I have a reducer/flattener and with the 490EX, the plate scale is 0.97 arcsec/px, the field of view works out to just under 55’ x 44’.
Willie
> On Dec 11, 2018, at 11:11 AM, Astrophotography <astrophotography@centexastronomy.org> wrote:
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> Nice image Wille. What is the focal length of the scope for this image? I took some images last night and 46P is very bright.
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> Dave
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> ---------- Original Message ----------
> From: "Astrophotography" <astrophotography@centexastronomy.org>
> To: "jde209@netzero.net" <jde209@netzero.net>
> Subject: 46P Wirtenan on 12-2-18 <<$219708078092$>>
> Date: Mon, 10 Dec 2018 03:29:38 -0600
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> I took this image just to get some data. I had not been able to use the scope since March I don’t think. Not very good processing, but I didn’t want to spend anymore time on it at the moment.
> Willie
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