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2018 November 7:
photographed
under dark skies from
Lady's Pass, near Heathcote, Victoria,
against the stars of
Fornax when it was about magnitude 7.2; Canon 5D II + 500mm lens, at f4, on
a mount tracking the sky.
Fifty four minutes of exposures stacked and combined. Field of view ~3.5°x2.5°.
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2018 November
29: photographed
under dark skies from
Lady's Pass, near Heathcote, Victoria,
against the stars of
Cetus when it was about magnitude 5.8;
equipment as above.
Sixty minutes of exposures stacked and combined to optimise the comet and
the background stars. Field of view ~3.5°x2.5°..
Note how the comet had brightened and grown in size, compared with earlier
in the month, as it approached
both the sun and the Earth. |
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2018 December
10; magnitude about 4.5 against the stars of Cetus and naked-eye visible,
equipment as above. Sixty x 1 minute exposures stacked and combined to optimise the comet and
the background stars. Field of view ~3.2°x2.3°..
The comet had brightened and grown in size as it approached
both the sun and the Earth. |