Hemisphere:  Northern  ·  Contains:  Bode's Galaxy  ·  M 81  ·  NGC 3031
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M81 Bode's Galaxy, 



    
        

            Rich
M81 Bode's Galaxy
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M81 Bode's Galaxy

Technical card

Imaging telescopes or lenses: Orion Eon 130

Imaging cameras: QHY183M

Mounts: Orion HDX110 Mount

Guiding telescopes or lenses: Orion Eon 130

Guiding cameras: QHY5L-IIM (3)

Software: PixInsight 1.8 Ripley PI  ·  PHD2 Guiding 2.6.5  ·  Eqmod  ·  Adobe Photoshop 7 PS7  ·  SGP Pro SGP

Filters: Optolong H-Alpha 7nm 36mm Ha  ·  Optolong L 36mm L  ·  Optolong B 36mm B  ·  Optolong G 36mm G

Accessory: QHYCCD oag m  ·  Minix Z83-4 Fanless Computer  ·  Alnitak Astro Flip-Flat Flip-Flat (2)  ·  PRIMALUCE LAB SestoSenso focuser (5)  ·  QHYCFW3-M 36mm 7 pos EFW  ·  QHYCCD PoleMaster Polemaster (2)  ·  Starlight Instruments Feathertouch focuser Eon 130  ·  Hotech 2" SCA Self-Centering Field Flattener


Dates:Jan. 29, 2020

Frames: 145x160"

Integration: 6.4 hours

Avg. Moon age: 4.20 days

Avg. Moon phase: 18.66%


Basic astrometry details

Astrometry.net job: 3701949

RA center: 9h 55' 33"

DEC center: +69° 4' 15"

Pixel scale: 0.636 arcsec/pixel

Orientation: 4.435 degrees

Field radius: 0.327 degrees


Resolution: 3072x2077

Locations: back yard, Gales Ferry, CT, United States

Data source: Backyard

Description

M81, first doable night in months LHaGB at -40C, ambient at -5C
Didn't check the event for Red! Just used Ha
Rule 1: Never upgrade any software that works

Comments

Author

rmannix57
Rich
License: None (All rights reserved)
1120
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Revisions

  • M81 Bode's Galaxy, 



    
        

            Rich
    Original
  • M81 Bode's Galaxy, 



    
        

            Rich
    B
  • M81 Bode's Galaxy, 



    
        

            Rich
    C
  • Final
    M81 Bode's Galaxy, 



    
        

            Rich
    D

B

Description: lather, rinse, repeat

C

Description: rework, increased Ha

D

Description: incr Ha, rotated 90 deg for a different look.

Sky plot

Sky plot

Histogram

M81 Bode's Galaxy, 



    
        

            Rich