Celestial hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)  ·  Contains:  Bubble Nebula  ·  NGC 7635
NGC7636 - Bubble Nebula, Volker Gutsmann
NGC7636 - Bubble Nebula
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NGC7636 - Bubble Nebula

NGC7636 - Bubble Nebula, Volker Gutsmann
NGC7636 - Bubble Nebula
Powered byPixInsight

NGC7636 - Bubble Nebula

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Description

The Bubble nebula is also a well known object, unlike many images here on Astrobin that home in on the Bubble with longer focal length, using 8in f4 will produce more a wide field.

As usual it is a starless work flow on the Ha, OIII and SII channels that were merged using modified Hubble palette. 14h exposure time went into the narrow band. For the first time I also tried adding a synthetic luminance channel (max(Ha,O3,S2) to the NB RGB. The resulting image was then merged with the RGB stars (another 2h exposure).

35x60s je RGB

46x300s Ha

70x300s O3

56x300s S2

19.-22.6.

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NGC7636 - Bubble Nebula, Volker Gutsmann

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Imaged with APT