NGC 4490 and NGC 4485 or ARP 269 (Riedl Rudolf)

Celestial hemisphere: Northern · Constellation: Canes Venatici (CVn) · Contains: NGC 4485 · NGC 4490 · PGC 2175465 · PGC 2176015 · PGC 2176707 · PGC 2176822 · PGC 2177748 · PGC 2178531 · PGC 2178644 · PGC 2179490 · PGC 2179949 · PGC 2182903 · PGC 2183591 · PGC 2183842 · PGC 2183944 · PGC 2184099 · PGC 2184271 · PGC 2185016 · PGC 2185170 · PGC 2185391 · PGC 2185640 · PGC 2186780 · PGC 2187250 · PGC 2189146 · PGC 2190258 · PGC 3087922 · PGC 40965 · PGC 41093 · PGC 89540

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NGC 4490 and NGC 4485 or ARP 269

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NGC 4490 and NGC 4485 or ARP 269

NGC 4490 and NGC 4485 form the ARP Galaxy group 269.

NGC 4490 has a size of 6,4 x 3,2 arcmin and is in a didtance of 27 Mio Lj. The real diameter is 50.000 Lj. Thre is a disturbed arm which has a size of 24.000 Lj and goes to the other galaxy

NGC 4485 which is heavily distrubed.

The size of this galaxy is 2,4 x 1,8 arcmin.

Beside the PGC Galaxies its intersting to see plenty of very small very distand galaxies in the background. Zoom in :-)

Nikon Imagers
Schmidt-Cassegrain Telescope (SCT) Imagers

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Distribution of astrophotographers

This table shows the number of distinct astrophotographers who have been assigned and IOTD/TP award compared to the total number of images awarded.
	Distinct awarded users	Total awarded images
Image of the day
Top picks
Top pick nominations

Distribution of subject types

This table shows the distribution of awards per subject type, compared to the popularity of images of that subject type.
	Image of the day	Top pick	Top pick nominations	Total submitted
Deep sky
Solar system
Extremely wide field
Star trails
Northern lights
Noctilucent clouds
Landscape

Distribution of data sources

This table shows the distribution of awards per data source, compared to the popularity of images acquired from that data source.
	Image of the day	Top pick	Top pick nominations	Total submitted
Backyard
Traveller
Own remote observatory
Amateur hosting facility
Public amaeteur data
Professional, scientific grade data
Mix of multiple sources
Other
Unknown

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.

Submitted The date and time when you submitted this image for IOTD/TP consideration.	...
Views by Submitters (available since September 19th, 2023) Every image is assigned to 50% of available Submitters. In the event that at least 80% of them don't view the image before its time in the IOTD/TP process expires, it's assigned to the other 50% of Submitters and the process begins anew.
Promotions by Submitters When 3 distinct Submitters promote the image, it moves on to the next stage of the process: evaluation for Top Pick status. This requirement, in addition to anonymization of images and distribution to only a subset of them, prevents biases and ensures that the best images are selected.
Promotions by Reviewers When 3 distinct Reviewers promote the image, it moves on to the next stage of the process: evaluation for IOTD status.
Early dismissal Staff members have a lot of images to inspect on a daily basis, and they can dismiss images if they believe they don't meet the requirements for IOTD/TP selection. If an image is dismissed 5 times, it's removed from the process. This streamlines the process and ensures that any bias present in promotions could be overruled by other staff members.

Status	Advanced success
Started	...
Astrometry.net job	4240196
PixInsight job	JX7W2N1N8PSMWL85WQ9PK4KOE7DNM18L
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	12h30m04s.65
RA (top/left)	12h32m51s.41
RA (top/right)	12h27m08s.80
RA (bottom/right)	12h27m20s.88
RA (bottom/left)	12h32m58s.20

Dec (center)	+41°39′26″.0
Dec (top/left)	+42°14′29″.3
Dec (top/right)	+42°12′47″.8
Dec (bottom/right)	+41°04′10″.1
Dec (bottom/left)	+41°05′49″.8

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NGC 4490 and NGC 4485 or ARP 269

NGC 4490 and NGC 4485 or ARP 269

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NGC 4490 and NGC 4485 or ARP 269

NGC 4490 and NGC 4485 or ARP 269

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