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Contains:  IC 63, gamma Cas nebula
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IC 63 Ghost of Cassiopeia, 


IC 63 Ghost of Cassiopeia
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IC 63 Ghost of Cassiopeia

Technical card

Dates:Aug. 19, 2018

Frames: 22x360" ISO1600

Integration: 2.2 hours

Darks: ~20

Flats: ~25

Bias: ~40

Avg. Moon age: 8.47 days

Avg. Moon phase: 61.51%

Basic astrometry details job: 2208477

RA center: 0h 59' 46"

DEC center: +60° 58' 12"

Pixel scale: 0.280 arcsec/pixel

Orientation: 52.567 degrees

Field radius: 0.257 degrees

Resolution: 5496x3670

Data source: Backyard


Again IC 63: The Ghost of Cassiopeia. At least one of them.

Framing was kind of difficult because of Navi's rays. This is the close-up version compared to the previous one two days before in a "widefield" setting with the WO and the same camera:

Guiding again was superior. Smooth, no hickups. But temperature was in issue and due to focus shift on the course of the night I had to give up 10 light frames or one more hour to inegrate. Maybe a motor focusser will be the next investment.

Please have a look and contrast the one on the other and share your thoughts.

CS Andreas



License: None (All rights reserved)

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IC 63 Ghost of Cassiopeia,