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Thread: Zigzag galaxies hopping from CVn down to CBr

  1. #1
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    Default Zigzag galaxies hopping from CVn down to CBr



    Hello all,

    the area of skies south off Canes Venatici down to the northern Coma Berenices is nicely populated with the galaxies, so that you'll hop from one to the next one. Moreover, some of them are the Arp's peculiar galaxies, the irregular galaxies, galaxies with the bright star-birth regions, and even one Seyfert galaxy. The both thin needles there, belong to the best edge-on galaxies in the northern skies.

    I start this zigzag tour at Beta Canum Venaticorum, and when I can see the nearby NGC 4490 (Arp 269), then here we are. Another peculiar galaxy, the NGC 4618 (Arp 23), is a nice bonus when you turn left to find the M94.

    A leap of nearly 5° towards SW, and the reward is the large edge-on galaxy, The Silver Needle NGC 4244, with the dimensions 18.5'x2.3'. It reveals an amazing view through the exit pupils around 3mm and below, and it is also amazing through the 25x100 binoculars.

    2° to the south, and the large magellanic irregular galaxy NGC 4214 pops up in the eyepiece. The good visibility of this galaxy is also thanks to the ionized Hydrogen star-birth regions inside.

    Another leap of 3° towards SE, and the NGC 4395 appears. This bright face-on spiral galaxy has been, for whatever reason, neglected in lots of the popular lists.

    Slightly more than 1° to the east there is a wide pair (N-S aligned) of bright stars, showing the way towards The Wale Galaxy NGC 4631. The Wale is a large peculiar galaxy (Arp 281), and under the good observing conditions, the mottling becomes visible. Herewith we are leaving the CVN I Galaxies Group for the COMA I Galaxies Group, where The Wale is its leading member.

    In order to hop in the NGC 4414, the best way is to return to the NGC 4395, and to move 2° towards S. The NGC 4414 is a small spiral galaxy with a high surface brightness of 12.7mag/(squared arcmin), and hence also of interest for the urban observers.

    Now, we are approaching a dense population of galaxies, making a right angled triangle, with the apex showing towards the population at W. The first galaxy is a small spiral NGC 4314, followed by the brighter NGC 4274 towards SW, and another bright NGC 4278 towards S. The NGC 4245, W off the NGC 4274, appears much fainter. These all 4 galaxies fit within a field of view of 1°, and they show a remarkable "Galaxies Quattro" through the wide or ultrawide eyepieces.

    Here we are very close to the Coma Berenices Cluster, the Melotte 111, and the bright Gamma Comae Berenics is a good lighthouse. 1.5° towards E is the bright galaxy NGC 4559 with the ionized Hydrogen star-birth regions. This galaxy reveals a N-S aligned and slightly irregular streak of light, and under the optimal observing conditions, also a hint of a 'patched' surface.

    2° towards S, there is another amazing edge-on galaxy, the NGC 4565 -The Needle, or The Berenice's Hairclip. The size, and the axes ratio, is similar to that of the Silver Needle NGC 4244, but the inclinations are opposite. The bulge of the Berenice's Hairclip appears smaller and brighter than in The Silver Needle.

    In the same field of view is the small NGC 4494, "hanging on a foreground star", when you are looking towards the bright wide binary 17 CBr.

    The Berenice's Hairclip NGC 4565 is the leading member of its own galaxies group. The next galaxy belonging to this group is the bright NGC 4725, which belongs to the Seyfert 2 class of the galaxies with active cores. The NGC 4725 is easily found 3° E off the Berenice's Hairclip.

    All these galaxies, with the exception of the "Galaxies Quattro", are also easy through the 25x100 binoculars. The Galaxies Quattro is a binocular challenge, requiring quite a concentration at the eyepieces of the binoculars, and good observing conditions, of course. The both brightest members of the Quattro make me happy enough at the eyepieces of the 25x100 binoculars.

