M31, M32, M110 w/ DSLR 300mm

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metastable
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M31, M32, M110 w/ DSLR 300mm

#1

Post by metastable »

M31, M32, M110 w/ DSLR 300mm - 2.5 sec - 20 images stacked - 12800iso - f/4.5 - no tracking - bortle 5 - 36mp Nikon d800 in raw

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Re: M31, M32, M110 w/ DSLR 300mm

#2

Post by BABOafrica »

Looking good.

I have noticed that fuzzy central portion appearing in images whenever I have tried to shoot with a normal camera lens. I'm not sure what causes it.

I like your avatar.

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Re: M31, M32, M110 w/ DSLR 300mm

#3

Post by Graeme1858 »

Hello Metastable

I can see your camera and tripod but your Andromeda image doesn't show for me.

Could you do an attachment instead of a link? Unless it's just me!

Regards

Graeme
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Re: M31, M32, M110 w/ DSLR 300mm

#4

Post by KathyNS »

Nicely done!

The bright central portion is vignetting. The centre of the sensor gets more light than the edges, due to the design of the lens. It is not normally a noticeable factor in daylight images. For astro images, calibrating with flats will take care of it.
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Re: M31, M32, M110 w/ DSLR 300mm

#5

Post by murphcc1 »

I cant see the astro pic either!!
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Re: M31, M32, M110 w/ DSLR 300mm

#6

Post by Juno16 »

I can see it and it looks great!

Like Kathy said.

Nice work!
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Re: M31, M32, M110 w/ DSLR 300mm

#7

Post by messier 111 »

sorry but the file does not open .
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Re: M31, M32, M110 w/ DSLR 300mm

#8

Post by metastable »

Graeme1858 wrote: ↑Fri Jan 01, 2021 11:38 am Hello Metastable

I can see your camera and tripod but your Andromeda image doesn't show for me.

Could you do an attachment instead of a link? Unless it's just me!

Regards

Graeme
murphcc1 wrote: ↑Fri Jan 01, 2021 1:03 pm I cant see the astro pic either!!
messier 111 wrote: ↑Fri Jan 01, 2021 3:24 pm sorry but the file does not open .
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Re: M31, M32, M110 w/ DSLR 300mm

#9

Post by messier 111 »

still no show , sorry .
I LOVE REFRACTORS , :Astronomer1: :sprefac:

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Re: M31, M32, M110 w/ DSLR 300mm

#10

Post by metastable »

messier 111 wrote: ↑Fri Jan 01, 2021 4:51 pm still no show , sorry .
CF0A5C68-FF71-45BE-A097-3A4FB0924444.jpeg
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Re: M31, M32, M110 w/ DSLR 300mm

#11

Post by messier 111 »

very nice thx .
I LOVE REFRACTORS , :Astronomer1: :sprefac:

REFRACTOR , TS-Optics Doublet SD-APO 125 mm f/7.8 . Lunt 80mm MT Ha Doublet Refractor .

EYEPIECES, Delos , Delite and 26mm Nagler t5 , 2 zoom Svbony 7-21 , Orion Premium Linear BinoViewer .

FILTER , Nebustar 2 tele vue . Apm solar wedge . contrast booster 2 inches .

Mounts , cg-4 motorized , eq6 pro belt drive .

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Re: M31, M32, M110 w/ DSLR 300mm

#12

Post by metastable »

KathyNS wrote: ↑Fri Jan 01, 2021 12:47 pm Nicely done!

The bright central portion is vignetting. The centre of the sensor gets more light than the edges, due to the design of the lens. It is not normally a noticeable factor in daylight images. For astro images, calibrating with flats will take care of it.
Thanks very much for your suggestion, I added 10 flat frames and 10 darks to the 20 lights (300mm f/4.5 2.5sec 12,600iso), and got a much nicer image with less vignetting...
IMG-andromeda-final-under5mb.jpg
IMG--2 copy.jpg
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Re: M31, M32, M110 w/ DSLR 300mm

#13

Post by metastable »

By the way I used starry landscape stacker as it shifts the images prior to stacking since I had no equatorial mount, and consequently was limited to 2.5sec exposures which is why I used 12600iso.
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Re: M31, M32, M110 w/ DSLR 300mm

#14

Post by metastable »

pre and post processing for comparison:
IMG-andromeda-final-under5mb.jpg
IMG-3215-2.jpg
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Re: M31, M32, M110 w/ DSLR 300mm

#15

Post by metastable »

cropped for better screen-viewing:
IMG-andromeda-cropped-2.jpg
4834471.jpeg
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Re: M31, M32, M110 w/ DSLR 300mm

#16

Post by Gordon »

Congratulations on having your image selected as todays TSS APOD!!

app.php/article/1-3-2021-tss-astrophoto ... of-the-day
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Re: M31, M32, M110 w/ DSLR 300mm

#17

Post by metastable »

thank you!
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Re: M31, M32, M110 w/ DSLR 300mm

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Post by XCalRocketMan »

Nice image, congrats.
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Re: M31, M32, M110 w/ DSLR 300mm

#19

Post by Makuser »

Hi metastable. A nice gallery of your M31, M32, and M110 images with the adjustments. Very nice contrast and delicate details in your captures. Thanks for sharing this with us metastable, and congratulations on winning the TSS APOD Award today.
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Re: M31, M32, M110 w/ DSLR 300mm

#20

Post by helicon »

Congrats on winning the award today metastable. Looks pretty good. I was afraid I wasn't going to be able to see the image, but further down in the thread - there it was. A nice capture.
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