--- In [email protected], John Mahony <[EMAIL PROTECTED]> wrote: > > --- klauslms <[EMAIL PROTECTED]> wrote: > > > --- In [email protected], John Mahony <jmmahony@> > > wrote: > > > > > > --- klauslms <klauslms@> wrote: > > > > > > > Hello! > > > > I have one Dummy-Question: How to find a position manually by this > > data: > > > > > > I re-arranged your data to show the order it should be entered: > > > > > > > > > > date : Jul. 23, 2007 AD, 2:56:49 pm > > > > > > First, set the date/time in the program to these numbers (use the > > clock icon in > > > the lower left toolbar (not the stopwatch in the upper left toolbar)). > > > > > > > lat : 37°45' long : 122°26' W > > > > > > Click the observatory icon in the lower left toolbar to enter these > > numbers. > > > > > > > Alt : 310°52', Az : 333°28' > > > > > > Then in the top menu bar, click "search>locate new position", and > > enter the alt > > > and az. > > > > > > > field : 0.01° x 0.01° > > > > > > If you really want to zoom in that far, you can enter the "field > > width" in the > > > same place as above (or use the magnifying glass icon in the top > > toolbar). > > > Then click OK in the "locate new position" window. > > > > > > -John > > > > > > Hi John! > > Sorry, i tried all, but I have no success! > > Why I cannot enter more than the alt-data-degree in the search > > toolbar? Entered "310" more entries are not possible. > > Degrees, minutes, seconds are entered in different boxes, so you have to use > the tab key to move from one to the next (or move the mouse cursor and click in > the next box). > > > What about the > > other settings: Rektazension and deklination > > Right ascension and declination is the sky's "natural" coordinate system. The > numbers are fixed on the sky and rotate with it. Altitude-azimuth is a "land > based" coordinate system. These numbers are fixed relative to your location on > earth. So the two coordinate systems are related to each other, but the > correspondence depends on your location, and the time (time is involved, > because RA-dec is fixed to the stars, so this rotates relative to your local > az-alt coordinate system, as the earth rotates). > > So enter the numbers for only _one_ pair of number (the other pair will change > automatically when you enter the first pair). Since you know the time and > alt-az numbers for this particular observation, use the alt-az numbers, not > RA-dec. And make sure you have the time, and your location, set first (oh, and > make sure the time zone is set correctly, for the time you listed in your > original question). > > > and direktion? > > That just determines the orientation of the star field shown in the chart. So > if you were using a refractor or SCT without a diagonal, where everything is > rotated 180 degrees, you could enter 180 to make the chart match the > orientation you saw in the eyepiece. > > > In the end: how to enter the field? I have to enter 0.01 x 0.01 (??), > > but how? > > CdC wants the numbers in units of degrees, arcminutes, and arcseconds, but you > have it in decimal degrees. So you have to convert: there are 60 (arc)seconds > in an (arc)minute, and 60 (arc)minutes in a degree. So .01 degrees is .01 X 60 > = .6 arcminutes, and that's .6 X 60 = 36 arcseconds. So enter the field as > 0°0'36". > > -John > > Thank you. Very difficult stuff, but I will try to understand! Now I have downloaded [EMAIL PROTECTED] It gives an exact desciption of the position (RA and Dec). Maybee the position is easier to find? Observatory is the Arecibo Radio Observatory Kindly regards
Charlyms > > ____________________________________________________________________________________ > Moody friends. Drama queens. Your life? Nope! - their life, your story. Play Sims Stories at Yahoo! Games. > http://sims.yahoo.com/ >
