David's Astronomy Pages (Solar System) Comets - 2016

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	Comet Images (2016)	This page summarises observations and images of comets in 2016
	9P/Tempel (Feb 2016)
	81/P Wild (Feb 2016)
	C/2013 US10 (Catalina) (Jan to Feb 2016)
	C/2014 W2 (PANSTARRS)  (Feb 2016)

9P/Tempel - Feb 2016

9P/Tempel   (passing through starfield in Coma Berenices) Sun Distance 2.17 AU Comet is marked by white cross-lines Measured magnitude +16.3  (vs. forecast mag +14.4)

CCD Image (50% size) 5 x 45 sec exposure (average combine), 3x3 binning, C Filter 2016-02-19 04:10hUT (#597359-65) 12" LX200R  (at f/10.4) + ST-10XME

9P/Tempel  - detail

CCD Image (100% size, cropped) Image details as above

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81/P Wild - Feb 2016

81/P Wild (passing through starfield in Taurus) Sun distance 2.19 AU

Annotated CCD Image (50% size) 5 x 30s exposure (average combine), 3x3 binning, C Filter 2016-02-11 20:11h UT (#596077-81) 12" LX200R  (at f/10.4) + ST-10XME

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C/2013 US10 (Catalina) - Jan to Mar 2016

C/2013 US10 (Catalina) (passing through starfield in Ursa Major) Sun distance 1.40 AU

CCD Image Montage (50% size) 30s exposure (3 frames), 3x3 binning, C Filter 2016-01-17 18:31 to 20:25h UT (#594019, 594052,  594178) 12" LX200R  (at f/10.4) + ST-10XME

C/2013 US10 (Catalina)  - detail

CCD Image (50% size, linear scale) 30s exposure (single frame), 3x3 binning, C Filter 2016-01-17 20:25h UT (#594178) 12" LX200R  (at f/10.4) + ST-10XME

CCD Image (50% scale, linear scale) 5 x 30s exposure (average combine/aligned on comet), 3x3 binning, C Filter 22016-01-17  20:23 - 20:25h UT (#594174-78) 12" LX200R  (at f/10.4) + ST-10XME

CCD Image (50% scale, log scale) Image details as above

False Colour CCD Image (50% scale, log scale) False Colour - Inverse Spectrum Image details as above

C/2013 US10 (Catalina) (passing through starfield in Camelopardalis) Sun distance 1.83 AU

CCD Image Montage (Linear Scale, 50% size) 5 x 15s exposure (average combine), 3x3 binning, C Filter 2016-02-19 00:46h UT (#597114-19) 12" LX200R  (at f/10.4) + ST-10XME

C/2013 US10 (Catalina)  - detail

False Colour CCD Image (Log Scale, 50% size) Inverse Spectrum Image details as above

CCD Image (Square Root Scale, 50% scale) Image details as above

C/2013 US10 (Catalina)  - Attempted Colour Image

Colour CCD Image  (Linear Scale, 50% size) Blue : 6 x 30s, 3x3 binning, B Filter Green : 3 x 20s, 3x3 binning, V Filter Red : 3 x 20s, 3x3 binning, R Filter Frames aligned on comet, 2016-02-19 01:12h UT (#597166-77) 12" LX200R  (at f/10.4) + ST-10XME

C/2013 US10 (Catalina)  - Frames showing Motion over 21 minute period 2016-02-19 00:44 to 01:05h UT

CCD Image Sequence (Linear Scale, 50% size) Frames 15s exposures, aligned on comet, 3x3 binning, C Filter 2016-02-19 00:44 to 01:05h UT (#597114-63) 12" LX200R  (at f/10.4) + ST-10XME

CCD Image (Linear Scale, 50% size) 48 x 15s exposure (average combine, aligned on comet), 3x3 binning, C Filter 2016-02-19 00:55h UT (#597114-63) 12" LX200R  (at f/10.4) + ST-10XME

False Colour CCD Image (Log Scale, 50% size) Inverse Spectrum Image details as above

C/2013 US10 (Catalina)  - Rotational Gradient Processing Analysis of rotational gradient processed images show no evidence of any jets emanating from the comet at time of image (processing using IRIS [http://www.astrosurf.com/buil/us/iris/iris.htm]

Rotational Gradient Processed CCD Image  (10 deg rotation, Linear Scale, 67% size) 48 x 15s exposure (average combine, aligned on comet), 3x3 binning, C Filter 2016-02-19 00:55h UT (#597114-63) 12" LX200R  (at f/10.4) + ST-10XME

C/2013 US10 (Catalina)  - detail

Rotational Gradient Processed CCD Image  (15 deg rotation, Linear Scale, 77% size) Image details as above

False Colour CCD Image (50% scale, log scale) False Colour - Inverse Spectrum Image details as above

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C/2014 W2 (PANSTARRS) - Comet

C/2014 W2 (PANSTARRS) (passing through Cepheus, near boundary with Draco) Sun Distance 2.68 AU

CCD Image (50% size) 3 x 45 sec exposure (average combine), 3x3 binning, C Filter 2016-02-19 03:26hUT (#597304-07) 12" LX200R  (at f/10.4) + ST-10XME

C/2014 W2 (PANSTARRS)  - wider view (comet is marked by white cross-lines)

CCD Image (100% size, cropped) Image details as above

C/2014 W2 (PANSTARRS) - Showing motion over 53 minute period (motion: 10 arc secs/hour)

CCD Image Animation (100% scale, cropped) 2 frames, each 3 x 45 sec exposure (average combine), 3x3 binning, C Filter Frame 1: 2015-04-09 03:26hUT (#597304-07) Frame 2: 2015-04-09 04:19hUT (#597369-72) 12" LX200R  (at f/10.4) + ST-10XME

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