Date   

Re: Small AP Mount Ideas

Kenneth Tan
 

No I mean Mach1. The Mach2 is a great mount but on the heavy side. 

On Fri, 30 Apr 2021 at 01:48, John Chakel <jachakel@...> wrote:
You mean a Mach 2?


Re: Small AP Mount Ideas

John Chakel
 

You mean a Mach 2?


Re: Small AP Mount Ideas

Kenneth Tan
 

A Mach 1 size mount with encoders will be great! 

On Thu, 29 Apr 2021 at 23:40, dvjbaja <jpgleasonid@...> wrote:
All AP would really have to do is just bring back the Mach 1. No design work necessary, tools exist.   As has been previously said by George, it's all about manufacturing capacity at AP. They seem very busy, and as we know, folks wait a long time for AP products.  In the meantime, I had the RST-135 out last night with the Stowaway. What a wonderful machine and great experience.  In alt-az mode, I zeroed in on 100 double stars with a 4.5 Delos eyepiece in very short order.  That little telescope was crying out for more magnification!   Cheers.

On Wed, Apr 28, 2021 at 8:59 PM <alan.dang@...> wrote:

If we are going to do fantasy-football type scenarios, I think reasonable strategies would be to do a collaboration with 

Takahashi
- EM-11 with AP electronics/software

AP doesn’t have to invest in manufacturing a small mount and gets the closest thing to an AP400.

Takahashi doesn’t even have official ASCOM support even with the Temma3.  They need software help.

Win-win.  The EM-11 and EM-200 really do not compete with any of the current AP mounts.  Risk is that an EM200 with AP secret sauce cannibalizes the Mach2 line, so it might have to be limited to the EM-11.


Vixen 
Starbook Ten for GTOCPO4
APCC/APPM for Starbook Ten

Starbook Ten is a very nice controller for visual astronomy and portability.  Its database won’t disappear if the battery runs out.  They have software to handle relative encoders already.  Would be a nice upgrade to the Mach2 for visual astronomers.

The current SXD2 and SXP2 are lighter than a Mach2.  Maybe AP can get acceptable portable performance with support for APCC/APMM and adding a factory PEC.  It’s further away from the Mach2 so there is zero chance of cannibalism and AP gets to offer two options for the hand controller on their premium line.

Unitec
The SWAT-350 V-spec is a really good ultra light mount and can be combined as a pair to provide GEM capabilities.  There is no good software support so AP could tweak CPOGT4 to support this setup if there was a way to increase the drive speed (it’s limited to 2x sidereal right now)
https://reflexions.jp/tenref/astro/equipment/mount/9283/

Clearly would not cannabilize the current AP mounts but may involve a lot more effort than the other two options. 


Re: Small AP Mount Ideas

dvjbaja
 

All AP would really have to do is just bring back the Mach 1. No design work necessary, tools exist.   As has been previously said by George, it's all about manufacturing capacity at AP. They seem very busy, and as we know, folks wait a long time for AP products.  In the meantime, I had the RST-135 out last night with the Stowaway. What a wonderful machine and great experience.  In alt-az mode, I zeroed in on 100 double stars with a 4.5 Delos eyepiece in very short order.  That little telescope was crying out for more magnification!   Cheers.


On Wed, Apr 28, 2021 at 8:59 PM <alan.dang@...> wrote:

If we are going to do fantasy-football type scenarios, I think reasonable strategies would be to do a collaboration with 

Takahashi
- EM-11 with AP electronics/software

AP doesn’t have to invest in manufacturing a small mount and gets the closest thing to an AP400.

Takahashi doesn’t even have official ASCOM support even with the Temma3.  They need software help.

Win-win.  The EM-11 and EM-200 really do not compete with any of the current AP mounts.  Risk is that an EM200 with AP secret sauce cannibalizes the Mach2 line, so it might have to be limited to the EM-11.


Vixen 
Starbook Ten for GTOCPO4
APCC/APPM for Starbook Ten

Starbook Ten is a very nice controller for visual astronomy and portability.  Its database won’t disappear if the battery runs out.  They have software to handle relative encoders already.  Would be a nice upgrade to the Mach2 for visual astronomers.

