Celestial hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)  ·  Contains:  Sh2-170
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Sh2-170, HOO, Stephen Garretson
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Sh2-170, HOO

Getting plate-solving status, please wait...
Sh2-170, HOO, Stephen Garretson
Powered byPixInsight

Sh2-170, HOO

Equipment

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Acquisition details

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Description

This is Sh2-170 in Cassiopeia, known as the Little Rosette Nebula for it's [slight] similarity to the famous Rosette Nebula in Monoceros. "Little"as its apparent size is 20 x 20 arcminutes vs 80 x 60 arcminutes for its big sister. I was planning on more data, particularly OIII, which is not strong, but was clouded out after 2 hours of collection and decided to post what I had.


[18] 600s Ha guided subs
[12] 600s OIII guided subs
5 hours total integration

William Optics FLT 132 APO w/ William Optics .8x reducer flattener, f/5.6
AS 2600MM Pro
SX USB filter wheel
Baader 3.5nm Ha filter, Chroma 3nm OIII filter
Paramount MX+

TheSkyX, SGP, PHD2
PixInsight, Topaz DeNoise AI, Photoshop, Mac  OS Photos, Preview

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Sh2-170, HOO, Stephen Garretson

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The refractors!