Anonymous
Unregistered
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I finally got my first telescope. Set it up to observe the full moon and it was like shining a Maglite in my eye. Put on my sunglasses, but it was still too bright. What should I buy to reduce the amount of light through the eyepiece?
And thanks to all who posted about the Meade Factory Outlet; I got a deal on the 'scope through them.
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Jefferson1964
professor emeritus
Reged: 07/15/04
Posts: 570
Loc: Mansfield, Texas
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Get a moon filter, orion has them for about $15 or close to it and it works great. 
http://www.telescope.com/shopping/product/detailmain.jsp?itemID=105&itemType=PRODUCT&iMainCat=6&iSubCat=22&iProductID=105
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10x70 Binos
Astroscan 2000
8" LX200GPS UHTC
ETX-125EC
ETX-125PE
The ETX Travel Buddies.....
DSIProII DSIPro
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Anonymous
Unregistered
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Jefferson1964, thanks for the link.
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Peter Argenziano
Watcher of the Skies
Reged: 11/11/03
Posts: 3642
Loc: Desert Southwest
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I much prefer increasing the magnification to using a filter... though I have used a 15% neutral density filter on occasion. YMMV
Peter
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Peter
I come from a small town whose population never changed. Each time a woman got pregnant, someone left town.
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Anonymous
Unregistered
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What magnification do you suggest? (I am using the Meade Plossl 26mm Multi-coated eyepiece that came with the telescope).
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Anonymous
Unregistered
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Yes, the full or nearly full moon is almost painfully bright to look at. A lot of the features get washed out too, I usually wait til it reaches a thinner waning/waxing phase.
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Anonymous
Unregistered
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Would a variable polarizing filter be a good choice for viewing a too bright moon?
Russ Schnitzer
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Anonymous
Unregistered
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Quote:
Would a variable polarizing filter be a good choice for viewing a too bright moon?
Russ Schnitzer
That it would be.
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Tim2723
The Moon Guy
Reged: 02/19/04
Posts: 5762
Loc: Northern New Jersey
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You'll find all three methods in use (Neutral density filter, variable polarizer, increasing magnification), and they all have their pros and cons.
The variable polarizer is the current 'in thing'. Orion makes the most popular model.
I do all three from time to time, but find increasing the mag most useful, except when seeing demands I stay at lower power or I'm doing something that needs most of the moon in the FOV, like timing an occultation.
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Intes MK-66 Deluxe (6" f/12 Maksutov)
Celestron C-102HD (4" f/10 achromat)
Celestron C-102AZ (4" f/5 achromat)
Orion 6LT (6" f/8 classic Newtonian)
Orion Apex 90 (90mm Mak spotter/grab-n-go/little fun scope)
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Tim2723
The Moon Guy
Reged: 02/19/04
Posts: 5762
Loc: Northern New Jersey
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Quote:
What magnification do you suggest? (I am using the Meade Plossl 26mm Multi-coated eyepiece that came with the telescope).
Depends on what magnification your get with the 26mm in your scope. Divide the focal length of the scope by 26 in this case.
It's a fair guess that the 26mm is giving a low magnification, so it's very bright. I don't bother with filters above ~150x.
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Intes MK-66 Deluxe (6" f/12 Maksutov)
Celestron C-102HD (4" f/10 achromat)
Celestron C-102AZ (4" f/5 achromat)
Orion 6LT (6" f/8 classic Newtonian)
Orion Apex 90 (90mm Mak spotter/grab-n-go/little fun scope)
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darylf96
Pooh-Bah
Reged: 08/28/04
Posts: 1432
Loc: Danville, California
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Where do I buy a switch to turn off the moon?
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Intes Micro MN66 - Meade 10" SCT
Orion EON 120mm ED f7.5 Apo
Skywatcher 150mm f8 Achro
G-11, CG5A-GT Mounts
DM-6 With Sky Commander DSC
Astro-Tech AT80 Refractor f6.9 APO
Stellarvue 20x85 binos - Unimount
Kunming United Optics 7x50 binocs
Canon Rebel XT, Canon 20D, Canon 7D, Canon SXi
SBIG ST-8XE
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Jefferson1964
professor emeritus
Reged: 07/15/04
Posts: 570
Loc: Mansfield, Texas
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Oh thats easy, its at the store with the swithces to turn of the geyesers at yellowstone.....just do a google search, LOL 
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10x70 Binos
Astroscan 2000
8" LX200GPS UHTC
ETX-125EC
ETX-125PE
The ETX Travel Buddies.....
DSIProII DSIPro
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Anonymous
Unregistered
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I'm actually using some "natural" filters right now, some clouds overhead are coming in handy for once.
The rest of the observing session is pretty much washed out though  )
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Anonymous
Unregistered
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Wear you sunglasses...er, I mean... moonglasses. 
Russ Schnitzer
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Anonymous
Unregistered
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Another thing to consider is the full moon is not the greatest phase to view lunar detail in because there are very few shadows to give surface features relief/detail.
Full moon also is a pain for other types of astronomy because it is so bright (shakes fist at the full moon)
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Jefferson1964
professor emeritus
Reged: 07/15/04
Posts: 570
Loc: Mansfield, Texas
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I had this posted under lunar observing, however, here it is, its goofy and kind funny....
http://www.rathergood.com/moon_song/
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10x70 Binos
Astroscan 2000
8" LX200GPS UHTC
ETX-125EC
ETX-125PE
The ETX Travel Buddies.....
DSIProII DSIPro
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Anonymous
Unregistered
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Quote:
Wear your sunglasses...er, I mean... moonglasses.
Russ Schnitzer
Thanks, but I've already gone the sunglasses route.
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Anonymous
Unregistered
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      great
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