Hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  NGC 3945  ·  NGC 3975  ·  NGC 3978  ·  PGC139715  ·  PGC139718  ·  PGC139719  ·  PGC2599394  ·  PGC2599470  ·  PGC2599979  ·  PGC2601738  ·  PGC2601819  ·  PGC2602994  ·  PGC2603657  ·  PGC2604025  ·  PGC2604065  ·  PGC2604888  ·  PGC2605203  ·  PGC2605498  ·  PGC2606250  ·  PGC2606500  ·  PGC2606755  ·  PGC2607173  ·  PGC2607437  ·  PGC2607640  ·  PGC2607728  ·  PGC2608163  ·  PGC2608506  ·  PGC2608518  ·  PGC37187  ·  PGC37526  ·  And 2 more.
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NGC3945, 



    
        

            Albert van Duin
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NGC3945

Acquisition type: Electronically-Assisted Astronomy (EAA, e.g. based on a live video feed)
Getting plate-solving status, please wait...
NGC3945, 



    
        

            Albert van Duin
Powered byPixInsight

NGC3945

Acquisition type: Electronically-Assisted Astronomy (EAA, e.g. based on a live video feed)

Imaging telescopes or lenses: Home made 400mm F/4 Newtonian

Imaging cameras: Moravian G3 16200

Guiding telescopes or lenses: Home made 400mm F/4 Newtonian

Guiding cameras: Lodestar

Focal reducers: TS N-AGK3 coma corrector

Software: PixInsight  ·  DC-3 Dreams PinPoint Astrometric Engine  ·  FocusMax V4  ·  DC-3 Dreams ACP Observatory Control Software  ·  Diffraction Limited MaximDL 6 Pro  ·  http://www.projectpluto.com/ Guide 9.0

Filters: Astrodon LRGB Tru-Balance E-Series Gen 2 2inch


Dates:March 23, 2020

Frames: 45x600" (7h 30')

Integration: 7h 30'

Avg. Moon age: 28.73 days

Avg. Moon phase: 0.72%


RA center: 11h54m39s.583

DEC center: +60°3318.21

Pixel scale: 0.679 arcsec/pixel

Orientation: 0.595 degrees

Field radius: 0.542 degrees

More info:Open 


Resolution: 4468x3624

Locations: Beilen Observatory B85, Beilen, Drenthe, Netherlands

Data source: Backyard

Description

20 x 600s L, 7 x 600s G and B, 3x 600s R

This night was not as good as the previous ones. Less wind, but the transparency was worse .

This galaxy looks a bit like Saturn! And its neighbor NGC 3978 is small but also very interesting.

Comments

Revisions

  • NGC3945, 



    
        

            Albert van Duin
    Original
  • NGC3945, 



    
        

            Albert van Duin
    B
  • Final
    NGC3945, 



    
        

            Albert van Duin
    C

B

Description: Added 4x 600s L and 4 x 600s R

Uploaded: ...

C

Description: Better background by using new flats

Uploaded: ...

Sky plot

Sky plot

Histogram

NGC3945, 



    
        

            Albert van Duin