pocket Sky
Atlas," recommended by Dave and others. I'm going to pick up a
planisphere since the Sky Atlas doesn't provide the wide view.
It appears that I'm going to need a different finderscope. It's very
difficult to simply center in on a specific point in my living room so
I can imagine the frustration of aligning it for real use. I also
noticed that the cross-hair target shifts as my eye moves off center
from the eye piece, adding more frustration. What finderscopes do you
recommend? What are features I look for?
I'd also like to find out more about the 1x LED finders, such as The
Rigel Quickfinder, as Dennis suggested. Will this complement or replace
a finderscope? It seems obvious that the first priority in sky watching
is being able to find the object, and where I should first put my
money, but these two items alone could equal the cost of the scope.
Does it make sense to spend as much money on the tires as the car?
Regarding the telescopes counterweight. It seems ok as far as I can
tell. I can pivot to any position without much of a problem, except for
the front/back elevation.
I'm not sure I fully understand the EQ mount. There are two fine
adjustments for Right-Ascension and Declination. One of them (the RA?)
only adjusts to a range of 15 to 20 degrees. And there's a big screw
that raises the front to back tilt from 0 to 90 degrees. It seems odd
that the front to back tilt has such a clumsy control. Is this
something that gets set only once for the evening depending on latitude
and then only the RA and Dec positioning are required? I'm gathering
that I need to align the mount with Polaris - for example, setting the
big screw to a height of 40 degrees latitude in NY, and positioning the
12:00 RA to also align with Polaris. Some clarity here would be greatly
appreciated.
I downloaded RTGUI last night (suggested by Robert). That combined with
SkyGazer software makes mapping out a plan easy.
Walking home last night I noticed a distinct pattern of bright stars.
When I got home I downloaded RTGUI and got a suggestion for M31 -
Andromeda. I located M31 in the SkyGazer software and noticed that it
was close to the zenith, and that I could visually navigate to it by
lining it up with that distinct pattern of stars I saw earlier - which
I learned is Cassiopeia. So Andromeda will be my first target tonight
if sky conditions are right.
I also downloaded the free Stellarium, which is visually very nice but
has a crucial flaw; the celestial sphere doesn't pivot around Polaris
but some other arbitrary point. Another annoyance is that the time zone
setting isn't clear, I think it showed me a sky that was a few hours
ahead.
Many thanks,
~ L
.
- References:
- Got a Telescope, Now What?
- From: Lauren the Ravishing
- Re: Got a Telescope, Now What?
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- Got a Telescope, Now What?
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