David's Astronomy Pages (Solar System)
Comets - 2015

Comet Images (2015) This page summarises observations and images of comets in 2015
Bullet C/2011 J2 LINEAR (Nov 2014 - Jan 2015)   
Bullet C/2014 Q2 (Lovejoy) (Feb 2015)
Bullet 22P/Kopff (Apr 2015)
Bullet C/2015 F5 (SWAN-Xingming) (May 2015)
Bullet C/2013 X1 (PANSTARRS) (Nov 2015)
Bullet C/2014 A4 (SONEAR) (Nov 2015)

C/2011 J2 LINEAR - Nov 2014 - Jan 2015

C/2011 J2 LINEAR - 2015-01-04 
(Passing through starfield in Pegasus )
Sun distance 4.82 AU
Image
CCD Image (100% size, cropped)
5 x 45 sec exposure (average combine), 3x3 binning, C Filter
2015-01-04  20:50hUT (#573179-82)
12" LX200R  (at f/10.4) + ST-10XME
 
C/2011 J2 LINEAR - 2014-12-02
(Passing through starfield in Pegasus )
Sun distance 4.62 AU
Image
CCD Image (100% size, cropped)
4 x 45 sec exposure (average combine), 3x3 binning, C Filter
2014-12-02 19:47hUT (#573179-82)
12" LX200R  (at f/10.4) + ST-10XME
 
C/2011 J2 LINEAR - 2014-11-30
(Passing through starfield in Pegasus )
Sun distance 4.61 AU
Image
Annotated CCD Image (100% size, cropped)
3 x 45 sec exposure (average combine), 3x3 binning, C Filter
2014-11-30 20:22hUT (#572086-89)
12" LX200R  (at f/10.4) + ST-10XME

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C/2014 Q2 (Lovejoy) - Feb 2015

C/2014 Q2 (Lovejoy) - 2015-03-24
(Passing through starfield in Perseus)
Sun distance 1.33 AU
 Image
CCD Image (50% size, cropped)
9 x 15 sec exposure (average combine), 3x3 binning, C Filter
2015-03-24 21:33hUT (#581123-31)
12" LX200R  (at f/10.4) + ST-10XME
 
C/2014 Q2 (Lovejoy) - 2015-02-20
(Passing through starfield in Perseus)
Sun distance 1.33 AU
 Image
CCD Image (Linear Scale, 70% size)
6 x 10 sec exposure (average combine), 3x3 binning, C Filter
2015-02-20 20:04hUT (#580020-26)
12" LX200R  (at f/10.4) + ST-10XME
 
C/2014 Q2 (Lovejoy) - Detail - 2015-02-20
 Image
CCD Image (Square root scale, 70% size)
Image details as above
 
C/2014 Q2 (Lovejoy) - 2014-12-30
(Passing through starfield in Lepus)
Sun distance 1.37 AU
Image
CCD Image (Linear Scale, 50% size)
6 x 15 sec exposure (average combine), 3x3 binning, C Filter
2014-12-30 20:04hUT (#578114-19)
12" LX200R  (at f/10.4) + ST-10XME
 

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22P/Kopff - Apr 2015

22P/Kopff (passing through Virgo)
Image
Annotated CCD Image (100% size, cropped)
3 x 60 sec exposure (average combine), 3x3 binning, C Filter
2015-04-09 22:41hUT (#583049-52)
12" LX200R  (at f/10.4) + ST-10XME
 
22P/Kopff - earlier images (2009)
Image
Annotated CCD Image (cropped to central area)
3 x 20s sec exposure (average combine), 3x3 binning, C Filter
2009-09-19 22:34 h UT (#389210-12)
12" LX200R  (at f/5.7) + ST-10XME
 

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C/2015 F5 (SWAN-Xingming) - Apr 2015

C/2015 F5 (SWAN-Xingming) - attempted imaging
(passing through Auriga)
Forecast position of comet is indicated by white circle. 
No indication of comet at either this location or elsewhere on image.
Limiting magnitude of image +17.5 vs forcast magnitude of +10.5
Image 
CCD Image (cropped)
4 x 30s exposure (average combine), 3x3 binning, C Filter
2015-05-15 00:13 h UT (#589122-25)
12" LX200R  (at f/10.4) + ST-10XME

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C/2013 X1 (PANSTARRS) - Nov 2015

C/2013 X1 (PANSTARRS) - 2015-11-02
(passing through starfield in Perseus)
Sun distance 2.68 AU
Image
CCD Image (50% size)
60s exposure (simgle frame), 3x3 binning, C Filter
2015-11-02 23:17 h UT (#593074)
12" LX200R  (at f/10.4) + ST-10XME
 
C/2013 X1 (PANSTARRS)  - 2015-11-02, detail
Stacked image, with sub-frames aligned on comet
Trailed stars show that the comet is moving against the background
Image
CCD Image (cropped)
3 x 60s exposure (average combine/aligned on comet), 3x3 binning, C Filter
2015-11-02 23:19 h UT (#593074-77)
12" LX200R  (at f/10.4) + ST-10XME
 
C/2013 X1 (PANSTARRS) - 2015-11-01
(passing through starfield in Perseus)
Sun distance 2.69 AU
Image
CCD Image (50% size)
2 x 60s exposure (average combine), 3x3 binning, C Filter
2015-11-01 21:49 h UT (#592200-01)
12" LX200R  (at f/10.4) + ST-10XME
 
C/2013 X1 (PANSTARRS) - 2015-11-01, detail
Stacked image, with sub-frames aligned on comet
Trailed stars show that the comet is moving against the background
Image
CCD Image (100% size, logscale, cropped)
5 x 60s exposure (average combine/aligned on comet), 3x3 binning, C Filter
2015-11-01 21:51 h UT (#592200-04)
12" LX200R  (at f/10.4) + ST-10XME
 
C/2013 X1 (PANSTARRS)  - 2015-11-01
motion over 55 minutes
1) 2015-11-01 21:49 h UT (#592200-01)
2) 2015-11-01 22:44 h UT (#592239-40)
1) Image
2) Image
CCD Images (100% size, cropped)
2 x 60s exposure (average combine), 3x3 binning, C Filter
12" LX200R  (at f/10.4) + ST-10XME

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 C/2014 A4 (SONEAR) - Nov 2015

C/2014 A4 (Sonear) - 2015-11-02
(passing through starfield in Pisces)
Sun distance 4.21 AU
Image
CCD Image (cropped)
3 x 60s exposure (average combine), 3x3 binning, C Filter
2015-11-02 23:11 h UT (#593067-70)
12" LX200R  (at f/10.4) + ST-10XME
 
C/2014 A4 (SONEAR) - 2015-11-01
(passing through starfield in Pisces)
Sun distance 4.21 AU
Image
CCD Image (50% size)
2 x 60s exposure (average combine), 3x3 binning, C Filter
2015-11-01 23:11 h UT (#592208-11)
12" LX200R  (at f/10.4) + ST-10XME
 
C/2014 A4 (SONEAR) - 2015-11-01
motion over 57 minutes
1) 2015-11-01 22:00 h UT (#592208-11)
2) 2015-11-01 22:57 h UT (#592251-55)
1) Image
2) Image
CCD Images (100% size, cropped)
2 x 60s exposure (average combine), 3x3 binning, C Filter
12" LX200R  (at f/10.4) + ST-10XME

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