Hemisphere:  Northern  ·  Constellation: Draco (Dra)  ·  Contains:  NGC 3147  ·  NGC3147
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SN 2021do in NGC 3147, 


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SN 2021do in NGC 3147

Imaging telescopes or lenses: Sky-Watcher QUATTRO-10CF 10" f/4 Newton Carbon

Imaging cameras: ZWO ASI 294MC Pro (cooled)

Mounts: Sky-Watcher EQ6-R Pro EQMOD

Guiding telescopes or lenses: Guidescope 60mm f=240mm

Guiding cameras: Datyson T7C Guidecam

Software: APP  ·  Noiseware Community Edition  ·  APT  ·  PHD2 Guiding

Accessory: GPU Optics Pal Gyulai CC

Dates:Feb. 20, 2021

Frames: 29x300" (gain: 120.00) -10C bin 1x1

Integration: 2.4 hours

Darks: ~25

Flats: ~33

Flat darks: ~33

Avg. Moon age: 8.02 days

Avg. Moon phase: 56.80%

Bortle Dark-Sky Scale: 4.00

Temperature: 3.00

Astrometry.net job: 4241478

RA center: 10h 16' 49"

DEC center: +73° 24' 44"

Pixel scale: 1.679 arcsec/pixel

Orientation: 12.746 degrees

Field radius: 0.665 degrees

Resolution: 2360x1601

Data source: Own remote observatory

Remote source: Non-commercial independent facility


Once again huntig for supernovae B-)

A good task for moonlit nights.
I was able to image three of them this weekend SN 2021biz and SN 2021bbm, but this one was the most difficult.
Discovered 2nd of Jan it faded from an already very faint magnitude of 17th to almost invisible with my scope under the given conditions.
I suspect, however, that it is the small spot near the nucleus, just SE of the even smaller knot in the arm.
It's really hard to tell, even with the DSS comparison and inverted.

I leave it to you to tell me if this was a success or not, but I certainly had some fun with it ;-)

On a side note, NGC 3147 is a really nice SAbc-type galaxy for longer focal lengths and longer exposure times. Even in my 2.5h exposure you can find a lot of details in the spiral arms.