The current SXD2 and SXP2 are lighter than a Mach2.  Maybe AP can get acceptable portable performance with support for APCC/APMM and adding a factory PEC.  It’s further away from the Mach2 so there is zero chance of cannibalism and AP gets to offer two options for the hand controller on their premium line.

Unitec
The SWAT-350 V-spec is a really good ultra light mount and can be combined as a pair to provide GEM capabilities.  There is no good software support so AP could tweak CPOGT4 to support this setup if there was a way to increase the drive speed (it’s limited to 2x sidereal right now)
https://reflexions.jp/tenref/astro/equipment/mount/9283/

Clearly would not cannabilize the current AP mounts but may involve a lot more effort than the other two options. 


Re: Question re: Checking RAPAS with initial Pempro Polar Align via drift

Jon L Williams
 

Q


On Apr 28, 2021, at 7:25 PM, Jil Tardiff <jtardiff@...> wrote:

Hi Scott,

Ah, this helps quite a bit.  Yes, I have an MN190  (hoisting that sucker up on the 1100GTO should be an adventure ;-) .  Actually one of the main reasons to move up to the 1100GTO from my Eq6R-Pro was to improve my imaging with that scope, so I'll give it a shot.  Good news that your RAPAS was so close, it seems that most of the time that is the case, but I figured I would give it a good look just to be sure. 

That is really encouraging re: Sharpcap PA with such a long focal length , I had assumed the field of view would be problematic and just used a guidescope.  Would be nice to avoid using one.

Great - now I have a good starting point for when the clouds finally go away.   I'm really hoping to have things squared away before I take the setup on it's first "trip" in mid-May.

Thanks again for the help,

Jil


Re: Small AP Mount Ideas

alan.dang@...
 

If we are going to do fantasy-football type scenarios, I think reasonable strategies would be to do a collaboration with 

Takahashi
- EM-11 with AP electronics/software

AP doesn’t have to invest in manufacturing a small mount and gets the closest thing to an AP400.

Takahashi doesn’t even have official ASCOM support even with the Temma3.  They need software help.

Win-win.  The EM-11 and EM-200 really do not compete with any of the current AP mounts.  Risk is that an EM200 with AP secret sauce cannibalizes the Mach2 line, so it might have to be limited to the EM-11.


Vixen 
Starbook Ten for GTOCPO4
APCC/APPM for Starbook Ten

Starbook Ten is a very nice controller for visual astronomy and portability.  Its database won’t disappear if the battery runs out.  They have software to handle relative encoders already.  Would be a nice upgrade to the Mach2 for visual astronomers.

The current SXD2 and SXP2 are lighter than a Mach2.  Maybe AP can get acceptable portable performance with support for APCC/APMM and adding a factory PEC.  It’s further away from the Mach2 so there is zero chance of cannibalism and AP gets to offer two options for the hand controller on their premium line.

Unitec
The SWAT-350 V-spec is a really good ultra light mount and can be combined as a pair to provide GEM capabilities.  There is no good software support so AP could tweak CPOGT4 to support this setup if there was a way to increase the drive speed (it’s limited to 2x sidereal right now)
https://reflexions.jp/tenref/astro/equipment/mount/9283/

Clearly would not cannabilize the current AP mounts but may involve a lot more effort than the other two options. 


Re: Question re: Checking RAPAS with initial Pempro Polar Align via drift

Jil Tardiff
 

Hi Scott,

Ah, this helps quite a bit.  Yes, I have an MN190  (hoisting that sucker up on the 1100GTO should be an adventure ;-) .  Actually one of the main reasons to move up to the 1100GTO from my Eq6R-Pro was to improve my imaging with that scope, so I'll give it a shot.  Good news that your RAPAS was so close, it seems that most of the time that is the case, but I figured I would give it a good look just to be sure. 

That is really encouraging re: Sharpcap PA with such a long focal length , I had assumed the field of view would be problematic and just used a guidescope.  Would be nice to avoid using one.

Great - now I have a good starting point for when the clouds finally go away.   I'm really hoping to have things squared away before I take the setup on it's first "trip" in mid-May.

