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Thread: Astronomical League’s Deep Sky Binocular

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    Default Astronomical League’s Deep Sky Binocular



    My Garrett 15x70s arrived, so I thought I'd try and work through the AL Deep Sky Binocular this fall starting with Cassiopeia and Camelopardus last night. Cam was a little low on the horizon so I'll have to return to it later this fall for another look. I also forgot to print a chart for Markarian 6 in Cas, so I'll have to catch this one next time.

    I had all 3 of my binoculars with me. Typically I'd hunt down the target with my 8x56 and then compare views with the others. It was a moonless night and quite tepid so I had no problems with condensation. The 15x70s weigh about 5 lbs but I don't find them unmanageable when holding by hand for brief durations although I did get a grip action monopod which works well.

    All in all it was a good night.

    Collinder 463 (Open Cluster in Cassiopeia) – I found this one easily enough. 50 Cas was visible to the naked eye so locating the cluster was straight forward. It’s a tight grouping of stars so the 15x70 Garrett’s gave me the best view.

    Collinder 36 (Open Cluster in Cassiopeia) – A little more difficult to find because it was kind of low in the sky when I looked. The 15x70s gave me the best view.

    IC 1805 (Open Cluster in Cassiopeia) – Found with little difficulty by star hopping from Epsilon Cas. It’s a compact cluster so the 12x50s and 15x70s gave me the best views.

    NGC 663 (Open Cluster in Cassiopeia) – Found easily between Epsilon Cas and Delta Cas. Another tight grouping of stars so the 15x70s gave me the best view.

    NGC 129 (Open Cluster in Cassiopeia) – Found easily enough midway between Delta and Gamma Cas. Only really visible with the 15x70s and 12x50s. Not so much with the 8x56.

    Muscle Man Cluster (Open Cluster in Cassiopeia) – Found easily starting from the Double Cluster. I think the 8x56s gave me the best view because of their wider FOV.

    NGC 457 (Open Cluster in Cassiopeia) – The ET Cluster. Easy to find from Delta Cas. The 15x70s gave me the best view.

    NGC 7789 (Open Cluster in Cassiopeia) – Easy to find from Beta Cas. Lots and lots of stars in this cluster.

    NGC 2403 (Galaxy in Camelopardus) – A little more difficult to find. I started my star hop from Omicron UMa which was barely visible to the naked eye. The galaxy was very faint and only visible with the 15x70s. I hope to have another look at this one later in the fall when it’s higher in the sky.

    Kemble 1 (Open Cluster in Camelopardus) – Found after some searching. The stars in Cam were difficult to see with the naked eye. The cluster is a long chain of stars. I think my 8x56 gave me the best view.

    Pazimo’s Cluster (Open Cluster in Camelopardus) – Easy to find from Eta Perseus. A very tight group of stars so really only the 15x70s gave me a decent view.
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    Thanks for the observing report, and clear skies to you.
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    Hello Markan,

    this is a great report, including some 'not very easy to find' clusters.

    As Cassiopeia is one of my favourite constellations to hunt the DSOs, what about the M52, NGC7790, NGC281, and NGC225?

    You have certainly had the NGC654 (something like a fuzzy star) in the field of view with NGC663. The Markarian6 is south of IC1805. In the same field of view with IC1805 is the NGC1027.

    I can spend hours watching the objects in Cassiopeia-Perseus-Camelopardalis.

    Wishing you clear skies and another successful observations

    JG
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    Thanks for the report. Keep us updated on your progress. I've done the AL's binocular messier club, but not the deep sky club. I've got several other projects to keep me busy right now, but someday, if I can find the time, I plan to do it. When I do it, I'll be very interested in whether your 15X70's are powerful enough, or if you will suggest 20X80's for the club. I'll also be interested ini reading your notes and any tips you may have for locating certain objects. So . . . keep up the good work!
    Rob
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    Quote Originally Posted by j.gardavsky View Post
    Hello Markan,

    this is a great report, including some 'not very easy to find' clusters.

    As Cassiopeia is one of my favourite constellations to hunt the DSOs, what about the M52, NGC7790, NGC281, and NGC225?

    You have certainly had the NGC654 (something like a fuzzy star) in the field of view with NGC663. The Markarian6 is south of IC1805. In the same field of view with IC1805 is the NGC1027.

    I can spend hours watching the objects in Cassiopeia-Perseus-Camelopardalis.

    Wishing you clear skies and another successful observations

    JG
    Thanks JG. I've discovered that the SkyTools observing list I using doesn't include Markarian 6. In fact when I search the SkyTools database it describes it as IC 450 and calls it a galaxy in Cam.

    I'll look again at IC 1805.
    Last edited by markan; 09-23-2011 at 08:18 PM.
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    Hello Markan,

    this has been just a suggestion, should not distract you from your AL observational program.

    I must admit, I have never tried the AL binocular program, and am looking forward to your achievements with 15x70.

    Thanks for sharing your experience

    JG
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    Thanks JG.

    I think I found a conflict with my observing lists.

    The Astronomical League calls it Mark 6

    Mark 6 02 29.6 +60 39 7.1 OpCl 4.5' Cas 17 1

    Deep Sky Binocular Club Introduction | The Astronomical League


    The list I imported using AstroPlanner calls it Markarian/Mark 6, I believe it's user contributed.

    Mark 6 Markarian6 Open 02h 29m 40s +60°42.4'

    The list I imported using SkyTools calls it IC 1805. Also I think user contributed.

    R.A.: 02h32m42.0s Dec.: +61°27'00"

    Also known as: Collinder 26, Melotte 15, Raab 11, OCL 352

    ---

    It's a very rich area. With the 8x56, there's a lot of back and forth, back and forth, trying to find the target compared to my chart. I switch binoculars when I believe I can find my way from the starting point to the target, but even then there's a lot of back and forth, back and forth.
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    Great Report! Thank you for sharing a wonderful night of observing.
    Lee

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    Hello Markan,

    this is what I like to call, the Valentin's Nebulas region. Enclosed find please a scan from page 13 in STAR-Guide 2000.0, ed. by Sándor Szabó, indicating stars down to 9mag, and objects down to 13mag/13.5mag.

    Mrk6 (Markarian6) is a lengthy streak of several stars including the double Struve (S263). This open cluster is easy to fix half way from the Muscle Man (Stock2) and the open cluster NGC1027.

    IC1805 relates historically both to the open cluster (now Mel15) and the surrounding bright nebulosity patch. Another bright nebulosity patch (but mostly ionized Hydrogen) is here the NGC896 (IC1795). Together with the partially unresolved NGC1027, they are aligned along an arc of stars, shown with a blue arc in the enclosed chart.

    This area belongs to the Valentin's Heart Nebula, Sharpless Sh2-190, easy to be photographically recorded, but challenging with binoculars. Visually, the brightest part is around IC1805, and there is also a bright edge recognizable as touching Mrk6.

    The second part of the Valentin's nebular complex is the Valentin's Soul Nebula, Sh2-199. Go to the open cluster IC1848, the northern edge of the nebula shows the best contrast.

    Enclosed find please a chart scan and a wide field photo.

    Hoping to have helped

    JG

    PS: let me know if you can open the attached files
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    Thanks JG. The forecast is looking good for tonight. I'm planning on having another look at that area. Now that I've had a look at your chart, I suspect I've already seen Mark6 as a reference for star hopping. I'll be able to find it tonight along the other clusters in the area. I'm curious I can see it as any sign of nebula along that arc. I'll certainly look for it tonight.
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