15 min with M31

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Kanadalainen
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15 min with M31

#1

Post by Kanadalainen »

June 26, 2020

Very early in the morning (~0230h) I was finishing up with M20, and so decided to capture M31... dawn was approaching and the sky was turning a very deep blue in the northeast, but I managed to get 15 min with M31.

This is such an iconic DSO - so often imaged. One more for the pile.

I will study up on how to improve my skills for imaging this one properly, so as not to overexpose the central portion of the galaxy. Another challenge but I think it shall be worth it.

Mount: Unguided with my HEQ5 balanced east-heavy!! I found this to be great for rounding up my stars.
Camera: 60D
Scope: 70 mm SV with a 0.8 reducer/flattener for f4.9

Frames:Optolong CLS - CCD clip in: 10x90" ISO800
Integration: 0.2 hours
Darks: ~20
Flats: ~20
Bias: ~20


Avg. Moon age: 5.41 days
Avg. Moon phase: 29.58%
Bortle Dark-Sky Scale: 3.00
Temperature: 22.00

RA center: 0h 42' 42"
DEC center: +41° 30' 18"
Pixel scale: 1.950 arcsec/pixel
Orientation: 62.873 degrees
Field radius: 1.573 degrees

Thanks for looking.

Image
Ian

Scopes

Stellarvue 70T f6 - triplet :sprefac:
"Mark Mk. I" -60 mm Tasco guider
C80 frac with 2" focuser, f11.4 - long doublet
"Frosty m. II" - the 14.5" strut dob f4.5 with a ZOC optic - modified a little with Nexus II iOS friendly link + Moonlite focuser
"Frosty" the XT10 - sold

Mounts - Ioptron skyguider pro, Skywatcher HEQ5 pro

DSLR stuff - Nikon D90, Canon 60D; Rokinon 10mm 2.8, Rokinon 135mm f2, Sigma 70-300mm f4

Software - Photoshop and Lightroom 2020, GIMP, Skysafari 6 Pro, Astro Pixel Processor - using Macs and PCs

"Mothers! It is there!" - Rafael Gonzales-Acuna, 2018.
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Graeme1858
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Re: 15 min with M31

#2

Post by Graeme1858 »

Nicely done Ian.

Regards

Graeme
__________________________________________________
Celestron 9.25 f10 SCT, CGX mount.
Canon 600D, IDAS LPS-D1 Filter, Altair GPCAM2 290C. Coming soon: ZWO ASI294MC Pro.
Celestron 80mm Guidescope, QHY5-II Mono.
Miranda 10x50 Binoculars.
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Juno16
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Re: 15 min with M31

#3

Post by Juno16 »

Thank you for sharing Ian!

Really nice for such a short integration!

I really like it! This is a beautiful dso’s and your SV fov is perfect! Even better with the FR.

Stars look great too! Nice!
Jim

Scopes: Explore Scientific ED102 Triplet APO, Celestron Nexstar 130 SLT.
Mounts: Celestron AVX with Orion MM Autoguider, SLT;
Binoculars: Bushnell 10X50
Stuff: ASI EAF Focus Motor, Stellarview FF/FR
Camera / Software: Nikon D5300 (Ha mod), IDAS LPS D-1 Filter, Astrophotography Tool, PHD2, SharpCap v3.2, StarTools 1.6 alpha, Adobe Photoshop 21.1.3
Dog: Jack
Sky: Bortle 7
Astro Photos https://flickr.com/photos/157183480@N07 ... 7681236785
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Kanadalainen
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Re: 15 min with M31

#4

Post by Kanadalainen »

Graeme1858 wrote:
Tue Jun 30, 2020 10:01 pm
Nicely done Ian.

