Hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  21 CVn  ·  24 CVn  ·  78 UMa  ·  79 zet UMa  ·  80 g UMa  ·  81 UMa  ·  82 UMa  ·  83 UMa  ·  84 UMa  ·  85 eta UMa  ·  86 UMa  ·  Alcor  ·  Alkaid  ·  Benetnasch (ηUMa)  ·  IC4263  ·  IC4278  ·  IC852  ·  IC853  ·  IC875  ·  IC902  ·  IC922  ·  IC928  ·  IC931  ·  IC942  ·  IC951  ·  IC995  ·  M 101  ·  M101  ·  M51  ·  Mitsar  ·  And 85 more.
Getting plate-solving status, please wait...
M101 & M51 at 50mm, 



    
        

            deufrai
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M101 & M51 at 50mm

Getting plate-solving status, please wait...
M101 & M51 at 50mm, 



    
        

            deufrai
Powered byPixInsight

M101 & M51 at 50mm

Technical card

Imaging telescopes or lenses: Tamron 17-50 1:2.8

Imaging cameras: Canon EOS 70D

Mounts: Manfrotto 055XPROB tripod  ·  Manfrotto MH054M0-Q2 head

Software: PIXINSIGHT 1.8


Dates:April 7, 2015

Frames: 72x2" (2' 24") ISO1600

Integration: 2' 24"

Darks: ~25

Bias: ~64

Avg. Moon age: 17.54 days

Avg. Moon phase: 91.55%

Temperature: 6.00


Astrometry.net job: 596029

RA center: 13h 32' 3"

DEC center: +53° 6' 2"

Pixel scale: 17.460 arcsec/pixel

Orientation: -76.152 degrees

Field radius: 10.333 degrees


Resolution: 3540x2380

Description

Pushing the limits on what can be done with a simple DSLR & retail lens on a tripod.

Managed to get bits of M51 & faint features of M101 at 50mm focal length

Comments

Sky plot

Sky plot

Histogram

M101 & M51 at 50mm, 



    
        

            deufrai