Messier 61 - 12 hours (Antoine Grelin)

Celestial hemisphere: Northern · Constellation: Virgo (Vir) · Contains: HD107657 · M 61 · NGC 4292 · NGC 4301 · NGC 4303

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Messier 61 - 12 hours

Revision title: M61 close-up with Tidal tail

Link: https://www.galactic-hunter.com/post/messier-61-astrophotography

Powered byPixInsight

Messier 61 - 12 hours

Revision title: M61 close-up with Tidal tail

Link: https://www.galactic-hunter.com/post/messier-61-astrophotography

M61 captured with the RASA 8 and ASi2600MC, 12 hours total.

Several other galaxies visible around. Processing was mostly focused on revealing the trail of dust coming out of the galaxy, sacrificing a bit of the other parts of the image and adding noise. But I thought this dust was very interesting! I seems to be a tidal tail, which is visible better on the final revision which I reprocessed carefully after cropping.

More info: https://www.galactic-hunter.com/post/messier-61-astrophotography

EDIT: It seems like another user has seen the tail before, and so it confirms it is not a smudge or other artefact! See here: https://www.astrobin.com/jvnqpt/Q/

Original
Final
B
C

B

Title: M61 close-up with Tidal tail

Uploaded: ...

C

Title: M61 with arrows pointed to the tidal stream

Uploaded: ...

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Status	Advanced success
Started	...
PixInsight job	SR9HDOWZS1M0GMSKO3V5F9TL9DFET83E
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	12h21m48s.85
RA (top/left)	12h23m48s.97
RA (top/right)	12h22m08s.35
RA (bottom/right)	12h19m48s.61
RA (bottom/left)	12h21m29s.11

Dec (center)	+04°35′49″.3
Dec (top/left)	+04°49′31″.0
Dec (top/right)	+04°03′15″.6
Dec (bottom/right)	+04°22′05″.8
Dec (bottom/left)	+05°08′23″.3

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Messier 61 - 12 hours

Revision title: M61 close-up with Tidal tail

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Revision title: M61 close-up with Tidal tail

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Messier 61 - 12 hours

Revision title: M61 close-up with Tidal tail

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Revision title: M61 close-up with Tidal tail

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