Hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  NGC 3945  ·  NGC 3975  ·  NGC 3978  ·  PGC 139715  ·  PGC 139718  ·  PGC 139719  ·  PGC 2599394  ·  PGC 2599470  ·  PGC 2599979  ·  PGC 2601738  ·  PGC 2601819  ·  PGC 2602994  ·  PGC 2603657  ·  PGC 2604025  ·  PGC 2604065  ·  PGC 2604888  ·  PGC 2605203  ·  PGC 2605498  ·  PGC 2606250  ·  PGC 2606500  ·  PGC 2606755  ·  PGC 2607173  ·  PGC 2607437  ·  PGC 2607640  ·  PGC 2607728  ·  PGC 2608163  ·  PGC 2608506  ·  PGC 2608518  ·  PGC 37187  ·  PGC 37526  ·  And 2 more.
Getting plate-solving status, please wait...
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
Filters
Astrodon LRGB Tru-Balance E-Series Gen 2 2inch
Accessories
TS N-AGK3 coma corrector
Software
Diffraction Limited MaximDL 6 Pro · PixInsight · DC-3 Dreams PinPoint Astrometric Engine · FocusMax V4 · DC-3 Dreams ACP Observatory Control Software · http://www.projectpluto.com/ Guide 9.0
Guiding Telescopes Or Lenses
Home made 400mm F/4 Newtonian
Guiding Cameras
Lodestar

Acquisition details

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