Celestial hemisphere:  Northern  ·  Constellation: Coma Berenices (Com)  ·  Contains:  NGC 3987  ·  NGC 3989  ·  NGC 3993  ·  NGC 3997  ·  NGC 3999  ·  NGC 4000  ·  NGC 4005  ·  NGC 4009  ·  NGC 4011  ·  NGC 4015  ·  NGC 4018  ·  NGC 4021  ·  NGC 4022  ·  NGC 4023  ·  PGC 1705483  ·  PGC 1705823  ·  PGC 1706145  ·  PGC 1706389  ·  PGC 1706435  ·  PGC 1706693  ·  PGC 1706782  ·  PGC 1706843  ·  PGC 1706849  ·  PGC 1707267  ·  PGC 1708532  ·  PGC 1708657  ·  PGC 1708705  ·  PGC 1708711  ·  PGC 1708836  ·  PGC 1709977  ·  And 128 more.
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NGC 4015 or ARP 138 Group, NGC 3987 - LGG 261 Group and NGC 3997 - LGG 260 Group Wide Field, Riedl Rudolf
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NGC 4015 or ARP 138 Group, NGC 3987 - LGG 261 Group and NGC 3997 - LGG 260 Group Wide Field

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NGC 4015 or ARP 138 Group, NGC 3987 - LGG 261 Group and NGC 3997 - LGG 260 Group Wide Field, Riedl Rudolf
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NGC 4015 or ARP 138 Group, NGC 3987 - LGG 261 Group and NGC 3997 - LGG 260 Group Wide Field

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Description

This is the description from the picture with the C11 which you can find here



NGC 4015 is a interacting Galaxy with PGC 37703. The groups distance is 194 Mio Lj. ARP 138

LGG 260 is a group with NGC 3997 and NGC 3989 and NGC 3993 in a distance of 212 Mio Lj

LGG 261 consists of NGC 3987, NGC 4000, NGC 4005 and NGC 4018 in 200 Mio Lj distance

Sizes in arcmin are:

NGC 4015 2,0 x 1,5 PGC37703 0,8 x 0,3

NGC 3987 2,2 x 0,4

NGC 3989 0,6 x 0,3

NGC 3997 1,6 x 0,7

NGC 4007 1,2 x 0,7

and a lot more

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NGC 4015 or ARP 138 Group, NGC 3987 - LGG 261 Group and NGC 3997 - LGG 260 Group Wide Field, Riedl Rudolf