Hubble 12 (pk111-02.1) (lowenthalm)

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: TYC4011-609-1

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Hubble 12 (pk111-02.1)

Acquisition type: Lucky imaging

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Hubble 12 (pk111-02.1)

Acquisition type: Lucky imaging

This is tiny a bipolar planetary nebula made famous in a well known Hubble Space Telescope image. I have imaged it a couple of times, most recently with my new 2800mm focal length 11" Celestron SCT on a night in my backyard when seeing was very good. I used my Duoband filter, which greatly reduced the brightness of the star. This made it a lot easier to capture the nebula around it. My previous attempt was with an IDAS filter back in 2019 using my 16" dob. I used this old data to supply roughly correct star colors to the image, since star colors with the duoband filter are nowhere near correct.

The upper inset shows a magnified view of the object in my image, doubled to 0.17 arc seconds per pixel, while the lower inset shows the HST version of the nebula scaled (way) down to the same size for reference.

This was captured using the lucky imaging technique, with each of four the 9 minute SCT images being a live stack of 270 x 2 second images.

Planetary Nebulae

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Planetary Nebula

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Status	Advanced success
Started	...
Astrometry.net job	6292214
PixInsight job	IDWDTXWBB8HZ62LHFB2HKFNX1DAKP9Y7
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	23h26m03s.861
RA (top/left)	23h26m35s.693
RA (top/right)	23h25m32s.105
RA (bottom/right)	23h25m32s.223
RA (bottom/left)	23h26m35s.584

Dec (center)	+58°10′59″.99
Dec (top/left)	+58°13′54″.52
Dec (top/right)	+58°13′54″.31
Dec (bottom/right)	+58°08′03″.87
Dec (bottom/left)	+58°08′03″.54

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Hubble 12 (pk111-02.1)

Hubble 12 (pk111-02.1)

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Hubble 12 (pk111-02.1)

Hubble 12 (pk111-02.1)

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