Daily Archives: March 9, 2015

Seagull Nebula


Seagull Nebula  covers a 1.6 degree wide swath across the plane of the Milky Way, near the direction of Sirius, alpha star of the constellation Canis Major. Of course, the region includes objects with other catalog designations: notably NGC 2327, a compact, dusty emission region with an embedded massive star that forms the bird’s head (aka the Parrot Nebula, above center). Dominated by the reddish glow of atomic hydrogen, the complex of gas and dust clouds with bright young stars spans over 100 light-years at an estimated 3,800 light-year distance.

Imaging cameras: Canon 5D Mark II mod
Mounts: Skywatcher AZ EQ6 GT
Guiding telescopes or lenses: William Optics 50mm Guidescope
Guiding cameras: Astrolumina ALccd 5L-II
Focal reducers: TS 2″ Flattener
Software: Photoshop CC 2014,  O’Telescope Corporation BackyardEOS v3,  Lightroom 5, Open PHD PHD2 Guiding,  Luc Coiffier’s Deep Sky Stacker (DSS)
Filters: Hutech IDAS 2″ LPS P2,  IDAS LPS V4
Resolution: 4591×3058
Dates: Feb. 6, 2015
Frames: 50×300″
Integration: 4.2 hours
Avg. Moon age: 16.58 days
Avg. Moon phase: 96.34%
RA center: 106.473 degrees
DEC center: -11.116 degrees
Pixel scale: 2.708 arcsec/pixel
Orientation: 87.628 degrees
Field radius: 2.074 degrees
Locations: Dellbrück, Köln, NW, Germany
Author: Martin Junius

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