NGC 3800 and 3799 (Arp 83) (Madratter)

Image of the day 03/23/2015

NGC 3800 and 3799 (Arp 83)

This is thought to be a true interacting pair located in Leo near Denebola. NGC 3800 is the larger and brighter of the two at magnitude 12.5 and 2' x .6' in size. NGC 3799 is magnitude 13.7 and is just .7' x .5' in extent. Nearby is PGC 1483652. It shines at magnitude 17.46 and is .6' x .2'. According to NED, the mean measurement for NGC 3800 is around 44.8 Mpc (146 million light years) distant. There are only two measurements for NGC 3799 and they are wildly discrepant. It appears from my image that NGC 3799 is a barred spiral. It is pretty clear from my image that NGC 3800 is a wildly distorted mess but it is a spiral of some sort. NED gives it as SAB(rs)b: pec.

Version A is the full sized version with South at the top.

Version B is a crop so the detail can be more easily seen.

Version C is oriented North to the top. It was integrated using a max function to bring out the asteroids that passed through the area. The most obvious one is to the left and is (42920) 1999 SA8. It has an estimated magnitude of 16.69 (TheSkyX Pro). Below Arp 83 in the bottom right corner is a much fainter asteroid, (123336) 2000 VD45. It has an estimated magnitude of 18.47.

Version D adds another 90 minutes of luminosity data bring the total to 4 hours 50 minutes. It is also rotated so North is at the top.

Version E is an annotated version of D.

Version F is a 1:1 crop of the central region.

Version G is the same except saved as a PNG instead of JPEG.

Version H adds in the RGB subs.

Version I is an annotated version of H.

Version J is a 1:1 crop of the central version of H.

Version K is an animated GIF with South to the top. It shows the passage of at least two asteroids. (42920) 1999 SA8 is to the right and is the more obvious of the two. Much fainter is (123336) 2000 VD45 and is located well above NGC 3800.

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Status	Advanced success
Started	...
Astrometry.net job	3379518
PixInsight job	VTTZHKMXXVO61FTP7WGT0J9N9H94G23H
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	11h40m13s.237
RA (top/left)	11h40m37s.859
RA (top/right)	11h39m48s.903
RA (bottom/right)	11h39m48s.613
RA (bottom/left)	11h40m37s.547

Dec (center)	+15°20′31″.20
Dec (top/left)	+15°24′53″.73
Dec (top/right)	+15°24′59″.20
Dec (bottom/right)	+15°16′08″.22
Dec (bottom/left)	+15°16′02″.63

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Image of the day 03/23/2015

NGC 3800 and 3799 (Arp 83)

Image of the day 03/23/2015

NGC 3800 and 3799 (Arp 83)

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Image Index:

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Image of the day 03/23/2015

NGC 3800 and 3799 (Arp 83)

Image of the day 03/23/2015

NGC 3800 and 3799 (Arp 83)

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