Regards

Graeme
Thanks Graeme,

Much appreciated!
Ian

Scopes

Stellarvue 70T f6 - triplet :sprefac:
"Mark Mk. I" -60 mm Tasco guider
C80 frac with 2" focuser, f11.4 - long doublet
"Frosty m. II" - the 14.5" strut dob f4.5 with a ZOC optic - modified a little with Nexus II iOS friendly link + Moonlite focuser
"Frosty" the XT10 - sold

Mounts - Ioptron skyguider pro, Skywatcher HEQ5 pro

DSLR stuff - Nikon D90, Canon 60D; Rokinon 10mm 2.8, Rokinon 135mm f2, Sigma 70-300mm f4

Software - Photoshop and Lightroom 2020, GIMP, Skysafari 6 Pro, Astro Pixel Processor - using Macs and PCs

"Mothers! It is there!" - Rafael Gonzales-Acuna, 2018.
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Kanadalainen
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Re: 15 min with M31

#5

Post by Kanadalainen »

Juno16 wrote:
Tue Jun 30, 2020 10:59 pm
Thank you for sharing Ian!

Really nice for such a short integration!

I really like it! This is a beautiful dso’s and your SV fov is perfect! Even better with the FR.

Stars look great too! Nice!

Thanks Jim! This is a relatively huge DSO and yes it doesn't need much cropping, ha ha. I would really like to gather much more time on this one... to bring out colours and detail. Hopefully soon, right after I get M8 and M20 in the same frame. :x
Ian

Scopes

Stellarvue 70T f6 - triplet :sprefac:
"Mark Mk. I" -60 mm Tasco guider
C80 frac with 2" focuser, f11.4 - long doublet
"Frosty m. II" - the 14.5" strut dob f4.5 with a ZOC optic - modified a little with Nexus II iOS friendly link + Moonlite focuser
"Frosty" the XT10 - sold

Mounts - Ioptron skyguider pro, Skywatcher HEQ5 pro

DSLR stuff - Nikon D90, Canon 60D; Rokinon 10mm 2.8, Rokinon 135mm f2, Sigma 70-300mm f4

Software - Photoshop and Lightroom 2020, GIMP, Skysafari 6 Pro, Astro Pixel Processor - using Macs and PCs

"Mothers! It is there!" - Rafael Gonzales-Acuna, 2018.
Valen
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Re: 15 min with M31

#6

Post by Valen »

Pretty sweet.
Scope:Celestron: C8 Owned since 1976, Celestron EdgeHD 14 Mount: CGEM DX, CGX-L, Ioptron CEM120EC
EP: Tele Vue 8mm Delos, Tele Vue Ethos 21mm Tele Vue 2x Barlow, Tele-Vue 2x power mate, Tele-Vue Apollo 11 Commemorative, Celestron K12,25,40.
Camera:Canon EOS 600d Home Dome 10'
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MariusD69
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Re: 15 min with M31

#7

Post by MariusD69 »

Very nice image! Well done!
Marius
Mount: HEQ5- EQMOD
Scopes: newt SW 150/750PDS, dobson SW 150/1200; SW 114/500; TS Photoline 80mm f/6 Triplet APO; SW ST80
Cameras: ASI294MC Pro; Atik 314L+mono; Canon 1100D; QHY5III-178m; QHY5L-II-m ; ASI224; Altair GPCAM 290M, GPCAM290C
Accessories: Baader MPCC; GPU KomakorrF4; TS Flat2; TS 0.79x FR/FF
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Thefatkitty
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Re: 15 min with M31

#8

Post by Thefatkitty »

Very nice Ian, subtle but great detail! That ST70 is quite the W/F scope!

All the best,
Image
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Kanadalainen
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Re: 15 min with M31

#9

Post by Kanadalainen »

Thefatkitty wrote:
Wed Jul 01, 2020 8:23 am
Very nice Ian, subtle but great detail! That ST70 is quite the W/F scope!

