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Greyhoundman
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LCROSS Project
      #3077123 - 04/30/09 02:05 PM

Is anyone here planning on trying to observe or even photograph the event?
http://lcross.arc.nasa.gov/observation.htm

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Edited by Greyhoundman (04/30/09 02:06 PM)


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desertstarsAdministrator
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Re: LCROSS Project new [Re: Greyhoundman]
      #3077615 - 04/30/09 06:34 PM

I'll be watching, if the skies are clear. Unfortunately, the impact is due to take place at the height of Arizona's summer thunderstorm season. There's a better than even chance clouds will be in my way.

--------------------
Tom W.

Collinder's Catalog

Standing in a garden, contemplating the stars, and wondering how to put it all into words.


Carpe Lunam



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terrapin
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Re: LCROSS Project new [Re: desertstars]
      #3078376 - 05/01/09 03:10 AM

When is the impact scheduled? Can't find it anywhere on the site.

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Greyhoundman
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Re: LCROSS Project new [Re: terrapin]
      #3078484 - 05/01/09 06:59 AM

Scheduled for late August. The exact time and date will announced as they pick the crater for the impact. The site will be updated as new info is available.

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canopus56
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Re: LCROSS Project new [Re: Greyhoundman]
      #3079420 - 05/01/09 04:39 PM

Yes, there is a group that was started by the LCROSS Public Outreach Team at:

http://groups.google.com/group/lcross_observation?lnk=srg

Presently, activity is low but will probably pickup as the June 2009 Sky & Telescope article hits the newstands and the June 2 launch date comes closer.

There are loads of information on the "Pages" section of that observation group site.

There also is a Selenology Today issue, issue no. 13, dedicated to LCROSS at:

http://digilander.libero.it/glrgroup/journal.htm (4megs)

- that is heavy on the science background and background on pre-event imaging practice.

Key info pages at the LCROSS Observation site are:

LCROSS Obs Group (unofficial) FAQ
http://groups.google.com/group/lcross_observation/web/lcross-faq

List of imaging-observing windows for favorable librations for the north and south poles through September:

http://groups.google.com/group/lcross_observation/web/librations-in-latitude-list

Impact candidate finder maps at the poles:

http://groups.google.com/group/lcross_observation/web/finders

Probably next to practice imaging at the poles, the best thing that newsgroup members can do at this point is to email the LCROSS public affairs officer and urge them to work with Goddard Space Flight Operations to release launch path predictions (by RA and Dec) for the outbound LRO-LCROSS booster during the first 10 hours of flight. This would have to be done in real time shortly after launch. See Selenology Today article at 81. It may be possible to image hydrogren fuel dumps and/or track the satellite on its path towards the moon for the first 30 hours of flight. See the Selenology Today article at page 7 and 71-83. A similar outbound imaging event occured with Apollo in 1971.

Jonas Dino
Office of Public Affairs
NASA's Ames Research Center
Moffett Field, Calif.
Jonas.Dino@nasa.gov

Dino is the contact per the official LCROSS NASA Site at:

http://www.nasa.gov/mission_pages/LCROSS/news/index.html

The major internet points for following the mission are:

The above NASA site
The above google LCROSS observation group

The LCROSS Twitter site
http://twitter.com/LCROSS_NASA

The LCROSS Facebook page
http://www.facebook.com/pages/LCROSS-Lunar-Impactor-Mission/154478180006?ref=s

Animation-movies giving an overview of the Mission at the LCROSS observation group site:

http://groups.google.com/group/lcross_observation/web/animations

The best of the online animations is a recent 11 minute KQED segment:

http://www.kqed.org/quest/television/nasa-ames-rocket-to-the-moon

- Clear Skies, Kurt


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Sol
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Re: LCROSS Project new [Re: canopus56]
      #3082236 - 05/03/09 05:42 AM

A great set of links - thanks. Not sure how vsiible the impact will be, but I will be watching with the 8" if the weather permits.

