I have a been offered a 180mm Skywatcher Maksutov OTA at a good price .
I would like to do hi Res White light Solar and Lunar Imaging.
So I thought I would stack a few Barlow's on my ED100 to get an idea of how my images might look.
Here are todays results with some images of AR2783 on an average seeing day with a moderate breeze.
If anyone has any opinions on using one of these big mak's for solar , could you share them please.
Martin
AR2783 ED100 stacked Barlow's 21/11/2020
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AR2783 ED100 stacked Barlow's 21/11/2020
H alpha : ,Skywatcher 120mm F8 open frame refractor, a tilted 2" 7nm H-alpha filter as a sub energy rejection filter, Baader TZ4 telecentric focal extender, Player One energy rejection filter, Combo Quark Chromosphere, Naked PST etalon for double stacking, ASI74mm camera
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Re: AR2783 ED100 stacked Barlow's 21/11/2020
An intriguing prospect, though with the cost of the ERF, would it be worth it?
Call me Geoff.
I do what I do because I want to, and because I can....
Doesn't mean I know what I'm doing, though!
I do what I do because I want to, and because I can....
Doesn't mean I know what I'm doing, though!
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Re: AR2783 ED100 stacked Barlow's 21/11/2020
Nice images Geoff, but what about the two new spots ??
Terry
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Re: AR2783 ED100 stacked Barlow's 21/11/2020
Nice images Geoff, but what about the two new spots ??
Terry
Terry
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Re: AR2783 ED100 stacked Barlow's 21/11/2020
Nice shots Martin. I've not used a Mak for solar (excluding a meade 90 years ago I used for whitelight).
http://brierleyhillsolar.blogspot.co.uk/
Solar images, a collection of all the most up to date live solar data on the web, imaging & processing tutorials - please take a look!
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Re: AR2783 ED100 stacked Barlow's 21/11/2020
The 2 times Barlow turned out better than I would have imagined. Can't help with the Maksutov.
Dan
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Re: AR2783 ED100 stacked Barlow's 21/11/2020
Great start with your WL. I had great success many years ago with a 10inch with a WL filter and old tech Philips ToUcam. Coincidentally I've just got a WL filter for my 11inch SCT so hopefully do the same along with my Lunt 60DS for HA.
10ft x 6ft Solar RoR with Warm Room
Lunt 60mm Double Stack HA
80ed WL+ Lunt Hershal Wedge + Badder K-Line filter.
100mm AR + Lunt b1800 Ca-K module.
Neq6 Eq Mount.
2.7m Pulsar Dome.
11in Celestron SCT + White Light Filter.
70mm AR Stellavue.
12inch OO Newtonian.
Eq8 r Pro Mount.
Lunt 60mm Double Stack HA
80ed WL+ Lunt Hershal Wedge + Badder K-Line filter.
100mm AR + Lunt b1800 Ca-K module.
Neq6 Eq Mount.
2.7m Pulsar Dome.
11in Celestron SCT + White Light Filter.
70mm AR Stellavue.
12inch OO Newtonian.
Eq8 r Pro Mount.
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Re: AR2783 ED100 stacked Barlow's 21/11/2020
Thank you all for your comments, I'm still looking at getting a Mak. How effective is an ND 5.0 film type solar filter, for Imaging with larger aperture telescopes over150mm?.
Martin
Martin
H alpha : ,Skywatcher 120mm F8 open frame refractor, a tilted 2" 7nm H-alpha filter as a sub energy rejection filter, Baader TZ4 telecentric focal extender, Player One energy rejection filter, Combo Quark Chromosphere, Naked PST etalon for double stacking, ASI74mm camera
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Re: AR2783 ED100 stacked Barlow's 21/11/2020
Superb WL images Martin
I had no luck at all with ND5 film on the C11
Alexandra
I had no luck at all with ND5 film on the C11
Alexandra