Rosette in widefield with 135mm lens

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Kanadalainen
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Rosette in widefield with 135mm lens

#1

Post by Kanadalainen »


February 15, 2020

Time: 1900 h - 2200 h
Wind: Nil
Temp: -25*C
Locale: My farm, 50 km south of Winnipeg
Transparency: very good
Seeing: very good
Skies: Clear, Bortle 4, new moon (more or less), lots of Milky Way on hand

Camera: Canon D60 unmodded
Lens: Rokinon 135mm f2
Imaged @ f4, 45 seconds x 10 @ 1600 ISO
120 seconds x 5 @ 800 ISO
10 darks, 10 bias, 10 flats

Stacked, stretched and BG reduction in Astro Pixel Processor, tweaked in LR.

WRT focusing, I am getting a little better at this in 10x live view.


I set up on the small access road to the main yard, itself blown over with hard snowdrifts, and despite my mass, could easy walk atop those drifts.

2 litres of earl grey, a very frosted up beard, two frozen feet and three hours later I arrived home back in the city, feeling much happier. Astro is a balm for the soul.

Thanks for looking!
Rosette_PSproc_LRproc for TSS.jpg
Ian

Fracs: Stellarvue 70T f6; SW 120mm Esprit f7; "Mark Mk. II" - 60 mm Tasco f6; C80 frac f 11.4
SCT: C8 Edge f10 or f7 with reducer
Dob: 14.5" homebuilt strut dob (f4.5 ZOC mirror), Nexus II, Moonlite focuser
Mounts - Ioptron Skyguider pro, Astro Physics GTO900
Cameras and lenses - ZWO 2600 mc, 290 mm mini, Canon 60D modded with Rokinon 10mm 2.8; Rokinon 135mm f2

Skysafari 6 Pro, Astro Pixel Processor, Pixinsight - using Mac tablet and ASIair pro to run the AP rig.

"Mothers! It is there!" - Rafael Gonzales-Acuna, 2018.
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Juno16 United States of America
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Re: Rosette in widefield with 135mm lens

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Post by Juno16 »


Really nice Ian! Have you fired up the SV yet?
Jim

Scopes: Explore Scientific ED102 APO, Sharpstar 61 EDPH II APO, Samyang 135 F2 (still on the Nikon).
Mount: Skywatcher HEQ5 Pro with Rowan Belt Mod
Stuff: ASI EAF Focus Motor (x2), ZWO OAG, ZWO 30 mm Guide Scope, ASI 220mm min, ASI 120mm mini, Stellarview 0.8 FR/FF, Sharpstar 0.8 FR/FF, Mele Overloock 3C.
Camera/Filters/Software: ASI 533 mc pro, ASI 120mm mini, ASI 220mm mini , IDAS LPS D-1, Optolong L-Enhance, ZWO UV/IR Cut, N.I.N.A., Green Swamp Server, PHD2, Adobe Photoshop CC, Pixinsight.
Dog and best bud: Jack
Sky: Bortle 6-7
My Astrobin: https://www.astrobin.com/users/Juno16/
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Kanadalainen
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Re: Rosette in widefield with 135mm lens

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Post by Kanadalainen »


Juno16 wrote: Sun Feb 16, 2020 10:10 pm Really nice Ian! Have you fired up the SV yet?

Hi Jim - Thanks!!! No, no first light on the SV yet. Its been super cold (-25* to -35*C) so I don't want to subject it to that kind of brutality until I can shake it down under more normal conditions.

The SV is my precious after all. :lol:

It will happen when the weather improves.

Ian
Ian

Fracs: Stellarvue 70T f6; SW 120mm Esprit f7; "Mark Mk. II" - 60 mm Tasco f6; C80 frac f 11.4
SCT: C8 Edge f10 or f7 with reducer
Dob: 14.5" homebuilt strut dob (f4.5 ZOC mirror), Nexus II, Moonlite focuser
Mounts - Ioptron Skyguider pro, Astro Physics GTO900
Cameras and lenses - ZWO 2600 mc, 290 mm mini, Canon 60D modded with Rokinon 10mm 2.8; Rokinon 135mm f2

Skysafari 6 Pro, Astro Pixel Processor, Pixinsight - using Mac tablet and ASIair pro to run the AP rig.

"Mothers! It is there!" - Rafael Gonzales-Acuna, 2018.
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Kanadalainen
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Re: Rosette in widefield with 135mm lens

#4

Post by Kanadalainen »


Astrobin is down, so I plate-solved this on astronomy.net... here is the image.

This also contains the Christmas tree nebula, and Hubble's variable nebula, albeit tiny in scale.
3932727.jpg
Ian

Fracs: Stellarvue 70T f6; SW 120mm Esprit f7; "Mark Mk. II" - 60 mm Tasco f6; C80 frac f 11.4
SCT: C8 Edge f10 or f7 with reducer
Dob: 14.5" homebuilt strut dob (f4.5 ZOC mirror), Nexus II, Moonlite focuser
Mounts - Ioptron Skyguider pro, Astro Physics GTO900
Cameras and lenses - ZWO 2600 mc, 290 mm mini, Canon 60D modded with Rokinon 10mm 2.8; Rokinon 135mm f2

Skysafari 6 Pro, Astro Pixel Processor, Pixinsight - using Mac tablet and ASIair pro to run the AP rig.

"Mothers! It is there!" - Rafael Gonzales-Acuna, 2018.
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10538 United States of America
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Re: Rosette in widefield with 135mm lens

#5

Post by 10538 »


Nice image Ian! And I thought it was cold here! :twitch: Thanks for sharing!
Ed :Astronomer1:
Scopes: Orion 14 inch f/4.6 Dobsonian w/MoonLite focuser. Meade LX200 Classic 10”w/AudioStar and MoonLite focuser, Criterion RV6, Orion ST80A w/2” GSO micro focuser.
Eyepieces: ES 5.5mm 100*, 6.7mm 82*, 11mm 82*, 14mm 100*, 18mm 82*, 20mm 100*, Meade 9mm XWA 100*, 24mm UWA 82*, 56mm 50*, TV Delos 6,8 & 10mm, Panoptic 24, 27 & 35mm, 17mm Nagler, Powermate 2X, Baader 6mm Ortho, Paracorr II.
MISC: William Optics Binoviewer, Revolution 2 Imager, Orion Skyview Pro Mount, Skymaster 15x70, 20x70, 25x100 Binos, HoTech Collimator, Kendrick Dew System,Catsperch Chair.
Messier 110 Complete/ Messier 110 Sketches Complete / Herschel 400 Complete / H-2 and H-3 Complete
Bortle 3 Skies in Down Eastern NC
“Starlight, I hear you calling out to me so far away” Jeff Lynne ELO.
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