Mark

--------------------
Visit the Sunnymeade Astro Solar Blog
http://sunnymeadeastro.blogspot.com/


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Jerry3672
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Re: LCROSS Project new [Re: Sol]
      #3159520 - 06/12/09 05:20 PM

The launch is set for June 17th at 3:51pm Eastern time.

I plan on a few more practice shots of the north and south poles. Focus is tricky when you are that far North or South on the Moon.

How are others planning on shooting?

I have a C11 and a SN10 for scopes. I will use a Canon XSi or an Imaging Source DFK41 for my camera. My best photos of the moon have all been with the SN10-Canon XSi combo. We will have about 2 or 3 minuets of imaging time from impact, so I may play around with a video with the C11.

Looks like we will have at least 72 days from launch before impact.

I can't wait!!

--------------------
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Mare Nectaris
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Re: LCROSS Project new [Re: Jerry3672]
      #3164309 - 06/15/09 04:43 PM

NASA has set a new launch date for LCROSS/LRO. It is set for June 18th, 5.12 pm EDT. The reason for this delay is the space-shuttle Endeavour (STS-127) scheduled to depart on June 17th 5.40 am, EDT. See NASA Launch Schedule.

Countdown to Launch Window is set to tick! - It's time to start to clear the optics

See also discussions on Unmanned Spaceflight -forum on LCROSS/LRO. This far there are discussions upon development of the project and launch.

Be well!

--------------------
Share - and you shall have it all

Timo Keski-Petäjä

CtheMoon

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TAL 250K*Celestron C8-N*SkyWatcher Skymax 150 Pro*TAL1(Mizar)*EQ6 Pro SynScan*Celestron Advanced GT (CG-5 GOTO)*Baader Hyperion Clickstop Zoom 8-24*17 mm UWA-70*TeleVue BIG 2x Barlow*Celestron 2x Barlow Ultima SV Series


Edited by Mare Nectaris (06/15/09 04:49 PM)


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desertstarsAdministrator
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Re: LCROSS Project new [Re: Mare Nectaris]
      #3164418 - 06/15/09 05:41 PM

Thanks for the update!

--------------------
Tom W.

Collinder's Catalog

Standing in a garden, contemplating the stars, and wondering how to put it all into words.


Carpe Lunam



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canopus56
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Re: LCROSS Project new [Re: desertstars]
      #3165806 - 06/16/09 01:16 PM

LCROSS Science Briefing 6-16 9EDT YouTube Podcast

Internet podcast of this morning's mission science briefing on LRO and LCROSS for the June 18 launch.

http://www.youtube.com/profile?user=NASAtelevision&view=videos

YouTube broadcast of the NASA LRO-LCROSS Press Briefing held June 15, 2009. LCROSS starts at min 21:

http://www.youtube.com/watch?v=D-GXjR_CZSE

For June 15 conference, impact Visibility is discussed at min 28: A June 18 launch gives a south pole impact on Oct. 9.

- Clear Skies - Kurt


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Mare Nectaris
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Re: LCROSS Project new [Re: canopus56]
      #3170149 - 06/18/09 05:44 PM

They had camera onboard: what a view on the liftoff on NASA TV

We were able to see wonderful climb into space and the launch stage separation!

May she fly well!

--------------------
Share - and you shall have it all

Timo Keski-Petäjä

CtheMoon

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Mare Nectaris
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Re: LCROSS Project new [Re: Mare Nectaris]
      #3170955 - 06/19/09 04:11 AM

If somebody has not yet seen this wideo clip of the LCROSS/LRO launch by NASA TV, go and C ! The feeling of climbing into orbit is simply fantastic!

Be well all!

