The Pleiades Star Cluster - M45
First Light with New Orion 8" f/4 Astrograph
Optics: 8" f/4 Newtonian Astrograph w/Baader MPCC Coma Corrector
Platform: Astrophysics AP1200
Camera: Hutech Modified Canon XTi @ ISO800
Exposure: 12 x 5m
Location: Payson, Arizona
Elevation: 5150 ft.
Sky: Seeing 4/10, Transparency 9/10
Outside Temperature: 35F
Processing Tools: Photoshop CS2, Images Plus 3.82
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larger 1.5 degree field of view, the new instrument saw its first
use this week, and for the first time I can frame this entire
object in one shot. Guiding was done with a piggyback Stellarvue
SV80s, another astrograph and a 2x Televue barlow.
One of the closest
star clusters to Earth, wrapped in a blue haze of filamentary
reflection nebulosity O and B type stars the primary illuminators.
The nebula itself is NGC1432, which spans the entire field with
a blue nebulosity. There are at least a dozen faint galaxies
in this image, the most prominent in the lower right corner,
UGC2838 - an 18th magnitude spindle 1.5 arcminutes in size.