C/2007 N3 (Lulin)


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Discovered on the Lulin Observatory by Ye Quanzhi and Chi Sheng as an asteriodal object on July,11 2007.
A week later J
. Young, USA noted a small coma around the central part of the comet.

The latest IAU telegrams or the latest CBET's. IAUC Astronomical Headlines.

Minor planet center's orbital elements and Ephemeristhe comet on Seiichi Yoshida's Homepage, Gary W. Kronk's Cometography
Light curves on Cometas ObsJPL Small body database


Analyses of the young Chinese co-discoverer of the comet, Ye Quanzhi you find on his homepage.
Michael Mattiazzo is predicting an "edge-on" view to the comet at its best visibility. --> Yohoo Comet images Group message
This means the comet could become brighter than expected with a several degrees long tail at the end of February. (Flyby of the Earth: Feb.24)
Ye Quanzhi performed a particular anylysis of the last Lulin Observatory's image. He found at least 9 jets.  (January, 10 2009)
E.Guido, G. Sostero and P. Camilleri took a very impressive image at January, 8.53   (January, 10 2009)
Here you find an image from February,3 2009.
GIF Animation of 10 frames (1.667 KB)
   (February, 8 2009)
My comet friend Gustavo Muler from the Canary Islands created this amazing animation of comet Lulin at Febr.,21  (February,
22 2009)


The comet has still a tail of about 15 arc minutes. magnitude: 18.53, Actual distance to the Sun: 5.3 AU, Sun Pos.Ang. 261.4

C/2007 N3 (Lulin) © by Bernhard Häusler, Germany

C/2007 N3 (Lulin) by Bernhard Haeusler, 2010-03-11 B/W   

12 x 10 min. exposure, 2010-03-11 UT 18:23, 12" SCT  f-5.65 + CCD ST10XME
18.53 mag, coma: 10", tail: 15'30"  in PA 81.5       


The comet has still a tail of over 6 arc minutes.

C/2007 N3 (Lulin) © by Bernhard Häusler, Germany

C/2007 N3 (Lulin) by Bernhard Haeusler, 2010-03-07 B/W   

7 x 3 min. exposure, 2010-03-07 UT 19:38, 12" SCT  f-5.65 + CCD ST10XME
18.63 mag, coma: 10", tail: 6'30"  in PA 80°       


The comet has still a tail of about 9 arc minutes.

C/2007 N3 (Lulin) © by Bernhard Häusler, Germany

C/2007 N3 (Lulin) by Bernhard Haeusler, 2010-02-16 B/W   

6 x 5 min. exposure, 2010-02-16 UT 19:39, 12" SCT  f-5.65 + CCD ST10XME
18.28 mag, coma: 14", tail: 9'20"  in PA 82°       


The comet has still a long tail of about 9 arc minutes.

C/2007 N3 (Lulin) © by Bernhard Häusler, Germany

C/2007 N3 (Lulin) by Bernhard Haeusler, 2010-02-07 B/W   

7 x 5 min. exposure, 2010-02-07 UT 19:56, 12" SCT  f-5.65 + CCD ST10XME
18.16 mag, coma: 20", tail: 9'12"  in PA 82.4°       


The comet has still a long tail of about 13 arc minutes.

C/2007 N3 (Lulin) © by Bernhard Häusler, Germany

C/2007 N3 (Lulin) by Bernhard Haeusler, 2009-12-18 B/W   

7 x 2 min. exposure, 2009-12-18 UT 01:51, 12" SCT  f-6.3 + CCD ST10XME
16.67 mag, coma: 16", tail: 13'  in PA 86.5°       


The apparent velocity of the comet is significantly decreasing meanwhile (0.26"/min.).
Long term exposures are possible now.

C/2007 N3 (Lulin) © by Bernhard Häusler, Germany

C/2007 N3 (Lulin) by Bernhard Haeusler, 2009-04-11 B/W    Original size

60 min. exposure (6x10min)  2009-04-11 UT 20:10, 12" SCT  f-7 + CCD ST10XME
image size: 24' x 16', North up, East left


Here is a two minute exposure extracted from a series of 21 images

C/2007 N3 (Lulin) © by Bernhard Häusler, Germany

C/2007 N3 (Lulin) by Bernhard Haeusler, 2009-03-24 B/W    Original size

2 min. exposure, 2009-03-24 UT 20:13, 12" SCT  f-7 + CCD ST10XME
image size: 24' x 16', North up, East left


The Northern winds from Skandinavia are contantly blowing away the mist of the last weeks.
So the lucky time for good images is still going on...

C/2007 N3 (Lulin) © by Bernhard Häusler, Germany

C/2007 N3 (Lulin) by Bernhard Haeusler, 2009-03-19 B/W    Original size

10 min. exposure, 2009-03-19 UT 21:45, 12" SCT  f-7 + CCD ST10XME
image size: 24' x 16', North up, East left


Very good seeing and clear skies at this day.

C/2007 N3 (Lulin) © by Bernhard Häusler, Germany

C/2007 N3 (Lulin) by Bernhard Haeusler, 2009-03-17 B/W    Original size

20 min. exposure, 2009-03-17 UT 21:12, 12" SCT  f-7 + CCD ST10XME
image size: 24' x 16', North up, East left


The skies were changing during the night of March,13 to 14. But I could pick up some good images from a series of 120. 
A thin gaseous tail is clearly visible on the composite.

C/2007 N3 (Lulin) © by Bernhard Häusler, Germany

C/2007 N3 (Lulin) by Bernhard Haeusler, 2009-03-13 B/W    Original size

28 min. exposure, 2009-03-13 UT 22:22, 12" SCT  f-7 + CCD ST10XME
image size: 24' x 16', North up, East left


After weeks of bad weather I could revive my little series of comet Lulin

C/2007 N3 (Lulin) © by Bernhard Häusler, Germany     C/2007 N3 (Lulin) © by Bernhard Häusler, Germany

C/2007 N3 (Lulin) by Bernhard Haeusler, 2009-03-11 B/W

1 min. exposure (left) and 6 minutes (right), 2009-03-11 UT 22:16, 12" SCT  f-7 + CCD ST10XME
image size: 24' x 16', North up, East left


Short after starting twi-light the comet reached a atitude of 23°. High enough for my location at 50° latitude.

C/2007 N3 (Lulin) © by Bernhard Häusler, Germany

C/2007 N3 (Lulin) by Bernhard Haeusler, 2009-02-03 B/W
If you click on the images you find the original images with detailed descriptions of astrometry and photometry.
GIF Animation of 10 frames (1.667 KB)


In the morning hours of December, 29 2008 Tony Farkas, Okinava, Japan took this image remote controlled with an telescope on the Canary Islands.

C/2007 N3 (Lulin) © by Tony Farkas, Japan and slooh.com, Canary Islands      

C/2007 N3 (Lulin) © by Tony Farkas, Japan and Slooh.com, 2008-12-29 RGB
Credit to: © 2008-12-29 by Tony Farkas, Okinawa, Japan and the team of  Slooh.com for the equipment


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© Copyright of all sites and images of this web: Bernhard Haeusler, Rimpar, Germany   MPC code: B82 Maidbronn