Hi all, A lady who lives near Ogden rang me today saying she wants to see 2012 DA14 as it makes its flyby on the 15th. I told it it would not look like much but she'd still like to see it. Is anyone here planning on trying to spot it? Weather permitting I'll be trying to image it but she wants to see it through a telescope. patrick
I thought DA14 was crossing utah during the day and so wouldn't be visible for us except after sunset near the north pole as it makes it's exit, too faint for us mere mortals (ie not Patrick) to see. Am I wrong? Dion On Feb 11, 2013, at 9:59 PM, Patrick Wiggins <paw@wirelessbeehive.com> wrote:
Hi all,
A lady who lives near Ogden rang me today saying she wants to see 2012 DA14 as it makes its flyby on the 15th.
I told it it would not look like much but she'd still like to see it.
Is anyone here planning on trying to spot it?
Weather permitting I'll be trying to image it but she wants to see it through a telescope.
patrick _______________________________________________ Utah-Astronomy mailing list http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy
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Hi Dion, On 12 Feb 2013, at 07:45, Dion Davidson wrote:
I thought DA14 was crossing utah during the day and so wouldn't be visible for us except after sunset near the north pole as it makes it's exit, too faint for us mere mortals (ie not Patrick) to see. Am I wrong? Dion
It will not be visible from Utah during closest approach. However, by 1900 MST on the 15th the Sun will be about 12 degrees below the horizon and 2012 DA14 will be about a third of the way up our northern sky. By that time it will have slowed from about 2,300"/min to a "leisurely" 160 and shining about mag 12. An hour later it'll only be slightly higher in the sky but slowed to 125"/min and only a bit fainter. For exact coordinates go to the Minor Planet Ephemeris Service: http://www.minorplanetcenter.org/iau/MPEph/MPEph.html Happily the NWS is currently calling for mostly clear skies Friday night. patrick
and I thought it was going to hard to see. low on the northern horizon and 12th mag, no problem.
Hi Dion,
On 12 Feb 2013, at 07:45, Dion Davidson wrote:
I thought DA14 was crossing utah during the day and so wouldn't be visible for us except after sunset near the north pole as it makes it's exit, too faint for us mere mortals (ie not Patrick) to see. Am I wrong? Dion
It will not be visible from Utah during closest approach.
However, by 1900 MST on the 15th the Sun will be about 12 degrees below the horizon and 2012 DA14 will be about a third of the way up our northern sky. By that time it will have slowed from about 2,300"/min to a "leisurely" 160 and shining about mag 12.
An hour later it'll only be slightly higher in the sky but slowed to 125"/min and only a bit fainter.
For exact coordinates go to the Minor Planet Ephemeris Service: http://www.minorplanetcenter.org/iau/MPEph/MPEph.html
Happily the NWS is currently calling for mostly clear skies Friday night.
patrick _______________________________________________ Utah-Astronomy mailing list http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy
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I don't know of anyone up here trying to watch it. I will ask in the meeting that we have on Wednesday though. You could also post this on OAS_News if you want to. Thanks, David Dunn -----Original Message----- From: utah-astronomy-bounces@mailman.xmission.com [mailto:utah-astronomy-bounces@mailman.xmission.com] On Behalf Of Patrick Wiggins Sent: Monday, February 11, 2013 11:00 PM To: utah astronomy listserve utah astronomy Subject: [Utah-astronomy] Member of public wants to see 2012 DA14 Hi all, A lady who lives near Ogden rang me today saying she wants to see 2012 DA14 as it makes its flyby on the 15th. I told it it would not look like much but she'd still like to see it. Is anyone here planning on trying to spot it? Weather permitting I'll be trying to image it but she wants to see it through a telescope. patrick _______________________________________________ Utah-Astronomy mailing list http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy Send messages to the list to Utah-Astronomy@mailman.xmission.com The Utah-Astronomy mailing list is not affiliated with any astronomy club. To unsubscribe go to: http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy Then enter your email address in the space provided and click on "Unsubscribe or edit options".
