Click here if you are having trouble logging into the forums Cloudy Nights - Official Forums of the 2009 International Year of Astronomy Privacy Policy | Please read our Terms of Service | Signup and Troubleshooting FAQ | Problems? PM a Red or a Green Gu.... uh, User   You are not logged in. [Login] Entrance · Main Index · Search · New user · Who's Online FAQ · Calendar Equipment Discussions >> Binoculars Previous   Index   Next   Flat   rushintuit sage Reged: 04/01/06 Posts: 263 Loc: Farpoint Observatory Re: dark adaptation       08/07/06 09:34 AM Edit   Reply   Quote   Quick Reply:   Dear Professor, The practical answer for dark adaptation of the human eye for the purpose of astronomical observation is 30 minutes. Knowing that rhodopsin continues to un-bleach for an additional 90 minutes, means that I will more closely guard my dark adapted vision in the field. When observing, I'm out standing in my field! -------------------- /// Stellarvue SV102ED /// Nikon 12x50 /// Fujinon 16x70 /// SkyTools 2 /// The Desktop Universe All Sky CCD Mosaic In Monochrome Mode /// Edited by EdZ (08/10/06 09:27 AM) Post Extras       Entire thread Subject Posted by Posted on dark adaptation rushintuit 08/05/06 12:19 PM Re: dark adaptation EdZ   08/05/06 12:27 PM Re: dark adaptation rushintuit   08/05/06 09:13 PM Re: dark adaptation Littlegreenman   08/06/06 12:45 AM Re: dark adaptation EdZ   08/06/06 06:42 AM Re: dark adaptation rushintuit   08/06/06 12:41 PM Re: dark adaptation EdZ   08/06/06 01:07 PM Re: dark adaptation rushintuit   08/07/06 09:34 AM Re: dark adaptation Jay_Bird   08/07/06 01:13 PM Re: dark adaptation rushintuit   08/07/06 01:34 PM Re: dark adaptation EdZ   08/10/06 09:37 AM Re: dark adaptation brentwood   08/06/06 08:56 PM Re: dark adaptation rushintuit   08/05/06 01:52 PM Re: Do I C 342? Mark9473   08/05/06 01:11 PM Extra information 10 registered and 27 anonymous users are browsing this forum. Moderator:  EdZ  Forum Permissions       You cannot start new topics       You cannot reply to topics       HTML is disabled       UBBCode is enabled Rating: Thread views: 205 Jump to *International Year of Astronomy 2009* -----   Global Coordination   Cornerstone Projects   Special Projects   Special Task Groups   Global Activities   National and Regional Activities   IYA 2009 in Africa   IYA 2009 in the USA*Announcements and News* -----   Cloudy Nights Announcements   Discussion of CN Articles, Reviews, and Reports   Beginners Forum   Celestial Events   Light Pollution*Equipment Discussions* -----   ATM, Optics and DIY Forum   Binoculars   Binoviewers   Cats & Casses   Classic Telescopes   Equipment   Eyepieces   Mounts   Observatories   Reflectors   Refractors    Celestron SkyScout and Meade mySky   Video and Electronically Assisted Astronomy*Astrophotography and Sketching* -----   Beginning Imaging   Film Astrophotography   DSLR & Digital Camera Astro Imaging & Processing   CCD Imaging & Processing   Solar System Imaging & Processing   Sketching   Astro Imaging/Sketching Contest *Observing* -----   General Observing   Planetary and Solar System Observing   Lunar Observing   Deep Sky Observing   Double Star Observing   Solar   Variable Star Observing and Radio Astronomy*Telescope Specific Forums* -----   Celestron NexStar    NexStar GPS / CPC Telescopes   Questar Forum   Meade ACF/RCX / LX / GPS    Meade ETX*Other* -----   Science of Astronomy & Space exploration   AstroWebsites   Space Rocks*Speciality Forums* -----   AstroArt   Astronomy Software & Computers   Stellar Media   Astro Outreach, Clubs and Star Parties*CN Feedback and Vendor Announcements* -----   Vendor and Group Announcements Home

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