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Planet low in east at 10pm?
As a non-astronomer, I was just looking through binoculars at a very obvious
planet near to the moon at about 10pm tonight (27/8/10) and was wondering which one it was. It's the first time I've been able to resolve a planet into a sharp round white sphere, so it would be nice to know what its name is. Thanks. |
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Planet low in east at 10pm?
On Fri, 27 Aug 2010 22:21:07 +0100, neil f wrote:
As a non-astronomer, I was just looking through binoculars at a very obvious planet near to the moon at about 10pm tonight (27/8/10) and was wondering which one it was. It's the first time I've been able to resolve a planet into a sharp round white sphere, so it would be nice to know what its name is. It's Jupiter. Can you see any of the four large moons with binoculars? -- Regards - Rodney Pont The from address exists but is mostly dumped, please send any emails to the address below e-mail rpont (at) gmail (dot) com |
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Planet low in east at 10pm?
On Fri, 27 Aug 2010 22:21:07 +0100, "neil f"
wrote: As a non-astronomer, I was just looking through binoculars at a very obvious planet near to the moon at about 10pm tonight (27/8/10) and was wondering which one it was. It's the first time I've been able to resolve a planet into a sharp round white sphere, so it would be nice to know what its name is. Jupiter |
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Planet low in east at 10pm?
On Fri, 27 Aug 2010 22:48:38 +0100 (BST), Rodney Pont wrote:
As a non-astronomer, I was just looking through binoculars at a very obvious planet near to the moon at about 10pm tonight (27/8/10) and was wondering which one it was. It's the first time I've been able to resolve a planet into a sharp round white sphere, so it would be nice to know what its name is. It's Jupiter. Can you see any of the four large moons with binoculars? p.s. The best view for the next 12 years should be on September 21st. -- Regards - Rodney Pont The from address exists but is mostly dumped, please send any emails to the address below e-mail rpont (at) gmail (dot) com |
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Planet low in east at 10pm?
"neil f" wrote in message ... As a non-astronomer, I was just looking through binoculars at a very obvious planet near to the moon at about 10pm tonight (27/8/10) and was wondering which one it was. It's the first time I've been able to resolve a planet into a sharp round white sphere, so it would be nice to know what its name is. Thanks. Others have told you that it is Jupiter. If you look to the right, which is a bit south, you will see two other much fainter points of light. They are both seen together at the same time through my binoculars: I can't see them without the glasses but just can with them. The right hand one, slightly higher up, is Uranus. Not spectacular at all, but you might never see it again in your life. It is 3 billion kilometres away and was only known to be a planet after telescopes were in use. |
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Planet low in east at 10pm?
In uk.sci.astronomy message , Fri, 27
Aug 2010 22:21:07, neil f posted: As a non-astronomer, I was just looking through binoculars at a very obvious planet near to the moon at about 10pm tonight (27/8/10) and was wondering which one it was. It's the first time I've been able to resolve a planet into a sharp round white sphere, so it would be nice to know what its name is. For all such questions, after setting your own latitude & longitude, http://www.heavens-above.com/skychar...=52.533&lng=-1. 462&loc=Home&alt=0&tz=GMT; much easier to read if you then choose black and white. For artificial satellites, now click the top left logo. -- (c) John Stockton, nr London, UK. Turnpike v6.05 MIME. Web URL:http://www.merlyn.demon.co.uk/ - FAQqish topics, acronyms & links; Astro stuff via astron-1.htm, gravity0.htm ; quotings.htm, pascal.htm, etc. No Encoding. Quotes before replies. Snip well. Write clearly. Don't Mail News. |
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Planet low in east at 10pm?
"neil f" wrote in message ... As a non-astronomer, I was just looking through binoculars at a very obvious planet near to the moon at about 10pm tonight (27/8/10) and was wondering which one it was. It's the first time I've been able to resolve a planet into a sharp round white sphere, so it would be nice to know what its name is. Thanks. Uranus is very close in the sky to Jupiter at this time and the following are positions for both planets shown in degrees at 11 pm BST over the next few weeks. The Az is azimuth measured from North which is zero and increases as you turn clockwise towards East. Alt is altitude above horizon. The date is given in format dd/mm/yy. All these are for latitude 53.5 degrees so adjust accordingly for further south or north of this latitude for the altitude. It should be no problem as Jupiter is easily found as the brightest object in the sky when the Moon is not up. If you wish to photograph the movement of Jupiter and Uranus against the background stars may I suggest that a field of about 2 degrees should be OK. Just let Jupiter drift across the field of your telephoto lens and for 2 degrees it takes 8 minutes from one edge of the field to the opposite edge. Then fix Jupiter in the lower left hand side of the field and Uranus should be at the upper right of the field. Try to limit the shake in your binoculars by mounting them on a tripod or sit the wrong way round on a chair and rest your elbows on the chair back, or even rest your arms on a wall if you can to reduce shake. I cannot give help on exposure times to get to 8 th magnitude stars to show the movement of both planets relative to the background stars or other details as this is beyond my experience but perhaps others can help with this. All I know is that I can identify Uranus with my 8x30 binoculars as the brightest object at 5.7 mag just over a degree above and to the right of Jupiter. It will be in line with Jupiter 18 th Sept. Beware if you look later in the night for the given figures as the aspect of the planets in the sky changes ever so slightly as the night progresses. Date Jupiter at 11 pm BST Uranus at 11 pm BST Alt Az Alt Az 03/09/10 21.7 125.0 22.6 126.0 10/09/10 25.0 132.6 25.8 133.0 17/09/10 27.8 140.6 28.6 140.8 24/09/10 30.1 149.1 31.0 148.1 It can be seen from the above that Jupiter has "overtaken" Uranus over the last week of the figures. Do not forget that the Moon will interfere with observing Uranus when it is in the sky so look when the Moon will not hinder you. |
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