Hemisphere:  Northern  ·  Constellation: Canes Venatici (CVn)  ·  Contains:  NGC 4485  ·  NGC 4490
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NGC4490, a LRGB picture, 



    
        

            Niels V. Christensen
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NGC4490, a LRGB picture

Getting plate-solving status, please wait...
NGC4490, a LRGB picture, 



    
        

            Niels V. Christensen
Powered byPixInsight

NGC4490, a LRGB picture

Imaging Telescopes Or Lenses
Meade Lx200ACF 16" F6.2 Meade SCT 16"
Imaging Cameras
Canon 20Da Canon · ATIK Horizon beta camera · SBIG ST-8XME SBIG ST8
Mounts
Milburn Wedge Wedge mounted on a pole
Filters
IDAS LPS P2 IDAS · Astronomik Narrowband/LRGB filter set · Baader LRGB, Hubble palette filters Baader filters
Accessories
Meade on wedge · Optec lepus 0.62 Optec reducer
Software
The SkyX Pro, CCDStack2, RegiStar, PS. Diff. SW products · The Sky, CCDSoft, Atik, CCDStack2, PS Diff. products
Guiding Telescopes Or Lenses
WO FLT-110 WO · Individual ED70mm Individual
Guiding Cameras
loadstar II Lodestar Autoguider · SBIG ST-8XME SBIG ST8

Acquisition details

Dates:
March 1, 2019
Frames:
Integration:
3h 22'
Avg. Moon age:
24.92 days
Avg. Moon phase:
22.19%
Bortle Dark-Sky Scale:
6.00

RA center: 12h30m34s.58

DEC center: +41°3950.8

Pixel scale: 1.099 arcsec/pixel

Orientation: -70.871 degrees

Field radius: 0.193 degrees

WCS transformation: thin plate spline

More info:Open 

Resolution: 984x793

Locations: Home observatory, Copenhagen, DK-2270 Kastrup, Denmark

Data source: Backyard

Description

A combination of subs taken in April 2011 & March 2019.

Exposure details from 1. March 2019,

16" F6.2 SCT/Atik Horizon: L, RGB=53x60sec, 18x120sec+113x60sec

The 2011 picture version is this one,

https://astrob.in/229115/0/

My home build observatory is placed in my front yard/in the "red light" pollution zone, have a look here,

Red Zone

CS Niels

Comments

Revisions

  • NGC4490, a LRGB picture, 



    
        

            Niels V. Christensen
    Original
  • Final
    NGC4490, a LRGB picture, 



    
        

            Niels V. Christensen
    B

B

Description: Minor curves & levels adjustment performed :-)

Uploaded: ...

Sky plot

Sky plot

Histogram

NGC4490, a LRGB picture, 



    
        

            Niels V. Christensen