Thanks again for the help,

Jil


Re: Small AP Mount Ideas

Raymond Lillard
 

Christopher, I'm happy to say that my advice is price competitive with your own.



On April 28, 2021 9:03:55 AM PDT, Christopher Erickson <christopher.k.erickson@...> wrote:
The G-11 isn't much lighter than the Mach1. And the Losmandy worm block + motor designs are better these days than days past, but still crap.

The GM-8 combined with their Gemini-II isn't a bad solution for a portable mount and is better than all of the far-East stuff. Still nothing like a Mach1. And nothing like the Rainbow Astro mounts for portability. 

"My advice is always free and worth every penny!"

-Christopher Erickson
Observatory Engineer
Summit Kinetics
Waikoloa, Hawaii


Virus-free. www.avg.com

On Wed, Apr 28, 2021 at 4:48 AM Raymond Lillard <rlillard@...> wrote:

I am on the wait list for a Mach2, but from recent communication with
AP, it will be at least a year before my name comes up.  My concern with
the Mach2 is the weight.  I have a Mach1 which I can muscle around when
mobile and shooting with one of my big guns.  When my name comes up I
will need to think very carefully about its weight.

I also have an iOptron CEM25EC and a good collection of Nikon camera
lenses, the longest focal length is 300mm.  It is good enough to shoot 5
minute subs @300mm with the ASI2600MC.  The stars are just barely oval
at 7 minutes.  This is UNGUIDED with a very precise polar alignment.

I'll omit the details of the mechanical modifications I had to make to
get good polar alignment.  Take my word for it, the machining is
embarrassingly bad and I say the same about the software. I does work,
not because of, but in-spite of...

I said all of that to make a point that I would love to have an similar
offering from AP.  I don't think it would not need to retail for more
than $5k-ish as the tolerances for such wide-field work need not be as
tight as for AP's big mounts.

What about the crazy idea of AP working with Losmandy to put encoders on
a G11 ?  I'd buy one right now.  I'd even help with the firmware
development for free.  I am a semi-retired (sometimes just tired)
engineer who has managed many development projects and written miles of
code to control similar things.

I'm not sure how the Gemini thing would work in this scenario. Maybe it
goes away, maybe not.  A joint effort would not burden AP's overloaded
factory and Losmandy would not need to build a software team.

I too like the feature that the Mach1 and the G11 axes can be separated.

I should have warned everyone at the top that I never know where my
stream-of-consciousness posts will go when I get wound up.

--
Ray


On 4/27/21 4:06 PM, W Hilmo wrote:
> Certainly, if you don't separate the AP1100 axes, it's bigger and heavier than the Mach2.  I do separate them, though, for packing and transport.  The bin in which I carry it would need to be much larger if I didn't separate them.
>
> For what it's worth, I'm no stranger to using big mounts as "portable" mounts.  I take my AP1600 into the field at least once per year, for Oregon Star Party.  Occasionally, I take it to another event or two, but mostly I use the AP1100 as my portable imaging mount.
>
> -----Original Message-----
> From: main@ap-gto.groups.io <main@ap-gto.groups.io> On Behalf Of Jeffc
> Sent: Tuesday, April 27, 2021 2:09 PM
> To: main@ap-gto.groups.io
> Subject: Re: [ap-gto] Small AP Mount Ideas
>
>
>
>> On Apr 27, 2021, at 1:13 PM, W Hilmo <y.groups@...> wrote:
>>
>> and I don't think that it's any more portable than my AP1100, since
>> the axes don't separate.
>
> Fwiw… I transport the 1100 (non AE version) with the axis mated.
> It is easier/faster to setup this way given the Dec cable.    The removable Dec/saddle plate is nice because then the whole mount fits in a decent size tub with the Dec plate + 16” saddle removed.
>
> I’m finding the Mach2 definitely takes up less space in the vehicle than the 1100.   The weight of the Mach2 (the part I need to carry off the tripod) is a tad bit less than the 1100 Ra+Dec.
> But yes the Mach2 is surprisingly heavy.
>
> Just another perspective: I prefer the Mach2 over the 1100 since the biggest OTA I’m using is a 12” ACF SCT.   The Mach2 seems to carry it no problem.   (Of course the 1100 I own is non-AE ; this also biases me to the Mach2.)
>
> And for “portable” work , I don’t think I need the 1100 capacity (no observatory here until we move to a different location.)
>
> Background: I acquired the 1100 to “downsize” from a 1200.  Note: I still have the 1200 — it is a bit dated, but is also “portable” and imo a very nice mount.
> I signed up for the “Mach 1 replacement” and was also surprised by the Mach2 size when I saw it at AIC.   Now that I’m using the Mach2 for a bit I’m not at all disappointed by the larger size.
>
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>






