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| 166 files in 7 albums and 1 categories with 0 comments viewed 15,768 times |
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M5151 views7/14/2005 8:53:48 AM
M51 10" LXD-55 UHTC prime focus SAC7b 297 30 sec images captured in Astrovideo and processed with FitsX and Photoshop 5/20/05
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North American Nebula, 3 image pan76 views3 image panorama. 4 minute exposure each image.
2.5 x 4.1 deg.
Stitched with Paroama Plus 3.0, stretched with Picture Window Pro 2.5
No dark frame subtraction.
Contrast enhanced (histogram stretch)
Camera - Canon Rebel XTi
Taken at Stellafane 2007
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ISS - Jupiter - Shuttle Comparison92 viewsComparision of International Space Station, Jupiter and the Shuttle Endeavor.
Images were take the same evening and the scale is the same.
300 x 300 pixel crops from 3888 x 2592 pixel originals.
Prime focus (1407mm focal length).
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Telescopes on The Hill168 views
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Telescopes on The Hill165 views
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Rosette Nebula60 viewsSum of 80 60 sec frames taken with a modified Canon EOS XT camera
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Markarians chain of galaxies in Virgo56 viewslarge group of galaxies and part of the Markarians chain photographed from Alburgh VT on 3/7/08. 100 30 sec frames with Canon XT
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Galaxy Cluster in Coma Berenices 91 viewsat RA 13h 0m DEC +28deg
Stack of 19 images x 5min (1hr 35min total exposure time)
I counted 165 galaxies in this image. I expect there are well over 200.
Field of view: 0.90 x 0.60 deg.
Camera Canon Rebel XTi, prime focus, ISO 1600
North-up
West-right
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M81 and M827 views2 gallaxies relatively close to us.
2010-03-17, 10:39PM EDT to 2010-03-18, 1:08AM EDT
Middlebury, VT
Constellation - Ursa Major
Exp 11x720sec (12min) subs (2hr 12min total)
ISO 1600
Camera - Modified Canon Rebel XT
with Orion Broadband Light Pollution FilterMay 24, 2011
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Green Flash Sequence from Marathon Key214 viewsWe watch for it 6 times and saw it 3 times.
Canon Rebel XTi 55-200mm zoom with polarizers
(the polarizers were not needed I just didn't bother to take it off.
Set at 200mm f/5.6, iso200, 1/640 sec.
The "green flash" occurs because the atmosphere strongly refracts lights of objects low on the horizon, just like a prism. With red on the bottom and blue on the top.Jun 05, 2010
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Horsehead Nebula108 viewsHorsehead Nebula, IC434, NGC2023 NGC2024
2010-03-06
Middlebury, VT
Constellation - Orion
Exp 14x180sec (42min total)
ISO 1600
North - left
4.25 inch f/3.9 (422mm fl) reflector
Field of view: 1.9 x 2.9 deg.
German Equatorial Mount (Super Polaris model)
Camera - Modified Canon Rebel XT (350D)
with Orion Broadband Light Pollution Filter
with Baader Coma Corrector (MPCC)
Temp. 27 to 22 degree F
Transparency 20.10 mag/arc sec (Sky Quality Meter)
Seeing 5 (1-10)Mar 21, 2010
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M81 and M82117 viewsM81 & M82
2010-03-17, 10:39PM EDT to 2010-03-18, 1:08AM EDT
Middlebury, VT
Constellation - Ursa Major
Exp 11x720sec (12min) subs (2hr 12min total)
ISO 1600
Focus was soft. The seeing was poor and the tracking was problamatic, had to use 5sec integrations and that's a little too long for my setup. All the subs had a little trailing and could not use 4 of them.
Camera - Modified Canon Rebel XT
Autoguider (Meade Pictor 201XT)Mar 21, 2010
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The Leo Triplet105 viewsM65, M66, NGC3629
2010-03-16, 10:59PM EDT to
2010-03-17, 12:23AM EDT
Middlebury, VT
Constellation - Leo
Exp 11x480sec (88 min total)
ISO 1600
North - right
Camera - Modified Canon Rebel XT (350D)
with Orion Broadband Light Pollution Filter
Autoguider (Meade Pictor 201XT)
Temperature - 26 degree F
Transparency 20.80 mag/arc sec (Sky Quality Meter) (20.86 at zenith)
Seeing 7 (1-10)Mar 21, 2010
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![Leo_1_Dwarf_Galaxy_10x8min_10inf5_[wav1]_chist1_NR1_hist1_unshpR3T5_chist-(med)-rotated.JPG](albums/userpics/thumb_Leo_1_Dwarf_Galaxy_10x8min_10inf5_%5Bwav1%5D_chist1_NR1_hist1_unshpR3T5_chist-%28med%29-rotated.JPG "Filename=Leo_1_Dwarf_Galaxy_10x8min_10inf5_[wav1]_chist1_NR1_hist1_unshpR3T5_chist-(med)-rotated.JPG
Filesize=214KiB
Dimensions=1037x1555
Date added=Mar 21, 2010")
Leo 1 Dwarf Galaxy94 viewsLeo 1 is a nearby dwarf galaxy.
The bright star is Regulus
2010-03-06, 10:49 PM EST to 2010-03-07, 12:01AM EST
Middlebury, VT
Constellation - Leo
Exp 10 x 480sec (80 minutes total)
ISO 1600
North - up
Camera- Canon Rebel XTi
Transparency 20.55 mag/arc sec at target (Sky Quality Meter) (20.70 at zenith)
Autoguided (Meade Pictor 201XT)Mar 21, 2010
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M33 (The Whirlpool Galaxy)159 viewsM33 (The Whirlpool Galaxy)
Middlebury, VT
Constellation - Triangulum
Combined images from 2 sessions
Exp 9x8min (2010-01-12) and 10x8min (2009-11-17) Total exp 2hr 32m
ISO 1600
North - right
10 inch f/5.6 (1407mm fl) Newtonian (Homemade with Coulter Optics)
Field of view: 0.90 x 0.60 deg.
Camera - Modified Canon Rebel XT (350D) (8 mega pixel) (modified by Hap Griffin) (sensor
with Orion Broadband Light Pollution Filter and Baader Coma Corrector (MPCC)Jan 17, 2010
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Eastern Veil Neb111 views4 image mosaic
Four single 6 min exposures.
Noise Reduction - Noise Ninja
Stitching - Serif's Panorama Plus 3
Other Processing - Picture Window Pro 5.0
The Moon was rising when the bottom 2 images were taken, hence no images to stack.Nov 15, 2009
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