The weather forecast for this week has turned sour. We may not get clear skies anyway. On Feb 12, 2013 8:13 AM, "Dunn, David" <David.Dunn@supervalu.com> wrote:
I don't know of anyone up here trying to watch it. I will ask in the meeting that we have on Wednesday though. You could also post this on OAS_News if you want to.
Thanks, David Dunn
-----Original Message----- From: utah-astronomy-bounces@mailman.xmission.com [mailto:utah-astronomy-bounces@mailman.xmission.com] On Behalf Of Patrick Wiggins Sent: Monday, February 11, 2013 11:00 PM To: utah astronomy listserve utah astronomy Subject: [Utah-astronomy] Member of public wants to see 2012 DA14
Hi all,
A lady who lives near Ogden rang me today saying she wants to see 2012 DA14 as it makes its flyby on the 15th.
I told it it would not look like much but she'd still like to see it.
Is anyone here planning on trying to spot it?
Weather permitting I'll be trying to image it but she wants to see it through a telescope.
patrick _______________________________________________ Utah-Astronomy mailing list http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy
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_______________________________________________ Utah-Astronomy mailing list http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy
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Patrick does the right thing by letting the general public know that even through a telescope, all that is visible is a tiny dot of light. Many think that they'll see a close-up, like a planetary disk in the eyepiece. They need to know in advance that even the world's largest telescopes only show asteroids such as this as a speck of light with no detail at all. And unless it's moving very fast, they may not even be sure which speck in the FOV is the asteroid. A reticle would be of some use in these instances. On Mon, Feb 11, 2013 at 10:59 PM, Patrick Wiggins <paw@wirelessbeehive.com>wrote:
Hi all,
A lady who lives near Ogden rang me today saying she wants to see 2012 DA14 as it makes its flyby on the 15th.
I told it it would not look like much but she'd still like to see it.
Is anyone here planning on trying to spot it?
Weather permitting I'll be trying to image it but she wants to see it through a telescope.
It would take a pretty skilled telescope operator to track it, by the time they stepped away it would be out of the FOV.
Patrick does the right thing by letting the general public know that even
through a telescope, all that is visible is a tiny dot of light. Many think that they'll see a close-up, like a planetary disk in the eyepiece. They need to know in advance that even the world's largest telescopes only show asteroids such as this as a speck of light with no detail at all.
And unless it's moving very fast, they may not even be sure which speck in the FOV is the asteroid. A reticle would be of some use in these instances.
On Mon, Feb 11, 2013 at 10:59 PM, Patrick Wiggins <paw@wirelessbeehive.com>wrote:
Hi all,
A lady who lives near Ogden rang me today saying she wants to see 2012 DA14 as it makes its flyby on the 15th.
I told it it would not look like much but she'd still like to see it.
Is anyone here planning on trying to spot it?
Weather permitting I'll be trying to image it but she wants to see it through a telescope.
_______________________________________________ Utah-Astronomy mailing list http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy
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Only at closest approach, which is in daylight here. And some goto mounts can be programmed to follow fast-moving objects. On Feb 12, 2013 10:03 AM, <erikhansen@thebluezone.net> wrote:
It would take a pretty skilled telescope operator to track it, by the time they stepped away it would be out of the FOV.
Patrick does the right thing by letting the general public know that even
through a telescope, all that is visible is a tiny dot of light. Many think that they'll see a close-up, like a planetary disk in the eyepiece. They need to know in advance that even the world's largest telescopes only show asteroids such as this as a speck of light with no detail at all.
And unless it's moving very fast, they may not even be sure which speck in the FOV is the asteroid. A reticle would be of some use in these instances.
On Mon, Feb 11, 2013 at 10:59 PM, Patrick Wiggins <paw@wirelessbeehive.com>wrote:
Hi all,
A lady who lives near Ogden rang me today saying she wants to see 2012 DA14 as it makes its flyby on the 15th.
I told it it would not look like much but she'd still like to see it.
Is anyone here planning on trying to spot it?
Weather permitting I'll be trying to image it but she wants to see it through a telescope.
_______________________________________________ Utah-Astronomy mailing list http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy
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participants (5)
-
Chuck Hards -
Dion Davidson -
Dunn, David -
erikhansen＠thebluezone.net -
Patrick Wiggins