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M1061048 views
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Summary of Sky Brightness Results981 viewsAcquired using an SBIG ST-2000 with a Borg 45mm.
Calibrated using a normal night on Palomar Mountain.
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Day03959 viewsDate:4/21/04
Telescope: 12" F10 Lx200 @f7
Mount: Lx 200
Camera:Nikon D100
Exposure:
Location: Escondido Ca (my driveway in Hidden Meadows)
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3x15min Ha 18x3min lum 25" RC856 viewsSample stretched too far but shows background
This is only stretched
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Superbowl 45: The Cheeseheads812 views
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Milky Way May 2011 Explore the Stars767 views4x10 min 16mm lens Sbig 11000
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NGC 2403734 viewsThis is all the data that I took to find the limiting magnitude of various exposure lengths
Imaged at: Escondido and Blair Valley
Equipment:
Optics - 8" F5
Mount - Takahashi NJP
Camera - SBIG STL-11000
Exposure Information: approx. 25x10min, 7x5 min for L, 7x5 min each RGB
Image Processing Software:
I used Registar to register the color data to the luminance, then used Photoshop to do some Curves/Levels adjustments.
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Comet C/2011 L4 PANSTARRS 3/12/2013731 viewsTaken from my house 10 miles north of Escondido Ca
Comet C/2011 L4 PANSTARRS 3/12/2013
Canon EOS REBEL T1i
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
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Cygnus in Ha699 views9x20min Ha Nikon 105mm f2.5 @f4 Sbig 11000
Escondido Ca
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697 views
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Gamma Cyngnus Region 200mm684 viewsTelescope:200mm Nikkor @f4
Mount: Takashi NJP
Camera:Sbig 2000xm
Exposure:30 Min (2x15min)
Location: Palomar Mountain
Date: 8/24/03
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M33 Wood678 views17x5min sbig 4000 color
Dark subtract-Flat Boxcar
color convert1:1:1
Sigma combine
Stretch in Photoshop and cut down the blue
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