--------------------
Share - and you shall have it all

Timo Keski-Petäjä

CtheMoon

Observation shelter KuuMaja (MoonHut)

TAL 250K*Celestron C8-N*SkyWatcher Skymax 150 Pro*TAL1(Mizar)*EQ6 Pro SynScan*Celestron Advanced GT (CG-5 GOTO)*Baader Hyperion Clickstop Zoom 8-24*17 mm UWA-70*TeleVue BIG 2x Barlow*Celestron 2x Barlow Ultima SV Series


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Mare Nectaris
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Re: LCROSS Project new [Re: Mare Nectaris]
      #3171021 - 06/19/09 06:10 AM

Next interesting date and time for the mission is LOI (Lunar Orbit Insertion) for the LCROSS/Centaur, expected on tuesday 23rd of June 2009, at 5:43 EDT (9:43 UTC). LRO separated from the LCROSS/Centaur on T+ 44 min 45 sec, and LRO got a single ride towards the Moon. See Spaceflight Now Mission Status Center, edited by Justin Ray.

This LOI will effectively put LCROSS/Centaur into an elongated Earth polar orbit, which eventually will give the duo good maneuverability, high impact angle and enough energy for the Oct 9th impact, around 7:30 am EDT.

NASA TV is planning to send live coverage on the expected LOI -occasion.

To get us an impression what is about to happen, on Unmanned Spaceflight -forum BrianJ (post # 25) has generated two cool simulations (with the data he has acquired), presenting a simulation of ICPS (Instrument Calibration Pointing Sequence) as seen with "instrument line-of-sight" and as seen with an "external view".

Be well all!

Edited by Mare Nectaris (06/19/09 06:29 AM)


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MoonChild
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Re: LCROSS Project new [Re: Mare Nectaris]
      #3171078 - 06/19/09 07:37 AM

this is gonna be sweeet!!! lol

thanks for all the info everyone,
last i knew it was the Oct 8th,
9 sounds even better! lol

exciting stuff!!

clear skies!

--------------------
*newb*

“Astronomy compels the soul to look upwards and leads us from this world to another” ~  Plato

~Kopernik Observatory

~C.Forks

my amateur astronomy pics


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Freddy WILLEMS
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Re: LCROSS Project new [Re: MoonChild]
      #3171951 - 06/19/09 05:11 PM

Thanks for the updates Timo !
Please do keep us informed, I do not want to miss this event !
7:30 AM EDT that's around 11.30 PM Hawaiian local time the day before october 8, 2009 ?
The moon will be very low on the Horizon here.
Can they not postpone it a few hours ??

--------------------
Freddy

Meade 14" LX200 GPS UHTC GPS on permanent pier
Celestron C 14" Peltier cooled for planetary imaging.
Meade 10" LX200 & TITAN 50:1 mount Gemini 'go to'
Meade 127 mm f/9 APO & TITAN 50:1 mount Gemini 'go to'
W/O 102 mm f/7 APO doublet
Orion 80 mm f/7 ED

DFK 21AU04.AS
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Jerry3672
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Re: LCROSS Project [Re: Freddy WILLEMS]
      #3173073 - 06/20/09 11:36 AM

Quote:

Thanks for the updates Timo !
Please do keep us informed, I do not want to miss this event !
7:30 AM EDT that's around 11.30 PM Hawaiian local time the day before october 8, 2009 ?

NASA has picked a time that will allow most of the US view the impact. Here on the east coast the Sun will be on the rise.
The moon will be very low on the Horizon here.
Can they not postpone it a few hours ??




NASA has picked a time that will allow most of the US view the impact. Here on the east coast the Sun will be on the rise

--------------------
Meade LXD75-SN-8, SN-10, C11
DSI Pro
Canon XSi 450D unmod


www.spike-a.com Bahtinov Style Focus Mask


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RobertED
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Re: LCROSS Project [Re: Jerry3672]
      #3173982 - 06/21/09 12:01 AM

Will be using my C-11. Just not sure how to photograph the event. Could be using my Meade LPI, or try to buy a Celestron NexImage...I hear it's better!?! Any ideas???