--
Sent from my Android device with K-9 Mail. Please excuse my brevity.


Re: Small AP Mount Ideas

Eric Dreher
 

I haven't discussed my G11G experience in 2017, especially in a public forum.

Suffice it to say I'm glad to be here.


Re: APCC

thefamily90 Phillips
 

Ye gads!!
😂

Thanks,

Jim


From: main@ap-gto.groups.io <main@ap-gto.groups.io> on behalf of Brian Valente <bvalente@...>
Sent: Wednesday, April 28, 2021 6:29:37 PM
To: main@ap-gto.groups.io <main@ap-gto.groups.io>
Subject: Re: [ap-gto] APCC
 

On Wed, Apr 28, 2021 at 3:19 PM thefamily90 Phillips <thefamily90@...> wrote:
I’m not sure why but somehow I found myself looking at the 2013 NEAF review of some Astro-physics mounts and software. I was blown away by the description of the APCC control of the mount. Is there a YouTube video or something else that explains how you set up and use the APCC control?

JimP 



--
Brian 



Brian Valente


Re: APCC

 


On Wed, Apr 28, 2021 at 3:19 PM thefamily90 Phillips <thefamily90@...> wrote:
I’m not sure why but somehow I found myself looking at the 2013 NEAF review of some Astro-physics mounts and software. I was blown away by the description of the APCC control of the mount. Is there a YouTube video or something else that explains how you set up and use the APCC control?

JimP 



--
Brian 



Brian Valente


APCC

thefamily90 Phillips
 

I’m not sure why but somehow I found myself looking at the 2013 NEAF review of some Astro-physics mounts and software. I was blown away by the description of the APCC control of the mount. Is there a YouTube video or something else that explains how you set up and use the APCC control?

JimP 


Re: Small AP Mount Ideas

Christopher Erickson
 

The G-11 isn't much lighter than the Mach1. And the Losmandy worm block + motor designs are better these days than days past, but still crap.

The GM-8 combined with their Gemini-II isn't a bad solution for a portable mount and is better than all of the far-East stuff. Still nothing like a Mach1. And nothing like the Rainbow Astro mounts for portability. 

"My advice is always free and worth every penny!"

-Christopher Erickson
Observatory Engineer
Summit Kinetics
Waikoloa, Hawaii


Virus-free. www.avg.com


On Wed, Apr 28, 2021 at 4:48 AM Raymond Lillard <rlillard@...> wrote:

I am on the wait list for a Mach2, but from recent communication with
AP, it will be at least a year before my name comes up.  My concern with
the Mach2 is the weight.  I have a Mach1 which I can muscle around when
mobile and shooting with one of my big guns.  When my name comes up I
will need to think very carefully about its weight.

I also have an iOptron CEM25EC and a good collection of Nikon camera
lenses, the longest focal length is 300mm.  It is good enough to shoot 5
minute subs @300mm with the ASI2600MC.  The stars are just barely oval
at 7 minutes.  This is UNGUIDED with a very precise polar alignment.

I'll omit the details of the mechanical modifications I had to make to
get good polar alignment.  Take my word for it, the machining is
embarrassingly bad and I say the same about the software. I does work,
not because of, but in-spite of...

I said all of that to make a point that I would love to have an similar
offering from AP.  I don't think it would not need to retail for more
than $5k-ish as the tolerances for such wide-field work need not be as
tight as for AP's big mounts.

