Hemisphere:  Northern  ·  Constellation: Canes Venatici (CVn)  ·  Contains:  M 63  ·  NGC 5055  ·  Sunflower Galaxy
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A Deep Look into M63 and its tidal stream, 


            Julian Shroff
A Deep Look into M63 and its tidal stream
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A Deep Look into M63 and its tidal stream

Technical card

Imaging telescopes or lenses: celestron RASA 8"

Imaging cameras: QHYCCD 183M

Mounts: Skywatcher Eq6

Guiding telescopes or lenses: Orion Guidescope 50 mm

Guiding cameras: ZWO ASI 120 M

Software: Adobe Photoshop 2020  ·  AstroPixelProcessor  ·  Pleiades Astrophoto PixInsight 1.8.8-6 Ripley

Filters: TS-Optics Luminance  ·  TS-Optics Blue  ·  TS Optics Green  ·  TS Optics Red

Dates:Feb. 13, 2021Feb. 18, 2021Feb. 20, 2021Feb. 22, 2021March 1, 2021

TS-Optics Blue: 225x90" (gain: 0.00) -15C bin 1x1
TS Optics Green: 250x90" (gain: 0.00) -15C bin 1x1
TS-Optics Luminance: 260x90" (gain: 0.00) -15C bin 1x1
TS Optics Red: 400x60" (gain: 11.00) -15C bin 1x1

Integration: 25.0 hours

Darks: ~40

Flats: ~40

Bias: ~40

Avg. Moon age: 8.59 days

Avg. Moon phase: 53.37%

Bortle Dark-Sky Scale: 4.00

Basic astrometry details

Astrometry.net job: 4269614

RA center: 13h 15' 50"

DEC center: +42° 1' 51"

Pixel scale: 1.241 arcsec/pixel

Orientation: 0.515 degrees

Field radius: 0.766 degrees

Resolution: 3708x2451

Data source: Traveller


Here's my final version of M63 and its tidal stream. The fact that this galaxy does in fact have a tidal stream is well known, but the extent of it varies from image to image.

After seeing some very deep images of this region, I decided that this should be the first project for my new RASA. After all this is what these telescopes were made for - getting incredibly deep views.

Processing this image really was a challenge, I had to learn a whole bunch of new techniques to deal with the faintness (is that a word?) of the stream. But in the end something I like came out and I am very happy with it. Feel free to zoom in, 400mm focal length is more than enough for some nice galaxy details!


Sky plot

Sky plot


A Deep Look into M63 and its tidal stream, 


            Julian Shroff