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Contains:  NGC 2239, NGC 2244, NGC 2252, Rosette nebula, The star 12Mon
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The Rosette nebula, 


            Jim Knapp
The Rosette nebula
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The Rosette nebula

Technical card

Imaging telescopes or lenses: Astro Tech AT65EDQ 65mm f/6.5 ED quadruplet

Imaging cameras: Canon XSi, Baader modified

Mounts: CGEM

Guiding telescopes or lenses: Converted 9x50 finder

Software: DeepSky Stacker  ·  Adobe Photoshop 5 CS  ·  BackyardEOS v3 deluxe

Filters: Baader UHC-S 2"

Dates:Jan. 27, 2014

Frames: 47x300"

Integration: 3.9 hours

Avg. Moon age: 25.61 days

Avg. Moon phase: 16.42%

Basic astrometry details job: 470500

RA center: 6h 31' 54"

DEC center: +4° 57' 0"

Pixel scale: 3.373 arcsec/pixel

Orientation: 178.385 degrees

Field radius: 1.802 degrees

Resolution: 3206x2126

Locations: home, Albuquerque, New Mexico, United States

Data source: Backyard


This was my first image with the AT65EDQ, last January.



Jim Knapp
License: None (All rights reserved)

Sky plot

Sky plot


The Rosette nebula, 


            Jim Knapp