Hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  Bode's nebulae  ·  M 81  ·  M 82  ·  NGC 3031  ·  NGC 3034
M81 & M82 - Bode's & Cigar Galaxies, 



    
        

            Derryk
M81 & M82 - Bode's & Cigar Galaxies
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M81 & M82 - Bode's & Cigar Galaxies

M81 & M82 - Bode's & Cigar Galaxies, 



    
        

            Derryk
M81 & M82 - Bode's & Cigar Galaxies
Powered byPixInsight

M81 & M82 - Bode's & Cigar Galaxies

Technical card

Imaging telescopes or lenses: Astro-Tech AT10RCT

Imaging cameras: SBIG STF-8300M

Mounts: Astro-Physics 1100GTO

Guiding telescopes or lenses: Astro-Tech AT10RCT

Guiding cameras: QHY CCD QHY5III174M

Software: Sequence Generator Pro  ·  PixInsight

Filters: Astrodon Ha 5nm  ·  Astrodon B Gen2 E-Series 36mm  ·  Astrodon G Gen2 E-Series 36mm  ·  Astrodon R Gen2 E-Series 36mm  ·  Astrodon L Gen2 E-Series 36mm

Accessory: MoonLite CSL Focuser


Frames:
Astrodon B Gen2 E-Series 36mm: 148x300" (12h 20')
Astrodon G Gen2 E-Series 36mm: 155x300" (12h 55')
Astrodon Ha 5nm: 191x900" (47h 45')
Astrodon L Gen2 E-Series 36mm: 288x300" (24h)
Astrodon R Gen2 E-Series 36mm: 146x300" (12h 10')

Integration: 109h 10'


Basic astrometry details

Astrometry.net job: 3266426

RA center: 09h55m45s.1

DEC center: +69°2107

Pixel scale: 0.280 arcsec/pixel

Orientation: 269.759 degrees

Field radius: 0.506 degrees


Resolution: 12181x4575

Data source: Backyard

Description

This 2-panel mosaic contains M81 (NGC3031) Bode’s Galaxy and M82 (NGC3034) the Cigar Galaxy. They are both located in the constellation Ursa Major about 12 million light-years away. M81 is a spiral galaxy and M82 is a starburst galaxy



Taken over multiple nights from October 2017 to February 2018 from Campbell, CA, USA. Sky: 18.80 mag/arcsec^2



Total integration: 109 hours 10 mins (6550 mins)



Details, Equipment, & Software:

Telescope: Astro-Tech AT10RCT (FL2000mm f/

Camera: SBIG STF-8300m (-10°C)

Filter: Astrodon 36mm LRGB & Hα 5nm

Guide: OAG-8300 with QHY5III174

Focuser: Moonlite CSL w/ high res stepper motor

Mount: Astro-Physics AP1100GTO

Capture: Sequence Generator Pro

Frame 1:

Astrodon L: 146x300s

Astrodon R: 72x300s

Astrodon G: 81x300s

Astrodon B: 74x300s

Astrodon Hα: 96x900s

Frame 2:

Astrodon L: 142x300s

Astrodon R: 74x300s

Astrodon G: 74x300s

Astrodon B: 74x300s

Astrodon Hα: 95x900s

Stacking/Final Processing: Pixinsight

Comments

Sky plot

Sky plot

Histogram

M81 & M82 - Bode's & Cigar Galaxies, 



    
        

            Derryk