Tips on Shooting Andromeda

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h2opolo
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Tips on Shooting Andromeda

Post by h2opolo » Sat Sep 30, 2017 8:32 am

Hey what's the best course of action to image the Andromeda Galaxy?

I know you need to expose for the bands on one set and then do another for the core.

What would be the plan to shoot this thing?

Thanks Sean

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Re: Tips on Shooting Andromeda

Post by Doug » Sat Sep 30, 2017 9:15 am

Wide FOV, M31 is a monster!

Different exposure settings? Never tried that. I've always taken 10 minute exposures on this target, then processed the core down to blend with fainter outer bands.

The only thing I think I would try different, is sub the L with Ha...But, that's just me playing around. HaRGB all at 10 min. Shoot two nights min. That would be my plan.

Shoot it the way you want Sean. The best discoveries are when you play around with settings that are outside the "norm". Remember, there are no rules in AP!
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Re: Tips on Shooting Andromeda

Post by h2opolo » Sat Sep 30, 2017 12:36 pm

Yeah I know but I was just interested in seeing what you guys have done in the past in order to get an idea of a starting position.

I'm not going to be able to get the whole thing with the 127 and the ATIK. The 1600 can certainly do it or even the Williams Optics GT71 but I'm hesitant of tackling the 1600 right now while I finally have clear skies and the GT71 is on the Sky Guider Pro.

I'm definatly going to use the Ha in lieu of the LUM filter. Mainly because of the LP here at home.

Good to know that I can shoot just one master exposure and get both the core and the spirals in one shot. I have notes from a video you did a long time ago on using masks to get the center of M42 to come out with the rest of the nebula. I'll go watch that video again and apply it to Andromeda.

How exiciting. I can finally get a chance to use my RGB Astrodon's

I did try it last week just to see how they held up here at home in LP. I did (3) 5 minute exposures of each filter and combined them to see if I could pull it off. Here is that image. It doesn't have any calibration frames associated with it because it was just a quick down and dirty test. I'll probably go with 10 minute exposures rather than 5. This is just a test shot.

Thanks for the feedback Doug. If anybody else wants to chime in on their way of shooting this please feel free.
Attachments
ANDROMEDA TEST SHOT.jpg
ANDROMEDA TEST SHOT.jpg (250.2 KiB) Viewed 7297 times
Carbon ED 127 FCD 100 SERIES, GSO RC-8, WO ED 102, WO GT71 & Zenith Star 61
Losmandy G11G
NEQ6, Ioptron Sky Guider Pro, Lodestar X2,
QSI 690 & 683, ZWO ASI 294MC, Nikon D750, D5300
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Shoe size 11.5

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Re: Tips on Shooting Andromeda

Post by gardenfish » Sat Sep 30, 2017 12:52 pm

I liked the 127 view and my favorite was the Atik with the 80EDT. I only did lrgb but this year I plan on HaLRGB. 8-10 min subs. Double Ha and L over the rgb.
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Re: Tips on Shooting Andromeda

Post by h2opolo » Sat Sep 30, 2017 2:17 pm

Got it thanks.

I'm going to shoot it also with my sky guider pro, GT71 and Canon 60Da
Carbon ED 127 FCD 100 SERIES, GSO RC-8, WO ED 102, WO GT71 & Zenith Star 61
Losmandy G11G
NEQ6, Ioptron Sky Guider Pro, Lodestar X2,
QSI 690 & 683, ZWO ASI 294MC, Nikon D750, D5300
Astrodon Ha, SII, OII, LRGB
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Website http://www.redstickastro.com

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Re: Tips on Shooting Andromeda

Post by Doug » Sat Sep 30, 2017 4:26 pm

Good point Rick, I've never tried Lha combo.
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Re: Tips on Shooting Andromeda

Post by DkN » Tue Oct 03, 2017 8:40 am

I differ with Doing and think that you should use some short exposures on this. You can use Photoshop right?

Here is a thread I started last fall when working on m42 another high dynamic range target. Pay attention to Swager, and ollypenrice, somewhat disregard the others.

https://stargazerslounge.com/topic/2880 ... ing-ideas/
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Re: Tips on Shooting Andromeda

Post by Rudeviewer » Tue Oct 03, 2017 9:07 am

I used 10 min subs for the dust is lanes and 30s for the core. Use Photoshop to make your lum of both set of exposures.
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Re: Tips on Shooting Andromeda

Post by h2opolo » Tue Oct 03, 2017 1:03 pm

Okay I'll give a try if it ever clears up again. I was thinking that since the subject has two very different exposure points that there would have to be a way to layer in one on top of the other and save myself a bunch of processing.
Carbon ED 127 FCD 100 SERIES, GSO RC-8, WO ED 102, WO GT71 & Zenith Star 61
Losmandy G11G
NEQ6, Ioptron Sky Guider Pro, Lodestar X2,
QSI 690 & 683, ZWO ASI 294MC, Nikon D750, D5300
Astrodon Ha, SII, OII, LRGB
Shoe size 11.5

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Re: Tips on Shooting Andromeda

Post by Rudeviewer » Tue Oct 03, 2017 1:33 pm

I think you should hook up that asi1600 and shoot a ton of 30s images at unity gain. ;)
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Astro-Physics MACH1 GTO
Williams Optics GT81
Astro-Tech 8" RC
WO .8x Reducer/Flattener
ATIK 383l+ Mono
SXFW v2 USB
Baader RGB/Narrowband filters
Lodestar x2
Orion Thin Off-Axis Guider

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h2opolo
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Re: Tips on Shooting Andromeda

Post by h2opolo » Tue Oct 03, 2017 3:53 pm

All righty I'll do just that!!
Carbon ED 127 FCD 100 SERIES, GSO RC-8, WO ED 102, WO GT71 & Zenith Star 61
Losmandy G11G
NEQ6, Ioptron Sky Guider Pro, Lodestar X2,
QSI 690 & 683, ZWO ASI 294MC, Nikon D750, D5300
Astrodon Ha, SII, OII, LRGB
Shoe size 11.5

Website http://www.redstickastro.com

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