    Last telescopic observation:
    April 21st, 2015, backyard
    Observing conditions: 5-6 stars resolved with unaided eyes in the CBr Cluster
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    Enjoy this zigzag tour, and clear skies to you,

    JG
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  2. The Following 7 Users Say Thank You to j.gardavsky For This Useful Post:

    10538 (05-17-2015),bladekeeper (05-16-2015),helicon64 (05-16-2015),mandomom (05-17-2015),Mark Moyer (05-17-2015),markan (05-17-2015),stargazer55 (05-17-2015)

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    Default Re: Zigzag galaxies hopping from CVn down to CBr

    Thanks JG, for an excellent report of your successful galaxy hunt through CVn to CBr. You mentioned NGC 4631, but not its smaller and dimmer interacting companion, NGC 4627. Were you able to see the "Pup" during this session? I know it can be difficult to spot at times, given its lower visual magnitude and surface brightness.
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    Default Re: Zigzag galaxies hopping from CVn down to CBr

    Wonderful tour JG! I've observed a few of these back on April 10, but missed several others apparently.

    Oh, this makes my heart hurt. I want to get out there so badly, but alas the clouds say NO!

    Thanks for this excellent tour of the CVn and Com areas of the sky, JG. I'll be adding several of these to my to-do list.
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    Default Re: Zigzag galaxies hopping from CVn down to CBr

    Great report JG, lots to see !
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    Default Re: Zigzag galaxies hopping from CVn down to CBr

    Thanks for the extended tour of this pathway between Canes Venatici and Coma Berenices JG. Right now they are try well positioned for observing and reward the patient observer with some amazing views. I would go out and try to replicate some of the hops but alas the clouds have returned today and it looks to be foggy tonight.

    But I'm going to photocopy the appropriate charts in the PSA and draw in the directions from this very useful post, so they can be used the next time out at the eyepiece.
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    Default Re: Zigzag galaxies hopping from CVn down to CBr

    Quote Originally Posted by helicon64 View Post
    Thanks for the extended tour of this pathway between Canes Venatici and Coma Berenices JG. Right now they are try well positioned for observing and reward the patient observer with some amazing views. I would go out and try to replicate some of the hops but alas the clouds have returned today and it looks to be foggy tonight.

    But I'm going to photocopy the appropriate charts in the PSA and draw in the directions from this very useful post, so they can be used the next time out at the eyepiece.
    Sorry about the typo in the first line. I can't edit the post anymore.

    So, as Yoda says, "there is no try"
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    Default Re: Zigzag galaxies hopping from CVn down to CBr

    Great tour -- many thanks for giving us some useful observing suggestions!
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    Default Re: Zigzag galaxies hopping from CVn down to CBr

    Thanks for that wonderful report, JG. When we get some clear skies here I'm going to try my hand at some of the objects in your report. I am focused (scus the pun) on my Messier hunt, but detours like these make observing (and sketching) fun and interesting. Clear skies.
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    Default Re: Zigzag galaxies hopping from CVn down to CBr

    Thanks JG for another fine tour. Like Michael I'm going to photo copy the charts and add this to my " to do" book for use later on. Thanks for all the hard work you put into providing this excellent report for us.
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    Default Re: Zigzag galaxies hopping from CVn down to CBr

    Quote Originally Posted by KT4HX View Post
    Thanks JG, for an excellent report of your successful galaxy hunt through CVn to CBr. You mentioned NGC 4631, but not its smaller and dimmer interacting companion, NGC 4627. Were you able to see the "Pup" during this session? I know it can be difficult to spot at times, given its lower visual magnitude and surface brightness.
    Thanks Alan for your lines.

    I have not paid attention to the NGC 4627, and also not to some other galaxies in the zigzag hunting area on that night.
    As we are suffering from the 'midnight' humidity, most of my recent observing sessions have been forced into the 21:30 - 24:00 time window.

    Best,

    JG
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