Aug 14, 2022, Quark+Lunt 40mm double stack @ 127mm aperture

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Oak
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Aug 14, 2022, Quark+Lunt 40mm double stack @ 127mm aperture

Post by Oak »

Hi All,

I had first light on a new solar setup yesterday and wanted to share the first image. I was only able to get one 30-second capture before clouds rolled in – and this before I could really adjust the tilt adapter or capture settings as I would have liked. The result is better than I had hoped given the conditions. These are taken with a Quark+Lunt 40mm double stack in a 127mm/1200 (2-inch 35nm H-alpha filter as ERF). Exposures are 6ms, 60fps, with high gain using a camera with 4.8um pixels at f/39.5. Clearly, lots to optimize, but that should be enjoyable. Visually, it was also pretty awesome.

Best,
Derek


B&W:

Image

Color:

Image

After a 300 pixel bandpass filter to remove some banding:

Image


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Re: Aug 14, 2022, Quark+Lunt 40mm double stack @ 127mm aperture

Post by DeepSolar64 »

WoW that's impressive for such a quick 30 second capture with few adjustments. The color really brings it to life too!!


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Re: Aug 14, 2022, Quark+Lunt 40mm double stack @ 127mm aperture

Post by Martin_S »

That's an amazing result for a first time session Derek, well done.


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: Aug 14, 2022, Quark+Lunt 40mm double stack @ 127mm aperture

Post by Montana »

What a wonderful capture and beautiful feathery processing too :bow :hamster:

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Re: Aug 14, 2022, Quark+Lunt 40mm double stack @ 127mm aperture

Post by marktownley »

Very promising results!


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Re: Aug 14, 2022, Quark+Lunt 40mm double stack @ 127mm aperture

Post by TareqPhoto »

Amazing great images, well deserved for "SPOTD".


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Re: Aug 14, 2022, Quark+Lunt 40mm double stack @ 127mm aperture

Post by Radon86 »

Oak wrote: Mon Aug 15, 2022 2:43 am Hi All,

I had first light on a new solar setup yesterday and wanted to share the first image. I was only able to get one 30-second capture before clouds rolled in – and this before I could really adjust the tilt adapter or capture settings as I would have liked. The result is better than I had hoped given the conditions. These are taken with a Quark+Lunt 40mm double stack in a 127mm/1200 (2-inch 35nm H-alpha filter as ERF). Exposures are 6ms, 60fps, with high gain using a camera with 4.8um pixels at f/39.5. Clearly, lots to optimize, but that should be enjoyable. Visually, it was also pretty awesome.

Best,
Derek

Hi Derek,
:band

Marvellous images Derek!!
How did you make this double stack ? Is the order: OTA: ERF: Lunt 40mm then Quark: Camera

Any chance of a photo of your wonderful scope ?

Thanks!
Magnus


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Re: Aug 14, 2022, Quark+Lunt 40mm double stack @ 127mm aperture

Post by Oak »

Radon86 wrote: Tue Aug 16, 2022 8:36 am
Oak wrote: Mon Aug 15, 2022 2:43 am Hi All,

I had first light on a new solar setup yesterday and wanted to share the first image. I was only able to get one 30-second capture before clouds rolled in – and this before I could really adjust the tilt adapter or capture settings as I would have liked. The result is better than I had hoped given the conditions. These are taken with a Quark+Lunt 40mm double stack in a 127mm/1200 (2-inch 35nm H-alpha filter as ERF). Exposures are 6ms, 60fps, with high gain using a camera with 4.8um pixels at f/39.5. Clearly, lots to optimize, but that should be enjoyable. Visually, it was also pretty awesome.

Best,
Derek

Hi Derek,
:band

Marvellous images Derek!!
How did you make this double stack ? Is the order: OTA: ERF: Lunt 40mm then Quark: Camera

Any chance of a photo of your wonderful scope ?

Thanks!
Magnus
Hi Magnus,

Thanks!
Here is the double stack:

Image

It is first the quark, then the Lunt 40mm.

The telescope is below: Bresser AR127L --> 2inch Badder 35nm H-alpha (ERF) --> Extension tubes --> Quark+Lunt Double stack --> Diagonal --> Binoviewers. The mount is a Bresser Exos2 motorized with OnStep (still a work in progress, hence the cardboard project box).

Image


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Re: Aug 14, 2022, Quark+Lunt 40mm double stack @ 127mm aperture

Post by DeepSolar64 »

Nice scope!! An achromat I presume?


Lunt 8x32 SUNoculars
Orion 70mm Solar Telescope
Celestron AstroMaster Alt/Az Mount
Meade Coronado SolarMax II 60 DS
Meade Coronado SolarMax II 90 DS
Meade Coronado AZS Alt/Az Mount
Astro-Tech AT72EDII with Altair solar wedge
Celestron NexStar 102GT with Altair solar wedge
Losmandy AZ8 Alt/Az Mount
Sky-Watcher AZGTI Alt-Az GoTo mount
Cameras: ZWO ASI178MM, PGR Grasshopper, PGR Flea
Lunt, Coronado, TeleVue, Orion and Meade eyepieces

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Re: Aug 14, 2022, Quark+Lunt 40mm double stack @ 127mm aperture

Post by Oak »

DeepSolar64 wrote: Wed Aug 17, 2022 12:05 am Nice scope!! An achromat I presume?
Thanks! Yep "inexpensive" achromat that has an easy dual speed focuser upgrade.


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