Hemisphere:  Northern  ·  Contains:  M 101  ·  NGC 5457  ·  NGC 5461  ·  NGC 5474  ·  NGC 5477
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M101, NGC 5174 and PGC4545422, 



    
        

            Alf Jacob Nilsen
M101, NGC 5174 and PGC4545422
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Technical card

Imaging telescopes or lenses: Nikon Nikkor TC14 II  ·  Nikon Nikkor 600mm f/4 Ai

Imaging cameras: ZWO ASI294MC PRO

Mounts: iOptron CEM60-EC

Guiding telescopes or lenses: ZWO 30mm f/4 Mini Guide Scope

Guiding cameras: ZWO ASI120Mini

Software: Astro Pixel Processor APP  ·  Adobe Photoshop CC  ·  PixInsight Core Version 1.8 Ripley

Filters: IDAS LPS D1 IDAS light pollution filter


Dates:April 24, 2020

Frames: 85x300"

Integration: 7.1 hours

Avg. Moon age: 1.26 days

Avg. Moon phase: 1.79%


Basic astrometry details

Astrometry.net job: 3464413

RA center: 14h 3' 15"

DEC center: +54° 7' 4"

Pixel scale: 3.168 arcsec/pixel

Orientation: 94.247 degrees

Field radius: 0.794 degrees


Resolution: 1500x1003

Locations: Osmundstø Observatorium (private backyard observatory), Hidrasund, Vest Agder, Norway

Data source: Backyard

Description

First attempt with Nikon 600mm + TC14 (giving a FL of 840mm) and ASI294 color. Manual focus is challenging and takes time to nail, but the quality of this lens is superb. I am happy with this first shot that also include NGC 5474 irregular dwarf galaxy with PGC 4545422 galaxy overlying it.

Comments

Author

ajnilsen
Alf Jacob Nilsen
License: None (All rights reserved)
1060
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M101, NGC 5174 and PGC4545422, 



    
        

            Alf Jacob Nilsen