Celestial hemisphere:  Northern  ·  Constellation: Coma Berenices (Com)  ·  Contains:  IC 3609  ·  M 91  ·  NGC 4548  ·  NGC 4571
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Coma Berenices Asterism with NGC4571 and M91, Jim Lindelien
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Coma Berenices Asterism with NGC4571 and M91

Getting plate-solving status, please wait...
Coma Berenices Asterism with NGC4571 and M91, Jim Lindelien
Powered byPixInsight

Coma Berenices Asterism with NGC4571 and M91

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Description

A visual treat in Coma Berenices, highlighting two Virgo Cluster galaxies: the barred spiral M91 at 63 +/- 16 Mly distance and central spiral NGC 4571 (58 +/- 11 Mly), aligned with a colorful asterism of nearby stars of our Milky Way consisting of:

Double star HD109942 (brighter yellow), visual magnitude 7.21
Double star HD109983 (central red), m8.77
Star TYC 881-803-1 (blue), m9.23
Star TYC 881-860-1 (dimmer yellow), m9.58

...besides a bountiful bonanza of background galaxies.

This FOV caught my eye while I was doing a mosaic of the Markarian Chain last year (https://www.astrobin.com/d0iu7p/) and these subs have been languishing on the hard drive since then.

Mono Imaging:
02Apr21 ASI6200MM-Pro Red 60x60sec, gain 100; SQM 20.42 15C
04Apr21 ASI6200MM-Pro Green 60x60sec, gain 100; SQM 20.54 14C
07Apr21 ASI6200MM-Pro Lum 120x30sec, gain 100; SQM 20.55 8C
09Apr21 ASI6200MM-Pro Blue 60x60sec, gain 100; SQM 20.59 7C

OSC Imaging:
15Apr21 ASI128MC-Pro Lum 120x60sec, gain 132; SQM 20.50 7C

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