All the best,
Salut Mark, thanks for your kind words! I really like this little scope and recommend it or its slightly bigger brother (the newer 80mm version). I am now collecting the gear I need to use the 60mm Celestron (enter *the* Mark Mk I to the sound of subtle harps strumming), which includes a mini ASI290 camera. :)
Ian

Scopes

Stellarvue 70T f6 - triplet :sprefac:
"Mark Mk. I" -60 mm Tasco guider
C80 frac with 2" focuser, f11.4 - long doublet
"Frosty m. II" - the 14.5" strut dob f4.5 with a ZOC optic - modified a little with Nexus II iOS friendly link + Moonlite focuser
"Frosty" the XT10 - sold

Mounts - Ioptron skyguider pro, Skywatcher HEQ5 pro

DSLR stuff - Nikon D90, Canon 60D; Rokinon 10mm 2.8, Rokinon 135mm f2, Sigma 70-300mm f4

Software - Photoshop and Lightroom 2020, GIMP, Skysafari 6 Pro, Astro Pixel Processor - using Macs and PCs

"Mothers! It is there!" - Rafael Gonzales-Acuna, 2018.
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Kanadalainen
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Re: 15 min with M31

#10

Post by Kanadalainen »

Valen wrote:
Wed Jul 01, 2020 4:43 am
Pretty sweet.
Thanks Valen!
Ian

Scopes

Stellarvue 70T f6 - triplet :sprefac:
"Mark Mk. I" -60 mm Tasco guider
C80 frac with 2" focuser, f11.4 - long doublet
"Frosty m. II" - the 14.5" strut dob f4.5 with a ZOC optic - modified a little with Nexus II iOS friendly link + Moonlite focuser
"Frosty" the XT10 - sold

Mounts - Ioptron skyguider pro, Skywatcher HEQ5 pro

DSLR stuff - Nikon D90, Canon 60D; Rokinon 10mm 2.8, Rokinon 135mm f2, Sigma 70-300mm f4

Software - Photoshop and Lightroom 2020, GIMP, Skysafari 6 Pro, Astro Pixel Processor - using Macs and PCs

"Mothers! It is there!" - Rafael Gonzales-Acuna, 2018.
User avatar
Kanadalainen
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Re: 15 min with M31

#11

Post by Kanadalainen »

MariusD69 wrote:
Wed Jul 01, 2020 5:26 am
Very nice image! Well done!
Thanks Marius!
Ian

Scopes

Stellarvue 70T f6 - triplet :sprefac:
"Mark Mk. I" -60 mm Tasco guider
C80 frac with 2" focuser, f11.4 - long doublet
"Frosty m. II" - the 14.5" strut dob f4.5 with a ZOC optic - modified a little with Nexus II iOS friendly link + Moonlite focuser
"Frosty" the XT10 - sold

Mounts - Ioptron skyguider pro, Skywatcher HEQ5 pro

DSLR stuff - Nikon D90, Canon 60D; Rokinon 10mm 2.8, Rokinon 135mm f2, Sigma 70-300mm f4

Software - Photoshop and Lightroom 2020, GIMP, Skysafari 6 Pro, Astro Pixel Processor - using Macs and PCs

"Mothers! It is there!" - Rafael Gonzales-Acuna, 2018.
User avatar
Kanadalainen
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Re: 15 min with M31

#12

Post by Kanadalainen »

Here is another version with some additional processing to crank up the exposure and saturation, with some red removed. Also I tried to rotate the canvas 180*... a friend of mine gave me this advice to try to alter the way one might see the dust lanes. :)

Again, thanks for looking.

Image
Ian

Scopes

Stellarvue 70T f6 - triplet :sprefac:
"Mark Mk. I" -60 mm Tasco guider
C80 frac with 2" focuser, f11.4 - long doublet
"Frosty m. II" - the 14.5" strut dob f4.5 with a ZOC optic - modified a little with Nexus II iOS friendly link + Moonlite focuser
"Frosty" the XT10 - sold

Mounts - Ioptron skyguider pro, Skywatcher HEQ5 pro

DSLR stuff - Nikon D90, Canon 60D; Rokinon 10mm 2.8, Rokinon 135mm f2, Sigma 70-300mm f4

Software - Photoshop and Lightroom 2020, GIMP, Skysafari 6 Pro, Astro Pixel Processor - using Macs and PCs

"Mothers! It is there!" - Rafael Gonzales-Acuna, 2018.
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