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487 files in 27 albums and 1 categories with 0 comments viewed 392,482 times

Rosie's Pictures

2011-02-07 Super Bowl 2011.jpg

1 files, last one added on Feb 12, 2011
Album viewed 375 times


25 albums on 3 page(s) 3

Random files
Mid Eclipse Widefield View619 viewsNon tracking 10 sec exposure
105mm f2.5 with a Nikon D100
Indian Bird Wrasse454 views
Day14447 viewsDate:5/2/04
Telescope: 16” Meade Dob f4.5 @ f5.3
Mount: Dob
Camera:Nikon D100
Location: Escondido Ca (my driveway in Hidden Meadows)
Abell 2666614 views11x5min 8" f6 Sbig 11000
Palomar 9/4/2010
Day20562 viewsDate:5/9/04
Telescope: 16” Meade Dob f4.5 @ f5.3
Mount: Dob
Camera:Nikon D100
Location: Escondido Ca (my driveway in Hidden Meadows)
z-Copernicus492 views

Moon showing Libration596 viewsPictures taken 13.5 days apart showing libration (in both dirctions) and a change in size.
The Moon’s rotation period is equal to the time for the Moon to orbit around the Earth one time, thus it always has the same side facing the Earth. There are however three major sources of Lunar Libration that allow us to see more of the Moon.
1. East- West Libration-The Moon has an elliptical orbit about the Earth, when the moon is closer to the Earth it speeds up and when it is farther away it slows down. This allows us to see a bit farther in the east-west direction.
2. North-South Libration-The Moon's orbit is tilted to the ecliptic plane and to the Earth's equator. This allows us to see a bit more in the north-south direction as the orientation changes.
3. Slight East-West-North-South Libration- The location on the Earth that the Moon is being observed from causes a slight shift in what part of the Moon is visible. If you are at the poles you get a little help in the North –South direction and if look at the Moon in the Evening vs. the morning you see a bit more in the East-West direction.
m106-17x10m12X5min-RGB3 copyworkbl.jpg
M106 Image Taken at April 2008 Explore the Stars6810 viewsAuggie took the images
Telescope: Discovery 8” f5 with Tele Vue STL coma corrector
Mount: Takahashi NJP
Camera: Sbig 11000
Exposure: Luminance 17x10 min RGB 12x5min
Filters: RGB-Astronomik
Location: Observatory Campground at Palomar
Date:4/4-5/2008 and 4/5-6/2008

Last additions
California Nebula NGC 14991096 viewsZWO ASA 1600 130 x 122 sec Ha binned 2x2 Takahashi 60 mm at about f 4.4Nov 25, 2017
1 August 2013 Explore the Stars3186 viewsAug 16, 2013
A Milky Way Picture Taken at the June 2013 Explore the Stars Program26301 viewsWide angle (8mm) lens with a Canon Rebel XT
19 3 Minute Exposures
Jun 19, 2013
Comet C/2011 L4 PANSTARRS 3/12/2013900 viewsTaken from my house 10 miles north of Escondido Ca
Comet C/2011 L4 PANSTARRS 3/12/2013
2x6 sec.
ISO 200
Uranus is visible in the original and using it as a reference I would estimate the magnitude of the comet to be about +1.5
Mar 13, 2013
Milky Way May 2011 Explore the Stars996 views4x10 min 16mm lens Sbig 11000Jun 12, 2011
Milky Way May 2011 Explore the Stars2296 views4x10min Red with a 16 mm lens and an Sbig 11000 cameraJun 12, 2011
2011-02-07 Super Bowl 2011.jpg
Superbowl 45: The Cheeseheads1069 viewsFeb 12, 2011
886 viewsFeb 12, 2011