新發現彗星 ROB001 (SWAN)

[peter]

 https://groups.yahoo.com/neo/groups/comets-ml/conversations/messages/24462

comet discovered by Rob Matson and Michael Mattiazzo in SOHO SWAN images. It is about 11 mag now.


http://www.minorplanetcenter.net/iau/NEO/pccp_tabular.html

ROB001

https://twitter.com/sungrazercomets


http://www.itelescope.net/sky-alerts

[peter]

這顆還不知道軌道

不過被發現是 11~13等應該算比較亮

先前很多彗星都是 18等被找到 , 是否這顆比較亮???

[王朝鈺]

有沒有預測的光度曲線啊?

希望來顆大的!!!

[peter]

Orbital elements:  ROB001

   Perihelion 2015 Mar 4.455681 +/- 8.82 TT;  Constraint: e=1

Epoch 2015 Feb 26.0 TT = JDT 2457079.5   Earth MOID: 0.2346   Ve: 0.0224

q   0.71180127 +/- 0.225            Ur: 0.5991                Find_Orb

H   12.2  G 0.15                    Peri.  333.87525 +/- 36

                                    Node    49.45577 +/- 5.4

e   1.0 +/- 0                       Incl.   94.58183 +/- 6

18 of 20 observations 2015 Feb. 25-27 (39.2 hr); mean residual 0".470

https://groups.yahoo.com/neo/groups/comets-ml/conversations/messages/24471

[大瘋起嘻]

值得期待！

[peter]

C/2015 C2 (SWAN)

http://www.minorplanetcenter.net/mpec/K15/K15DB0.html

[曹大貓咪]

Zzzz……

一位同好觀測此彗星亮度……

I managed a visual observation of the comet tonight.
This is a tiny object and perihelion survival is questionable, unless it is
periodic.

2015 Feb 26.43 UT: m1=11.5:, Dia=1.5’, DC=3...20cm L x130...Michael
Mattiazzo (Swan Hill, Victoria)
[Altitude 13 degrees. Moonlight interference. Coma appears slightly
condensed but quite small]

[peter]

c/2015 c2 發現

https://groups.yahoo.com/neo/groups/comets-ml/conversations/messages/24488

不知道有沒機會變亮???