Thursday, July 17, 2008
Sh2-240 Reprocessed
This was really hard to catch and process.
Somehow better now, I think.
The Sh2-240 (Simeis 147) is a very faint supernova remaint in Taurus.
The image is in false color to show hydrogen alpha emission.Original BW H-alpha image at the bottom
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IMAGING DETAILS
-Optics:
Canon FD 200mm f2.8 lens with full aperature
- Camera:
QHY8
- Platform and guiding:
LX200 GPS 12" with QHY5 guider and PHD-guiding
- Exposures:
10 x 3600s + 4 x 2700s + 3 x 900s H-alpha + Flats and Bias frames, no darks
exposure time so far 13h 45min.
- Filter:
Baader 7nm H-alp + IDAS LP for RGB
H-alpha
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