Greetings all, I just bought a second-hand 80f5 (Astro Travel 80), to be used as a guidescope for my setup. I am however somewhat at a loss as to what I can do...
7004
yeldahtron
May 8, 2006 10:11 pm
... Perhaps you'd consider replacing the entire focuser with a 2" crayford focuser for the Synta 80mm refractor... See "ST-80 f5 with #FRC2" at...
7005
zmanwyoh
Jun 8, 2006 6:36 am
I just bought the two speed version for my Vixen 102ED...Nice. I ordered a second one for my Nighthawk. It will fit an 80f5. I don't know that I would put...
7006
ladycathyofwales
ladycathyofw...
Jul 8, 2006 9:43 pm
Has anyone taken one of these little scopes and a tripod on a cruise ship, particularly on the Alaska Inside Passage? I think that these would be wonderful...
7007
Rod Mollise
rmollise
Jul 8, 2006 10:15 pm
Hi: It's largely a question of the movement of the ship. Even modern cruise ships pitch and roll anough to make anything other than the lowest mags unpleasant....
7008
Leo Taylor
leotaylor2
Jul 9, 2006 12:37 pm
"ladycathyofwales" ... I can't speak about daytime viewing, but can contribute a few words about ship board astronomy. My wife and I went on a Norwegian Cruise...
7009
jbrandii
Jul 9, 2006 1:49 pm
We did that cruise a few years ago, it was very nice. I had a pair of mediocre binos, and I used them alot. A small scope might be good or a pair of binos...
7010
ladycathyofwales
ladycathyofw...
Jul 9, 2006 5:34 pm
... I can't possibly afford stabilized binocs, but there seems to be a concensus that some type of binocular is the way to go. I have a pair of 8X30's, and I...
7011
mwillega
Jul 10, 2006 3:01 am
Hi folks, I figured I'd pass on some experiences with various mounts I've tried with the ST80 which is being mostly used for astronomy. 1) I first used a...
7012
Leo Taylor
leotaylor2
Jul 10, 2006 11:17 pm
... Yes, I can't justify the stabilized binos either. The 8x30s you have may be just what you need. We have a 7*35 Nikon which, as Jim wrote, can be carried...
7013
Richard Amirault
n1jdu
Jul 11, 2006 1:19 am
... Sure you can afford them ... you just can't afford a cruise AND the binoculars ;-) Richard Amirault N1JDU...
7014
Dan Janda
birchardvill...
Jul 16, 2006 4:05 pm
Lady Cathy et al... My wife and I took a long (2 month) cruise that included Antarctic waters, the Straits of Magellan, and so on. Of course, way different ...
7015
dgunsdk
Jul 18, 2006 4:12 pm
Would you mind sharing your plans or some pictures? -- Daniel ... tried with the ST80 which ... elevated over 30-45 degrees ... off to the rear of the ... ...
7016
Dan Janda
birchardvill...
Jul 19, 2006 2:09 am
I have a few pictures of the "angle iron" approach I used. My result was similar to Mikes -- a little more vibration, but easier pointing since the center of...
7017
Mike Willegal
mwillega
Jul 19, 2006 10:40 pm
Ok, I added an album in yahoo groups with several pictures called "homemade alt azimuth mount". Note that I have no plans. :-) Regards, Mike Willegal...
7018
Paulo Krieser
pkrieser
Sep 4, 2006 1:14 am
I have a 80f5 home made scope (objective dublet bought from surplusshed)and made a few astrophotos with it. I wander about buying a standard 80f5 from Orion,...
7019
jd_astro
Sep 5, 2006 7:59 pm
Hi Paulo - Pretty cold this year in Porto Alegre? Your 80mm homemade scope may not be much better optically than one that Orion sells. I don't remember seeing...
7020
Leo Taylor
leotaylor2
Sep 6, 2006 11:50 pm
... because they use a larger scope on a good mount to do the tracking and the smaller 80f5 rides piggyback with a camera. That sounds right up my alley. <G> I...
7021
Paulo Krieser
pkrieser
Sep 7, 2006 7:08 pm
Hi Jim Yes, we have a pretty cold weather in our light polluted Porto Alegre now. My 80f5 uses a coated achromatic dublet. His worse point is the field...
7022
Paulo Krieser
pkrieser
Sep 7, 2006 7:19 pm
Many thanks for the link, Leo. I'm well impressed by the Horsehead taken with Orion 80f5. Which mount did you use to get it? Some ideas about focal reducers...
7023
Jerome Bigge
jerome_bigge
Sep 7, 2006 7:59 pm
... Wow, these are great photos! Jerome Bigge Photographer, Astronomer, Bicyclist Author of the Warlady & Wartime series of SF novels at...
7024
jd astro
jd_astro
Sep 8, 2006 1:50 am
Hi Paulo - Very nice images. I can see you have really thought about exposure times! The Orion ST will definitely focus more of the field for you. But I would...
7025
intellisearch
cannogueira
Sep 10, 2006 4:16 pm
Paulo, I've been following this thread right from the beginning, but I was in a hurry to meet some deadlines for a client so I had no time to jump in. I just...
7026
Paulo Krieser
pkrieser
Sep 10, 2006 8:21 pm
Hi Jim The lenses were not home made, just the scope. By the way, thanks for the indications. You, your wife, as well as other friends are welcome to south of...
7027
Paulo Krieser
pkrieser
Sep 10, 2006 8:30 pm
Hi Carlos In fact, the achromat doublet I received from Surplusshed was not well assembled and I had an ugly spherical aberration. After I re- arranged the...
7028
Clay Cooper
coopman827
Sep 11, 2006 5:04 pm
Hi, I'm new here and am interested in obtaining a ST80 for use as a RFT and as a sunspot observing telescope. Regarding the latter, is the ST80 a decent scope...
7029
jd astro
jd_astro
Sep 11, 2006 8:38 pm
Hi Clay, welcome aboard. On Astromart I picked up a solar filter made of Baader film for $20, for an 80mm scope and it was the best view I ever had of the sun ...
7030
Clay Cooper
coopman827
Sep 11, 2006 9:37 pm
Thanks for the reply Jim. What's the max. power that the 80ST types can go to before the view becomes mushy? Clay...
7031
jd astro
jd_astro
Sep 12, 2006 3:36 am
I never tested mine at high powers since I have larger scopes for that. In general I think 100x might be the general consensus. Do a Google search "orion st80...
7032
Dan Janda
birchardvill...
Sep 12, 2006 5:27 am
Hi... I'm not an expert in imaging with my ST-80 (or my 10" dob, for that matter), but it is quite clear the general guideline of about 50 power per inch of...