What about the crazy idea of AP working with Losmandy to put encoders on
a G11 ?  I'd buy one right now.  I'd even help with the firmware
development for free.  I am a semi-retired (sometimes just tired)
engineer who has managed many development projects and written miles of
code to control similar things.

I'm not sure how the Gemini thing would work in this scenario. Maybe it
goes away, maybe not.  A joint effort would not burden AP's overloaded
factory and Losmandy would not need to build a software team.

I too like the feature that the Mach1 and the G11 axes can be separated.

I should have warned everyone at the top that I never know where my
stream-of-consciousness posts will go when I get wound up.

--
Ray


On 4/27/21 4:06 PM, W Hilmo wrote:
> Certainly, if you don't separate the AP1100 axes, it's bigger and heavier than the Mach2.  I do separate them, though, for packing and transport.  The bin in which I carry it would need to be much larger if I didn't separate them.
>
> For what it's worth, I'm no stranger to using big mounts as "portable" mounts.  I take my AP1600 into the field at least once per year, for Oregon Star Party.  Occasionally, I take it to another event or two, but mostly I use the AP1100 as my portable imaging mount.
>
> -----Original Message-----
> From: main@ap-gto.groups.io <main@ap-gto.groups.io> On Behalf Of Jeffc
> Sent: Tuesday, April 27, 2021 2:09 PM
> To: main@ap-gto.groups.io
> Subject: Re: [ap-gto] Small AP Mount Ideas
>
>
>
>> On Apr 27, 2021, at 1:13 PM, W Hilmo <y.groups@...> wrote:
>>
>> and I don't think that it's any more portable than my AP1100, since
>> the axes don't separate.
>
> Fwiw… I transport the 1100 (non AE version) with the axis mated.
> It is easier/faster to setup this way given the Dec cable.    The removable Dec/saddle plate is nice because then the whole mount fits in a decent size tub with the Dec plate + 16” saddle removed.
>
> I’m finding the Mach2 definitely takes up less space in the vehicle than the 1100.   The weight of the Mach2 (the part I need to carry off the tripod) is a tad bit less than the 1100 Ra+Dec.
> But yes the Mach2 is surprisingly heavy.
>
> Just another perspective: I prefer the Mach2 over the 1100 since the biggest OTA I’m using is a 12” ACF SCT.   The Mach2 seems to carry it no problem.   (Of course the 1100 I own is non-AE ; this also biases me to the Mach2.)
>
> And for “portable” work , I don’t think I need the 1100 capacity (no observatory here until we move to a different location.)
>
> Background: I acquired the 1100 to “downsize” from a 1200.  Note: I still have the 1200 — it is a bit dated, but is also “portable” and imo a very nice mount.
> I signed up for the “Mach 1 replacement” and was also surprised by the Mach2 size when I saw it at AIC.   Now that I’m using the Mach2 for a bit I’m not at all disappointed by the larger size.
>
>
>
>
>
>
>
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>






Re: Small AP Mount Ideas

Raymond Lillard
 

I am on the wait list for a Mach2, but from recent communication with AP, it will be at least a year before my name comes up. My concern with the Mach2 is the weight. I have a Mach1 which I can muscle around when mobile and shooting with one of my big guns. When my name comes up I will need to think very carefully about its weight.

I also have an iOptron CEM25EC and a good collection of Nikon camera lenses, the longest focal length is 300mm. It is good enough to shoot 5 minute subs @300mm with the ASI2600MC. The stars are just barely oval at 7 minutes. This is UNGUIDED with a very precise polar alignment.

I'll omit the details of the mechanical modifications I had to make to get good polar alignment. Take my word for it, the machining is embarrassingly bad and I say the same about the software. I does work, not because of, but in-spite of...

I said all of that to make a point that I would love to have an similar offering from AP. I don't think it would not need to retail for more than $5k-ish as the tolerances for such wide-field work need not be as tight as for AP's big mounts.

What about the crazy idea of AP working with Losmandy to put encoders on a G11 ? I'd buy one right now. I'd even help with the firmware development for free. I am a semi-retired (sometimes just tired) engineer who has managed many development projects and written miles of code to control similar things.

