NGC 2685 - Helix Galaxy (aka Arp 336) (Ruediger)

Celestial hemisphere: Northern · Constellation: Ursa Major (UMa) · Contains: Helix Galaxy · NGC 2685

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NGC 2685 - Helix Galaxy (aka Arp 336)

Revision title: Minor corrections

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NGC 2685 - Helix Galaxy (aka Arp 336)

Revision title: Minor corrections

Dear Friends,

this time a very small object. But one of the most specular ones: NGC 2685 - The Helix Galaxy.

The data was collected over two years in 9 nights. The problem is, the galaxy is only visible a few hours in two months, since the house's roof covers the FOV. Even more painful was, that I had to throw away more than 50% of the raw data due to tube seeing, turbulences over the warm roof, chimneys, gradients or bad seeing. In the end, it could be better (BTW: I hate the processing of data), but at a certain point you have to say it is enough. Period - and here we are.

Please enjoy!
Rüdiger

Original
Final
B
C

B

Title: Minor corrections

Uploaded: ...

C

Title: Overstretched LUM channel

Description: Based on the comments, I present also the overstretched LUM channel to make more details visible. It shows nicely, why it is called "Helix" Galaxy.

Uploaded: ...

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Status	Advanced success
Started	...
PixInsight job	RGD9B7CO9DPXBS16S58L2PAGIQ86VGBR
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	08h55m35s.209
RA (top/left)	08h54m54s.759
RA (top/right)	08h54m54s.968
RA (bottom/right)	08h56m15s.380
RA (bottom/left)	08h56m15s.778

Dec (center)	+58°44′03″.93
Dec (top/left)	+58°52′08″.20
Dec (top/right)	+58°36′00″.25
Dec (bottom/right)	+58°35′59″.99
Dec (bottom/left)	+58°52′06″.78

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NGC 2685 - Helix Galaxy (aka Arp 336)

Revision title: Minor corrections

NGC 2685 - Helix Galaxy (aka Arp 336)

Revision title: Minor corrections

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NGC 2685 - Helix Galaxy (aka Arp 336)

Revision title: Minor corrections

NGC 2685 - Helix Galaxy (aka Arp 336)

Revision title: Minor corrections

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