Hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  M 101  ·  NGC 5457  ·  NGC 5461  ·  NGC 5473  ·  NGC 5474
M101 Pinwheel Galaxy, 


            Kristof Dierick
M101 Pinwheel Galaxy
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M101 Pinwheel Galaxy

Acquisition type: Electronically-Assisted Astronomy (EAA, e.g. based on a live video feed)

Technical card

Imaging telescopes or lenses: TS Optics Photoline 102/715 Triplet

Imaging cameras: ZWO ASI1600mm-Cool

Mounts: Sky-Watcher EQ6 GOTO Synscan

Guiding cameras: ZWO ASI178MC

Software: Astro Pixel Processor APP

Filters: Astronomik Ha 31mm 6nm  ·  Astronomik L2 Luminance 31mm  ·  Astronomik CLS 31mm  ·  Astronomik Blue 31mm  ·  Astronomik Green 31mm  ·  Astronomik Red 31mm

Frames: 212x180"

Integration: 10.6 hours

Basic astrometry details

Astrometry.net job: 3562836

RA center: 14h 4' 34"

DEC center: +54° 12' 43"

Pixel scale: 1.096 arcsec/pixel

Orientation: 120.362 degrees

Field radius: 0.840 degrees

Resolution: 4412x3307

Locations: Backyard - Aan de kerk, Mielen-boven-Aalst, Limburg, Belgium

Data source: Backyard


This is one of my last images taken with the TS 102/715 Triplet. 2 nights and in total 10,6 hrs.
Image stacked and pre-processed in APP and finetuning in PS. Luminance channel is a combined one of filters L2 and CLS.


Sky plot

Sky plot


M101 Pinwheel Galaxy, 


            Kristof Dierick