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Index of Subjects --Apple-Mail-246-770471959 Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes Content-Transfer-Encoding: 7bit The region between the bows is called Alexander's Dark Band (http://en.wikipedia.org/wiki/Alexander%27s_dark_band ) and is a result of the rainbow itself. Briefly, the light that makes the bows brighter has to come from somewhere, or as the saying goes, you don't get something for nothing! Pat On Jun 8, 2011, at 9:02 PM, David & Alison Webster wrote: > Hi Hans, June 8, 2011 > Impressive photos in any case. > > In all three shots the sky below the lower arc is less blue and > more white than above. I don't recall having noticed this in > rainbows and the width of the band from red to violet is unusually > narrow. I am wondering if this was just after a shower or just > before fog rolled in. > Yt, DW > ----- Original Message ----- > From: Hans Toom > To: naturens@chebucto.ns.ca > Sent: Wednesday, June 08, 2011 7:58 PM > Subject: [NatureNS] 180 Degree Double Rainbow Photos > > Here are three photos from yesterdays 180 degree double rainbow from > Portuguese Cove. I regret not rushing down to the ocean and > snapping pics without the wires in the foreground and with the > rainbows framing cargo ships swinging at anchor in the outer > harbour. What was I thinking??? > http://www.hanstoom.com/StockPhotos/Visions3/0176.html > > Hans Toom > Portuguese Cove, Nova Scotia, Canada > http://www.hanstoom.com/ > No virus found in this message. > Checked by AVG - www.avg.com > Version: 10.0.1382 / Virus Database: 1511/3689 - Release Date: > 06/08/11 > = = ======================================================================== Patrick Kelly Director of Computer Facilities = = ======================================================================== Faculty of Architecture and Planning Dalhousie University = = ======================================================================== MAIL COURIER 1459 Oxford Street 5410 Spring Garden Road Halifax, Nova Scotia B3H 4R2 Halifax, Nova Scotia B3J 2X4 Canada Canada = = ======================================================================== Phone:(902) 494-3294 FAX:(902) 423-6672 E-mail:patrick.kelly@dal.ca = = ======================================================================== --Apple-Mail-246-770471959 Content-Type: text/html; charset=US-ASCII Content-Transfer-Encoding: quoted-printable <html><body style=3D"word-wrap: break-word; -webkit-nbsp-mode: space; = -webkit-line-break: after-white-space; ">The region between the bows is = called Alexander's Dark Band (<a = href=3D"http://en.wikipedia.org/wiki/Alexander%27s_dark_band">http://en.wi= kipedia.org/wiki/Alexander%27s_dark_band</a>) and is a result of the = rainbow itself. Briefly, the light that makes the bows brighter has to = come from somewhere, or as the saying goes, you don't get something for = nothing!<div><br></div><div>Pat</div><div><br></div><div><br><div><div>On = Jun 8, 2011, at 9:02 PM, David & Alison Webster wrote:</div><br = class=3D"Apple-interchange-newline"><blockquote type=3D"cite"><span = class=3D"Apple-style-span" style=3D"border-collapse: separate; color: = rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: = normal; font-weight: normal; letter-spacing: normal; line-height: = normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: = none; white-space: normal; widows: 2; word-spacing: 0px; = -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: = 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: = auto; -webkit-text-stroke-width: 0px; font-size: medium; "><div = bgcolor=3D"#ffffff"><div><font size=3D"2">Hi Hans, = June 8, = 2011</font></div><div><font size=3D"2"> Impressive = photos in any case.</font></div><div><font = size=3D"2"></font> </div><div><font size=3D"2"> = In all three shots the sky below the lower arc is less blue and more = white than above. I don't recall having noticed this in rainbows and the = width of the band from red to violet is unusually narrow. I am wondering = if this was just after a shower or just before fog rolled = in.</font></div><div><font size=3D"2">Yt, DW</font></div><blockquote = dir=3D"ltr" style=3D"border-left-color: rgb(0, 0, 0); border-left-width: = 2px; border-left-style: solid; padding-left: 5px; padding-right: 0px; = margin-left: 5px; margin-right: 0px; "><div style=3D"font: normal normal = normal 10pt/normal arial; ">----- Original Message -----</div><div = style=3D"font: normal normal normal 10pt/normal arial; background-image: = initial; background-attachment: initial; background-origin: initial; = background-clip: initial; background-color: rgb(228, 228, 228); = background-position: initial initial; background-repeat: initial = initial; "><b>From:</b><span = class=3D"Apple-converted-space"> </span><a = title=3D"htoom@hfx.eastlink.ca" href=3D"mailto:htoom@hfx.eastlink.ca">Hans= Toom</a></div><div style=3D"font: normal normal normal 10pt/normal = arial; "><b>To:</b><span class=3D"Apple-converted-space"> </span><a = title=3D"naturens@chebucto.ns.ca" = href=3D"mailto:naturens@chebucto.ns.ca">naturens@chebucto.ns.ca</a></div><= div style=3D"font: normal normal normal 10pt/normal arial; = "><b>Sent:</b><span = class=3D"Apple-converted-space"> </span>Wednesday, June 08, 2011 = 7:58 PM</div><div style=3D"font: normal normal normal 10pt/normal arial; = "><b>Subject:</b><span = class=3D"Apple-converted-space"> </span>[NatureNS] 180 Degree = Double Rainbow Photos</div><div><br></div><div><font size=3D"2" = face=3D"Arial">Here are three photos from yesterdays 180 degree double = rainbow from Portuguese Cove. I regret not rushing down to the = ocean and snapping pics without the wires in the foreground and = with the rainbows framing cargo ships swinging at anchor in the = outer harbour. What was I thinking???</font></div><div><font = size=3D"2" face=3D"Arial"><a = href=3D"http://www.hanstoom.com/StockPhotos/Visions3/0176.html"&