maps for comet panstarrs. lemmon, ison and asteroid 2012da14

Coldfieldboundary
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Proto Star

11 years 2 months ago #96671 by Coldfieldboundary

Replied by Coldfieldboundary on topic Re: maps for comet panstarrs. lemmon, ison and asteroid 2012da14

hi Dave, never use a planetary program to let show the path of the asteroid, since all programs use Orbit Elements, but these mathematics are not suitable for very near passing objects, so it even isn't an error of the programmer. Use the MPC or JPL sites for the correct values. And draw yourself the positions on a star chart delivered by your program.

Following correct positions are from the MPC site, 53 N and 7 W is chosen, someone further in Ireland will only have some 15 arcmin shift maximum.

good luck to everyone!

In UT, the R.A., the Dec., the magnitude and the height:

Code:

02 15 20h15  12 13 20.3  +22 24 00     7.5   +12   
02 15 20h30  12 16 40.1  +31 20 52     7.8   +20 
02 15 20h45  12 20 03.9  +39 00 36     8.1   +28  
02 15 21h00  12 23 31.8  +45 28 01     8.4   +34  
02 15 21h15  12 27 03.9  +50 52 48     8.6   +39  
02 15 21h30  12 30 40.4  +55 25 22     8.9   +43 
02 15 21h45  12 34 21.4  +59 15 10     9.2   +46  
02 15 22h00  12 38 07.3  +62 30 15     9.4   +49  
02 15 22h15  12 41 58.5  +65 17 03     9.7   +51 
02 15 22h30  12 45 55.1  +67 40 45     9.9   +53  
02 15 22h45  12 49 57.7  +69 45 26     10.1  +54  
02 15 23h00  12 54 06.6  +71 34 21     10.2  +56 
02 15 23h15  12 58 22.4  +73 10 03     10.4  +56 
02 15 23h30  13 02 45.5  +74 34 39     10.6  +57   
02 15 23h45  13 07 16.5  +75 49 46     10.7  +58  
02 16 00h00  13 11 56.0  +76 56 48     10.9  +58  
02 16 00h15  13 16 44.5  +77 56 50     11.0  +58   
02 16 00h30  13 21 42.8  +78 50 48     11.1  +58  
02 16 00h45  13 26 51.5  +79 39 28     11.2  +59  

The following user(s) said Thank You: mykc

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dave_lillis
Topic Author
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Super Giant

11 years 2 months ago - 11 years 2 months ago #96679 by dave_lillis

Replied by dave_lillis on topic Re: maps for comet panstarrs. lemmon, ison and asteroid 2012da14

well, I've often used starrynight with my lx200 to track satellites in the eyepiece, works perfectly most of the time, so I figured that it would work just as well for an asteroid.
Ran starrynight again today and did another tle update, the tle file now seems to produce the correct path for the asteroid, tallies up fairly well against the heaves-above plot, the link in the top post is now corrected, phew :laugh:

I'd have to leave the country if people missed the event cos of my incorrect map !! :stooges:

Dave L. on facebook , See my images in flickr
Chairman. Shannonside Astronomy Club (Limerick)

Carrying around my 20" obsession is going to kill me,
but what a way to go.

+ 12"LX200, MK67, Meade2045, 4"refractor

Last edit: 11 years 2 months ago by dave_lillis.

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flt158
Away
Super Giant

11 years 2 months ago - 11 years 2 months ago #96682 by flt158

Replied by flt158 on topic Re: maps for comet panstarrs. lemmon, ison and asteroid 2012da14

What a pity DA 14 wasn't happening tonight (Thursday). Valerie and I were heading for an Indian restaurant and we saw a lovely crescent Moon and the ISS passing just south of it. When we got home, we could see Cor Caroli and Chara with the unaided eye and clear skies all around.
I haven't heard yet if the Dublin Sidewalk Astronomers are heading for Sandymount tomorrow night.

Aubrey.

Last edit: 11 years 2 months ago by flt158.

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maps for comet panstarrs. lemmon, ison and asteroid 2012da14

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