日本 資料
http://www.aerith.net/comet/catalog/2010V1/2010V1.html不過遠離中預測 應該會變暗
但會不會如 17p 開始變亮不知道 ..
http://astroblogger.blogspot.com/2010/11/bright-new-comet-in-virgo.html[2010V1]
name = C/2010 V1 Ikeya-Murakami
parent = Sun
radius = 24
oblateness = 0.0
halo = true
color = 1.0,1.0,1.0
tex_halo = star16x16.png
tex_map = nomap.png
coord_func = comet_orbit
orbit_TimeAtPericenter = 2455488.31671
orbit_PericenterDistance = 1.71541
orbit_Eccentricity = 1.0
orbit_ArgOfPericenter = 155.076
orbit_AscendingNode = 5.844
orbit_Inclination = 8.913
lighting = false
albedo = 1
sidereal_period = 365.25
Here is the celestia file, but frustratingly it gives entirely the wrong position for the comet:
===============================================================
"Ikeya-Murakami:C/2010 V1" "Sol"
{
Class "comet"
Mesh "borrelly.cms"
Texture "asteroid.jpg"
Radius 2.2
#InfoURL "
http://www.solarviews.com/eng/borrelly.htm"
EllipticalOrbit
{
#Epoch 2455505.5
Epoch 2455488.31671 # 2010 Oct. 18.817 UT
Period 5.49
SemiMajorAxis 3.11206192
Eccentricity 1.0
Inclination 8.913
AscendingNode 5.844
ArgOfPericenter 155.076
#MeanAnomaly 358.956091
}
UniformRotation
{
Period 25
Inclination 90
AscendingNode 315
}
Albedo 0.04
}
觀星論壇 
