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M81,M82 with the RASA 11

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#1 Acer

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Posted 14 February 2020 - 09:39 PM

It was finally a clear night last night, so I got to use my new RASA 11 again! This time I shot M81 and M82.

 

I decided to see how my mono camera with filter wheel works with the RASA 11. I was wondering if the large filter wheel would affect the image too much or not.

 

It looks like it will work fine with the filter wheel and also with my normal filters. So I won't have to buy the expensive 2" "fast" filters for this scope. Some of the stars are very slightly out of round, but I think I can fix that with making a mask to sit in front of the filter wheel.

 

Anyway, here is the photo. This is an integration of:

 

Lum: 200, 20 second images

Red: 48, 45 second images

Green: 48, 45 second images

Blue: 48, 45 second images

H-Alpha: 40, 90 second images

 

Celestron RASA 11

ZWO ASI183MM Pro

EQ6-R Pro

ZWO ASI290MM MIni Guide Camera

 

49535603633_d59a9383ba_o.jpgM81-RASA-Mono-Small by Colo CJ, on Flickr


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#2 Astrola72

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Posted 14 February 2020 - 10:21 PM

Nice! waytogo.gif

 

Joe



#3 DSOs4Me

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Posted 14 February 2020 - 10:24 PM

Very Nice! - Don't you love fast scopes smile.gif



#4 sunnyday

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Posted 14 February 2020 - 10:25 PM

wow and wow again 



#5 petert913

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Posted 15 February 2020 - 12:56 AM

That is just great !  Super resolution, great color.   I love it.



#6 artem2

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Posted 15 February 2020 - 10:48 AM

waytogo.gifwaytogo.gifwaytogo.gif



#7 PittsDriver

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Posted 15 February 2020 - 11:14 AM

That's a great image. Well done.

 

What size filters are you using out of curiosity?

 

Rich


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#8 Acer

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Posted 15 February 2020 - 11:19 AM

Thanks everyone!

 

That's a great image. Well done.

 

What size filters are you using out of curiosity?

 

Rich

 

I am using 1.25" filters in a 5 position ZWO EFW


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#9 PittsDriver

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Posted 15 February 2020 - 11:29 AM

Thanks everyone!

 

 

I am using 1.25" filters in a 5 position ZWO EFW

Good to know. Thanks

 

Rich



#10 Acer

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Posted 15 February 2020 - 02:51 PM

Here's the full size (well 3000 px wide) image for those interested.

 

get.jpg?insecure



#11 mpaul73

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Posted 15 February 2020 - 07:38 PM

I N C R E D A B L E



#12 ON9COP

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Posted 10 April 2020 - 08:45 AM

hi Andrew,

great image !

I today received my RASA 11. I also have a Zwo EFW 5 with 5 unmounted filters. The scope will be installed on a 10Micron GM1000 HPS.

My question : with such short exposures are you dithering (in order to avoid walking noise) ?

 

Serge in Belgium,


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#13 Swordfishy

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Posted 10 April 2020 - 11:29 AM

Awesome. Love it. FAST!




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