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Sunday, October 21, 2012

New imaging project, the "Pickering's Triangle"



Last night was clear! I managed to get ~5h H-alpha exposures for the "Pickering's Triangle" in the Veil Nebula supernova remnant.
This is a dim target, I'll need additional exposures for this. Together, with S-II and O-III exposures, about 15 more hours is needed for a good signal to noise. 



 "Pickering's Triangle"
A detail from the Veil Nebula supernova remnant

H-alpha, 15x1200s =5h


A closeup



Orientation in the Veil Nebula

Area of interest is marked as a white rectangle


Technical details:

Processing work flow:
Image acquisition, MaxiDL v5.07.
Stacked and calibrated in CCDStack2.
Levels and curvesin PS CS3.

Optics, Meade LX200 GPS 12" @ f5
Camera, QHY9
Guiding, SXV-AO, an active optics unit, and Lodestar guide camera
Image Scale, ~0,8 arc-seconds/pixel
165 x 1200s exposures for H-alpha emission = 5h 


















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