Comet C/2013 US10 (Catalina)

 

2014-10-31

TEL 0.205-m f/5.5 reflector + CCD SBIG ST10XME + Sloan r’ Astrodon Gen-1 filter, CCD@-23°C.

f=1125mm, field 45.4‘x30.6’, 1.25’’/pixel, white circle diameter = 300 pixels = 374’’.

North up, East left. Aperture radius in Astrometrica = 5 pixels = 6.25’’.

18x120s from 18:42UT to 19:50UT, recentered on comet with Astrometrica.

NET UCAC-4

    CK13U10S KC2014 10 31.79223 22 36 33.59 -25 23 32.9          15.2 N      K25

    CK13U10S KC2014 10 31.81042 22 36 32.94 -25 23 35.9          15.2 N      K25

    CK13U10S KC2014 10 31.82115 22 36 32.45 -25 23 36.4          15.4 N      K25

Conditions: seeing, lot of dew, Moon phase 80°at only 23°.

2014-11-15

TEL 0.205-m f/5.5 reflector + CCD SBIG ST10XME + CLR Astrodon filter, CCD@-23°C.

f=1125mm, field 45.4‘x30.6’, 1.25’’/pixel, white circle diameter = 300 pixels = 374’’.

North up, East left. Aperture radius in Astrometrica = 5 pixels = 6.25’’.

9x120s from 18:18UT to 18:38UT, recentered on comet with Astrometrica.

NET UCAC-4

    CK13U10S KC2014 11 15.76491 22 28 20.70 -25 40 56.5          15.3 N      K25

    CK13U10S KC2014 11 15.76951 22 28 20.60 -25 40 56.3          15.2 N      K25

    CK13U10S KC2014 11 15.77411 22 28 20.44 -25 40 56.8          15.2 N      K25

Conditions: seeing about 1.5’’.