Guest Adz_88 Posted June 24, 2013 Share Posted June 24, 2013 I was just browsing through the beginner posts and came across the term double star(s) alberiothese sound fascinating! What are they and are they viewable withe my scope? Link to comment Share on other sites More sharing options...
Tibbz2 Posted June 24, 2013 Share Posted June 24, 2013 They are systems that have 2 stars orbiting each other, instead of just one star on its own (like the Sun)! You should be able to see plenty of double stars through your scope! Link to comment Share on other sites More sharing options...
Guest Adz_88 Posted June 24, 2013 Share Posted June 24, 2013 (edited) Yes!!!! That is good I think that one of those bad boy systems will be my next target. What sort of ep would be best a 20mm wide field, some thing like that Edited June 24, 2013 by Adz_88 Link to comment Share on other sites More sharing options...
Tibbz2 Posted June 24, 2013 Share Posted June 24, 2013 The main thing about spotting many double stars is 'splitting' them, which can require high power EPs and a steady focusing hand! (And steady skies) This link explains them and where to find some for getting started: http://www.skyandtelescope.com/observing/objects/doublestars/3396726.html Also if you haven't already, a book called Turn Left at Orion is extremely useful for finding many deep sky objects and double stars etc. Link to comment Share on other sites More sharing options...
Guest Adz_88 Posted June 24, 2013 Share Posted June 24, 2013 Oh high power eps I would have gone the other my school boy Link to comment Share on other sites More sharing options...
Tibbz2 Posted June 24, 2013 Share Posted June 24, 2013 (edited) Like I say it depends on how hard they are to split like how close together they are etc. but I'm not an expert on them by any stretch Edited June 24, 2013 by Tibbz2 Link to comment Share on other sites More sharing options...
philjay Posted June 24, 2013 Share Posted June 24, 2013 Hi adz, alberio you mention is a lovely double star in cygnus, nice and visible now and easy to split with low to medium power. Link to comment Share on other sites More sharing options...
+RonC Posted June 24, 2013 Share Posted June 24, 2013 (edited) Alberio in the constellation Cygnus, my favourite double star! Ron Sorry posted twice!! Edited June 24, 2013 by Ron Clarke Link to comment Share on other sites More sharing options...
Tibbz2 Posted June 24, 2013 Share Posted June 24, 2013 Getting a strong sense of Deja Vu Link to comment Share on other sites More sharing options...
Guest Adz_88 Posted June 25, 2013 Share Posted June 25, 2013 That is a wicked snap ron that, hopefully we get some clear sky this weekend and I can have a crack at that love the contrast in colour Link to comment Share on other sites More sharing options...
BAZ Posted June 25, 2013 Share Posted June 25, 2013 Not forgetting Epsilon Lyra. the "double-double" Four stars for the price of two. It turns out it is actually a six star system, but two pairs can only be split spectroscopically. Link to comment Share on other sites More sharing options...
Guest Posted June 26, 2013 Share Posted June 26, 2013 I've managed to split Albireo with a £3.99 pair of binoculars. Epsilon Lyrae splits into two quite easily. Those two, plus Delta Lyrae, Nu Draconi and 16/17 Draconi form what I call the "summer doubles". They are "splittable" in binoculars. Here's my double star gallery: http://s197.photobucket.com/user/PhillipPugh/library/Double%20Stars?sort=3&page=1 My preferred method for "snapping" bright double stars is webcamming. I haven't done much this year due to the terrible weather. As yet, I don't know how to photograph double stars where a component is fainter than mag 5/6 ish, without buying more equipment. You may find this list of deep sky objects that contain some of the easier double stars useful: http://philippugh.comlu.com/DeepSkyDescription.html Link to comment Share on other sites More sharing options...
Tibbz2 Posted June 26, 2013 Share Posted June 26, 2013 Cheers Phil might try to look at some of the ones in bins when the cloud clears enough Very nice snaps too! Link to comment Share on other sites More sharing options...
Guest Posted June 26, 2013 Share Posted June 26, 2013 Cheers Phil might try to look at some of the ones in bins when the cloud clears enough Very nice snaps too! Thanks. The brighter double stars can be viewed/photographed when there's thin cloud around. Link to comment Share on other sites More sharing options...
Guest Ely Ellis Posted June 29, 2013 Share Posted June 29, 2013 Hi Adam, I have been into doubles for about a year now and I have now started to build up my own catalogue of them, imaging them by constellation. I do find it quite easy using a DSLR, you don't need long exposures like DSO's and results are fast with little if any alteration / processing to be done. As mentioned earlier, 'Turn Left At Orion' is a great source of information, but I tend to use 'Double Stars For Small Telescopes' by Sissy Haas. Knowing the limits of my scope, I can make a list of doubles for an evenings viewing or imaging and pick a good high constellation. The beauty of doubles is you don't need perfect conditions, I have viewed and imaged some through cloud and fog, even light pollution is not a problem, so most can be viewed from your back yard. Hope you get to give it a go and share your results. You can find my double star listings here... http://cathprotech.coffeecup.com/doubles_index.html Martin Link to comment Share on other sites More sharing options...
tuckstar Posted June 29, 2013 Share Posted June 29, 2013 Double stars are great, not only the challenge of splitting a tight pair, but the contrast of colours. As a rule you want a slow scope with a long focal length, mines an f13 frac, and a high mag for those pesky tight pairs. But you will split a lot with your scope anyway. Have fun. Link to comment Share on other sites More sharing options...
xanthic Posted June 29, 2013 Share Posted June 29, 2013 More double star info than you can shake a stick at - http://users.compaqnet.be/doublestars/ Link to comment Share on other sites More sharing options...
Guest Ely Ellis Posted June 29, 2013 Share Posted June 29, 2013 Leigh, That is an excellent find. Not come across that site before but will be making use of it in the future. Thanks Martin Link to comment Share on other sites More sharing options...
xanthic Posted July 1, 2013 Share Posted July 1, 2013 No problem, Martin. Happy to share Link to comment Share on other sites More sharing options...
Guest Posted July 14, 2013 Share Posted July 14, 2013 DSLRs and double stars: I've recently bought my first DSLR and managed to split Mizar and Alcor last night: http://s197.photobucket.com/user/PhillipPugh/media/PloughY13JulD14_zps2963656a.jpg.html?sort=3&o=3 Link to comment Share on other sites More sharing options...
dawson Posted July 14, 2013 Share Posted July 14, 2013 What settings and lens sunnyphil? Is this really your first ever dslr? How did you mange to get all the images for your books? Link to comment Share on other sites More sharing options...
Guest Ely Ellis Posted July 23, 2013 Share Posted July 23, 2013 Just tried to look at your double Phil, but the image has been moved or removed. Would like to see it, where is it now? Cheers Martin Link to comment Share on other sites More sharing options...
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