I'm not sure how the Gemini thing would work in this scenario. Maybe it goes away, maybe not. A joint effort would not burden AP's overloaded factory and Losmandy would not need to build a software team.

I too like the feature that the Mach1 and the G11 axes can be separated.

I should have warned everyone at the top that I never know where my stream-of-consciousness posts will go when I get wound up.

--
Ray

On 4/27/21 4:06 PM, W Hilmo wrote:
Certainly, if you don't separate the AP1100 axes, it's bigger and heavier than the Mach2. I do separate them, though, for packing and transport. The bin in which I carry it would need to be much larger if I didn't separate them.
For what it's worth, I'm no stranger to using big mounts as "portable" mounts. I take my AP1600 into the field at least once per year, for Oregon Star Party. Occasionally, I take it to another event or two, but mostly I use the AP1100 as my portable imaging mount.
-----Original Message-----
From: main@ap-gto.groups.io <main@ap-gto.groups.io> On Behalf Of Jeffc
Sent: Tuesday, April 27, 2021 2:09 PM
To: main@ap-gto.groups.io
Subject: Re: [ap-gto] Small AP Mount Ideas

On Apr 27, 2021, at 1:13 PM, W Hilmo <y.groups@hilmo.net> wrote:

and I don't think that it's any more portable than my AP1100, since
the axes don't separate.
Fwiw… I transport the 1100 (non AE version) with the axis mated.
It is easier/faster to setup this way given the Dec cable. The removable Dec/saddle plate is nice because then the whole mount fits in a decent size tub with the Dec plate + 16” saddle removed.
I’m finding the Mach2 definitely takes up less space in the vehicle than the 1100. The weight of the Mach2 (the part I need to carry off the tripod) is a tad bit less than the 1100 Ra+Dec.
But yes the Mach2 is surprisingly heavy.
Just another perspective: I prefer the Mach2 over the 1100 since the biggest OTA I’m using is a 12” ACF SCT. The Mach2 seems to carry it no problem. (Of course the 1100 I own is non-AE ; this also biases me to the Mach2.)
And for “portable” work , I don’t think I need the 1100 capacity (no observatory here until we move to a different location.)
Background: I acquired the 1100 to “downsize” from a 1200. Note: I still have the 1200 — it is a bit dated, but is also “portable” and imo a very nice mount.
I signed up for the “Mach 1 replacement” and was also surprised by the Mach2 size when I saw it at AIC. Now that I’m using the Mach2 for a bit I’m not at all disappointed by the larger size.


Re: Question re: Checking RAPAS with initial Pempro Polar Align via drift

skester@...
 

Hi Jill,

I would not use the guide scope as the image scale is likely too low to give you the most accurate answer, along with the potential for flexure that you pointed out.  I would use your primary imaging scope/camera, and even prefer a longer focal length than an Esprit 80 if you have one.  I think you mentioned an MN190 over at CN?

I recently went through the same exercise of verifying my RAPAS, but rather than a PemPro Drift I used PHD2 drift.  Without adjustment the RAPAS had the PA within 40 arc seconds, way better than I need for a travel setup with guiding, so I left it alone.  Since you have Sharpcap that would also be a quick/easy way to verify the RAPAS.  I guide with an OAG as well and found Sharpcap PA worked great using the primary OTA and imaging camera to polar align, even when I have my C11 mounted, producing very accurate results.

Scott


Re: Zodiacal light over the Pacific

thefamily90 Phillips
 

What a Gorgeous view. Stunning!
I know there are many reasons but this certainly is one of the reasons you like Hawaii so much! Wow!!

Jim


From: main@ap-gto.groups.io <main@ap-gto.groups.io> on behalf of Jeff B <mnebula946@...>
Sent: Tuesday, April 27, 2021 11:26:48 PM
To: main@ap-gto.groups.io <main@ap-gto.groups.io>
Cc: main@ap-ug.groups.io <main@ap-ug.groups.io>
Subject: Re: [ap-gto] Zodiacal light over the Pacific
 
Sounds like you and Marj had a great and relaxing time Roland.  You all deserve a nice break and thanks for supporting us in our wonderful hobby.

