This tool is sometimes helpful for identifying a star. https://www.fourmilab.ch/yoursky
Brian
Search found 94 matches
- Tue May 17, 2016 12:04 am
- Forum: Observing
- Topic: Moon & Jupiter & a mystery star
- Replies: 6
- Views: 2325
- Mon Dec 24, 2012 3:32 am
- Forum: Gallery
- Topic: Plato and Theophilus - 3 November
- Replies: 9
- Views: 2487
Re: Plato and Theophilus - 3 November
I especially like your Theophilus of 1 November, splendid detail for an 8 inch aperture. Between Cyrillus and Catharina P is a small crater. You have captured the elevated shape of it’s rubble mound. I have not previously seen this three dimensional quality from a small telescope.
- Sun Apr 08, 2012 6:15 am
- Forum: Telescopes and instruments
- Topic: Very wide angle binoculars.
- Replies: 11
- Views: 6450
- Fri Mar 23, 2012 4:15 am
- Forum: Telescopes and instruments
- Topic: Very wide angle binoculars.
- Replies: 11
- Views: 6450
- Thu Mar 22, 2012 1:45 am
- Forum: Telescopes and instruments
- Topic: Very wide angle binoculars.
- Replies: 11
- Views: 6450
- Wed Mar 21, 2012 6:01 am
- Forum: Telescopes and instruments
- Topic: Very wide angle binoculars.
- Replies: 11
- Views: 6450
- Fri Apr 29, 2011 5:44 am
- Forum: Telescopes and instruments
- Topic: World's biggest Dall-Kirkham?
- Replies: 10
- Views: 2970
- Thu Apr 28, 2011 4:21 am
- Forum: Telescopes and instruments
- Topic: World's biggest Dall-Kirkham?
- Replies: 10
- Views: 2970
- Tue Apr 26, 2011 6:17 am
- Forum: Telescopes and instruments
- Topic: World's biggest Dall-Kirkham?
- Replies: 10
- Views: 2970
- Mon Apr 25, 2011 9:48 pm
- Forum: Telescopes and instruments
- Topic: World's biggest Dall-Kirkham?
- Replies: 10
- Views: 2970
- Mon Apr 25, 2011 8:50 pm
- Forum: Telescopes and instruments
- Topic: World's biggest Dall-Kirkham?
- Replies: 10
- Views: 2970
World's biggest Dall-Kirkham?
Does someone here know how large this pattern of telescope has been made? It seems to me that a really large one as perhaps 30 inch diameter, and a slow primary mirror of f6 to f8 for an overall speed somewhere in the range of f28 to f38 ought to be the best of all telescopes for photographing the M...
- Wed Aug 26, 2009 1:54 am
- Forum: Space exploration
- Topic: When pics from New Hubble Camera?
- Replies: 8
- Views: 4121
- Tue Aug 25, 2009 12:21 am
- Forum: Space exploration
- Topic: When pics from New Hubble Camera?
- Replies: 8
- Views: 4121
- Thu Aug 20, 2009 5:43 am
- Forum: Space exploration
- Topic: When pics from New Hubble Camera?
- Replies: 8
- Views: 4121
When pics from New Hubble Camera?
Has anyone heard when we get the first pictures from Wide Field & Planetary Camera #3?
- Tue Apr 14, 2009 12:54 pm
- Forum: Gallery
- Topic: M 82 reprocessed due to bad weather
- Replies: 5
- Views: 1236