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SUBSIM: The Web's #1 resource for all submarine & naval simulations since 1997 |
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Navy Seal
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You've seen the sky in Silent Hunter 4. We have guys doing celestial navigation while playing the game using an astronomy program for star positions.
Let's put you on the deck of a submarine off the coast of Florida just about now at 9:30 PM or so local time (Zulu -4). Now I want you to look north, point your cell phone camera up about 40º and take a photo as I have. And here's my new cell phone photo from last night of the Cassiopeia area. (don't try this with your new iPhone. It can't cut the cheeze) Can you find the constellation Cassiopeia in this Milky Way mess of stars? How about Cepheus? The stars in the top of the Northern Cross of Cygnus? This is a fricking huge area of sky (field is over 70º wide!) from the top of Cygnus at upper left to Cepheus, Cassiopeia, a chunk of Perseus...yikes! Imagine seeing this with your naked eye. You could from the deck of a submarine in the Pacific ocean. It's tough to navigate while you are freaking out from all these stars. Our vantage point is about 3/5 of the way out from the center of the galaxy, looking outward at the galactic disk between us and intergalactic space outside the rim of our galaxy. This is the direction that we see the fewest stars. Wait until I can take a picture toward the CENTER of our galaxy and we'll see how good you are at picking out constellations then. ![]()
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Sub Skipper's Bag of Tricks, Slightly Subnuclear Mk 14 & Cutie, Slightly Subnuclear Deck Gun, EZPlot 2.0, TMOPlot, TMOKeys, SH4CMS Last edited by Rockin Robbins; 11-13-15 at 02:32 PM. |
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