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La Cañada Observatory, is an initiative by Juan Lacruz, the observatory started astrometric operations in the summer of 2002, it is registered as station J87 in the Minor Planet Center of the International Astronomical Union.

The Observatory also participates in the studies on minor bodies promoted by the Group on Meteorites, Minor Bodies, and Planetary Sciences of the Institute of Space Sciences (CSIC-IEEC).

Saturday, October 9, 2010

103P Hartley 2010 Oct 01

Since the comet was moving fast at nearly four arc seconds per minute I stacked 3 exposures of 30 seconds each to get the comet against a a background of trailed stars.
The field width is 20 arc minutes, north is up and east to the left.
Telescope RCT .40m F10 + CCD
2010 Oct 01 20:38 UT La Cañada J87 J. Lacruz

Comet 103P in a stack of 5 averaged frames of 45 seconds each through a telephoto lens.
Canon EOS 1DIV + EF 200mm F2.8 (@155mm)