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Thread: Starlog Observing Report - 4/22/2016 - By Jove, It's Jupiter!

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    Default Starlog Observing Report - 4/22/2016 - By Jove, It's Jupiter!



    Despite the full Moon rising early, the skies were clear for the first time in a couple of weeks, and are supposed to cloud up again tomorrow, so I decided to set up the telescope for a little while and peek at Jupiter through my new ES 82° eyepieces. I set up in the front driveway, as that would put the rising Moon behind the house and would give me as much time as possible before its glare took over the sky.

    As luck would have it (I hadn't checked Stellarium), I was in for a special treat tonight. Not only was the GRS just coming around, Io's shadow was clearly visible and Europa was closing in. I tried, but wasn't able to make out Io itself in front of the planet. The best view was with the 18mm combined with my 2.5x Luminos barlow (211x). I put the 11mm in my barlow (345x) and in moments of good seeing, it looked like I was in orbit, but it scooted out of view a bit too quickly for my liking. I put the barlowed 18 back in, and called for my wife to come out and look. She was impressed with the view, but didn't hang around too long, as she had some other things to do.

    I finally peeled my eyes away from Jupiter to test out the eyepieces a bit more. The deepening twilight didn't make for the best test conditions, but it was better than last time. I turned to M41. The cluster looked nice in the 18mm (84x), but even better in the 11mm (138x). It was hard to believe I could still fit the entire cluster in the field of view at this magnification.

    The main reason I picked a large open cluster was to check the edge distortion. I could still notice a bit of coma about 70% from center, but it was far less than my 82° 15mm Luminos eyepiece and it didn't jump out at me. I had to go looking for it. Jupiter picked up some false color when it approached the edge, too, but the field is so wide, I could watch it for quite a while before I had to worry about moving it.

    As brief as this test was, I was pleased with the ES 82's (but then, I expected to be). Also, I was glad to see the eyepieces worked nicely with my Luminos barlow. When I try to barlow my 9mm Zhumell plossl, it's very difficult to achieve focus, not to mention that it's difficult to get anything to stay in the field for more than a few seconds. I can see myself doing an entire observing session using nothing more than these two eyepieces and my barlow.

    As I was finishing up my my open cluster tests, a couple of my neighbor's daughters came over to see what I was looking at. I happened to be on M35, so I showed it to them, but they were less than impressed. One of them said, "It's just a bunch of stars."

    So I swung the scope back to Jupiter. By this time, the GRS was centered on the planet, and Io's shadow was approaching one edge, and Europa was quickly closing in on the other side. As one of the girls was looking at it, she said, "Something must be wrong with my eyes. I see two dots near the edge, one on each side." I took a quick peek, and sure enough, Io had just emerged from in front of Jupiter's disk at the same time Europa was just entering it. Jupiter had grown a pair of ears!

    We watched for a few more minutes and then the girls had to go back home. I barlowed my 11mm and sat back to enjoy Jupiter's show. Europa was passing right through the middle of the NEB and so I was able to see it as it crossed in front of the planet.

    I called for my wife to come out again and take another look. While waiting for her to arrive, a couple of neighborhood kids rode by on bicycles and said, "Umm, isn't the Moon over there?" I knew they were trying to tease me, so I turned around and said, "Sure is, but I'm looking at Jupiter." "Oh," they said and rode off before I could invite them to take a look.

    My wife enjoyed the show with me for several more minutes until I noticed a brightening behind the house. The Moon wasn't going to be denied for much longer. Oh well, I did what I set out to do tonight. We took a couple of snapshots of us looking at Jupiter and then I packed my gear away. It was a short, but nice, night. Take that, Luna!

    Jul1.jpg Tom1.jpg

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    bladekeeper (04-23-2016),Buckethead (04-23-2016),helicon64 (04-23-2016)

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    Default Re: Starlog Observing Report - 4/22/2016 - By Jove, It's Jupiter!

    Ha! Awesome, Tom! I've been in and out myself. I too caught the same views of Jupiter. I thought it was kinda funny when Io was breaching the limb and Europa was beginning its crawl, Jupiter looked like it was wearing diamond earrings.

    I'm waiting on Mars right now. I tried for a few colorful doubles, but the Moon is so darn bright that star hopping is rather frustrating.

    Anyway, great report. Fun that we were looking at the same stuff.

    "Just a bunch of stars." Bah! She don't know.
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    Default Re: Starlog Observing Report - 4/22/2016 - By Jove, It's Jupiter!

    Awesome! thanks for the report and glad you could share it with the wife!! I've had about 10 days of bad weather!
    Clear skies!
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    Default Re: Starlog Observing Report - 4/22/2016 - By Jove, It's Jupiter!

    Very nice Tom! Yeah its just a bunch of stars, but as Bryan said she doesn't know that they are traveling together in a pack. But for some even that wouldn't be impressive! Speaking of the glow of the moon on the back side of the house, looks like your neighbor's porch light was giving you a glow on the front side as well.
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    Default Re: Starlog Observing Report - 4/22/2016 - By Jove, It's Jupiter!

    Quote Originally Posted by KT4HX View Post
    Speaking of the glow of the moon on the back side of the house, looks like your neighbor's porch light was giving you a glow on the front side as well.
    Yeah. After the girls left, the mom came out carrying the toddler. I think she was trying to wear him out by letting him walk around the yard, so she put the light on so he could see where he was going. I didn't really mind, since the Moon would soon be washing out everything anyway, and all I really cared about was Jupiter. But I couldn't have told her to turn it off, anyway -- the family is Chinese and the only English she knows is "hello" and "bye bye".
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    Default Re: Starlog Observing Report - 4/22/2016 - By Jove, It's Jupiter!

    A great report, Tom - nice description of the Jovian ears!

    Thanks for sharing.
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    Default Re: Starlog Observing Report - 4/22/2016 - By Jove, It's Jupiter!

    Quote Originally Posted by starlogborg View Post
    As I was finishing up my my open cluster tests, a couple of my neighbor's daughters came over to see what I was looking at. I happened to be on M35, so I showed it to them, but they were less than impressed. One of them said, "It's just a bunch of stars."
    Our future community leaders. Great report, Tom. I'm glad you like your 82's. I have my 1st one now, and can't wait to give it a first light soon.
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    Default Re: Starlog Observing Report - 4/22/2016 - By Jove, It's Jupiter!

    Great report Tom, thanks for sharing it.
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    Default Re: Starlog Observing Report - 4/22/2016 - By Jove, It's Jupiter!

    Sounds like you had a fun session with some good views to!
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