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canopus56
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Re: LCROSS Project [Re: RobertED]
      #3176319 - 06/22/09 01:10 PM

MoonThumper
Jun 22, 9:20 am

From: MoonThumper <brianh...@gmail.com>
Date: Mon, 22 Jun 2009 08:20:54 -0700 (PDT)
Local: Mon, Jun 22 2009 9:20 am
Subject: LCROSS Lunar Flyby Video to be Streamed

After its successful launch, LCROSS is now on its way to the Moon. At Launch +5 days, the spacecraft will perform a lunar swingby to enter into an elongated Earth orbit to position LCROSS for impact at the lunar south pole. LCROSS lunar swingby video stream coverage will begin at approximately 5:20 AM PDT on Tuesday, June 23, 2009. Please
check http://www.nasa.gov/mission_pages/LCROSS/lunarswingby/ for
updates.

Brian [Day, LCROSS Team Public Education Officer]

Originally posted:
http://groups.google.com/group/lcross_observation/browse_thread/thread/39a0017ac41a88e2

- Clear skies - Kurt


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canopus56
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Re: LCROSS Project [Re: canopus56]
      #3176323 - 06/22/09 01:12 PM

Imaging ops for LCROSS during cruise orbit one
Was #3174079 - 06/21/09 02:17 AM

http://groups.google.com/group/lcross_observation/web/finders-cruise-orbits

The above page presents my quick analysis of favorable imaging windows to acquire the LCROSS-Centaur spacecraft during its cruise orbit one.

Lunar phases during cruise orbit one favor attempts to image the LCROSS-Centaur spacecraft by observers in the southern hemisphere between July 19 through the First Quarter Moon on July 28. Northern hemisphere observers are disfavored and have only a brief low-altitude imaging window before the First Quarter Moon of June 29 as LCROSS rises of the northwest horizon beginning on June 26.

Clear Skies - Kurt


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canopus56
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Re: LCROSS Project [Re: canopus56]
      #3176327 - 06/22/09 01:14 PM

LCROSS outbound tracking emphemeris Earth to Moon
Was #3169650 - 06/18/09 12:36 PM

The LRO-LCROSS launch is set for a 5:12EDT (3:12 MDT) (21UT) today. (At the time of this posting, the launch counter is at 4:40.) The following message was just posted on another newsgroup by the Horizons Team. The LCROSS Centaur booster trans-lunar orbit projected coordinates have been updated into the Horizons system.

http://ssd.jpl.nasa.gov/horizons.cgi

Use "LCROSS" as the "Target Body". RA-Dec predicted positions are topocentric sensitive, so use your local "named location" city as the geographic location, not geocentric.

Live coverage begins at 2pm EDT (20UT).

http://www.nasa.gov/multimedia/nasatv/index.html

KSC live launchpad video of the launch can be seen at:

http://countdown.ksc.nasa.gov/elv/

Typical pre-launch countdown activities for an Atlas V launch can be found at:

NASA Atlas V Countdown 101 FAQ
http://www.nasa.gov/mission_pages/launch/atlas_V_count_101.html

A primitive first-order model of outbound Centaur visibility during trans lunar orbit can be found at physical pages 7, 74-83 (digital pages 10, 77-86) of Issue No. 13 of Selenology Today at:

http://digidownload.libero.it/glrgroup/selenologytoday13.pdf (4.5 megs)
(mag 6.5 at 5k decreasing to mag 13.8 at 150,000k)

There is no magnitude estimate in the Horizons system empheris.

There is no list of scheduled hydrogen fuel dumps. At a mission briefing on June 16, an LRO project scientist stated all fuel dumps would be completed before hand-off of the Centaur to LCROSS team flight control 4 hours into the flight.

- Clear Skies Kurt

=======
Horizons Message

With the shuttle launch scrubbed, the Moon-fated
LCROSS mission is currently go for 2009-Jun-18 21:12 UTC
launch (tomorrow).


The trajectory has been updated accordingly in Horizons
(based on navigation team planning), for those who want
to track it, or avoid confusing it for an asteroid in
Earth vicinity.


http://ssd.jpl.nasa.gov/?horizons


----------------------------------------------------------
Jon Giorgini | Navigation & Mission Design Section
Senior Analyst | Solar System Dynamics Group
Jon.Giorg...@jpl.nasa.gov | Jet Propulsion Laboratory

==========


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