M81 LRGB

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chartram United States of America
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M81 LRGB

#1

Post by chartram »


Hello,

This is a repro of M81 from January 28/29th of this year, applying a couple of lessons learned.

Luminance: 40x300s
RGB: 25x180s (2x2)

Scope: Orion ED80 (F/7.5)
Camera: ZWO ASI1600MM Pro @-20, Gain 75
Filters: Baader 1.25" LRGB
Resolution: 1.31"
Mount: Skywatcher NEQ6 Pro
Processing: PixInsight

Image

right-click image to open in a new tab.

Thanks for looking!

Mike
Mike Chartrand
Scopes: WO Star 71 Gen-II (F/4.9), Astro-Tech AT115EDT (F/7), Celestron 8" Edge HD (F/10)
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Re: M81 LRGB

#2

Post by helicon »


Great shot Mike!
-Michael
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Re: M81 LRGB

#3

Post by Gordon »


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

app.php/article/3-29-2021-tss-astrophot ... of-the-day
Gordon
Scopes: Explore Scientific ED80CF, Skywatcher 200 Quattro Imaging Newt, SeeStar S50 for EAA.
Mounts: Orion Atlas EQ-g mount & Skywatcher EQ5 Pro.
ZWO mini guider.
Image cameras: ZWO ASI1600 MM Cool, ZWO ASI533mc-Pro, ZWO ASI174mm-C (for use with my Quark chromosphere), ZWO ASI120MC
Filters: LRGB, Ha 7nm, O-III 7nm, S-II 7nm
Eyepieces: a few.
Primary software: Cartes du Ciel, N.I.N.A, StarTools V1.4.

Image
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Re: M81 LRGB

#4

Post by helicon »


Congrats on the APOD win Mike!
-Michael
Refractors: ES AR152 f/6.5 Achromat on Twilight II, Celestron 102mm XLT f/9.8 on Celestron Heavy Duty Alt Az mount, KOWA 90mm spotting scope
Binoculars: Celestron SkyMaster 15x70, Bushnell 10x50
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Re: M81 LRGB

#5

Post by messier 111 »


very nice , thx
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Re: M81 LRGB

#6

Post by AstroBee »


Congrats on the TSS APOD. Even more amazed you managed that much detail from an 80mm scope. That had to be some serious cropping!
Greg M.~ "Ad Astra per Aspera"
Scopes: Celestron EdgeHD14", Explore Scientific ED152CF & ED127 APO's, StellarVue SV70T, Classic Orange-Tube C-8, Lunt 80mm Ha double-stack solar scope.
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Re: M81 LRGB

#7

Post by Makuser »


Hi Mike. A beautiful reprocessed M81 (Bode's Galaxy) image in LRGB light. Excellent contrast, central core and great spiral arms. Thanks for sharing this capture with us on here Mike, and congratulations on winning the TSS APOD Award today.
Marshall
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Re: M81 LRGB

#8

Post by Juno16 »


Great M81 Mike! Congratulations on the apod!
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.
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Re: M81 LRGB

#9

Post by TheButcher »


Excellent image Chartram and Congrats on the APOD!
Telescopes:Apertura AD12 Dob : iOptron CEM70 without TripodBarlows:GSO 2x Shorty Focuser: Rigel nStep

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Re: M81 LRGB

#10

Post by prowler75 »


Wonderful image Mike! Congrats on the APOD!
Craig
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Re: M81 LRGB

#11

Post by STEVE333 »


Nice one Mike and congratulations on the APOD.

Steve
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Re: M81 LRGB

#12

Post by MariusD69 »


Very impressive! Great work, Mike! Congrats for APOD!
Marius
Mount: iOpton Cem60, HEQ5-for spare
Scopes: newt SW 150/750PDS, dobson SW 150/1200; SW 114/500; TS Photoline 80mm f/6 Triplet APO; SW ST80
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Re: M81 LRGB

#13

Post by Ruud »


It's very beautiful, Mike. Thanks for sharing and kudos for winning the apod.
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Re: M81 LRGB

#14

Post by chartram »


Thank you all for the kind words, and thank you Gordon and team for this honor!
AstroBee wrote: Mon Mar 29, 2021 7:22 pm Congrats on the TSS APOD. Even more amazed you managed that much detail from an 80mm scope. That had to be some serious cropping!
Thank you. Definitely quite a crop. The original FOV had M81, M82 and NGC3077 in a neat little triangle, along with some fainter fuzzies. The time on target may have played a role in what detail is shown... Maybe we are our own worst critics- all I see at this zoom level are the ‘almosts’ LOL. Take good care and clear skies!

Mike
Mike Chartrand
Scopes: WO Star 71 Gen-II (F/4.9), Astro-Tech AT115EDT (F/7), Celestron 8" Edge HD (F/10)
Cameras: ZWO ASI1600MM w/ Baader 1.25" LRGB & Narrowband Filters, ZWO ASI174MM mini, Starlight Xpress Lodestar X2
Mount: Skywatcher NEQ6 Pro
Guiding: Orion ST-80 (f/5) w/ADM MiniMax (side-by-side), ZWO OAG
Software: PHD2, Sequence Generator Pro, PixInsight
Dark Site Transportation System: 2020 Telluride SX
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Re: M81 LRGB

#15

Post by jon.s »


Beautiful image and congrats on the APOD! I'm still working on mine. Not easy with the short focal length I have ...
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