Hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  M 101  ·  NGC 5457  ·  NGC 5474  ·  NGC 5477
M101, 



    
        

            Manuel Frattini
M101
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M101

M101, 



    
        

            Manuel Frattini
M101
Powered byPixInsight

M101

Equipment

Imaging Telescopes Or Lenses
Perl Bellatrix 150/750
Imaging Cameras
Canon EOS 1000D modified
Mounts
Skywatcher EQ3-2 motorized 2 axes
Accessories
Telrad Finder · Baader MPCC mark III
Software
Photoshop · DSS

Acquisition details

Dates:
May 25, 2017
Frames:
120x45" (1h 30') ISO800
Integration:
1h 30'
Darks:
31
Flats:
31
Bias:
200
Avg. Moon age:
29.15 days
Avg. Moon phase:
0.17%
Bortle Dark-Sky Scale:
4.00
Temperature:
20.00

Basic astrometry details

Astrometry.net job: 1590479

RA center: 14h02m53s.5

DEC center: +54°1651

Pixel scale: 1.556 arcsec/pixel

Orientation: 330.346 degrees

Field radius: 0.787 degrees

Resolution: 3031x2014

Description

My first test on M101.

It lacks a lot of signal, but I know what to hold now !!!

Comments

Revisions

  • M101, 



    
        

            Manuel Frattini
    Original
  • M101, 



    
        

            Manuel Frattini
    B
  • M101, 



    
        

            Manuel Frattini
    C
  • Final
    M101, 



    
        

            Manuel Frattini
    D

B

Description: Another version with a clearer sky background!

Uploaded: ...

C

Description: Another with more color ...

Uploaded: ...

D

Description: A darker sky background but more details in the heart.

Uploaded: ...

Sky plot

Sky plot

Histogram

M101, 



    
        

            Manuel Frattini