Hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  M 101  ·  NGC 5447  ·  NGC 5449  ·  NGC 5450  ·  NGC 5451  ·  NGC 5453  ·  NGC 5455  ·  NGC 5457  ·  NGC 5461  ·  NGC 5462  ·  NGC 5471  ·  Pinwheel galaxy
Getting plate-solving status, please wait...
M101, 



    
        

            Rouzbeh
Powered byPixInsight

M101

Getting plate-solving status, please wait...
M101, 



    
        

            Rouzbeh
Powered byPixInsight

M101

Equipment

Imaging Telescopes Or Lenses
Planewave CDK 12.5
Imaging Cameras
QHYCCD 268M
Mounts
Astro-Physics AP1100 GTO CP4
Filters
Astrodon E-Series LRGB 2GEN
Accessories
Astrophysics Photographic-Visual telecompressor (0.75X 27 TVPH)
Software
NINA - Nighttime Imaging ‘N’ Astronomy · PHD2 · PixInsight 1.8.6 Ripley Pisinsight 1.8
Guiding Telescopes Or Lenses
Planewave CDK 12.5
Guiding Cameras
ZWO ASI174MM mini

Acquisition details

Dates:
June 10, 2021
Frames:
Integration:
5h 50'
Avg. Moon age:
0.05 days
Avg. Moon phase:
0.00%

RA center: 14h03m12s.309

DEC center: +54°2051.85

Pixel scale: 0.632 arcsec/pixel

Orientation: 90.149 degrees

Field radius: 0.381 degrees

WCS transformation: thin plate spline

More info:Open 

Resolution: 3563x2485

Data source: Backyard

Description

First LRGB with the CDK + AP Reducer

The Pinwheel Galaxy (M101 or NGC 5457) is a face-on spiral galaxy.

Its almost twice our milkyway galaxy, 170,000 light years across and 1 Trillion stars! 21 million light-years from Earth.

Equipment

Optics: Planewave CDK12.5, 318mm, f/6.5, 2066mm

Camera: QHY268m (mode1, gain:56, offset:40)

Reducer: AP TVPH27

Mount: AP1100 GTO CP4

Filters: Astrodon Gen2 E-Series

Guiding: OAG, ASI174, PHD2

Software: NINA, Pixinsight

Location: Vancouver, BC - Bortle 5.5

Lum: 127 x 120s = 4.2 hours

RGB: 8 x 240s each (limited by clouds)

Total Exposure: 5.8 hours

Comments

Revisions

  • M101, 



    
        

            Rouzbeh
    Original
  • M101, 



    
        

            Rouzbeh
    B
  • M101, 



    
        

            Rouzbeh
    C
  • M101, 



    
        

            Rouzbeh
    D
  • Final
    M101, 



    
        

            Rouzbeh
    E

Sky plot

Sky plot

Histogram

M101, 



    
        

            Rouzbeh