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PostPosted: Mon Jul 23, 2018 11:14 am 
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President
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Joined: Sun Sep 25, 2011 6:45 pm
Posts: 563
Location: Lanoka Harbor, NJ 08734
ASTRA members, the IBSP Moonlight stroll on Friday July 27th is scheduled from 7pm to 10pm and is "FREE" for ASTRA members!!!

Your name needs to be on the volunteer list so please let me know if you are planning on going.

YOU CANNOT JUST SHOW UP! YOU WILL BE DENIED ACCESS INTO THE PARK!!!

We will setup telescopes at parking lot #A13. Setup time can be between 7pm and 8:30pm and ASTRA members can stay as late as they want after the Moonlight Stroll event is finished.

If you have any questions please e-mail me at: president@astra-nj.org or post on this message board.

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John Endreson (ASTRA President)


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PostPosted: Mon Jul 23, 2018 3:00 pm 
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Joined: Wed Oct 12, 2011 8:57 pm
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If it's not cancelled, I will be there as a volunteer with a mount and a telescope.

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Matthew M.


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PostPosted: Fri Jul 27, 2018 10:16 am 
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NASA's Dr. Rich Zurek apparently doesn't think you'll be able to see Mars's dark features during this opposition. It's because of the dust storm.
https://www.nytimes.com/2018/07/26/scie ... earth.html

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Matthew M.


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PostPosted: Fri Jul 27, 2018 10:53 am 
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Joined: Thu Oct 13, 2011 12:53 pm
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Location: Maple Shade, NJ
I was looking at Mars last night, at the moment of opposition, 1:13 am EDT on Friday, July 27, 2018 (the same time it crossed the meridian for me at 75° west longitude, so it reached 24.7° altitude). I was using my 130 mm f/7 apo refractor at 253x.

Seeing was average, and at a quick glance, Mars was just a blank disc with a pumpkin or butterscotch color. With patience, I was able to make out a small, not-exactly-white Southern Polar Cap, and the Northern Polar Hood was a whitish rim along the northern limb near the pole. The only dark marking was a vague, faint horizontal band in the southern hemisphere.

Rather disappointing, but Mars doesn't drop to 20 arc seconds diameter until about September 5, vs. 24.3 arc seconds last night. I've been following images posted at ALPO Japan, and it seems like the dust storm could be subsiding a little, so if we're lucky, we might get to see some decent detail before the current opposition season is over.

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Joe Stieber
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PostPosted: Sat Jul 28, 2018 7:57 am 
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Yes, relief from this feature-obscuring storm is in sight.
See https://www.space.com/41302-mars-dust-s ... -down.html

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Matthew M.


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