Hemisphere:  Northern  ·  Constellation: Cepheus (Cep)  ·  Contains:  B161  ·  B367  ·  IC 1396  ·  Sh2-131  ·  VdB142
Getting plate-solving status, please wait...
Attempt at the Trunk, 



    
        

            Scotty Bishop
Powered byPixInsight

Attempt at the Trunk

Getting plate-solving status, please wait...
Attempt at the Trunk, 



    
        

            Scotty Bishop
Powered byPixInsight

Attempt at the Trunk

Imaging Telescopes Or Lenses
Explore Scientific David Levy Comet Hunter 152mm f/4.8
Imaging Cameras
Pentax K-5
Mounts
iOptron CEM60
Software
Adobe Phosotshop CS6 · Luc Coiffier's DSS 4.1.0 64 bit · Noel Carbonni AstroFlat Pro
Guiding Telescopes Or Lenses
Astromania 50mm Guide Scope
Guiding Cameras
MGEN II

Acquisition details

Dates:
Aug. 3, 2019
Frames:
72x180" (3h 36') ISO1600
Integration:
3h 36'
Darks:
30
Flats:
10
Bias:
50
Avg. Moon age:
2.75 days
Avg. Moon phase:
8.34%
Temperature:
25.00

RA center: 21h38m42s.48

DEC center: +57°3112.3

Pixel scale: 1.339 arcsec/pixel

Orientation: -140.028 degrees

Field radius: 1.004 degrees

More info:Open 

Resolution: 4563x2887

Data source: Backyard

Description

I attempted the Elephant Trunk again. I need to figure out what is causing the weird CA on brighter stars with this mak-newt. I've sent it to ES for collimation and cleaning and a focuser change, but still...

Comments

Sky plot

Sky plot

Histogram

Attempt at the Trunk, 



    
        

            Scotty Bishop

In these public groups

Cloudy Nights
Central USA