Getting plate-solving status, please wait...
Sombrero Galaxy (Deep), 



    
        

            KuriousGeorge

Sombrero Galaxy (Deep)

Getting plate-solving status, please wait...
Sombrero Galaxy (Deep), 



    
        

            KuriousGeorge

Sombrero Galaxy (Deep)

Imaging Telescopes Or Lenses
Planewave CDK24
Imaging Cameras
FLI PL16803
Mounts
Planewave L600
Filters
Astrodon 50mm L
Accessories
Planewave EFA · FLI CFW-5-7 · Astrodon Monster MOAG · Hedrick Focuser · Planewave Delta-T · None
Software
Planewave PWI3 · PixInsight 1.8 · Planewave PWI4 · Sequence Generator Pro · Photoshop CS3 · PHD Guiding 2 · CCDWare CCD Inspector · Maxim DL6
Guiding Cameras
Starlight Xpress Ultrastar

Acquisition details

Dates:
May 15, 2020 ·  May 24, 2020
Frames:
Astrodon 50mm L: 22x1800" (11h) -30°C bin 1x1
Integration:
11h
Darks:
20
Flats:
20
Flat darks:
20
Bias:
20
Avg. Moon age:
12.33 days
Avg. Moon phase:
22.16%
Mean SQM:
21.70

Basic astrometry details

Astrometry.net job: 3553680

Resolution: 4927x5527

Locations: KG Observatory, Julian, CA, United States

Data source: Backyard

Description

During this time of the year we see very dark skies due to a marine layer at lower altitude. That along with less lights during quarantine allows us to see 21.7+ SQM skies. (-:

After seeing this deep exposure of the Sombrero Galaxy, I thought I'd try the same with the Planewave CDK24...

M104 Deep by Benjamin Csizi with 500mm ChileScope

Discussion on APOD site

Now what you see here is tricky. Could some of this be due to my optics? Not sure, but the thick faint stem protruding down with the faint tail off to the right seems like a possible ancient migration?

Processing was minimized to preserve as much as possible with no deconvolution nor gradient removal. Flats were taken very carefully in a completely dark space with an Altinak Flat-Man panel.

Wondering if I should go deeper, especially if this may not be an optical artifact caused by the bright galaxy?

***UPDATE***

Captured another 11x1800 to the North to see what may be happening there.

Comments

Revisions

  • Sombrero Galaxy (Deep), 



    
        

            KuriousGeorge
    Original
  • Final
    Sombrero Galaxy (Deep), 



    
        

            KuriousGeorge
    B

B

Description: Mosaic to look for tidal stream to the North.

Uploaded: ...

Histogram

Sombrero Galaxy (Deep), 



    
        

            KuriousGeorge