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I agreeImaging telescope or lens:Sky-Watcher EvoGuide 50ED
Imaging camera:Atik 490ex Color
Mount:AstroPhysics Mach1 GTO
Focal reducer:Starizona EvoFF
Software:PixInsight, Main Sequence Software Sequence Generator Pro
Filter:IDAS LPS-D1
Accessory:Starizona LensSlider
Resolution: 6222x4920
Dates:May 24, 2019
Frames: 538x60"
Integration: 9.0 hours
Avg. Moon age: 20.19 days
Avg. Moon phase: 70.22%
Astrometry.net job: 2739903
RA center: 246.630 degrees
DEC center: -25.034 degrees
Pixel scale: 2.929 arcsec/pixel
Orientation: 90.014 degrees
Field radius: 3.226 degrees
Locations: Duquesne, Pategonia, Arizona, United States
Data source: Own remote observatory
Remote source: Non-commercial independent facility
I have always loved the amazing variety in the Rho Ophiuchi cloud complex. It has blue reflection nebula, red emission nebula, dusty dark nebula and two globular clusters. My previous attempt at this region left me wanting more and was the inspiration for this project.
I took this four panel mosaic over four night ranging from late March to late May 2019. It is produced from the 538 exposures I decided to keep. This is my first attempt producing a mosaic and I am very happy with the results. I used the "synthetic star field" approach described in David Ault's Trapped Photons blog: http://trappedphotons.com/blog/?p=994.
This is also my first significant project with a new small telescope, the Sky-Watcher EvoGuide 50mm APO paired with the Starizona EvoFF field flattener. I have been looking for a wide field lens and tried this combination after less then stellar results with a Rokinon 135. I am very happy with the flatness of the EvoGuide, EvoFF combination. Kudos to Sky-Watcher and Starizona for producing a high quality, moderately priced, wide field instrument.
Arizona Astrophotographers |
The OSC Club (One Shot Camera) |
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