Antilhue - Chile

NGC 2736 - The Pencil Nebula
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Image Data

Designation NGC 2736, The Pencil Nebula, Vela Supernova Remnant (part)
Object type Nebula, Supernova remnant
Coordinates 09 h 00 min,  - 45° 56'
Constellation Vela (Vel)
Description This remarkable object, discovered and sketched by John Herschel in 1834, is a faint long narrow nebular streak in a rich star field of the Milky Way in the southern constellation Vela (The Sail). It is now known to be an isolated easterly filament of the Vela supernova remnant (VSR) which is centered some 4° to the west (top).  NGC 2736 emits strongly in the light of doubly ionized oxygen (OIII).  The field of view measures 14 x 21 arcminutes with north towards the left.
Exposure LRGB 180:60:90:120 min @ -15°C, all exposures 10 min, RGB binned 2x2
Camera SBIG ST-10XE selfguided,  CFW-8, Astronomik Type II RGB Filterset
Optics RCOS 14.5" Ritchey-Chrétien with AP 0.67X reducer working at f/6.56
Mount Astro-Physics AP1200GTO
Software MaxIm DL/CCD,  DeBloomer,  Sigma Pre Beta 11,  Adobe Photoshop CS
Location - Date - Time San Esteban (Chile) - 18/19Feb2004 - 07:30 UTC
Conditions Transparency 6,  Seeing 6, Temperature +11°C