Arp 186 / NGC 1614 (Rudi Bjørn Rasmussen)

Celestial hemisphere: Southern · Constellation: Eridanus (Eri) · Contains: 47 Eri · HD28923 · HD28980 · HD29065 · HD29152 · HD29183 · NGC 1614 · The star 47Eri

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Arp 186 / NGC 1614

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Arp 186 / NGC 1614

I am very facinated by the irregular galaxies from Arp's catalog and love to photograph them.

So after seeing Gary Imm's image of Arp 186 the other day (https://www.astrobin.com/6dxtcr/0/?nc=user), this galaxy was on my list.

Sunday evening, it cleared up over Denmark, however, the seeing was poor, FWHM over 5" and a nasty skyglow was eminent.

Further more, at 55° latitude north, Arp 186 at almost 10° south declination didn't make the task easier. Arp 186 rised around 17:00 CET in the nautical twilight, but I had to wait until 18:15, where Arp 186 was at about 18° altitude and had just cleared the observatory walls. Due to the skyglow, I keep exposure times at 120 seconds.

Guiding wasn't great, probably due to the poor seeing.

L: 26 x 120 s

R: 24 x 120 s

G: 23 x 120 s

B: 23 x 120 s

50 x 120s darks + 25 flats and 25 flatdarks for each of the four LRGB filters

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The “AstroBin Image of the Day and Top Picks”, or IOTD/TP, is a long-running system to promote beautiful, interesting, peculiar, or otherwise amazing astrophotographs, with a focus on technical excellence. Learn more.

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Status	Advanced success
Started	...
Astrometry.net job	3196176
PixInsight job	S4BDB3ZD0IJSVITMSVRE4RXX6RCKJEWF
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	04h33m58s.345
RA (top/left)	04h36m31s.494
RA (top/right)	04h31m24s.770
RA (bottom/right)	04h31m24s.448
RA (bottom/left)	04h36m32s.237

Dec (center)	-08°34′27″.98
Dec (top/left)	-08°05′38″.27
Dec (top/right)	-08°05′43″.56
Dec (bottom/right)	-09°03′15″.45
Dec (bottom/left)	-09°03′08″.93

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Arp 186 / NGC 1614

Arp 186 / NGC 1614

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Arp 186 / NGC 1614

Arp 186 / NGC 1614

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