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  1. #1
    Skydiver76's Avatar
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    Default M42, Jupiter, Saturn and Mars last night



    Last night was forecasted to have good to excellent seeing so i set up my 10'' Apertura dobsonian around 4pm to cool down a little. Around 5pm it was still pretty bright but Jupiter was visible above the tree in the finder scope, so i tried 9mm EP and it was perfectly clear @ ~139x with Red Spot right in the middle ! So in goes the 2x GSO barlow, and wow, still clear @ 278x with smaller upper and lover bands coming in and out of focus. The spot was really visible as well as it "tail ?" as it narrows down to the band itself .. The other band had a dark round spot slightly "below" it ( in the inverted image) - not sure what it is. Kept watching until the Red spot went out, then covered everything to wait for M42 for a couple of hours. The moon was not yet out so tried for M42 with the 2'' 30mm EP @ ~42x - the glow is visible and can just make out the 4 central stars , but even better with the barlow in and resulting ~ 84x with the same EP. My backyard is very light polluted being that i'm in ~ 1,000,000 people city, wonder if M42 would look better at dark site ?
    Left everything covered and a big plastic bag on top against dew until 5am, and it felt COLD coming out even though it was probably ~40F .. Saturn looked really sharp @ 278x and just thought i could see the cassini division but not quite .. I guess i need 350-400x or just a better EP ? Swung over to Mars which was high up but next to a very bright moon.. it was a small red circle but with a clearly visible white cap on the bottom (i guess top in an upright view ? ). Thought i saw some darker spots on the red disk but could be just my imagination as it was small. THe EP kept fogging up on me, so looked into some Moon craters and took the OTA inside. Couldn't sleep for a while and what do i know - found a used Orion Stratus 3.5mm EP on eBay for $70 shipped - they are $139 normally and $111 on sale ! Here the link if anybody is interested 3.5mm Orion Stratus Wide-Field Eyepiece | Orion Telescopes: Eyepieces
    Bought it and went to get some sleep hoping i will get at least some nights to be able to use it - it will be 357x Now that together with the Barlow ... One can dream, right ?

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  3. #2
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    Default

    Nice report, Skydiver! Your enthusiasm is easily felt.

    Scott
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  4. #3
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    Default

    The dark round spot is known as 'The Barge'.

    You can see the Cassini Division even at 150x. Just wait for the right moment and good seeing conditions.
    Z8.
    Telrad.
    "So many questions, so much to learn, so little time".

  5. #4
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    Default

    Glad to hear that you are able to use and enjoy your 10" dob. Nice report. Congrats on the good night.

    Clear skies.

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  6. #5
    Flexie's Avatar
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    Nice nightly report!
    Well done!

    Steve.....

  7. #6
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    Default

    Liked your report. You asked about M42 at dark site.

    I can speak from my own recent experience. I finally got to see the Orion Nebula at a dark site and the difference was amazing. I was using a 10" Dob and a 13mm Nagler (86X) on both occasions.

    Clears,
    Joe
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  9. #7
    Skydiver76's Avatar
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    Default

    Thanks guys, i keep meaning to try and go to one of sites listed on the local astronomy club sites but never do Somehow the thought of going somewhere remote at night alone and try to set up - makes me keep putting it off. I wonder what the Dobs OTA will look like to any park ranger at night - a nasty terrorist setting up a big missile or something ?

    I bought a 10'' instead of 12'' thinking that i can put the tube into the original box and drive somewhere, but should have just bought the 12'' if its simply sitting in the backyard.

  10. #8
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    Default

    Quote Originally Posted by Skydiver76 View Post
    Thanks guys, i keep meaning to try and go to one of sites listed on the local astronomy club sites but never do Somehow the thought of going somewhere remote at night alone and try to set up - makes me keep putting it off. I wonder what the Dobs OTA will look like to any park ranger at night - a nasty terrorist setting up a big missile or something ?
    I understand your sentiments perfectly. I never go to a place unless I'm sure of finding security. But I would assume security would be pretty good if it's a site being used by an astronomy club. Maybe not. I don't know...

    Anyway, I was just commenting because getting to a dark site at least once will really open up possibilities for you.

    I'm suppose others would say the same. That's why the clubs exist.

    Clears,
    Joe
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  11. #9
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    I am going to try and make it out to a "dark spot" this weekend so I can report back the difference.

    I would image that the difference between a dark spot and a light polluted back yard would be phenomenal.
    Total Newb


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  12. #10
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    Keep those reports coming. It definitely motivates me and keeps me excited.

 

 

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