FreeLists / az-observing / [AZ-Observing] Re: Hale-Bopp lives

["Mike Spooner" <spoon@xxxxxxxxxxxxxxx>]

Hi Brian,

Will advancements in detection technology increase at a rate that Hale-Bopp 
will stay in view during its complete orbit?  :) Atmospheric extinction 
aside, perhaps someone wants to calculate the magnitude at apogee. :)))

--Mike Spooner (too many rainy nights)

----- Original Message ----- 
From: "Brian Skiff" <Brian.Skiff@xxxxxxxxxx>
To: <az-observing@xxxxxxxxxxxxx>
Sent: Wednesday, March 02, 2005 3:01 PM
Subject: [AZ-Observing] Hale-Bopp lives


>     An IAU Circular issued today contains the following note:
>
> COMET C/1995 O1 (HALE-BOPP)
>     S. Nakano, Sumoto, Japan, has acquired astrometry and
> photometry of this comet from unfiltered CCD images obtained by M.
> Tsumura (Wakayama, Japan) with a 0.20-m reflector and a 0.11-m
> refractor during visits to Waddi Farm in Western Australia,
> yielding the following total magnitudes for the comet (which showed
> a very diffuse coma of diameter about 6"):  2004 Mar. 21.63 UT,
> 17.8-17.9; 25.56, 17.8-18.0; 2005 Feb. 8.6, 18.3-18.4.  There have
> been very few observations of this comet, now at r = 21 AU, in the
> last two years (see also IAUC 8479).
>
>
>     ...notice the mightly apertures brought to bear on the mag 18 comet.
>
> \Brian
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