Jeff

On Tue, Apr 27, 2021 at 8:48 PM Roland Christen via groups.io <chris1011=aol.com@groups.io> wrote:
My latest entry at Astrobin:


Back in April Marj and I visited Hawaii Island for a short vacation. We had some very clear nights with bright Milky Way overhead, and I did some observing with friends and neighbors with our 175 refractor. Someone mentioned that Saturn was her favorite planet because it has rings. I added that actually many of the planets had rings, including our Earth. I had them look west over the Pacific where the Zodiacal light rose straight up, reaching overhead into the Milky way. I explained that this is a ring of dust that is being illuminated by the sun, and we can see it every night after sunset in this pristine sky.

I was able to capture it on the following night with my 12mm Rokinon lens on my little Sony camera. It took a number of tries because some images were ruined by airplanes in their decent towards the Kona airport. But eventually I got five 30 second exposures that i combined in this shot.

I also spent quite a few nights getting acquainted with the southern skies using both 100mm binoculars and our 175 refractor. No imaging, just visual the way people used to look at the skies. Down here in the south Pacific, one can see Omega Centauri quite high up, and easily see the Carina Nebula and other deep sky objects in that part of the sky. I eventually went to bed as the Scorpion rose over Mauna Kea and the gibbous Moon appeared over the top of Kohala mountain. From my observatory I have a view of 5 volcanoes - Mauna Kea, Mauna Loa, Hualalai, Kohala, and Maui's Haleakala.

Rolando

--
Roland Christen
Astro-Physics


Re: Zodiacal light over the Pacific

fernandorivera3
 

Roland thanks for sharing the Hawaii trip experience with the group 👍

Fernando


Re: Small AP Mount Ideas

Jeffc
 

Well... originally this thread was about a small portable mount.... which equates to something that can also be setup quickly.  Maybe I should have stressed that a bit more in my comment regarding portability.

My initial experience with the 1100 setup was that mating the axis , fishing the cables, etc. is not a "quick" operation.
However, the beauty of the 1100 is that it _can_ be transported as a single unit, and while I am no strongman/weightlifter, I can lift the assembled 1100 mount onto a tripod/pier.

After (?) 20+ years of "going portable" either for imaging or visual work, I've gone from 5 minute setup/teardown times, to hour long setup/teardown durations (e.g. the 1200 is tedious, and I'm sure you will agree the same with the 1600).   
So with the 1100 I was looking at reducing the setup/teardown time... and indeed it is better than the 1200 and also a smaller footprint transport size than the 1200.    My point is the Mach2 takes it a step further, and without much downside.   

TBH, when I got the 1100 I was impressed with the compactness of the shipping boxes.   
But then I realized I would never be able to use the "compact shipping" configuration for "portable transport"... just way too many things to fiddle with getting it setup.   

¯\_()_/¯


On Tue, Apr 27, 2021 at 4:06 PM W Hilmo <y.groups@...> wrote:
Certainly, if you don't separate the AP1100 axes, it's bigger and heavier than the Mach2.  I do separate them, though, for packing and transport.  The bin in which I carry it would need to be much larger if I didn't separate them.

For what it's worth, I'm no stranger to using big mounts as "portable" mounts.  I take my AP1600 into the field at least once per year, for Oregon Star Party.  Occasionally, I take it to another event or two, but mostly I use the AP1100 as my portable imaging mount.

-----Original Message-----
From: main@ap-gto.groups.io <main@ap-gto.groups.io> On Behalf Of Jeffc
Sent: Tuesday, April 27, 2021 2:09 PM
To: main@ap-gto.groups.io
Subject: Re: [ap-gto] Small AP Mount Ideas



> On Apr 27, 2021, at 1:13 PM, W Hilmo <y.groups@...> wrote:
>
> and I don't think that it's any more portable than my AP1100, since
> the axes don't separate.

Fwiw… I transport the 1100 (non AE version) with the axis mated.
It is easier/faster to setup this way given the Dec cable.    The removable Dec/saddle plate is nice because then the whole mount fits in a decent size tub with the Dec plate + 16” saddle removed.

