COMETS

© Curt Renz

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Comet C/2013 A1 (Siding Spring) - Overhead View

View of comet, Mars, Earth and Sun from north of the ecliptic plane during 2014 JUL 11 to 2015 JAN 27 Apparent closest to Mars 2014 OCT 19 at 18:45:08 UT at estimated 132,153 km between centers  

Comet C/2013 A1 (Siding Spring) - Equatorial Chart

Plot of Mars’ and the comet’s paths in equatorial coordinates of current date during the weeks surrounding their closest spatidal approach to each other

Comet C/2012 K1 (PANSTARRS) - Ephemeris

Geocentric ephemeris of the comet in decimal equatorial coordinates for both the current date and J2000.0 at 00:00 UT

Comet C/2012 K1 (PANSTARRS) - Equatorial Chart

Plot of the comet’s path in equatorial coordinates of the current date Greatest Brilliance 2014 OCT 21 at Magnitude +8.0

Comet C/2012 K1 (PANSTARRS) - Overhead View

View of comet, Earth and Sun from north of the ecliptic plane during 2014 JUL 23 to NOV 20 - Closest to Earth 2014 OCT 31 at 0.9526 AU

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Comet C/2012 X1 (LINEAR) - Ephemeris

Geocentric ephemeris of the comet in decimal equatorial coordinates for both the current date and J2000.0 at 00:00 UT

Comet C/2012 X1 (LINEAR) - Equatorial Chart

Plot of the comet’s path in equatorial coordinates of current date Greatest Brilliance 2014 MAR 02 at Magnitude +10.1

Comet C/2012 X1 (LINEAR) - Overhead View

View of comet, Earth and Sun from north of the ecliptic plane during 2014 JUN 27 to OCT 15 - Closest to Earth 2014 JUN 27 at 1.5465 AU

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Comet C/2013 A1 (Siding Spring) - Ephemeris

Geocentric ephemeris of the comet in decimal equatorial coordinates for both the current date and J2000.0 at 00:00 UT from 2014 SEP 17 to OCT 21

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Comet C/2014 E2 (Jacques) - Overhead View

View of comet, Earth and Sun from north of the ecliptic plane during 2014 JUL 19 to SEP 17 - Closest to Earth 2014 AUG 28 at 0.5638 AU

Comet C/2014 E2 (Jacques) - Equatorial Chart

Plot of the comet’s path in equatorial coordinates of current date Greatest Brilliance 2014 JUL 04 at Magnitude +5.7

Comet C/2014 E2 (Jacques) - Ephemeris

Geocentric ephemeris of the comet in decimal equatorial coordinates for both the current date and J2000.0 at 00:00 UT

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NOTE:  Decimal coordinates are posted in the ephemerides to ease interpolation, since few observations are likely to be made at precisely 00:00:00 UT.

Comet C/2014 E2 (Jacques) 16.1 arcminutes from Epsilon Cassiopeiae

Chart depicting the geocentric apparent passage of the comet near the magnitude +3.4 star Epsilon Cassiopeiae on 2014 AUG 22 at 07:09 UT