[AZ-Observing] Re: Europa and Ganymede last night
- From: Mark Wainright <mwainright@xxxxxxxxx>
- To: az-observing@xxxxxxxxxxxxx
- Date: Fri, 21 Aug 2009 16:08:40 -0700 (PDT)
Also from S&T's web site, Io will occult Europa tonight, Friday, 8/21, between
9:00 and 9:17 PM Arizona time.
Clear skies,
Mark
--- On Fri, 8/21/09, Paul Lind <pulind@xxxxx> wrote:
From: Paul Lind <pulind@xxxxx>
Subject: [AZ-Observing] Re: Europa and Ganymede last night
To: az-observing@xxxxxxxxxxxxx
Date: Friday, August 21, 2009, 12:51 PM
AJ,
That's an incredible image sequence taken by Christopher Go. It clearly has
sub-arcsecond resolution since Ganymede's apparent diameter at opposition is
only 1.7 arc-seconds. The circular shaddow of Io is seen crossing it.
Thanks for pointing it out. The conjunction that I saw was actually a
different one. It was between Europa and Ganymede on Aug. 20, at 0515 AM
UT, and the spacing less than 2 Ganymede diameters.
-Paul
----- Original Message -----
From: "AJ Crayon" <acrayon@xxxxxxx>
To: <az-observing@xxxxxxxxxxxxx>
Sent: Thursday, August 20, 2009 9:01 AM
Subject: [AZ-Observing] Re: Europa and Ganymede last night
> Paul, there is a nice 14 image sequence of this event at
> http://www.skyandtelescope.com/community/skyblog/observingblog/53682157.html
>
> Enjoy!
>
> AJ Crayon
> Phoenix, AZ
>
> ----- Original Message -----
> From: "Paul Lind" <pulind@xxxxx>
> To: <az-observing@xxxxxxxxxxxxx>
> Sent: Thursday, August 20, 2009 8:01 AM
> Subject: [AZ-Observing] Europa and Ganymede last night
>
>
> I just happened to look a jupiter last night at 9:30 while testing my
> daughter's 8" telescope. One of the moons looked funny, so I put the 14"
> on
> it at 200x. Europa and Ganymede were in conjunction (from our
> perspective)
> and were separated by only 2 arc-seconds. Jupiter rarely dissappoints.
> - Paul
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