I’m finding the Mach2 definitely takes up less space in the vehicle than the 1100.   The weight of the Mach2 (the part I need to carry off the tripod) is a tad bit less than the 1100 Ra+Dec.
But yes the Mach2 is surprisingly heavy.

Just another perspective: I prefer the Mach2 over the 1100 since the biggest OTA I’m using is a 12” ACF SCT.   The Mach2 seems to carry it no problem.   (Of course the 1100 I own is non-AE ; this also biases me to the Mach2.)

And for “portable” work , I don’t think I need the 1100 capacity (no observatory here until we move to a different location.)

Background: I acquired the 1100 to “downsize” from a 1200.  Note: I still have the 1200 — it is a bit dated, but is also “portable” and imo a very nice mount.
I signed up for the “Mach 1 replacement” and was also surprised by the Mach2 size when I saw it at AIC.   Now that I’m using the Mach2 for a bit I’m not at all disappointed by the larger size.



















Re: Zodiacal light over the Pacific

Jeff B
 

Sounds like you and Marj had a great and relaxing time Roland.  You all deserve a nice break and thanks for supporting us in our wonderful hobby.

Jeff

On Tue, Apr 27, 2021 at 8:48 PM Roland Christen via groups.io <chris1011=aol.com@groups.io> wrote:
My latest entry at Astrobin:


Back in April Marj and I visited Hawaii Island for a short vacation. We had some very clear nights with bright Milky Way overhead, and I did some observing with friends and neighbors with our 175 refractor. Someone mentioned that Saturn was her favorite planet because it has rings. I added that actually many of the planets had rings, including our Earth. I had them look west over the Pacific where the Zodiacal light rose straight up, reaching overhead into the Milky way. I explained that this is a ring of dust that is being illuminated by the sun, and we can see it every night after sunset in this pristine sky.

I was able to capture it on the following night with my 12mm Rokinon lens on my little Sony camera. It took a number of tries because some images were ruined by airplanes in their decent towards the Kona airport. But eventually I got five 30 second exposures that i combined in this shot.

I also spent quite a few nights getting acquainted with the southern skies using both 100mm binoculars and our 175 refractor. No imaging, just visual the way people used to look at the skies. Down here in the south Pacific, one can see Omega Centauri quite high up, and easily see the Carina Nebula and other deep sky objects in that part of the sky. I eventually went to bed as the Scorpion rose over Mauna Kea and the gibbous Moon appeared over the top of Kohala mountain. From my observatory I have a view of 5 volcanoes - Mauna Kea, Mauna Loa, Hualalai, Kohala, and Maui's Haleakala.

Rolando

--
Roland Christen
Astro-Physics


Zodiacal light over the Pacific

Roland Christen
 

My latest entry at Astrobin:

https://www.astrobin.com/full/0ueuhs/0/?nc=Uncarollo

Back in April Marj and I visited Hawaii Island for a short vacation. We had some very clear nights with bright Milky Way overhead, and I did some observing with friends and neighbors with our 175 refractor. Someone mentioned that Saturn was her favorite planet because it has rings. I added that actually many of the planets had rings, including our Earth. I had them look west over the Pacific where the Zodiacal light rose straight up, reaching overhead into the Milky way. I explained that this is a ring of dust that is being illuminated by the sun, and we can see it every night after sunset in this pristine sky.

I was able to capture it on the following night with my 12mm Rokinon lens on my little Sony camera. It took a number of tries because some images were ruined by airplanes in their decent towards the Kona airport. But eventually I got five 30 second exposures that i combined in this shot.

I also spent quite a few nights getting acquainted with the southern skies using both 100mm binoculars and our 175 refractor. No imaging, just visual the way people used to look at the skies. Down here in the south Pacific, one can see Omega Centauri quite high up, and easily see the Carina Nebula and other deep sky objects in that part of the sky. I eventually went to bed as the Scorpion rose over Mauna Kea and the gibbous Moon appeared over the top of Kohala mountain. From my observatory I have a view of 5 volcanoes - Mauna Kea, Mauna Loa, Hualalai, Kohala, and Maui's Haleakala.

Rolando

--
Roland Christen
Astro-Physics

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