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Thread: Going South to Horologium

  1. #1
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    Default Going South to Horologium



    Projected to be cloudy tonight (Saturday), but skies were mostly cloud free shortly after dusk, so I got my 5” out again.

    Earlier in the day, I gave this scope a “proper” collimation which hadn’t been done since it started getting some usage last year (acquired this scope on eBay back in 2015).



    My first (and only) target was one of the asterisms I “missed” two nights ago:

    HD 25843 or Slotegraaf 5 (Horologium, Ast, size=51’, RA=4h 2m 40s, DEC =-44° 31' 30", IDSA=#97). Plotted in IDSA, showing 10 stars between mag. 8-10. Using 51x, this large asterism barely fit into the FOV; managed to see 9 of the 10 IDSA stars, despite the bright sky glow. I was fortunate to have scooped this asterism out of the atmospheric muck so far down south. My scope was in an almost horizontal position:



    After I was done with this object, more patchy clouds were moving inland from the coast. After half-an hour or so of waiting and no sign of any clearing, I packed it in.
    Terry
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    Default Re: Going South to Horologium

    Congrats!
    I like your perseverance to capture HD25843, in spite of the earlier attempt and a nearly horizontal telescope.
    Well done!
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    Default Re: Going South to Horologium

    Way to go Terry. Nice reach to pick it up. I know all about the horizontal scope thing! I remember NGC 5139 from southern Indiana back in the 80s. I believe you could've balanced a marble on the OTA of the Coulter 17.5" during that observation!
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    Default Re: Going South to Horologium

    Nice grab of this object Terry - so far to the edge of the horizon! Better luck next time with the weather.
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    Default Re: Going South to Horologium

    Glad you got one logged, at least!

    I've not logged anything from Horologium. Not sure it is even doable from my back yard, especially with the two-story house to my south now, and those trees aren't getting any shorter.

    Socked in here last night, and the sky remains hidden for the next few days.
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    Default Re: Going South to Horologium

    Well done Terry!
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    Default Re: Going South to Horologium

    Quote Originally Posted by John Baars View Post
    Congrats!
    I like your perseverance to capture HD25843, in spite of the earlier attempt and a nearly horizontal telescope.
    Well done!
    Thanks John - I also had to wait awhile until the clouds blocking my SW horizon drifted away.

    Quote Originally Posted by KT4HX View Post
    Way to go Terry. Nice reach to pick it up. I know all about the horizontal scope thing! I remember NGC 5139 from southern Indiana back in the 80s. I believe you could've balanced a marble on the OTA of the Coulter 17.5" during that observation!
    Thanks Alan - getting that one made my evening. It's a fun challenge seeking out stuff far down the southern horizon here at home.

    Besides, practically all of the asterisms in the DSH List I've not yet seen (that are doable from urban skies with small apertures) are in the south.

    Quote Originally Posted by helicon64 View Post
    Nice grab of this object Terry - so far to the edge of the horizon! Better luck next time with the weather.
    Thanks Michael! Glad to have picked that one up before the clouds moved in.

    Quote Originally Posted by bladekeeper View Post
    Glad you got one logged, at least!

    I've not logged anything from Horologium. Not sure it is even doable from my back yard, especially with the two-story house to my south now, and those trees aren't getting any shorter.

    Socked in here last night, and the sky remains hidden for the next few days.
    Thanks Bryan, that one was well worth the time and effort - I was able to avoid the power lines and telephone poles time.

    My first object from this constellation.

    Currently wet right now, but supposed to clear up later in the evening so possibly another shot tonight before the waxing moon gets too bright. Fortunately I'm still on vacation for a few more days...

    Quote Originally Posted by kanadalainen View Post
    Well done Terry!
    Thanks Ian!
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    Terry
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    Default Re: Going South to Horologium

    Nice catch Terry! Picking it that low and from LA location should feel good.
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