Double Star Observing
Double Stars, Rayleigh Limit and Dawes Limit; a place for observers with split personalities.
Regarding the War in UkrainePosted by cbwerner |
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We have a new addition to the moderator pool in Double Star ObservingStarted by AnakChan , 20 Feb 2023 |
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Double stars - Links of interestStarted by Uwe Pilz , 07 Dec 2019 |
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A Double Star Primer for the Unicorn - MonocerosStarted by c2m2t , 20 Mar 2023 |
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Zeta Cancri splitStarted by Vinny1980 , 09 Mar 2023 |
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STF 981 in GeminiStarted by VanJan , 27 Mar 2023 |
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Messier Marathon of Double StarsStarted by Simoes Pedro , 15 Mar 2023 |
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STF1608 QuestionStarted by jeffreym , 27 Mar 2023 |
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A Double Star Primer for the Crab - CancerStarted by c2m2t , 29 Mar 2023 |
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Newbie question about double stars, reflectors, and refractorsStarted by vrodriguez2324 , 04 Feb 2023 |
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Are Epsilon and Zeta Lyrae Related?Started by Dadoo , 28 Mar 2023 |
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ν ScorpiusStarted by TheUser , 18 Mar 2023 |
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Is this about right? Antares doubleStarted by Kim2010 , 25 Mar 2023 |
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Omicron Persei and Attendant Struve PairsStarted by VanJan , 20 Feb 2023 |
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New USNO WDS website onlineStarted by inZet , 22 Mar 2023 |
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Sirius B in 90mm - ( I finally met the pup!)Started by 30mmgunpilot , 17 Jan 2023 |
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Some Wide Doubles in OrionStarted by Rustler46 , 19 Mar 2023 |
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Don't Trust the Forecast-Go Out and Observe!Started by Nucleophile , 17 Mar 2023 |
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STF 953 in MonocerosStarted by ssmith , 12 Mar 2023 |
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A Taurus double star tour along the borders of Aries and CetusStarted by c2m2t , 05 Mar 2023 |
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A Few Dashing Doubles of the CharioteerStarted by VanJan , 16 Mar 2023 |
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4 doubles in CepheusStarted by flt158 , 15 Mar 2023 |
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Finally! The Pup on a 4" ApoStarted by Kim2010 , 11 Feb 2023 |
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Narrowband filters for DoublesStarted by Jon Isaacs , 06 Mar 2023 |
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Just Completed the AL Double Star Program - Multiple Stars Next?Started by Orion92 , 11 Mar 2023 |
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A Visit With Some Old Friends in Orion: 42, Psi2, Tau, BU 885, and STT 111Started by Nucleophile , 01 Mar 2023 |
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A One Degree Gathering of Doubles in TaurusStarted by VanJan , 27 Feb 2023 |
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Astronomical League Double Star Observing ProgramStarted by eric_zeiner , 20 Mar 2022 |
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Colorful, Close, and ConfinedStarted by VanJan , 09 Mar 2023 |
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3 doubles in CepheusStarted by flt158 , 07 Mar 2023 |
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Burnham's Celestial HandbookStarted by Kitfox , 02 Mar 2023 |
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STF 518 AKA omicron 2 eridani AKA 40 eridani ; wohoo, the real thing!Started by CHnuschti , 21 Feb 2023 |
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An "Interesting" Collection... STF-1831Started by dmdouglass , 05 Mar 2023 |
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Sirius A&B / Rigel A&B / Trapezium w/E&FStarted by RobDob , 09 Feb 2023 |
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Sometimes it is just a simple target....Started by dmdouglass , 05 Mar 2023 |
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A couple more nice doubles from Agnes' list...Started by dmdouglass , 03 Mar 2023 |
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TrapeziumStarted by ssmith , 28 Feb 2023 |
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Testing Raleigh and Dawes of the 102mm/f11 EDStarted by SebastianTS , 18 Feb 2023  Double Star
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Two unexpected doubles in the Lion's tailStarted by Ihtegla Sar , 15 Feb 2023 |
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Some Doubles in Eastern Perseus and an Oops in GeminiStarted by VanJan , 25 Feb 2023 |
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STF227 (6 TRI) Optical or Binary?Started by daedalus , 28 Jan 2023 |
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Iota Cass - visual quadrupleStarted by Adam Long , 25 Oct 2022 |
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Hydra: STF 1295 (17 hya), BU 1069, STF 1260, ARG 72. Four clear and tight doubles (in smaller aperture) 2.3" to 5.1" wi...Started by CHnuschti , 21 Feb 2023 |
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Help for SCT Double Star ObserversStarted by Rustler46 , 12 Dec 2022 |
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2 easy doubles in TaurusStarted by flt158 , 14 Feb 2023 |
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Double Star softwareStarted by Alan A. , 07 Feb 2023 |
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OCC 253 Double Star in Pleiades?Started by Fiske , 14 Jan 2023 |
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high declination close doublesStarted by balticsensor , 13 Feb 2023 |
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Some nice doubles in EridanusStarted by John Fitzgerald , 09 Feb 2023 |
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Orion: STF 848 and STF 844, which constitute almost the whole open cluster NGC 2169 ; all components in the overviewStarted by CHnuschti , 04 Feb 2023 |
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Sometimes we need long exposures... (not short ones)Started by dmdouglass , 09 Feb 2023 |
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